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Frontiers in Green Perovskite Light-Emitting Diodes

LASER & PHOTONICS REVIEWS (2023)

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Article Chemistry, Applied

Luminescent ionic lattice occupation and wide tunable emission spectra of La2MgZrO6:Bi3+,Eu3+double perovskite phosphors for white light LED

Chen Yang et al.

Summary: LMZ:Bi3+ and LMZ:Bi3+,Eu3+ double-perovskite phosphors were prepared through high-temperature solid-phase method, and the emission spectra were analyzed. It was found that the emission color can be tuned from green to blue by different excitation wavelengths, and red emission can be obtained by co-doping Bi3+/Eu3+ with adjustable emission color. These results are attractive for future applications of double-perovskite phosphors.

JOURNAL OF RARE EARTHS (2023)

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Article Chemistry, Physical

Molecular Bridging Strategy Enables High Performance and Stable Quasi-2D Perovskite Light-Emitting Devices

Xinyu Bao et al.

Summary: The introduction of 4'- (aminomethyl)-biphenyl-3-carboxylic acid (4-ABCA) improved the phase distribution in the PEA2(FAPbBr3)2PbBr4 film and enhanced the energy transfer efficiency of carriers, leading to an external quantum efficiency (EQE) of 23.15% and a maximal brightness of 133,560 cd/m2 in the green perovskite light-emitting diodes (PeLEDs).

ACS ENERGY LETTERS (2023)

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Article Chemistry, Physical

Super-Bright Green Perovskite Light-Emitting Diodes Using Ionic Liquid Additives

Priyabrata Sadhukhan et al.

Summary: Halide perovskites have potential for use in next-generation low-cost, high-efficiency, and highly color-pure light-emitting diodes (LED), but they still lag behind other technologies in terms of performance. This study demonstrates the use of an ionic liquid as a potential additive to improve the performance of perovskite LEDs by controlling their morphology and preventing defects and ion migration.

SMALL METHODS (2023)

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Article Nanoscience & Nanotechnology

Improving Perovskite Green Quantum Dot Light-Emitting Diode Performance by Hole Interface Buffer Layers

Qiangqiang Wang et al.

Summary: Perovskite quantum dot light-emitting diodes (QLEDs) have potential for next-generation displays. The electron-accepting property of poly-[bis-(4-phenyl) (2,4,6-trimethylphenyl) amine] (PTAA) leads to the charging of quantum dot (QD) films, resulting in imbalance of charge injection and increased nonradiative recombination, affecting the QLEDs performance. This study compared two polymers, poly-(methyl methacrylate) (PMMA) and poly-(vinylpyrrolidone) (PVP), as hole interface buffer layers for QD films. The devices with PMMA achieved a maximum external quantum efficiency of 20.71%.

ACS APPLIED MATERIALS & INTERFACES (2023)

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Article Chemistry, Multidisciplinary

Perovskite Light-Emitting Diodes with an External Quantum Efficiency Exceeding 30%

Wenhao Bai et al.

Summary: Ultra-high-efficiency green perovskite light-emitting diodes (PeLEDs) are achieved by regulating charge carrier transport and near-field light distribution to reduce electron leakage and enhance light outcoupling efficiency, resulting in quantum efficiencies surpassing 30%. This is accomplished by using Ni0.9Mg0.1Ox films with high refractive index and increased hole carrier mobility as the hole injection layer, and inserting a polyethylene glycol layer between the hole transport layer and the perovskite emissive layer to block electron leakage and reduce photon loss. This study provides an interesting idea for constructing super high-efficiency PeLEDs by balancing electron-hole recombination and enhancing light outcoupling.

ADVANCED MATERIALS (2023)

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Article Chemistry, Multidisciplinary

Homogeneous Phase Distribution in Q-2D Perovskites via Co-Assembly of Spacer Cations for Efficient Light-Emitting Diodes

Zhenyu Guo et al.

Summary: The crystallization kinetics of Q-2D perovskites are investigated, and it is found that the arrangement of spacer cations determines the multiphase distribution. A co-assembly strategy is proposed to achieve homogeneous emitting phase, resulting in high-performance green Q-2D perovskite LEDs with a champion external quantum efficiency of 23.9%.

ADVANCED MATERIALS (2023)

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Article Chemistry, Multidisciplinary

Separating Crystal Growth from Nucleation Enables the In Situ Controllable Synthesis of Nanocrystals for Efficient Perovskite Light-Emitting Diodes

Wenjin Yu et al.

Summary: A new synthetic approach is developed to improve the LED performance of perovskite nanocrystals. By introducing a bifunctional carboxylic-acid-containing ammonium hydrobromide ligand, the crystallization process of perovskite nanocrystals can be controlled, leading to improved photoluminescence quantum yield. Green LEDs fabricated using this method even outperform traditional perovskite nanocrystal-based LED devices.

ADVANCED MATERIALS (2023)

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Article Chemistry, Physical

Interfacial modification for the fabrication of Silicon-based green perovskite Light-Emitting diodes

Zhiqiang Ma et al.

Summary: In this study, CsPbBr3 perovskite light-emitting diodes (PeLEDs) were successfully fabricated on n-Si substrates by tailoring the interfaces of perovskite layers. The use of ZnO nanofilms modified with ethoxylated polyethyleneimine (PEIE) as electron transport layers and polyvinylcarbazole (PVK) layers as hole transport layers resulted in high brightness and good stability of green electroluminescence. This approach of making perovskite-based LEDs on silicon substrates holds great potential for integration with microelectronics and for the commercialization of low-cost perovskite materials and printed electronic devices.

APPLIED SURFACE SCIENCE (2023)

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Article Engineering, Electrical & Electronic

Modulating carrier injection through rational control of hole transport layer for perovskite light-emitting diodes

Ramesh Babu Yathirajula et al.

Summary: Charge balance can be achieved through energy level alignment and reduced barrier in transport layers. In this study, four hole transporting layers (HTLs) were used to regulate hole injection in the emissive layer. The NPD-based perovskite LED device demonstrated the best performance due to the well-matched HOMO and efficient charge transport. The device exhibited pure green emission and superior stability.

JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS (2023)

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Article Optics

Smoothing Energy Transfer Enabling Efficient Large-Area Quasi-2D Perovskite Light-Emitting Diodes

Lei Cai et al.

Summary: An intriguing strategy is developed to realize high-quality quasi-2D perovskite thin film by tuning the rheological properties of perovskite precursor and modulating the substrate surface tension. A large-area (25 cm(2)) quasi-2D perovskite light-emitting diode (PeLED) achieves an external quantum efficiency of 20.7% with uniform emitting characteristics, a record value among analogous same-size PeLEDs. This work may pave the way to realize high-performance large-area perovskite optoelectronic devices.

LASER & PHOTONICS REVIEWS (2023)

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Article Materials Science, Multidisciplinary

High Green Purity and Narrow Emission Ceramic-Like Perovskite Nanocrystals Enabled by Solid-Phase Reaction Process

Hongyuan Dong et al.

Summary: Ceramic-like CsPbBr3@SiO2 nanocrystals with high photoluminescence quantum yield (98.7%), green purity (90%), and narrow full width at half maximum (22 nm) were successfully achieved by a solid-phase reaction process. The SiO2 shell provides long-term working and excellent thermal cycling stability. Ba2+ doping and halogen vacancies passivation result in red-shift emission and conform to the Rec.2020 standard. White light-emitting diodes were achieved by preparing red, green, and blue ceramic-like perovskite nanocrystals.

