Bright Cyan-Emissive Copper(I)-Halide Single Crystals for Multi-Functional Applications

Article Engineering, Environmental

Environmentally stable one-dimensional copper halide based ultra-flexible composite film for low-cost X-ray imaging screens

Lili Han et al.

Summary: A low-cost synthesis method was used to prepare Rb2CuBr3 scintillator films with excellent optical properties and high stability, showing great potential for flexible X-ray detection applications.

CHEMICAL ENGINEERING JOURNAL (2022)

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Article Materials Science, Multidisciplinary

Emission-Color-Tunable Pb-Sn Alloyed Single Crystals with High Luminescent Efficiency and Stability

Jin-Feng Liao et al.

Summary: This study reports a color-tunable phosphor with multiple emissive materials, which can be used in various applications. The phosphor shows high luminescent efficiency and stability, and can emit different colors of light by adjusting the composition, excitation wavelength, temperature, or time gating. It is further applied in multifunctional applications such as luminescent radiometric thermometer, white light emitter, and high-security anti-counterfeit materials.

ADVANCED OPTICAL MATERIALS (2022)

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Article Materials Science, Multidisciplinary

Te4+-doped Cs2InCl5•H2O single crystals for remote optical thermometry

Jun-Hua Wei et al.

Summary: Zero-dimensional metal halide perovskites, especially those with the ns(2) electronic configuration, are of great interest for their high-temperature sensitive photoluminescence properties. Te4+ doped Cs2InCl5·H2O single crystals exhibit a strong temperature-dependent photoluminescence lifetime, showing potential advantages for remote optical thermometry (ROT) applications. The strong phonon-exciton coupling and specific sensitivity at 320K demonstrate the promising prospects of indium-based metal halide perovskites in ROT applications.

SCIENCE CHINA-MATERIALS (2022)

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Article Engineering, Environmental

Highly emissive zero-dimensional antimony halide for anti-counterfeiting and confidential information encryption-decryption

Jian-Qiang Zhao et al.

Summary: This study proposes a controllable information encryption-decryption method based on a reversible photoluminescence switch using 0D hybrid antimony halide, which ensures efficient protection and decoding of confidential information.

CHEMICAL ENGINEERING JOURNAL (2022)

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Article Chemistry, Multidisciplinary

Dual-Protected Metal Halide Perovskite Nanosheets with an Enhanced Set of Stabilities

Yanjie He et al.

Summary: A robust amphiphilic-diblock-copolymer-enabled strategy has been developed for crafting highly-stable anisotropic CsPbBr3 nanosheets. These dual-protected nanosheets exhibit remarkable stabilities and find application in white-light-emitting diodes.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2021)

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Review Chemistry, Multidisciplinary

Doping Lanthanide Ions in Colloidal Semiconductor Nanocrystals for Brighter Photoluminescence

Riccardo Marin et al.

Summary: The spectrally narrow and long-lived luminescence of lanthanide ions makes optical nanomaterials based on these elements attractive. CB colloidal lanthanide-doped semiconductor nanocrystals show potential in light energy transfer, but current limitations in variety and efficiency hinder their widespread use.

CHEMICAL REVIEWS (2021)

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Article Chemistry, Multidisciplinary

Oriented-Structured CsCu2I3 Film by Close-Space Sublimation and Nanoscale Seed Screening for High-Resolution X-ray Imaging

Muyi Zhang et al.

Summary: The all-inorganic lead-free halides Cs-Cu-I system, consisting of Cs3Cu2I5 and CsCu2I3, has been attracting attention for their good photophysical characteristics, with potential applications in light-emitting devices. This study focuses on the CsCu2I3 compound and its use in X-ray scintillator detectors, leveraging its one-dimensional crystal structure, congruent-melting feature, and high spectral matching to photosensors. By utilizing an oriented nanorod structure and novel fabrication techniques, a CsCu2I3 detector achieved high spatial resolution of 7.5 Ip mm(-1) in X-ray imaging.

NANO LETTERS (2021)

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Article Multidisciplinary Sciences

Radiative lifetime-encoded unicolour security tags using perovskite nanocrystals

Sergii Yakunin et al.

Summary: The study presents a novel electrohydrodynamically printed unicolour multi-fluorescent-lifetime security tag system based on lead-halide perovskite nanocrystals, which can be deciphered using various imaging techniques.

NATURE COMMUNICATIONS (2021)

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Article Chemistry, Multidisciplinary

Activation of Self-Trapped Emission in Stable Bismuth-Halide Perovskite by Suppressing Strong Exciton-Phonon Coupling

Lei Zhou et al.

Summary: Introducing Sb3+ ions effectively suppresses the strong exciton-phonon interactions, leading to improved optical performance and the creation of a novel non-emissive perovskite material with stable yellow emission.

ADVANCED FUNCTIONAL MATERIALS (2021)

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Article Chemistry, Multidisciplinary

Composition-Dependent Photoluminescence Properties and Anti-Counterfeiting Applications of A2AgX3 (A = Rb, Cs; X = Cl, Br, I)

Pawan Kumar et al.

