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Review
Chemistry, Physical
Shaomin Yang et al.
Summary: All-inorganic CsPbX3 perovskites have attracted significant attention in recent years due to their excellent optoelectronic properties and wide range of applications. This review provides a brief introduction to the fundamental properties of CsPbX3 perovskites and summarizes the recent progress in crystallization modulation strategies for high-quality CsPbX3 films. The potential methods for improving the efficiency of inorganic PSCs are also discussed, offering insights into the future development prospects.
ADVANCED ENERGY MATERIALS
(2023)
Review
Chemistry, Multidisciplinary
Zhihao Zhang et al.
Summary: Lead halide perovskite solar cells have achieved significant progress in efficiency and stability. This review discusses various passivation strategies to address the challenges of defects, charge recombination, and stability in perovskite materials. The article also highlights the need for advanced characterization techniques to understand the mechanisms behind the passivation strategies, and proposes future research directions.
CHEMICAL SOCIETY REVIEWS
(2023)
Article
Chemistry, Multidisciplinary
Xuexia Lan et al.
Summary: This study demonstrates the breakthrough comprehensive performance of SnO2-Mo multilayers by carefully designing the interface structure, achieving high initial Coulombic efficiency, large capacity, and excellent cycling stability. The amorphous SnO2/Mo interfaces induced by oxygen redistribution can precisely adjust the reversible capacity and cycling stability, with stable capacities being parabolic with the interfacial density. This work provides new understandings of the interface-performance relationship of metal-oxide hybrid electrodes and offers important guidance for creating high-performance Li-ion batteries.
ADVANCED MATERIALS
(2022)
Article
Chemistry, Multidisciplinary
Zhuang Xiong et al.
Summary: In this study, a multifunctional interfacial material, BGCl, was introduced to modify the interface of perovskite solar cells. The BGCl improved electron extraction and crystal growth of perovskite by chemically linking to SnO2 and anchoring PbI2. This modification led to better energetic alignment, reduced interfacial defects, and homogeneous perovskite crystallites, resulting in highly efficient and stable performance.
ADVANCED MATERIALS
(2022)
Article
Chemistry, Multidisciplinary
Xiaoyuan Liu et al.
Summary: Defects and energy offsets at the interfaces of perovskite have a negative impact on the efficiency and stability of perovskite solar cells. In this study, an amphiphilic pi-conjugated ionic compound was designed to simultaneously address the defects and interface energy level misalignment. The modified perovskite solar cells showed improved efficiency and excellent thermal stability.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2022)
Article
Chemistry, Multidisciplinary
Zhichao Shen et al.
Summary: The use of perovskite crystal array (PCA) can improve the quality of perovskite solar cells' absorption layer by promoting a controlled bottom-up crystallization process, resulting in a perovskite film with high crystallinity and reduced grain boundaries. The solar cells based on this film achieved high power conversion efficiency and maintained their initial efficiency after long-term operation.
ENERGY & ENVIRONMENTAL SCIENCE
(2022)
Article
Chemistry, Multidisciplinary
Runnan Yu et al.
Summary: By introducing an anthraquinone derivative to passivate the surface defects of SnO2 ETLs, this study optimized the work function and improved the conductivity of the SnO2 layer. Systematic theoretical analysis and characterization studies confirmed stable coordination interactions between SnO2 and 1-DPAQ, filling the oxygen vacancy and effectively inhibiting charge recombination while enhancing charge collection ability.
ENERGY & ENVIRONMENTAL SCIENCE
(2022)
Article
Chemistry, Physical
Shaomin Yang et al.
Summary: In this study, a low-dimensional intermediate-assisted growth (LDIAG) method was developed to deposit high-quality and stable CsPbI2Br film in ambient atmosphere by introducing imidazole halide (IMX) to control nucleation and growth kinetics. The solar cell efficiency was improved to 17.26% using this method, showcasing potential for high-performance inorganic perovskite solar cells formed under ambient conditions.
ADVANCED ENERGY MATERIALS
(2022)
Article
Chemistry, Physical
Hang Xu et al.
Summary: By utilizing CsI-SnO2 complex as the buried interface for the electron transport layer, an effective strategy for enhancing the efficiency and stability of perovskite solar cells has been achieved. CsI modification facilitates perovskite film growth and defect passivation, while the gradient distribution of Cs+ contributes to suitable band alignment and enhanced resistance to UV exposure, resulting in significantly improved power conversion efficiency and UV stability for FAPbI(3)-based PSCs.