ADVANCED OPTICAL MATERIALS (2023)

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Article Materials Science, Multidisciplinary

Optical Engineering of FAPbBr3 Nanocrystals via Conjugated Ligands for Light-Outcoupling Enhancement in Perovskite Light-Emitting Diodes

Siwei He et al.

Summary: A short-chain fluoroaromatic ligand, FPEABr, is used to fine-tune the refractive index and horizontal dipole ratio of the perovskite emitter layer, resulting in enhanced green emission performance of FAPbBr(3) nanocrystal films.

ADVANCED OPTICAL MATERIALS (2023)

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Article Nanoscience & Nanotechnology

Efficient Perovskite Light-Emitting Diodes by Buried Interface Modification with Triphenylphosphine Oxide

Zhanhua Wei et al.

Summary: Metal halide perovskite films are commonly prepared using solution-based methods, but this can result in defects at the interface between the perovskite layer and charge transport layers, which limits the performance of perovskite light-emitting diodes. Researchers have proposed strategies to address this issue, but most studies focus on modifying the top interface rather than the buried interface. In this study, triphenylphosphine oxide (TPPO) molecules were deposited at the buried interface between the perovskite and hole transport layer, improving film quality and passivating halogen vacancy defects. This led to a maximum external quantum efficiency of 21.01% and enhanced device reproducibility.

ACS APPLIED MATERIALS & INTERFACES (2023)

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Article Chemistry, Physical

Surface Engineering of Methylammonium Lead Bromide Perovskite Crystals for Enhanced X-ray Detection

Abraha Tadese Gidey et al.

Summary: A surface engineering crystallization technique is reported to improve the surface quality of lead halide perovskite crystals and enhance their optoelectronic properties and device performance.

JOURNAL OF PHYSICAL CHEMISTRY LETTERS (2023)

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Article Polymer Science

Controlled Growth of Highly Oriented Perovskite Crystals in Polymer Solutions via Selective Solvent Vapor Diffusion

Yen-Ting Li et al.

Summary: Organic-inorganic hybrid perovskites have attracted significant attention in optoelectronics due to their tunable optical characteristics. This study presents a method of selectively growing nanoscale perovskite crystals using a functional polymer-assisted solvent vapor-assisted crystallization process to control their crystallization and optical properties. The addition of a metal-coordinating functional polymer results in perovskite crystals with strong green emission and long carrier lifetime.

MACROMOLECULAR RAPID COMMUNICATIONS (2023)

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Article Nanoscience & Nanotechnology

FAPbBr(3)@PbBr(OH) phosphor with high stability for anti-counterfeiting application via water induction

Tiancheng Xu et al.

Summary: By introducing water into the synthesis, ultra-stable FAPbBr(3)@PbBr(OH) fluorescent material was prepared, and its photoluminescence intensity increased 2.9 times. The material exhibited good ultraviolet and thermal stability and maintained excellent green fluorescence emission after multiple wash-dry treatments. Additionally, it can be used for anti-counterfeit patterns.

NANOTECHNOLOGY (2023)

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Article Nanoscience & Nanotechnology

Multifunctional Short-Chain 2-Thiophenealkylammonium Bromide Ligand-Assisted Perovskite Quantum Dots for Efficient Light-Emitting Diodes

Chenjing Zhao et al.

Summary: By using 2-thiophenepropylamine bromide (ThPABr) as a multifunctional ligand in CsPbBr3 quantum dots, the film's photoluminescence quantum yield (PLQY) was increased to 83%, and the green LED exhibited significant performance improvement, including ultrahigh spectral stability, a maximum external quantum efficiency of 10.5%, and an extended operating lifetime that is 5 times longer than the reference sample.

ACS APPLIED MATERIALS & INTERFACES (2023)

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Article Materials Science, Multidisciplinary

Dual-function ligand surface control to achieve high efficiency and brightness perovskite quantum dots LED devices

Yuanqing Zhou et al.

Summary: Metal halide perovskite quantum dots (QDs) show promise for LED applications due to their excellent optical properties. However, the instability of traditional ligands affects the surface properties, and their insulating nature hinders practical use in electroluminescent devices. In this study, a dual-function ligand DDA-MeS was used to passivate surface defects and stabilize chelation on QDs surface. As a result, the performance of green QDs-LED devices was greatly improved with enhanced external quantum efficiency, maximum brightness, and reduced turn-on voltage. This work introduces a novel approach for developing highly efficient and bright green LED devices using dual-function ligands.

VACUUM (2023)

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Article Materials Science, Ceramics

Vacuum-deposited perovskite CsPbBr3 thin-films for temperature-stable Si based pure-green all-inorganic light-emitting diodes

Guojiao Xiang et al.

Summary: Highly luminescent CsPbBr3 perovskite films were prepared through vacuum deposition, and an all-inorganic PeLED with a heterostructure of p-NiO/CsPbBr3/n-Si was fabricated. The device exhibited pure-green emission with a narrow bandwidth and high brightness, making it one of the best pure-green PeLEDs. It also demonstrated great thermal stability and maintained good luminescence performance after multiple thermal cycling tests. This work provides a facile strategy for high-quality CsPbBr3 perovskite films and an important device structure for high thermal stability of PeLEDs.

CERAMICS INTERNATIONAL (2023)

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Article Nanoscience & Nanotechnology

Laser-Induced Synthesis of Hexagonal Cesium-Lead-Bromine Perovskite and Cubic Cesium-Bromine Nanocrystals for Light-Emitting Diodes

Yangyang Guo et al.

Summary: This work presents a strategy of laser-induced transient nonequilibrium thermodynamic processes for synthesizing shape-controlled colloidal perovskite nanocrystals in the liquid phase. Hexagonal CsPbBr3 nanocrystals and cubic CsBr nanocrystals were successfully achieved with tunable band structures and varied photoluminescence emission. Green perovskite light-emitting diodes (LEDs) based on hexagonal CsPbBr3 nanocrystals were fabricated, showing promising application in LEDs.

ACS APPLIED NANO MATERIALS (2023)

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Article Nanoscience & Nanotechnology

Dual-Mode Luminous Lead-Free Cs3Cu2Cl5 Perovskite Embedded in UiO-66-NDC Nanoparticles for Multilevel Anti-Counterfeiting

Wei Xiong et al.

Summary: Optical anti-counterfeiting technology has been developing in the field of information security and confidentiality, leading to a growing demand for eco-friendly and stable materials with multimodal fluorescence. In this study, a dual-mode-emission Cs3Cu2Cl5/UiO-66-NDC nanocomposite was fabricated via a nanoconfinement strategy, showing distinct luminous green and blue colors under different excitations. The possibility of associating this nanocomposite ink with other devices, such as printers and pens, was evaluated, and a multilayered anti-counterfeiting structure was constructed to enhance information decipherment difficulties. This work provides valuable research inspiration for the design and preparation of multimodal anti-counterfeiting materials.

ACS APPLIED NANO MATERIALS (2023)

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Article Materials Science, Multidisciplinary

Colloidal cesium lead bromide-based anisotropic nanorods for improving outcoupling in perovskite light-emitting diodes

Muhammad Imran Saleem et al.

Summary: The introduction of anisotropic nanorod-based perovskite with colloidal cesium lead bromide via the oil-water interface chemical stripping transition method improves the light outcoupling efficiency in perovskite light-emitting diodes (PeLEDs). Further research into the anisotropic 1D shape of perovskite could enhance the optoelectrical performance of PeLEDs.

JOURNAL OF INFORMATION DISPLAY (2023)

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Article Chemistry, Multidisciplinary

Homogeneous Phase Distribution in Q-2D Perovskites via Co-Assembly of Spacer Cations for Efficient Light-Emitting Diodes

Zhenyu Guo et al.

