Journal ArticleDOI
Ion migration in halide perovskite solar cells: Mechanism, characterization, impact and suppression
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TLDR
In this paper, the authors discuss the impact of ion migration on perovskite films and cells with respect to photoelectric properties and stability, and several representative strategies to suppress ion migration are systematically summarized in the context of composition engineering, additive engineering and interface engineering, with an in-depth understanding on the underlying mechanisms which may provide more clues for further fabrication of PSCs.About:
This article is published in Journal of Energy Chemistry.The article was published on 2021-08-16. It has received 26 citations till now. The article focuses on the topics: Perovskite (structure).read more
Citations
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Journal ArticleDOI
Metal Halide Perovskites toward Electrically Pumped Lasers
TL;DR: In this article , a systematic review of perovskite lasers is presented in a sequential order of development, with an emphasis on optical microcavities and diverse proposed working mechanisms, followed by introductions of representative advances in pulsed optically pumped perovsite lasers with various lasing modes, as well as state-of-the-art developments in lasing phenomenon under continuous wave optical pumping.
Journal ArticleDOI
In Silico Investigation of the Impact of Hole-Transport Layers on the Performance of CH3NH3SnI3 Perovskite Photovoltaic Cells
TL;DR: In this article , the authors evaluated the influence of bulk defects within light-absorbing CH3NH3SnI3 layers and proposed an optimal device architecture for the given absorber layer using the readily available Cu2O hole-transporting material.
Journal ArticleDOI
Ion Compensation of Buried Interface Enables Highly Efficient and Stable Inverted MA‐Free Perovskite Solar Cells
Yu Chen,Yang Shen,Weijia Tang,Yihui Wu,Weidong Luo,Ningyi Yuan,Jianning Ding,Shengli Zhang,Wenhua Zhang +8 more
TL;DR: In this paper , a phase-pure CuScO2 has been synthesized and further employed as mesoporous hole-transporting materials (HTM) in inverted PSCs.
Journal ArticleDOI
Balancing Energy-Level Difference for Efficient n-i-p Perovskite Solar Cells with Cu Electrode
TL;DR: In this paper , the authors demonstrated the ability of tuning the Fermi level (EF) of hole transport layer (HTL) to reduce the energy level difference (Schottky barrier) between HTLs and Cu.
Journal ArticleDOI
Constructing Soft Perovskite–Substrate Interfaces for Dynamic Modulation of Perovskite Film in Inverted Solar Cells with Over 6200 Hours Photostability
TL;DR: In this paper , a soft perovskite-substrate interface constructed by employing amphiphilic soft molecules (ASMs) with long alkyl chains and Lewis base groups is proposed.
References
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Journal ArticleDOI
The emergence of perovskite solar cells
TL;DR: In this article, a review describes the rapid progress that has been made in hybrid organic-inorganic perovskite solar cells and their applications in the photovoltaic sector.
Journal ArticleDOI
Electron-hole diffusion lengths > 175 μm in solution-grown CH3NH3PbI3 single crystals
TL;DR: It is found that the diffusion lengths in CH3NH3PbI3 single crystals grown by a solution-growth method can exceed 175 micrometers under 1 sun (100 mW cm−2) illumination and exceed 3 millimeters under weak light for both electrons and holes.
Journal ArticleDOI
Surface passivation of perovskite film for efficient solar cells
Qi Jiang,Yang Zhao,Xingwang Zhang,Xiaolei Yang,Yong Chen,Zema Chu,Qiufeng Ye,Li Xingxing,Zhigang Yin,Jingbi You +9 more
TL;DR: In this paper, an organic halide salt phenethylammonium iodide (PEAI) was used on HC(NH2)2-CH3NH3 mixed perovskite films for surface defect passivation.
Journal ArticleDOI
Perovskite light-emitting diodes with external quantum efficiency exceeding 20 per cent
Kebin Lin,Jun Xing,Li Na Quan,F. Pelayo García de Arquer,Xiwen Gong,Jianxun Lu,Liqiang Xie,Weijie Zhao,Di Zhang,Chuanzhong Yan,Wenqiang Li,Xinyi Liu,Yan Lu,Jeffrey Kirman,Edward H. Sargent,Qihua Xiong,Zhanhua Wei +16 more
TL;DR: In this article, the authors describe visible-light-emitting perovskite LEDs that surpass the quantum efficiency milestone of 20.3 per cent, which is achieved by a new strategy for managing the compositional distribution in the device.
Journal ArticleDOI
Anomalous hysteresis in perovskite solar cells
Henry J. Snaith,Antonio Abate,James M. Ball,Giles E. Eperon,Tomas Leijtens,Nakita K. Noel,Samuel D. Stranks,Jacob Tse-Wei Wang,Konrad Wojciechowski,Wei Zhang +9 more
TL;DR: This work identifies an anomalous hysteresis in the current-voltage curves of perovskite solar cells, hypothesizes three possible origins of the effect, and discusses its implications on device efficiency and future research directions.
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