Summary: This study reports the preparation of silver(I) halides A(2)AgX(3) through solid-state synthesis and their potential attractiveness for optical applications, with excellent light emission properties, significantly improved stability, and tunable light emission properties demonstrated by A(2)AgX(3).

ADVANCED FUNCTIONAL MATERIALS (2021)

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Review Chemistry, Multidisciplinary

Recent Advances in Synthesis, Properties, and Applications of Metal Halide Perovskite Nanocrystals/Polymer Nanocomposites

Shuang Liang et al.

Summary: Metal halide perovskite nanocrystals combined with polymers create nanocomposites with unique optoelectronic properties, promising applications in various fields like displays, lighting, sensing, biomedical technologies, and energy conversion. The recent advances in synthetic strategies, properties, and applications of metal halide PNC/polymer nanocomposites are highlighted, with an outlook on future research directions and challenges.

ADVANCED MATERIALS (2021)

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Article Chemistry, Multidisciplinary

Introducing Intermolecular Cation-π Interactions for Water-Stable Low Dimensional Hybrid Lead Halide Perovskites

Tariq Sheikh et al.

Summary: The study introduces long-range cation-pi interactions to stabilize hybrid lead halide perovskites in water, achieving complete stability after six months of continuous water treatment without the need for encapsulation. Experimental methods reveal the potential applications of cation-pi interactions in designing more water-stable low-dimensional hybrid perovskite compositions.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2021)

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Article Chemistry, Physical

Polymer-Ligated Uniform Lead Chalcogenide Nanoparticles with Tunable Size and Robust Stability Enabled by Judiciously Designed Surface Chemistry

Shuang Liang et al.

Summary: This study presents a unique strategy using starlike block copolymers as nanoreactors to synthesize uniform lead chalcogenide nanoparticles with tailored sizes, surface chemistry, near-infrared optoelectronic properties, and enhanced stability. The resulting nanoparticles show progressive red shift in NIR absorption and emission, and remarkably improved stability against air exposure compared to conventional ligand-capped counterparts. This approach can be extended to synthesize functional nanoparticles and investigate their physical properties, self-assembly, and applications.

CHEMISTRY OF MATERIALS (2021)

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Article Chemistry, Physical

Ultra-Broad-Band-Excitable Cu(I)-Based Organometallic Halide with Near-Unity Emission for Light-Emitting Diode Applications

Jinglong Huang et al.

Summary: This study presents a zero-dimensional Cu(I)-based organometallic halide with high photoluminescence quantum yield and a broad excitation band, showing potential for designing high-performance luminescent metal halides for white light-emitting diodes.

CHEMISTRY OF MATERIALS (2021)

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Article Chemistry, Physical

Low Barrier for Exciton Self-Trapping Enables High Photoluminescence Quantum Yield in Cs3Cu2I5

Young-Kwang Jung et al.

Summary: The metal halide Cs3Cu2I5 exhibits anomalous optical properties with high efficiency blue luminescence and an optical absorption onset in the ultraviolet region. The quantum yield of blue emission is sensitive to the excited carrier density due to the competition between exciton self-trapping and band-to-band radiative recombination, which is associated with low energy barrier for exciton self-trapping related to Cu-Cu dimerization.

JOURNAL OF PHYSICAL CHEMISTRY LETTERS (2021)

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Article Chemistry, Multidisciplinary

Unclonable Micro-Texture with Clonable Micro-Shape towards Rapid, Convenient, and Low-Cost Fluorescent Anti-Counterfeiting Labels

Yuhong Lin et al.

Summary: A new type of PUF anti-counterfeiting label is introduced with high modifiability, low reagent cost, fast authentication, and high encoding capacity. By preparing various shapes of crystal film profiles, the verification time of the recognition technology based on this strategy can be reduced.

SMALL (2021)

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Article Multidisciplinary Sciences

Mn2+ induced significant improvement and robust stability of radioluminescence in Cs3Cu2I5 for high-performance nuclear battery

Xiaoming Li et al.

Summary: A Cs3Cu2I5:Mn scintillator with high light yield and thermal stability is introduced in this paper, which can improve the output efficiency of nuclear batteries. The mechanisms of radioluminescence enhancement are proposed.

NATURE COMMUNICATIONS (2021)

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Review Materials Science, Multidisciplinary

An Overview for Zero-Dimensional Broadband Emissive Metal-Halide Single Crystals

Lei Zhou et al.

Summary: Low-dimensional metal-halide single crystals, particularly the zero-dimensional materials, have shown promising light emission properties with broad luminescence spectra and high color rendition. Despite the strong quantum confinement and electron-phonon coupling, the exploration of 0D structures remains limited.

ADVANCED OPTICAL MATERIALS (2021)

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Article Multidisciplinary Sciences

Indium-antimony-halide single crystals for high-efficiency white-light emission and anti-counterfeiting

Jun-Hua Wei et al.