Summary: In this study, the crystallization kinetics of Q-2D perovskites were investigated through in situ absorbance spectroscopy. It was found that the arrangement of spacer cations at the nucleation stage determined the multiphase distribution. A co-assembly strategy was used to achieve a homogeneous phase distribution and higher efficiency in Q-2D perovskite LEDs.

ADVANCED MATERIALS (2023)

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Article Nanoscience & Nanotechnology

Complementary Triple-Ligand Engineering Approach to Methylamine Lead Bromide Nanocrystals for High-Performance Light-Emitting Diodes

Chenjing Zhao et al.

Summary: This study presents a complementary ligand synthesis method to improve the emissive features of MAPbBr(3) NCs and achieve high-efficiency green LEDs. The complementary ligand strategy enhances charge transport and modifies interfacial energy-level alignment in the NCs, leading to improved performance. This finding could open up new avenues for the development and commercial application of LEDs.

ACS APPLIED MATERIALS & INTERFACES (2022)

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Article Chemistry, Multidisciplinary

Energy and Charge Dual Transfer Engineering for High-Performance Green Perovskite Light-Emitting Diodes

Hee Ju An et al.

Summary: Perovskite light-emitting diodes (PeLEDs) have attracted considerable attention due to their unique optoelectronic properties, but their performance is limited by low quantum efficiency and unbalanced charge injection. In this study, a novel co-hole transport layer (HTL) was introduced to improve the performance of CsPbBr3-based PeLEDs through efficient energy transfer and enhanced charge transfer. The proposed dual transfer strategy is expected to revolutionize PeLED research.

ADVANCED FUNCTIONAL MATERIALS (2022)

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Article Chemistry, Physical

In situ preparation of Mn-doped perovskite nanocrystalline films and application to white light emitting devices

Xianwei Bai et al.

Summary: The study successfully prepared Mn-doped perovskite nanocrystalline films and analyzed their properties, revealing good crystalline structure and uniform size/spatial distribution, as well as bright dual-color emission and long excited state lifetime.

JOURNAL OF COLLOID AND INTERFACE SCIENCE (2022)

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Article Materials Science, Multidisciplinary

The hole transport layer with ammonia-modified to improve luminescence efficiency of all-inorganic perovskite light-emitting diodes

Chung-Hui Hsieh et al.

Summary: In this paper, a strategy to modify the PEDOT:PSS transport layer with ammonia was developed to enhance the performance of all-inorganic perovskite light-emitting diodes (PeLEDs). The ammonia-modified PEDOT:PSS layer effectively improved the charge injection balance rate, reduced the turn-on voltage, and enhanced the luminance, current efficiency, and external quantum efficiency of the devices. The improvement was attributed to the enhancement of the peak ratio of the intensity of the CsPbBr3 layer.

ORGANIC ELECTRONICS (2022)

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Article Nanoscience & Nanotechnology

Improved Charge Balance in Green Perovskite Light-Emitting Diodes with Atomic-Layer-Deposited Al2O3

William B. Gunnarsson et al.

Summary: This research addresses the challenges of using ZnO in perovskite LEDs, such as chemical instability at the ZnO/perovskite interface and charge injection imbalance. By depositing an ultrathin Al2O3 interlayer, the efficiency and operational stability of the greenemitting perovskite LEDs have been enhanced through fine-tuning electron injection from ZnO.

ACS APPLIED MATERIALS & INTERFACES (2022)

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Article Nanoscience & Nanotechnology

Highly Emissive Quasi-2D Perovskites Enabled by a Multifunctional Molecule for Bright Light-Emitting Diodes

Dongyang Shen et al.

Summary: In this study, a multifunctional molecule, tetrabutylammonium dihydrogen phosphate (TDP), was introduced to enhance the emission efficiency of quasi-2D perovskite. TDP effectively suppressed low-order phases, passivated defects, and increased the exciton binding energy of the perovskite, resulting in improved radiative recombination and high emission efficiency. The TDP-incorporated perovskite films exhibited significantly higher photoluminescence quantum yield, external quantum efficiency, and brightness.

ACS APPLIED MATERIALS & INTERFACES (2022)

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Article Chemistry, Multidisciplinary

Dual-Phase Regulation for High-Efficiency Perovskite Light-Emitting Diodes

Kebin Lin et al.

Summary: Perovskite light-emitting diodes (Pero-LEDs) have gained significant attention due to their high color purity and solution processing. Passivating non-radiative defects has been found to improve device performance. By utilizing a dual-phase regulation method, a CsPbBr3&Cs4PbBr6 perovskite layer with efficient electrical injection was grown, resulting in Pero-LEDs with high quantum efficiency and luminance.

ADVANCED FUNCTIONAL MATERIALS (2022)

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Article Chemistry, Multidisciplinary

Luminescent Thin Films Enabled by CsPbX3 (X=Cl, Br, I) Precursor Solution

Yue Liu et al.

Summary: A newly designed one-step spin-coating strategy was presented to prepare novel multicolor-tunable CsPbX3 nanocrystal thin films, showing high color purity and narrow emission width. The blue CsPb(Cl/Br)(3) film demonstrated the highest absolute photoluminescence quantum yield among the tested films.

CHEMISTRY-A EUROPEAN JOURNAL (2022)

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Article Chemistry, Physical

Synthesis and Exciton Dynamics of a One-Dimensional Organic Copper Halide Perovskite

Chao Wang et al.

Summary: In this study, a novel one-dimensional organic copper halide PEACuI(2) was reported, which exhibits broadband emission and large Stokes shift originating from self-trapped excitons (STEs). The dynamics and multi-body interactions of STEs were investigated, and the formation and recombination processes of self-trapped biexcitons (STBs) were observed.

JOURNAL OF PHYSICAL CHEMISTRY C (2022)

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Article Chemistry, Physical

Rearranging the Phase Distribution of Quasi-2D Perovskite for Efficient and Narrow Emission Perovskite Light-Emitting Diodes

Junming Ma et al.

Summary: In this study, the bifunctional additive L-TrpBr was introduced into quasi-2D perovskite films, leading to improved phase distribution and defect passivation, resulting in higher efficiency and color purity in light-emitting diodes.

JOURNAL OF PHYSICAL CHEMISTRY LETTERS (2022)

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Article Multidisciplinary Sciences

Anisotropic nanocrystal superlattices overcoming intrinsic light outcoupling efficiency limit in perovskite quantum dot light-emitting diodes

Sudhir Kumar et al.

Summary: The authors demonstrated the control of transition-dipole-moment orientation in quantum dot solids using colloidal lead halide perovskite anisotropic nanocrystals, leading to an enhanced external quantum efficiency.

NATURE COMMUNICATIONS (2022)

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Article Materials Science, Multidisciplinary

In Situ Growth of Ultrapure Green-Emitting FAPbBr3-PVDF Films via a Synergetic Dual-Additive Strategy for Wide Color Gamut Backlit Display

Changbin Yang et al.

Summary: In this study, a high-performance green emissive down-converter film was fabricated using a dual-additive assisted in situ growth strategy. The resulting film showed narrow and efficient emission characteristics, and a wide color gamut liquid crystal display was successfully constructed. The green film demonstrated potential for high-definition display applications.

ADVANCED MATERIALS TECHNOLOGIES (2022)

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Editorial Material Physics, Condensed Matter

Star perovskite materials

Lixiu Zhang et al.

JOURNAL OF SEMICONDUCTORS (2022)

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Article Multidisciplinary Sciences

Ultra-bright, efficient and stable perovskite light-emitting diodes

Joo Sung Kim et al.