ADVANCED ENERGY MATERIALS
(2022)
Article
Chemistry, Physical
Yang Zhang et al.
Summary: This study demonstrates a strategy of molecularly tailoring the FAPbI(3)/SnO2 interface to enhance the stability of perovskite solar cells. By optimizing the configuration of C-O and C=O groups, the device achieved a champion power conversion efficiency of 23.5% and maintained good stability under continuous light illumination.
ACS ENERGY LETTERS
(2022)
Article
Chemistry, Multidisciplinary
Dongfang Xu et al.
Summary: This study demonstrates the use of functionalized Ti3C2Fx quantum dots as interface passivators to enhance the performance of CsPbI3 perovskite solar cells. The experimental results show that Ti3C2Fx quantum dots can tune energy levels, reduce defects, and form a barrier layer, leading to improved photovoltaic performance and stability.
ADVANCED FUNCTIONAL MATERIALS
(2022)
Article
Chemistry, Multidisciplinary
Zhi-Wen Gao et al.
Summary: The presence of interface defects in perovskite solar cells hinders their efficiency and stability. However, a multifunctional ion-lock layer can effectively reduce these defects, adjust the work function, and improve the performance and stability of the cells.
ADVANCED FUNCTIONAL MATERIALS
(2022)
Article
Chemistry, Multidisciplinary
Congbo Shi et al.
Summary: This study reports the stabilization of Formamidinium (FA)-based perovskite solar cells using a chemical modifier called BMI. By chemically bonding and compressing the perovskite lattice, the BMI modifier improves both the stability and power conversion efficiency of the solar cells. The findings demonstrate the synergistic effects of chemical interactions and physical regulations in enhancing the performance of perovskite-based optoelectronic devices.
ADVANCED FUNCTIONAL MATERIALS
(2022)
Article
Chemistry, Multidisciplinary
Lu Yang et al.
Summary: A novel compound HADI was designed to improve the efficiency and stability of flexible perovskite solar cells, showing significant roles in surface modification, passivation, and charge transfer. PSCs based on HADI-SnO2 electron transport layer exhibited outstanding performance.
ADVANCED MATERIALS
(2022)
Article
Chemistry, Multidisciplinary
Xinhui Luo et al.
Summary: In order to improve the efficiency of perovskite solar cells, two organic molecules are studied as passivators. The results show that the molecular geometry and intermolecular ordering are significant for effective passivation. During the crystallization process via liquid medium annealing, passivation molecules can form a uniform network that reduces recombination at the interface.
ADVANCED MATERIALS
(2022)
Article
Chemistry, Multidisciplinary
Jiale Liu et al.
Summary: This study demonstrates the use of magnesium (Mg) to manage oxygen vacancies (OVs) and achieve efficient printable perovskite solar cells (PSCs) with a high-temperature mesoporous SnO2 electron transport layer (ETL). The high-temperature annealing process reduces self-doping of SnO2 by reducing OVs, while the introduced Mg promotes OV formation. The synergistic effect of Mg on OVs increases carrier density and raises the Fermi level energy of the mp-SnO2 ETL, resulting in a significant improvement in device performance.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2022)
Article
Chemistry, Multidisciplinary
Hairui Liu et al.
Summary: The introduction of Y6 as a buffer layer for SnO2-based flexible perovskite solar cells enhances charge extraction ability, bending stability, and reduces internal stress of perovskite films. It also improves interfacial charge extraction and reduces defect density.
Article
Chemistry, Multidisciplinary
Qian Zhou et al.
Summary: In this study, a novel and effective steric-hindrance-dependent buried interface defect passivation and stress release strategy is reported, which utilizes adamantane derivative molecules to modify the SnO2/perovskite interface. The experimental and theoretical results confirm the steric-hindrance-dependent defect passivation effect and interfacial chemical interaction strength. The device performance is enhanced by mitigating interfacial strain and passivating interfacial defects. The ADAA-modified device achieves an impressive efficiency of 23.18%.
ADVANCED FUNCTIONAL MATERIALS
(2022)
Article
Chemistry, Multidisciplinary
Xiang Zhang et al.
Summary: Introducing potassium trifluoroacetate and 4-trifluorophenyl methylammonium bromide into CsPbI2Br perovskite solar cells improves the interfacial energy level alignment, film quality, passivation of defects, and suppression of charge recombination and ion migration, resulting in higher conversion efficiency and stability.