Summary: This study reports a series of zero-dimensional indium-antimony alloyed halide single crystals with tunable emission, showing bright yellow emission at 320 nm excitation and bright white-light emission at 365 nm excitation. The blue emission associated with BAPP(4+) and the orange emission from inorganic polyhedron function as a pair of complementary colors affording white light. Additionally, the materials exhibit interesting afterglow behavior and excitation-dependent emission property, making them high-performance anti-counterfeiting/information storage materials.

SCIENCE ADVANCES (2021)

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Article Materials Science, Multidisciplinary

Rb2CuX3 (X = Cl, Br): 1D All-Inorganic Copper Halides with Ultrabright Blue Emission and Up-Conversion Photoluminescence

Tielyr D. Creason et al.

ADVANCED OPTICAL MATERIALS (2020)

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Article Chemistry, Multidisciplinary

Shining Emitter in a Stable Host: Design of Halide Perovskite Scintillators for X-ray Imaging from Commercial Concept

Fei Cao et al.

ACS NANO (2020)

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Article Chemistry, Multidisciplinary

Doped Lead Halide White Phosphors for Very High Efficiency and Ultra-High Color Rendering

Hailong Yuan et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2020)

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Article Chemistry, Multidisciplinary

All-Inorganic Lead-Free 0D Perovskites by a Doping Strategy to Achieve a PLQY Boost from <2 % to 90 %

Peigeng Han et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2020)

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Article Chemistry, Physical

Photophysics in Cs3Cu2X5 (X = Cl, Br, or I): Highly Luminescent Self-Trapped Excitons from Local Structure Symmetrization

Linyuan Lian et al.

CHEMISTRY OF MATERIALS (2020)

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Article Chemistry, Physical

Highly Efficient Self-Trapped Exciton Emission of a (MA)4Cu2Br6 Single Crystal

Hui Peng et al.

JOURNAL OF PHYSICAL CHEMISTRY LETTERS (2020)

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Article Chemistry, Physical

Highly Efficient Lead-Free (Bi,Ce)-Codoped Cs2Ag0.4Na0.6InCl6 Double Perovskites for White Light-Emitting Diodes

Chun-Yun Wang et al.

CHEMISTRY OF MATERIALS (2020)

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Review Chemistry, Multidisciplinary

Photoluminescent and Chromic Nanomaterials for Anticounterfeiting Technologies: Recent Advances and Future Challenges

Amin Abdollahi et al.

ACS NANO (2020)

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Efficient Thermally Activated Delayed Fluorescence from All-Inorganic Cesium Zirconium Halide Perovskite Nanocrystals

Siping Liu et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2020)

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Article Chemistry, Physical

Upconversion ladder enabled super-sensitive narrowband near-infrared photodetectors based on rare earth doped florine perovskite nanocrystals

Nan Ding et al.

NANO ENERGY (2020)

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High Photoluminescence Quantum Yield (>95%) of MAPbBr3 Nanocrystals via Reprecipitation from Methylamine-MAPbBr3 Liquid

Jun-Hua Wei et al.

ACS APPLIED ELECTRONIC MATERIALS (2020)

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Article Materials Science, Multidisciplinary

All-Inorganic Lead-Free Heterometallic Cs4MnBi2Cl12 Perovskite Single Crystal with Highly Efficient Orange Emission

Jun-Hua Wei et al.

MATTER (2020)

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From OD Cs3Bi2I9 to 2D Cs3Bi2I6Cl3: Dimensional Expansion Induces a Direct Band Gap but Enhances Electron Phonon Coupling

Kyle M. McCall et al.

CHEMISTRY OF MATERIALS (2019)

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Hybrid Chloroantimonates(III): Thermally Induced Triple-Mode Reversible Luminescent Switching and Laser- Printable Rewritable Luminescent Paper

Zeping Wang et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2019)

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Lead-Free Halide Rb2CuBr3 as Sensitive X-Ray Scintillator

Bo Yang et al.

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Multiresponsive UV-One-Photon Absorption, Near-Infrared-Two Photon Absorption, and X/γ-Photoelectric Absorption Luminescence in One [Cu4I4] Compound

Shao-Yun Yin et al.

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Charge-Carrier Dynamics of Lead-Free Halide Perovskite Nanocrystals

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Intrinsic Self-Trapped Emission in 0D Lead-Free (C4H14N2)2In2Br10 Single Crystal

Lei Zhou et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2019)

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Solvent-Free-Synthesis and Thin-Film Deposition Of Cesium Copper Halides with Bright Blue Photoluminescence

Paz Sebastia-Luna et al.

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Colloidal Synthesis and Charge-Carrier Dynamics of Cs2AgSb1-yBiyX6 (X: Br, Cl; 0 ≤y ≤1) Double Perovskite Nanocrystals

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Metal Halide Perovskite Nanosheet for X-ray High-Resolution Scintillation Imaging Screens

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Taehwan Jun et al.

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Bright Cyan-Emissive Copper(I)-Halide Single Crystals for Multi-Functional Applications

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