Summary: This study reports the development of ultra-bright, efficient, and stable light-emitting diodes (PeLEDs) made of core/shell perovskite nanocrystals. The nanocrystals, obtained through in situ reaction of benzylphosphonic acid with polycrystalline perovskite films, demonstrate strong carrier confinement and maintain good charge-transport properties.

NATURE (2022)

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Article Chemistry, Multidisciplinary

Polymer-Assisted Crystal Growth Regulation and Defect Passivation for Efficient Perovskite Light-Emitting Diodes

Wenjing Feng et al.

Summary: A polymer infiltrative treatment method has been developed to improve the performance of perovskite light-emitting diodes (Pero-LEDs). The method effectively passivates defects in the perovskite film, resulting in high-quality films and achieving high EQEs in Pero-LEDs.

ADVANCED FUNCTIONAL MATERIALS (2022)

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Article Chemistry, Physical

Low-cost and easily prepared interface layer towards efficient and negligible hysteresis perovskite solar cells

Wei Wu et al.

Summary: In this study, high-performance perovskite solar cells (PSCs) with matched energy level alignment and minimal non-radiative recombination at the buried perovskite/charge transport material interface were successfully fabricated by inserting a CsTFSI interlayer. The CsTFSI modification improved the interface properties between the charge transport material and perovskite, leading to a considerable increase in power conversion efficiency (PCE) of the devices.

JOURNAL OF COLLOID AND INTERFACE SCIENCE (2022)

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Article Materials Science, Multidisciplinary

The efficient green light-emitting diodes based on low-toxicity Zr-Pb alloy perovskite quantum dots passivated by inorganic ligand

Xikang Yang et al.

Summary: This article explores the potential of Perovskite quantum dots (PeQDs) as a next-generation display technology and the challenges they face. The study presents a solution by doping Zr ions and passivating CsPbBr3 PeQDs with potassium thiocyanate, which improves the stability, photoluminescence quantum yield, and electrical conductivity of the PeQDs films. Furthermore, the use of all-inorganic metal oxide semiconductor materials as electron and hole transport layers enhances the operating stability of the devices. The research successfully fabricates highly efficient and stable green-light all-inorganic quantum dots light-emitting diodes (QLEDs).

APPLIED MATERIALS TODAY (2022)

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Article Chemistry, Multidisciplinary

High-Performance Perovskite Light-Emitting Diodes Enabled by Passivating Defect and Constructing Dual Energy-Transfer Pathway through Functional Perovskite Nanocrystals

Yanbo Gao et al.

Summary: Functional phenethylammonium bromine-modified CsPbBr3 nanocrystals are introduced as a multifunctional additive to improve the efficiency and stability of quasi-2D perovskite films. They serve as heteronuclear seeds, passivate intrinsic defects, and create a new carrier-transfer pathway, resulting in enhanced energy transfer and radiation recombination.

ADVANCED MATERIALS (2022)

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Article Materials Science, Multidisciplinary

Modification of PEDOT: PSS to enhance device efficiency and stability of the Quasi-2D perovskite light-emitting diodes

Yueqiao Li et al.

Summary: By doping lithium fluoride into PEDOT: PSS, the electrical characteristics of the hole transport layer can be modified, leading to significantly improved luminance, efficiency, and device stability in quasi-2D perovskite LEDs.

ORGANIC ELECTRONICS (2022)

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Article Engineering, Environmental

Modulating phase distribution and passivating surface defects of quasi-2D perovskites via potassium tetrafluoroborate for light-emitting diodes

Mubing Yu et al.

Summary: The introduction of potassium tetrafluoroborate (KBF4) can fine modulate the phase distribution and reduce the defect density of quasi-2D perovskites, leading to improved performance of perovskite LEDs (PeLEDs).

CHEMICAL ENGINEERING JOURNAL (2022)

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Article Materials Science, Multidisciplinary

A green emitting (Ba,Ca)ScO2F:Bi3+,K+ perovskite phosphor with high efficiency and good thermal stability for LED backlight displays

Mingsheng Cai et al.

Summary: Investigating narrow-band green emitting phosphors with high efficiency and good thermal stability is the main goal of this research. Through cation substitution design strategy, Ba1-xCaxScO2F:0.001Bi(3+),0.001K(+) perovskite phosphors that emit narrow green light under 415 nm chip excitation were developed. The effects of Ca2+ substitution for Ba2+ in the crystal structures and photoluminescence properties were investigated, and the improvement of luminescence efficiency and thermal stability was discussed.

MATERIALS ADVANCES (2022)

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Article Chemistry, Physical

Rearranging the Phase Distribution of Quasi-2D Perovskite for Efficient and Narrow Emission Perovskite Light-Emitting Diodes

Junming Ma et al.

Summary: In this study, a bifunctional additive (L-TrpBr) was introduced into quasi-2D perovskite film to control phase distribution and passivate defects. PeLEDs with this additive exhibited significantly improved EQE and the narrowest fwhm among green quasi-2D PeLEDs reported to date.

JOURNAL OF PHYSICAL CHEMISTRY LETTERS (2022)

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Article Multidisciplinary Sciences

Perovskite QLED with an external quantum efficiency of over 21% by modulating electronic transport

Tao Fang et al.

Summary: This study demonstrates green perovskite QLEDs with improved efficiency and operational lifetime by balancing charge injection, showing high color saturation and excellent external quantum efficiency. Modulating charge balance significantly enhances the operational lifetime of the devices, further highlighting the potential of perovskite QLEDs for practical applications.

SCIENCE BULLETIN (2021)

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Article Nanoscience & Nanotechnology

Quasi-Type II Core-Shell Perovskite Nanocrystals for Improved Structural Stability and Optical Gain

Xuanyu Zhang et al.

Summary: Core-shell lead halide perovskite nanocrystals with a quasi-type II band alignment and Cs+ ions in the shell to limit ion migration and stabilize structural and optical properties. After exposure to pulsed nanosecond laser, amplified spontaneous emission (ASE) is observed, attributed to effective passivation of defects at the interface induced by laser irradiation. These core-shell PeNCs demonstrate high structural and optical stability, with an ASE threshold of 447 nJ/cm(2) under pulsed nanosecond optical pumping.

ACS APPLIED MATERIALS & INTERFACES (2021)

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Article Chemistry, Multidisciplinary

Luminescence and Stability Enhancement of Inorganic Perovskite Nanocrystals via Selective Surface Ligand Binding

Jun Yin et al.

Summary: Colloidal lead halide perovskite nanocrystals have shown great potential as light-emitting materials, but their poor stability and durability hinder their practical application. Surface orientations and terminations of the nanocrystals play a crucial role in the interfacial interactions with ligands, surface defect formation, and aggregation. By employing a ligand-engineering strategy, trap states can be eliminated, resulting in improved photoluminescence and stability of the nanocrystals. Additionally, adding specific ligands can enhance the optical behavior of the nanocrystals, making them more efficient for light-harvesting devices.

ACS NANO (2021)

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Article Engineering, Environmental

Enhancing the efficiency of green perovskite-QDs-based light-emitting devices by controlling interfacial defects with diamine molecules

Shuai Zhang et al.

Summary: The study investigated the effects of modifying HTL with different diamine molecules through a simple self-assembly method, finding that this modification can increase the fluorescence intensity of perovskite quantum dot films, reduce fluorescence quenching, and contribute to film flatness and smoothness. It also effectively reduces the defect density and exciton quenching at the interface between HTL and QD films.

CHEMICAL ENGINEERING JOURNAL (2021)

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Article Optics

Comprehensive defect suppression in perovskite nanocrystals for high-efficiency light-emitting diodes

Young-Hoon Kim et al.