ADVANCED FUNCTIONAL MATERIALS
(2022)
Article
Chemistry, Multidisciplinary
Lipeng Wang et al.
Summary: This study reports the use of self-diffusion interfacial doping with ionic potassium L-aspartate to restrain carrier trap induced recombination in perovskite solar cells. The diffusion of potassium ions into the perovskite film provides an n-doping effect, leading to improved carrier transport efficiency and energy level alignment. The modified devices achieved high power conversion efficiency and enhanced stability.
ADVANCED FUNCTIONAL MATERIALS
(2022)
Article
Chemistry, Multidisciplinary
Zhixiao Qin et al.
Summary: The study introduces a method of using zwitterion-functionalized tin(IV) oxide as an electron-transport layer to induce the crystallization of high-quality black-phase FAPbI(3). The treated tin(IV) oxide rearranges residual lead iodide in the perovskite layer, reducing side effects and improving optoelectronic performance. The resulting perovskite solar cells show excellent power conversion efficiency and long-term stability.
ADVANCED MATERIALS
(2022)
Article
Multidisciplinary Sciences
Yang Bai et al.
Summary: The mixtures of cations and anions in hybrid halide perovskites for solar cells often undergo segregation, limiting device lifetime. By adding selenophene, the distribution of ions in the film becomes more homogeneous, resulting in improved efficiency and prolonged operational lifetime.
Review
Physics, Multidisciplinary
Chunxiong Bao et al.
Summary: In this article, we review the progress in defect-related physics and techniques for metal halide perovskites. We discuss the impact of defects on device performance and the mechanisms of defect treatment, and summarize the key challenges and opportunities of defects in the further development of perovskite optoelectronic devices.
REPORTS ON PROGRESS IN PHYSICS
(2022)
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
Sheng Zhan et al.
Summary: In this study, a bifunctional passivator, MBrA, was designed and used to modify FAMAPbI(3) perovskite material, reducing defect density, tuning energy levels, and improving the efficiency and stability of the solar cell.
ADVANCED ENERGY MATERIALS
(2022)
Article
Chemistry, Multidisciplinary
Ju-Hyeon Kim et al.
Summary: In this study, a new nonconjugated polyelectrolyte (poly-BCP) was synthesized and introduced as a passivation layer between tin oxide and organometal halide perovskite. It effectively suppressed nonradiative recombination, resulting in improved efficiency and stability of solar cells.
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
Chemistry, Multidisciplinary
Jihyun Kim et al.
Summary: This paper reports on an approach using ammonium chloride (AC) to enhance passivation effects by controlling chlorine and ammonium ions. The results demonstrate that the multifunctional healing effects of NH4+ and the change of passivation agent from Cl to NH4+ effectively suppress non-radiative recombination.
Article
Chemistry, Physical
Margherita Taddei et al.
Summary: This study demonstrates that adding ethylenediamine (EDA) to perovskite precursor solutions can improve the performance and stability of high-bromide-content perovskite photovoltaic devices. The addition of EDA improves film homogeneity and suppresses phase instability, resulting in stable films for over 100 days in ambient conditions. The study also shows that the presence of imidazolinium during crystallization is crucial for the improved perovskite thin-film properties.
ACS ENERGY LETTERS
(2022)
Article
Chemistry, Multidisciplinary
Yihui Wu et al.
Summary: The introduction of a new material, APC, has improved the performance of perovskite solar cells by enhancing the photoluminescence lifetime and carrier diffusion length, ultimately achieving high efficiency and stability.
ENERGY & ENVIRONMENTAL SCIENCE
(2022)
Article
Materials Science, Multidisciplinary
Zhimin Fang et al.
Summary: In this study, an in situ defect passivation strategy was proposed to reduce nonradiative recombination and minimize open-circuit voltage loss in wide-bandgap inverted perovskite solar cells. The proton-transfer-induced passivation effectively improved the power conversion efficiency and photostability of the cells.
Article
Energy & Fuels
Yeoun-Woo Jang et al.
Summary: Researchers have developed a solid-phase method to grow phase-pure two-dimensional perovskites in perovskite solar cells, enhancing device efficiency and stability. By growing a stable two-dimensional film on top of a three-dimensional film using a solvent-free method, an intact 2D/3D heterojunction is formed, resulting in high photovoltage in the device.
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
Chemistry, Physical
Zhenghong Xiong et al.
