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Article
Multidisciplinary Sciences
Shuai You et al.
Summary: High-quality perovskite light harvesters and robust organic hole extraction layers are necessary for high-performing perovskite solar cells (PSCs). The introduction of a phosphonic acid-functionalized fullerene derivative as a grain boundary modulator in mixed-cation perovskites enhances the film's tolerance against illumination, heat, and moisture. Additionally, a redox-active radical polymer, poly(oxoammonium salt), effectively p-dopes the hole-transporting material and reduces lithium ion diffusion. PSCs with power conversion efficiencies of 23.5% for 1-square-centimeter mixed-cation-anion PSCs and 21.4% for 17.1-square-centimeter minimodules were achieved, with a 95.5% retention of initial efficiencies after 3265 hours of continuous 1-sun illumination at 70±5℃.
Article
Chemistry, Physical
Bin Liu et al.
Summary: Double-layer modification engineering strategy using natural vitamins is employed to enhance the efficiency and stability of perovskite solar cells (PSCs). Vitamin C (VC) improves electron mobility and charge transfer, while Vitamin D2 (VD2) changes the surface energetics of perovskite and increases hole extraction efficiency.
ADVANCED ENERGY MATERIALS
(2023)
Article
Chemistry, Physical
Yanqing Zhu et al.
Summary: Surface passivation with a bulky fluorinated phenmethylammonium salt is found to enhance the performance of perovskite solar cells by reducing defects, suppressing recombination, and improving interfacial charge transfer. The efficiency of small-area devices increased from 20.7 +/- 0.9% to 22.8 +/- 0.4%, and a stabilized efficiency of 18.0% was achieved for larger-area modules. Additionally, non-encapsulated modules showed improved stability at ambient conditions.
ADVANCED ENERGY MATERIALS
(2023)
Article
Chemistry, Physical
Yong Li et al.
Summary: This study introduces the use of a plant-derived natural green additive, l-Theanine, to improve the crystal quality and stability of perovskite solar cells. The additive was found to inhibit metal precipitation, passivate ions, and enhance nucleation and crystallization of the perovskite absorber. The efficiency of the solar cells was improved, and the additive also alleviated phase transition and film decomposition induced by UV/O-3 treatment.
ADVANCED ENERGY MATERIALS
(2023)
Article
Chemistry, Physical
Yeyong Wu et al.
Summary: Flexible perovskite solar cells are a promising option to complement silicon solar cells in the photovoltaic market, but their power conversion efficiencies and mechanical stability are lower than industry standards. By using an in situ crosslinking bis((3-methyl-oxetan-3-yl) methyl) thiophene-2,5-dicarboxylate, the quality of perovskite can be finely regulated in real time. The resulting perovskite film exhibits enhanced grain size, compact stacking, and a preferential crystal orientation, while the crosslinked elastomer polymer effectively releases mechanical stress. This leads to a flexible perovskite solar cell with a record power conversion efficiency of 23.4% (certified 22.9%) and robust bending durability.
Article
Chemistry, Multidisciplinary
Xin Li et al.
Summary: A surface reconstruction strategy is developed to achieve strain-free perovskite films with reduced defect density, suppressed ion migration, and improved energy level alignment. The resulting single-junction perovskite solar cells maintain high performance after prolonged storage and the monolithic perovskite/silicon tandems demonstrate a certified stabilized PCE of 29.0% even without UV filtering after continuous xenon-lamp illumination.
ADVANCED MATERIALS
(2023)
Article
Chemistry, Multidisciplinary
Tengteng Yang et al.
Summary: In this study, lead (II) 2-ethylhexanoate (LDE) was introduced into perovskite films via an antisolvent process to improve the crystallization process and quality of the films. The coordination between the carboxyl functional group and Pb cation reduced defect density, while the long alkyl chains formed a protective layer on the surface to enhance stability. Consequently, the assembled device achieved a power conversion efficiency of 24.84% with improved thermal and operational stability due to reduced ion-migration channels.