Summary: In this study, a one-dopant alloying strategy was employed to enhance electroluminescence efficiencies of metal halide perovskite nanocrystals (PNCs) by reducing defect formation and enhancing charge carrier confinement. Surface-stabilizing agents and bromide vacancy healing agents were utilized to decrease defect density and improve carrier confinement, resulting in significant enhancement in performance.

NATURE PHOTONICS (2021)

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Article Multidisciplinary Sciences

Reducing the impact of Auger recombination in quasi-2D perovskite light-emitting diodes

Yuanzhi Jiang et al.

Summary: By reducing the exciton binding energy of materials and employing a polar molecule for treatment, the Auger recombination effect in perovskite materials has been successfully suppressed, leading to efficient PeLEDs devices with outstanding photoluminescence quantum yields. Additionally, a record luminance of 82,480 cd m(-2) was achieved due to the suppressed efficiency roll-off, making it one of the brightest visible PeLEDs to date.

NATURE COMMUNICATIONS (2021)

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Article Multidisciplinary Sciences

Distribution control enables efficient reduced-dimensional perovskite LEDs

Dongxin Ma et al.

Summary: By using a fluorinated triphenylphosphine oxide additive to control cation diffusion and passivate surfaces, the efficiency and operating lifetimes of perovskite light-emitting diodes have been improved. Although reduced-dimensional perovskites show promise in increasing stability and photoluminescence quantum yield, challenges such as lower EQEs and inferior color purities remain.

NATURE (2021)

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Article Optics

Unraveling the Energy Landscape and Energy Funneling Modulated by Hole Transport Layer for Highly Efficient Perovskite LEDs

Ting Li et al.

Summary: This study investigates the effects of hole transport layer (HTL) on the energy landscape and energy funneling of quasi-2D perovskites, revealing significant variations in energy funneling efficiency among different HTLs. The passivation effect of PEO on the energy funneling process is studied, and the most efficient energy funneling is observed on PVK:PEO HTL. LEDs based on PEA(2)Cs(n-1)Pb(n)Br(3n+1) and PVK:PEO demonstrate the best performance reported so far without perovskite composition modifications.

LASER & PHOTONICS REVIEWS (2021)

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Article Optics

Suppression of temperature quenching in perovskite nanocrystals for efficient and thermally stable light-emitting diodes

Mingming Liu et al.

Summary: Fluoride-treated CsPbBr3 nanocrystals exhibit near unity emission efficiency at temperatures up to 373 K, with constant decay kinetics. The treatment leads to surfaces rich in fluorine with wider energy gaps than the core, suppressing carrier trapping and improving thermal stability. Devices incorporating these nanocrystals show low turn-on voltage and high external quantum efficiency, with nearly 80% efficiency maintained at high temperatures, offering a promising pathway for high-performance light-emitting diodes based on perovskite nanostructures.

NATURE PHOTONICS (2021)

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Article Multidisciplinary Sciences

Smoothing the energy transfer pathway in quasi-2D perovskite films using methanesulfonate leads to highly efficient light-emitting devices

Lingmei Kong et al.

Summary: By incorporating MeS additives to modify quasi-2D RP perovskite films, the structure is reconstructed, energy transfer is enhanced, and defect density is reduced, leading to improved light emission efficiency and device performance.

NATURE COMMUNICATIONS (2021)

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Article Chemistry, Multidisciplinary

Perovskite Light-Emitting Diodes with External Quantum Efficiency Exceeding 22% via Small-Molecule Passivation

Zema Chu et al.

Summary: The functional additive ethoxylated trimethylolpropane triacrylate (ETPTA) can effectively reduce defects in perovskite films, improving the performance of Perovskite light-emitting diodes (PeLEDs) to achieve high external quantum efficiency. These findings provide a simple and effective strategy for producing highly efficient perovskite polycrystalline films and their optoelectronics devices.

ADVANCED MATERIALS (2021)

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Article Multidisciplinary Sciences

High-performance large-area quasi-2D perovskite light-emitting diodes

Changjiu Sun et al.

Summary: The performance of perovskite light-emitting diodes tends to decline as the active area increases, with severe phase-segregation identified as the cause. The introduction of L-Norvaline to construct an intermediate phase has successfully suppressed the phase-segregation, resulting in highly-efficient large-area quasi-2D films.

NATURE COMMUNICATIONS (2021)

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Article Chemistry, Multidisciplinary

Synthesis of Red Cesium Lead Bromoiodide Nanocrystals Chelating Phenylated Phosphine Ligands with Enhanced Stability

Kuan-Hsueh Peng et al.

Summary: Introducing DPMP or TPP ligands onto cesium lead bromoiodide nanocrystals improves air stability and optoelectronic properties, with DPMP showing better stabilization of emission, carrier lifetime, and photoluminescence quantum yield. The surface passivation by DPMP or TPP ligands reduces nonradiative recombination, leading to enhanced performance and prolonged device lifetime in perovskite light-emitting diodes.

ACS OMEGA (2021)

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Article Chemistry, Multidisciplinary

Perovskite Light-Emitting Diodes with EQE Exceeding 28% through a Synergetic Dual-Additive Strategy for Defect Passivation and Nanostructure Regulation

Zhe Liu et al.

Summary: A synergetic dual-additive strategy was used to prepare perovskite films with low defect density and high environmental stability, leading to the formation of perovskite nanocrystals with a quasi-core/shell structure that exhibited improved stability and efficiency in green PeLEDs.

ADVANCED MATERIALS (2021)

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Article Chemistry, Multidisciplinary

Promoting Energy Transfer via Manipulation of Crystallization Kinetics of Quasi-2D Perovskites for Efficient Green Light-Emitting Diodes

Zhenyu Guo et al.

Summary: By manipulating the crystallization kinetics of different-n phases, a more efficient energy transfer in Q-2D perovskites is achieved, leading to highly efficient green LEDs.

ADVANCED MATERIALS (2021)

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Article Chemistry, Multidisciplinary

Phase Engineering of Cesium Manganese Bromides Nanocrystals with Color-Tunable Emission

Qingkun Kong et al.

Summary: The study introduced a unique phase transition strategy to engineer the emission color of lead-free cesium manganese bromides nanocrystals, achieving tunable red/green/blue emission with high color purity. Under humid conditions, both 1D and 0D nanocrystals can transform into 0D Cs2MnBr4.2 H2O nanocrystals, which can inversely transform back into a mixture of phases. This work highlights the tunable optical properties in single component nanocrystals through phase engineering, providing a new direction for future light-emitting devices.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2021)

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Article Biochemistry & Molecular Biology

Synthesis of Lead-Free CaTiO3 Oxide Perovskite Film through Solution Combustion Method and Its Thickness-Dependent Hysteresis Behaviors within 100 mV Operation

Subin Lee et al.

Summary: Lead-free calcium titanate perovskite was synthesized using a solution-processed combustion method, and its chemical and morphological properties were studied as a function of thickness. Thicker films were found to have larger grains and more oxygen vacancies, impacting the electrical hysteresis behavior. The hysteresis could be controlled over an extremely low voltage operation by varying the grain size and oxygen vacancies.

MOLECULES (2021)

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Article Chemistry, Physical

High-Brightness Perovskite Light-Emitting Diodes Based on FAPbBr3 Nanocrystals with Rationally Designed Aromatic Ligands

Haifeng Zhao et al.

Summary: The study successfully developed highly luminescent and stable perovskite nanocrystals capped with 2-naphthalenesulfonic acid, improving the brightness and efficiency of LEDs.