Summary: In this study, PEGDA was introduced into SnO2 dispersion to enhance the photovoltaic performance and stability of pero-SCs. The PEGDA-modified SnO2 acted as an ETL, improving carrier transport and matching energy levels with perovskite. Additionally, PEGDA passivated defects at the perovskite-ETL interface, leading to a high power conversion efficiency and long-term stability.
ACS ENERGY LETTERS
(2021)
Article
Multidisciplinary Sciences
Tushar Debnath et al.
Summary: The study reveals that halide ions in organic-inorganic hybrid perovskites can influence the lattice vibrations of nanocrystals, leading to different coherent vibronic wave packets generation. Additionally, it shows that the PbI64- unit in FAPbI(3) nanocrystals can vibrate more freely compared to FAPbBr(3) nanocrystals, resulting in higher harmonics of fundamental modes. This intrinsic anharmonicity in the lead-halide framework plays a key role in the stability and energy transfer of perovskites.
NATURE COMMUNICATIONS
(2021)
Article
Chemistry, Physical
Pengyang Wang et al.
Summary: By introducing cobalt chloride hexahydrate (CoCl2 center dot 6H(2)O) into SnO2 film, favorable energy level alignment and better charge extraction were achieved, leading to an enhanced V-OC and efficiency. This doping method provides an effective strategy for reducing energy loss and enhancing the efficiency of perovskite solar cells.
ACS ENERGY LETTERS
(2021)
Article
Optics
Guang Yang et al.
Summary: An effective approach to reduce photovoltage loss in metal halide perovskite solar cells is through the passivation of internal bulk defects and dimensionally graded two-dimensional perovskite interface defects. This method resulted in significantly low photovoltage loss and improved operational stability across different bandgap systems.
Article
Chemistry, Physical
Xiaoyu Yang et al.
Summary: The study focuses on optimizing polycrystalline perovskite surfaces by using multiple chemical bonds to eliminate various defects, resulting in substantial increases in photovoltaic efficiencies and long-term stability.
ACS ENERGY LETTERS
(2021)
Article
Chemistry, Physical
Xiu Gong et al.
Summary: The study synthesized high-quality SnO2 crystals as an ETL nano-film for solar cells using a Mo doping strategy, providing a simple pathway to simultaneously modulate CsPbI3 inorganic perovskite crystallization and interfacial charge extraction, leading to improved performance.
JOURNAL OF MATERIALS CHEMISTRY A
(2021)
Article
Materials Science, Multidisciplinary
Rui Wang et al.
Summary: Efficient perovskite optoelectronic devices utilize effective surface passivation strategies to regulate device performance, with recent studies showing that surface states play a crucial role. In mixed-cation perovskite films, a nonuniform distribution of cations leads to unique surface defect energetics, with FA cations near the top and MA cations near the bottom. By studying the surface defects, it was found that antisite FA(I) acts as a dominant deep trap, resulting in a low surface recombination velocity of 20 cm/s in FA-based perovskite photovoltaic devices.
Article
Chemistry, Multidisciplinary
Yu Han et al.
ADVANCED FUNCTIONAL MATERIALS
(2020)
Article
Chemistry, Physical
Nakita K. Noel et al.
ADVANCED ENERGY MATERIALS
(2020)
Article
Chemistry, Physical
Pengchen Zhu et al.
ADVANCED ENERGY MATERIALS
(2020)
Article
Chemistry, Multidisciplinary
Shuai You et al.
ADVANCED MATERIALS
(2020)
Article
Chemistry, Multidisciplinary
Yepin Zhao et al.
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
(2020)
Review
Materials Science, Multidisciplinary
Zhuo Kang et al.
SCIENCE CHINA-MATERIALS
(2019)
Article
Chemistry, Multidisciplinary
Zhongze Liu et al.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2019)
Article
Chemistry, Multidisciplinary
Jiangzhao Chen et al.
ADVANCED MATERIALS
(2019)
Article
Chemistry, Multidisciplinary
Mingzhu Long et al.
ADVANCED MATERIALS
(2018)
Article
Chemistry, Multidisciplinary
Yongguang Tu et al.
ADVANCED MATERIALS
(2018)
Article
Chemistry, Multidisciplinary
Lei Meng et al.
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
(2018)
Article
Chemistry, Multidisciplinary
Guang Yang et al.
Article
Chemistry, Multidisciplinary
Francisco Fabregat-Santiago et al.
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
(2009)
Article
Physics, Multidisciplinary
Ç Kiliç et al.
PHYSICAL REVIEW LETTERS
(2002)