ADVANCED MATERIALS
(2023)
Article
Chemistry, Multidisciplinary
Qingbin Cao et al.
Summary: A novel air cathode for rechargeable zinc-air batteries (ZABs) is designed and synthesized by finely tuning the fluorinated nanopores of a covalent organic framework (COF). The COF nanosheets decorated with fluorinated alkyl chains provide well-defined O-2-transport channels and significantly enlarge the area of three-phase boundaries, promoting mass-transfer. The ZABs based on the COF-modified air cathode exhibit a small charge/discharge voltage gap, high peak power density, and stable cyclability. This work provides a feasible approach for the design of high-performance ZABs and expands the new application of COFs.
ADVANCED MATERIALS
(2023)
Article
Chemistry, Multidisciplinary
Jianguo Sun et al.
Summary: Solution processable semiconductors like organics and emerging lead halide perovskites (LHPs) are ideal candidates for photovoltaics. This study investigates a novel device architecture involving block copolymer/perovskite hybrid bulk heterointerfaces, which enhances light absorption, energy level cascade, and provides a thin hydrophobic layer to improve carrier generation and prevent moisture invasion. The resulting hybrid solar cell exhibits high efficiency and stability, and the approach can be extended to other LHPs.
ADVANCED MATERIALS
(2023)
Article
Multidisciplinary Sciences
Jaewang Park et al.
Summary: Controlling the crystallinity and surface morphology of perovskite layers is crucial for achieving high-efficiency perovskite solar cells. By adding alkylammonium chlorides (RACl) to a-formamidinium lead iodide (FAPbI(3)), the crystallization process and surface morphology of the perovskite thin films can be controlled. The resulting perovskite thin layers facilitate the fabrication of perovskite solar cells with a high power-conversion efficiency of 26.08%.
Article
Chemistry, Multidisciplinary
Yuhong Zhang et al.
Summary: By introducing vertical graded PbI2 distribution and capping a cis-Ru(H(2)dcbpy)(dnbpy)(NCS)(2) (Z907) internal encapsulation layer, the photoinstability, hysteresis, and humidity-related degradation issues caused by excess PbI2 in perovskite solar cells (PSCs) can be improved.
ADVANCED FUNCTIONAL MATERIALS
(2023)
Article
Chemistry, Multidisciplinary
Lu Yang et al.
Summary: Judicious tailoring of the SnO2/perovskite interface using DL-dimer passivation can significantly improve the efficiency and stability of perovskite solar cells. The DL-dimer provides better passivation of defects in both the SnO2 and perovskite films, resulting in improved quality of the perovskite film. The DL-treated device achieves an impressive V-OC of 1.20V and a PCE of 25.24%, which is a record value among all reported PSCs.
ADVANCED MATERIALS
(2023)
Article
Chemistry, Multidisciplinary
Yao Wang et al.
Summary: All-inorganic CsPbX3 perovskite quantum dots with tunable optical bandgaps and narrow emission peaks have attracted interest in the fields of photovoltaics and light-emitting diodes. The CsPbI3 perovskite QD solar cell, fabricated through a solid-state-ligand exchange process, demonstrates high PV performance and intense electroluminescence. This multifunctional approach using CsPbI3 perovskite QDs shows promise for fabricating optoelectronic devices.
ADVANCED FUNCTIONAL MATERIALS
(2022)
Article
Multidisciplinary Sciences
Xiaodong Li et al.
Summary: A stable perovskite heterojunction was achieved in inverted solar cells by sulfidating the surface of lead-rich perovskite films, resulting in improved power conversion efficiency and open-circuit voltage.
Article
Chemistry, Multidisciplinary
Chun-Hao Chen et al.
Summary: This article discusses a full-dimensional grain boundary stress release strategy for flexible perovskite indoor photovoltaics. By using borax as a 3D crosslinking agent, the mechanical and phase stabilities of the perovskite films are improved. The fabricated devices show high conversion efficiencies under indoor conditions.