ACS ENERGY LETTERS (2021)

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Article Chemistry, Physical

Tuning Facets and Controlling Monodispersity in Organic-Inorganic Hybrid Perovskite FAPbBr3 Nanocrystals

Avijit Patra et al.

Summary: This study demonstrates the facet tuning of FAPbBr(3) nanocrystals by controlling the population of surface A-site cations, resulting in monodisperse nanocrystals. This advancement will accelerate the widespread applications of hybrid perovskite nanocrystals in various fields.

ACS ENERGY LETTERS (2021)

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Article Energy & Fuels

Enhanced Performance of Perovskite Solar Cells via Reactive Post-treatment Process Utilizing Guanidine Acetate as Interface Modifier

Pramila Patil et al.

Summary: The study utilized a reactive post-treatment process with guanidine acetate to improve the perovskite surface grain size, reduce grain boundary density, lower defect density, and decrease charge recombination, resulting in enhanced performance of the perovskite-based solar cells.

SOLAR RRL (2021)

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Article Nanoscience & Nanotechnology

Novel Lewis Base Cyclam Self-Passivation of Perovskites without an Anti-Solvent Process for Efficient Light-Emitting Diodes

Boning Han et al.

ACS APPLIED MATERIALS & INTERFACES (2020)

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Article Nanoscience & Nanotechnology

High-Brightness Perovskite Light-Emitting Diodes Using a Printable Silver Microflake Contact

Masoud Payandeh et al.

ACS APPLIED MATERIALS & INTERFACES (2020)

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Article Chemistry, Multidisciplinary

High-Performance Perovskite Light-Emitting Diode with Enhanced Operational Stability Using Lithium Halide Passivation

Tian Wu et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2020)

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Article Chemistry, Physical

Enhancing Charge Carrier Delocalization in Perovskite Quantum Dot Solids with Energetically Aligned Conjugated Capping Ligands

Evan T. Vickers et al.

ACS ENERGY LETTERS (2020)

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Article Chemistry, Multidisciplinary

Co-Interlayer Engineering toward Efficient Green Quasi-Two-Dimensional Perovskite Light-Emitting Diodes

Meng Fanyuan et al.

ADVANCED FUNCTIONAL MATERIALS (2020)

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Article Chemistry, Physical

Highly stretchable and contact-responsive light-emitting diodes based on MAPbBr3-PEO composite film

Hyun Min Kim et al.

JOURNAL OF ALLOYS AND COMPOUNDS (2020)

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Article Chemistry, Physical

Prominent Heat Dissipation in Perovskite Light-Emitting Diodes with Reduced Efficiency Droop for Silicon-Based Display

Hao Xu et al.

JOURNAL OF PHYSICAL CHEMISTRY LETTERS (2020)

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Article Materials Science, Multidisciplinary

Quasi-2D organic cation-doped formamidinium lead bromide (FAPbBr3) perovskite light-emitting diodes by long alkyl chain

Hassan Alehdaghi et al.

ORGANIC ELECTRONICS (2020)

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Article Chemistry, Multidisciplinary

Core/Shell Perovskite Nanocrystals: Synthesis of Highly Efficient and Environmentally Stable FAPbBr3/CsPbBr3 for LED Applications

Chengxi Zhang et al.

ADVANCED FUNCTIONAL MATERIALS (2020)

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Article Materials Science, Multidisciplinary

Potassium Doping to Enhance Green Photoemission of Light-Emitting Diodes Based on CsPbBr(3)Perovskite Nanocrystals

Minh Tam Hoang et al.

ADVANCED OPTICAL MATERIALS (2020)

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Article Chemistry, Physical

In-situ passivation perovskite targeting efficient light-emitting diodes via spontaneously formed silica network

Yuqiang Liu et al.

NANO ENERGY (2020)

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Article Multidisciplinary Sciences

Green perovskite light-emitting diodes with simultaneous high luminance and quantum efficiency through charge injection engineering

Tiankai Zhang et al.

SCIENCE BULLETIN (2020)

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Article Chemistry, Physical

A Multi-functional Molecular Modifier Enabling Efficient Large-Area Perovskite Light-Emitting Diodes

Haoran Wang et al.

JOULE (2020)

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Article Nanoscience & Nanotechnology

Bipolar-shell resurfacing for blue LEDs based on strongly confined perovskite quantum dots

Yitong Dong et al.

NATURE NANOTECHNOLOGY (2020)

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Article Multidisciplinary Sciences

A bilateral interfacial passivation strategy promoting efficiency and stability of perovskite quantum dot light-emitting diodes

Leimeng Xu et al.

NATURE COMMUNICATIONS (2020)

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Article Engineering, Electrical & Electronic

Efficient light-emitting diodes from mixed-dimensional perovskites on a fluoride interface

Baodan Zhao et al.

NATURE ELECTRONICS (2020)

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Article Chemistry, Physical

Alloy CsCdxPb1-xBr3 Perovskite Nanocrystals: The Role of Surface Passivation in Preserving Composition and Blue Emission

Muhammad Imran et al.

CHEMISTRY OF MATERIALS (2020)

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Article Engineering, Electrical & Electronic

Performance Enhanced Light-Emitting Diodes Fabricated from Nanocrystalline CsPbBr3 with In Situ Zn2+ Addition

Parth Vashishtha et al.

ACS APPLIED ELECTRONIC MATERIALS (2020)

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Article Chemistry, Multidisciplinary

Alternative Organic Spacers for More Efficient Perovskite Solar Cells Containing Ruddlesden-Popper Phases

Jun Xi et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2020)

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Article Materials Science, Multidisciplinary

Fabrication of centimeter-scale MAPbBr3 light-emitting device with high color purity

Shih-Jung Chang et al.

ORGANIC ELECTRONICS (2020)

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Article Nanoscience & Nanotechnology

Stable CsPbBr3:Sn@SiO2 and Cs4PbB6:Sn@SiO2 Core-Shell Quantum Dots with Tunable Color Emission for Light-Emitting Diodes

Bo Wang et al.

ACS APPLIED NANO MATERIALS (2020)

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Article Chemistry, Multidisciplinary

Ammonium acetate passivated CsPbI3 perovskite nanocrystals for efficient red light-emitting diodes

Yongsheng Zhu et al.

NANOSCALE (2020)

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Article Chemistry, Multidisciplinary

Improved current efficiency of quasi-2D multi-cation perovskite light-emitting diodes: the effect of Cs and K

Guang Yang et al.

NANOSCALE (2020)

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Article Multidisciplinary Sciences

Coherent single-photon emission from colloidal lead halide perovskite quantum dots

Hendrik Utzat et al.

SCIENCE (2019)

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Article Multidisciplinary Sciences

Trifluoroacetate induced small-grained CsPbBr3 perovskite films result in efficient and stable light-emitting devices

Haoran Wang et al.

NATURE COMMUNICATIONS (2019)

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Article Chemistry, Physical

Alkali Chlorides for the Suppression of the Interfacial Recombination in Inverted Planar Perovskite Solar Cells

Wei Chen et al.

ADVANCED ENERGY MATERIALS (2019)

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Review Chemistry, Multidisciplinary

Metal Halide Perovskite Light-Emitting Devices: Promising Technology for Next-Generation Displays

Min Lu et al.

ADVANCED FUNCTIONAL MATERIALS (2019)

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Article Chemistry, Multidisciplinary

Efficient Perovskite Light-Emitting Diodes Using Polycrystalline Core-Shell-Mimicked Nanograins

Min-Ho Park et al.

ADVANCED FUNCTIONAL MATERIALS (2019)

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Article Chemistry, Multidisciplinary

High-Efficiency Perovskite Light-Emitting Diodes with Synergetic Outcoupling Enhancement

Yang Shen et al.

ADVANCED MATERIALS (2019)

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Article Chemistry, Physical

Enhanced brightness of methylammonium lead tribromide perovskite microcrystal-based green light-emitting diodes by adding hydrophilic polyvinylpyrrolidone with oleic acid-modified ZnO quantum dot electron transporting layer

Yun Cheol Kim et al.

JOURNAL OF ALLOYS AND COMPOUNDS (2019)

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Article Chemistry, Physical

Effects of Organic Cations on the Structure and Performance of Quasi-Two-Dimensional Perovskite-Based Light-Emitting Diodes

Xiaolei Yang et al.

JOURNAL OF PHYSICAL CHEMISTRY LETTERS (2019)

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Article Nanoscience & Nanotechnology

Mn2+ Doping Enhances the Brightness, Efficiency, and Stability of Bulk Perovskite Light-Emitting Diodes

Mahesh K. Gangishetty et al.

ACS PHOTONICS (2019)

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Article Chemistry, Multidisciplinary

CsPbBr3 Quantum Dots 2.0: Benzenesulfonic Acid Equivalent Ligand Awakens Complete Purification

Dandan Yang et al.

ADVANCED MATERIALS (2019)

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Editorial Material Multidisciplinary Sciences

Resurfacing halide perovskite nanocrystals

Guilherme Almeida et al.

SCIENCE (2019)

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Article Chemistry, Physical

Ideal conducting polymer anode for perovskite light-emitting diodes by molecular interaction decoupling

Su-Hun Jeong et al.

NANO ENERGY (2019)

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Article Chemistry, Multidisciplinary

Efficient Quantum Dot Light-Emitting Diodes Based on Trioctylphosphine Oxide-Passivated Organometallic Halide Perovskites

Yao Yao et al.

ACS OMEGA (2019)

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Article Physics, Applied

Performance boosting strategy for perovskite light-emitting diodes

Kihyung Sim et al.

APPLIED PHYSICS REVIEWS (2019)

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Article Nanoscience & Nanotechnology

Green Solution-Processed Tin-Based Perovskite Films for Lead-Free Planar Photovoltaic Devices

Xiao-Lei Li et al.

ACS APPLIED MATERIALS & INTERFACES (2019)

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Article Chemistry, Multidisciplinary

Complementary Black Phosphorus Tunneling Field-Effect Transistors

Peng Wu et al.

ACS NANO (2019)

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Article Chemistry, Multidisciplinary

Light Emitting Diodes Based on Inorganic Composite Halide Perovskites

Xiujun Lian et al.

ADVANCED FUNCTIONAL MATERIALS (2019)

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Article Chemistry, Multidisciplinary

Facile Synthesis of Stable and Highly Luminescent Methylammonium Lead Halide Nanocrystals for Efficient Light Emitting Devices

Yasser Hassan et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2019)

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Article Materials Science, Multidisciplinary

High performance and stable all-inorganic perovskite light emitting diodes by reducing luminescence quenching at PEDOT:PSS/Perovskites interface

Yan Meng et al.

ORGANIC ELECTRONICS (2019)

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Article Materials Science, Multidisciplinary

Efficient CsPbBr3 Perovskite Light-Emitting Diodes Enabled by Synergetic Morphology Control

Li-Peng Cheng et al.

ADVANCED OPTICAL MATERIALS (2019)

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Article Materials Science, Multidisciplinary

Highly efficient CsPbBr3 perovskite nanocrystals induced by structure transformation between CsPbBr3 and Cs4PbBr6 phases

Ying Su et al.

JOURNAL OF MATERIALS CHEMISTRY C (2019)

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Review Chemistry, Multidisciplinary

Lead-Free Hybrid Perovskite Absorbers for Viable Application: Can We Eat the Cake and Have It too?

Lusheng Liang et al.

ADVANCED SCIENCE (2018)

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Article Nanoscience & Nanotechnology

Boosting Perovskite Light-Emitting Diode Performance via Tailoring Interfacial Contact

Yatao Zou et al.

ACS APPLIED MATERIALS & INTERFACES (2018)

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Article Chemistry, Multidisciplinary

One-Pot Synthesis of Highly Stable CsPbBr3@SiO2 Core-Shell Nanoparticles

Qixuan Zhong et al.

ACS NANO (2018)

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Article Chemistry, Multidisciplinary

Room-Temperature Triple-Ligand Surface Engineering Synergistically Boosts Ink Stability, Recombination Dynamics, and Charge Injection toward EQE-11.6% Perovskite QLEDs

Jizhong Song et al.

ADVANCED MATERIALS (2018)

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Article Chemistry, Multidisciplinary

Enhancing Performances of Hybrid Perovskite Light Emitting Diodes with Thickness Controlled PMMA Interlayer

Gundam Sandeep Kumar et al.

BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN (2018)

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Article Chemistry, Multidisciplinary

Highly Efficient Visible Colloidal Lead-Halide Perovskite Nanocrystal Light-Emitting Diodes

Fei Yan et al.

NANO LETTERS (2018)

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Article Materials Science, Multidisciplinary

Efficient pure green light-emitting diodes based on formamidinium lead bromide perovskite nanocrystals

Lianwei Fan et al.

ORGANIC ELECTRONICS (2018)

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Article Multidisciplinary Sciences

Efficient green light-emitting diodes based on quasi-two-dimensional composition and phase engineered perovskite with surface passivation

Xiaolei Yang et al.

NATURE COMMUNICATIONS (2018)

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Article Nanoscience & Nanotechnology

Nature of Photoinduced Quenching Traps in Methylammonium Lead Triiodide Perovskite Revealed by Reversible Photoluminescence Decline

Daocheng Hong et al.

ACS PHOTONICS (2018)

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Article Chemistry, Physical

Realization of a Highly Oriented MAPbBr(3) Perovskite Thin Film via Ion Exchange for Ultrahigh Color Purity Green Light Emission

Ting Zhao et al.

ACS ENERGY LETTERS (2018)

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Article Energy & Fuels

A fluorene-terminated hole-transporting material for highly efficient and stable perovskite solar cells

Nam Joong Jeon et al.

NATURE ENERGY (2018)

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Article Chemistry, Multidisciplinary

Self-Assembled High Quality CsPbBr3 Quantum Dot Films toward Highly Efficient Light-Emitting Diodes

Shuai Yuan et al.

ACS NANO (2018)

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Article Chemistry, Multidisciplinary

Efficient Light-Emitting Diodes Based on in Situ Fabricated FAPbBr3 Nanocrystals: The Enhancing Role of the Ligand-Assisted Reprecipitation Process

Dengbao Han et al.

ACS NANO (2018)

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Article Chemistry, Physical

Surface Ligand Engineering for Near-Unity Quantum Yield Inorganic Halide Perovskite QDs and High-Performance QLEDs

Guopeng Li et al.

CHEMISTRY OF MATERIALS (2018)

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Article Physics, Applied

Bright and efficient light-emitting diodes based on perovskite quantum dots with formamidine-methylamine hybrid cations

Guanding Mei et al.

JOURNAL OF PHYSICS D-APPLIED PHYSICS (2018)

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Article Nanoscience & Nanotechnology

Balanced carrier injection of quantum dots light-emitting diodes: the case of interface barrier of bilayer ZnO electron transport layer

Yufei Tu et al.

NANOTECHNOLOGY (2018)

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Article Multidisciplinary Sciences

Solution-processed perovskite light emitting diodes with efficiency exceeding 15% through additive-controlled nanostructure tailoring

Muyang Ban et al.