ADVANCED MATERIALS
(2022)
Article
Chemistry, Multidisciplinary
Lina Wang et al.
Summary: This research presents a strain modulation strategy to fabricate light-stable perovskite/silicon tandem solar cells. By converting residual tensile strain to compressive strain, the cells achieve a high power conversion efficiency and improved light stability.
ADVANCED MATERIALS
(2022)
Article
Chemistry, Multidisciplinary
Yiting Jiang et al.
Summary: A series of fullerene dyads were designed and used as electron transport materials in inverted perovskite solar cells. Among them, FP-C8 showed the best performance in terms of energy disorder and morphological stability. Devices using FP-C8 as the electron transport material achieved higher power conversion efficiency compared to those using traditional PCBM. Moreover, FP-C8-based devices exhibited better moisture and thermal stability.
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
(2022)
Article
Multidisciplinary Sciences
Zhen Li et al.
Summary: Functionalizing the interfaces of multication and halide perovskite solar cells with an organometallic compound, ferrocenyl-bis-thiophene-2-carboxylate (FcTc(2)), enhances their efficiency and stability. The resulting devices exhibit high performance and stability, as demonstrated by tests and continuous operation.
Article
Chemistry, Physical
Ning Yang et al.
Summary: A solution for improving the thermal stability of hybrid perovskite solar cells (PSCs) is reported. By introducing hexagonal boron nitride (h-BN) inside the device and a radiator fin outside, the dissipated heat within the absorber can be rapidly removed, effectively reducing the cell temperature. The study shows that this strategy significantly improves the thermal conductivity of perovskite and prolongs the lifetime of PSCs.
ADVANCED ENERGY MATERIALS
(2022)
Article
Chemistry, Physical
Jiaqi Zhang et al.
Summary: In this study, the issues of interfacial lattice mismatch and adverse reaction in nickel oxide-based inverted perovskite solar cells are addressed by using a self-assembled small molecule CBSA, achieving high conversion efficiency and excellent stability.
ADVANCED ENERGY MATERIALS
(2022)
Article
Chemistry, Physical
Yiming Li et al.
Summary: Researchers have developed a dual-functional additive that can regulate the crystallization and defects of FA-Cs perovskite film, resulting in improved efficiency and stability of perovskite solar cells.
Article
Multidisciplinary Sciences
Yang Zhao et al.
Summary: In halide perovskite solar cells, introducing RbCl doping effectively stabilizes the perovskite phase by converting excess PbI2 into an inactive compound. This strategy achieved a certified PCE of 25.6% for FAPbI(3) perovskite solar cells, with high device stability and minimal hysteresis effects.
Article
Chemistry, Physical
Riming Nie et al.
Summary: The power conversion efficiency of perovskite solar cells has significantly improved over the past decade. However, to further enhance efficiency, it is important to address the long-term stability of perovskite materials. This study presents a new approach by synthesizing covalent organic frameworks, which effectively suppress charge recombination and degradation, leading to higher efficiency and stability in perovskite solar cells.
ADVANCED ENERGY MATERIALS
(2022)
Article
Chemistry, Physical
Hanul Min et al.
Summary: This study investigates the properties of spin-coated perovskite thin films by adding trioctylphosphine (TOP) as a neutral ligand to the precursor solution. It is found that TOP alleviates the preferred orientation caused by grain boundary defects and reduces microstrain, leading to improved performance of perovskite thin films and higher efficiency of perovskite solar cells.
Article
Chemistry, Multidisciplinary
Zhenghong Dai et al.
Summary: This study enhances the mechanical and optoelectronic properties of two key interfaces in flexible perovskite solar cells. The new class of dual-interface-reinforced f-PSCs exhibits high power-conversion efficiency, improved operational stability, and enhanced mechanical reliability.
ADVANCED MATERIALS
(2022)
Article
Multidisciplinary Sciences
Qi Jiang et al.