NATURE COMMUNICATIONS (2018)

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Article Chemistry, Multidisciplinary

Green Light-Emitting Devices Based on Perovskite CsPbBr3 Quantum Dots

Han Yu et al.

FRONTIERS IN CHEMISTRY (2018)

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Article Chemistry, Physical

In Situ Passivation of PbBr64- Octahedra toward Blue Luminescent CsPbBr3 Nanoplatelets with Near 100% Absolute Quantum Yield

Ye Wu et al.

ACS ENERGY LETTERS (2018)

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Article Chemistry, Multidisciplinary

Manipulating the Trade-off Between Quantum Yield and Electrical Conductivity for High-Brightness Quasi-2D Perovskite Light-Emitting Diodes

Zhibin Wang et al.

ADVANCED FUNCTIONAL MATERIALS (2018)

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Article Chemistry, Multidisciplinary

Organic-Inorganic Hybrid Passivation Enables Perovskite QLEDs with an EQE of 16.48%

Jizhong Song et al.

ADVANCED MATERIALS (2018)

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Article Multidisciplinary Sciences

Perovskite light-emitting diodes based on spontaneously formed submicrometre-scale structures

Yu Cao et al.

NATURE (2018)

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Article Multidisciplinary Sciences

Perovskite light-emitting diodes with external quantum efficiency exceeding 20 per cent

Kebin Lin et al.

NATURE (2018)

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Article Chemistry, Multidisciplinary

Control of Interface Defects for Efficient and Stable Quasi-2D Perovskite Light-Emitting Diodes Using Nickel Oxide Hole Injection Layer

Seungjin Lee et al.

ADVANCED SCIENCE (2018)

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Article Chemistry, Multidisciplinary

Nanoplatelet modulation in 2D/3D perovskite targeting efficient light-emitting diodes

Tian Wu et al.

NANOSCALE (2018)

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Article Chemistry, Multidisciplinary

50-Fold EQE Improvement up to 6.27% of Solution-Processed All-Inorganic Perovskite CsPbBr3 QLEDs via Surface Ligand Density Control

Jianhai Li et al.

ADVANCED MATERIALS (2017)

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Article Chemistry, Multidisciplinary

High-Performance Color-Tunable Perovskite Light Emitting Devices through Structural Modulation from Bulk to Layered Film

Ziming Chen et al.

ADVANCED MATERIALS (2017)

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Article Chemistry, Physical

Methylammonium Lead Bromide Perovskite Light-Emitting Diodes by Chemical Vapor Deposition

Matthew R. Leyden et al.

JOURNAL OF PHYSICAL CHEMISTRY LETTERS (2017)

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Article Chemistry, Multidisciplinary

Tailoring the Energy Landscape in Quasi-2D Halide Perovskites Enables Efficient Green-Light Emission

Li Na Quan et al.

NANO LETTERS (2017)

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Article Optics

Efficient perovskite light-emitting diodes featuring nanometre-sized crystallites

Zhengguo Xiao et al.

NATURE PHOTONICS (2017)

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Article Multidisciplinary Sciences

Ultra-bright and highly efficient inorganic based perovskite light-emitting diodes

Liuqi Zhang et al.

NATURE COMMUNICATIONS (2017)

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Article Nanoscience & Nanotechnology

Wide range tuning of the size and emission color of CH3NH3PbBr3 quantum dots by surface ligands

Xin Fang et al.

AIP ADVANCES (2017)

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Article Nanoscience & Nanotechnology

Flexible and Lightweight Pressure Sensor Based on Carbon Nanotube/Thermoplastic Polyurethane-Aligned Conductive Foam with Superior Compressibility and Stability

Wenju Huang et al.

ACS APPLIED MATERIALS & INTERFACES (2017)

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Article Chemistry, Multidisciplinary

Improved Performance and Stability of All-Inorganic Perovskite Light-Emitting Diodes by Antisolvent Vapor Treatment

Chen Wu et al.

ADVANCED FUNCTIONAL MATERIALS (2017)

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Article Chemistry, Multidisciplinary

Solvothermal Synthesis of High-Quality All-Inorganic Cesium Lead Halide Perovskite Nanocrystals: From Nanocube to Ultrathin Nanowire

Min Chen et al.

ADVANCED FUNCTIONAL MATERIALS (2017)

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Article Chemistry, Multidisciplinary

300% Enhancement of Carrier Mobility in Uniaxial-Oriented Perovskite Films Formed by Topotactic-Oriented Attachment

Dong Hoe Kim et al.

ADVANCED MATERIALS (2017)

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Article Nanoscience & Nanotechnology

High-Efficiency Perovskite Quantum-Dot Light-Emitting Devices by Effective Washing Process and Interfacial Energy Level Alignment

Takayuki Chiba et al.

ACS APPLIED MATERIALS & INTERFACES (2017)

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Article Chemistry, Multidisciplinary

Fully Printed Halide Perovskite Light-Emitting Diodes with Silver Nanowire Electrodes

Sri Ganesh R. Bade et al.

ACS NANO (2016)

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Article Chemistry, Multidisciplinary

High-Efficiency Light-Emitting Diodes of Organometal Halide Perovskite Amorphous Nanoparticles

Jun Xing et al.

ACS NANO (2016)

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Highly Efficient Perovskite-Quantum-Dot Light-Emitting Diodes by Surface Engineering

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Monodisperse Formamidinium Lead Bromide Nanocrystals with Bright and Stable Green Photoluminescence

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Enhancing the Brightness of Cesium Lead Halide Perovskite Nanocrystal Based Green Light-Emitting Devices through the Interface Engineering with Perfluorinated lonomer

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Perovskite light-emitting diodes based on solution-processed self-organized multiple quantum wells

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NATURE PHOTONICS (2016)

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Morphology Engineering for High-Performance and Multicolored Perovskite Light-Emitting Diodes with Simple Device Structures

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SMALL (2016)

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High brightness formamidinium lead bromide perovskite nanocrystal light emitting devices

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SCIENTIFIC REPORTS (2016)

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Hybrid organic-inorganic perovskites: low-cost semiconductors with intriguing charge-transport properties

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NATURE REVIEWS MATERIALS (2016)

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Interfacial Control Toward Efficient and Low-Voltage Perovskite Light-Emitting Diodes

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ADVANCED MATERIALS (2015)

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Quantum Dot Light-Emitting Diodes Based on Inorganic Perovskite Cesium Lead Halides (CsPbX3)

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ADVANCED MATERIALS (2015)

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2D Homologous Perovskites as Light-Absorbing Materials for Solar Cell Applications

Duyen H. Cao et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2015)

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Fast Anion-Exchange in Highly Luminescent Nanocrystals of Cesium Lead Halide Perovskites (CsPbX3, X = Cl, Br, I)

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Multicolored Organic/Inorganic Hybrid Perovskite Light-Emitting Diodes

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ADVANCED MATERIALS (2015)

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A Layered Hybrid Perovskite Solar-Cell Absorber with Enhanced Moisture Stability

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ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2014)

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Bright light-emitting diodes based on organometal halide perovskite

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NATURE NANOTECHNOLOGY (2014)

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The emergence of perovskite solar cells

Martin A. Green et al.

NATURE PHOTONICS (2014)

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Efficient Hybrid Solar Cells Based on Meso-Superstructured Organometal Halide Perovskites

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Tolerance factor and the stability discussion of ABO3-type ilmenite

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Templating and structural engineering in organic-inorganic perovskites

DB Mitzi

JOURNAL OF THE CHEMICAL SOCIETY-DALTON TRANSACTIONS (2001)

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