Summary: In this study, a reactive surface engineering approach was used to enhance the performance of perovskite solar cells with an inverted structure. The resulting p-i-n solar cells showed a high power conversion efficiency of over 25% and remained stable after long-term operation under extreme conditions.
Article
Multidisciplinary Sciences
Siraj Sidhik et al.
Summary: Realizing solution-processed heterostructures in halide perovskites is a long-standing challenge due to solvent incompatibilities. However, by utilizing the solvent dielectric constant and Gutmann donor number, it is possible to grow phase-pure two-dimensional (2D) halide perovskite stacks with desired composition, thickness, and bandgap onto 3D perovskites without dissolving the underlying substrate. The thickness dependence of the 2D perovskite layer shows expected trends for different device architectures, indicating the influence of band alignment and carrier transport limits.
Article
Chemistry, Physical
Junshuai Zhang et al.
Summary: Researchers have developed a method to suppress halide segregation by constructing conjugated covalent organic frameworks. This method effectively solidifies the material structure, slows down the light-induced segregation process, and improves the efficiency and stability of solar cells.
ACS ENERGY LETTERS
(2022)
Review
Chemistry, Physical
Loreta A. Muscarella et al.
Summary: This perspective highlights the strategies to manipulate strain in lead halide perovskites at different length scales, and the effects of compressive and tensile strain on ion migration and phase segregation. The role of lattice polarizability and reduced unit cell volume in suppressing phase segregation is emphasized. The potential of using the apparent weaknesses of this class of materials (softness and phase segregation) as a strength is also discussed.
Article
Chemistry, Multidisciplinary
Qifan Feng et al.
Summary: This study proposes a strategy using PbI6 octahedra-governing with functional synergism of cations and anions to protect unstable PbI6 octahedral frameworks in perovskite-photovoltaic applications. The strategy effectively passivates defects and stabilizes the octahedral structure, leading to high power conversion efficiency and stable continuous output in the modified modules. The anchoring-polymerization protection strategy also shows potential for building stable and practical perovskite photovoltaics.
ENERGY & ENVIRONMENTAL SCIENCE
(2022)
Article
Chemistry, Multidisciplinary
Yuhui Ma et al.
Summary: While the passivation effect of polymers with large and small dipole moments on MAPbI(3) perovskite films is negligible, they can significantly improve the stability of photovoltaic devices under continuous light irradiation. The additives are able to strongly suppress ion migration, enhancing the electrical-field stress tolerance of perovskite solar cells.
ADVANCED FUNCTIONAL MATERIALS
(2021)
Article
Chemistry, Multidisciplinary
Xufeng Ling et al.
Summary: A combined strategy of precursor engineering and grain anchoring was successfully used to prepare stable alpha-FAPbI(3) films, leading to a significant increase in efficiency for FAPbI(3) perovskite solar cells and exhibiting good thermal stability.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2021)
Article
Multidisciplinary Sciences
Hanul Min et al.
Summary: By introducing an interlayer between the electron-transporting and perovskite layers in perovskite solar cells, researchers have successfully enhanced charge extraction and transport from the perovskite, leading to higher power conversion efficiency and fewer interfacial defects. The coherent interlayer allowed the fabrication of devices with a certified efficiency of 25.5%, which maintained about 90% of its initial efficiency even after continuous light exposure for 500 hours. The findings provide guidelines for designing defect-minimizing interfaces in metal halide perovskites and electron-transporting layers.
Article
Multidisciplinary Sciences
Jingwei Hou et al.
Summary: By utilizing metal-organic framework glasses, a family of scalable composites was created to stabilize lead halide perovskite's nonequilibrium phases, resulting in bright photoluminescence and high stability.
Article
Chemistry, Multidisciplinary
Chong Dong et al.
Summary: Perovskite (PVSK) photovoltaics show promising performances in renewable energy, but stability remains a challenge. Introducing tomato lycopene as a modification layer can enhance both intrinsic and environmental stabilities of PVSK materials, leading to improved efficiency.
ADVANCED FUNCTIONAL MATERIALS
(2021)
Article
Multidisciplinary Sciences
Zhenghong Dai et al.
Summary: The use of iodine-terminated self-assembled monolayer (I-SAM) in perovskite solar cells (PSCs) leads to increased adhesion toughness at the interface, improved power conversion efficiency, reduced hysteresis, and enhanced operational stability. This is attributed to a decrease in hydroxyl groups at the interface and higher interfacial toughness achieved with I-SAM treatment.
Article
Chemistry, Multidisciplinary
Jie Dou et al.
Summary: The introduction of an ultrathin Eu-MOF layer in perovskite solar cells has been shown to enhance device stability and light utilization by reducing defect concentration, improving carrier transport, and utilizing the Forster resonance energy transfer effect. This leads to a champion power conversion efficiency of 22.16% and excellent device stability, with 96% of original PCE retained after 2000 hours under 30% relative humidity and 91% retained after 1200 hours at 85 degrees C in N-2 environment.
ADVANCED MATERIALS
(2021)
Article
Chemistry, Multidisciplinary
Zhihao Zhang et al.
Summary: This study uses two structurally similar polyaromatic molecules to improve the lifetime and efficiency of perovskite solar cells, successfully designing a more effective passivator and achieving higher device efficiency.
ADVANCED MATERIALS
(2021)
Article
Chemistry, Physical
Genping Meng et al.
Summary: This study demonstrates a simple and versatile method to grow CsPbX3 perovskite quantum dots into ordered mesopores, forming emission-tunable antennas with enhanced photoluminescence quantum yield and thermal stability. By tailoring the halogen component, the emission spectra of embedded perovskite quantum dots were precisely tuned, showing excellent catalytic activity in photochemical reactions.
JOURNAL OF MATERIALS CHEMISTRY A
(2021)
Article
Chemistry, Physical
Jianguo Sun et al.
Summary: A penetrated 2D/3D heterojunction strategy was developed to stabilize the crystal structure and improve the efficiency of organic-inorganic hybrid lead halide perovskite solar cells. By using organic halides like dimethylammonium iodide, a significant enhancement in performance was achieved. After 1000 hours of aging in air, the device with the 2D/3D heterojunction retained 80% of its initial efficiency, demonstrating superior stability compared to the control device.
JOURNAL OF MATERIALS CHEMISTRY A
(2021)
Review
Chemistry, Multidisciplinary
Sandy Sanchez et al.
Summary: The use of a solution process to grow perovskite thin films extends material processability and allows tuning of physicochemical properties by controlling crystal growth. Controlling crystal growth with rapid thermal annealing and high-precision photonic sintering simplifies experimental frameworks, opening up new synthesis methods. This knowledge improves perovskite synthesis and thin film quality, leading to higher device performances.
CHEMICAL SOCIETY REVIEWS
(2021)
Article
Chemistry, Multidisciplinary
Jincheol Kim et al.
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
(2020)
Article
Chemistry, Multidisciplinary
Cong-Cong Zhang et al.
ADVANCED MATERIALS
(2020)
Article
Nanoscience & Nanotechnology
Shengfan Wu et al.
NATURE NANOTECHNOLOGY
(2020)
Article
Multidisciplinary Sciences
Yuhang Liu et al.
Article
Multidisciplinary Sciences
Rui Wang et al.
Article
Chemistry, Multidisciplinary
Chenyu Wu et al.
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
(2018)
Article
Energy & Fuels
Xiaopeng Zheng et al.
Review
Chemistry, Multidisciplinary
Bayrammurad Saparov et al.
Article
Chemistry, Multidisciplinary
Michael Saliba et al.
ENERGY & ENVIRONMENTAL SCIENCE
(2016)
Review
Optics
Martin A. Green et al.
Article
Multidisciplinary Sciences
Julian Burschka et al.
Article
Multidisciplinary Sciences
Michael M. Lee et al.
