Efficient and stable perovskite solar cells prepared in ambient air irrespective of the humidity.
TLDR
In comparison with typical CH3NH3PbI3-based devices, these solar cells without encapsulation show greatly improved stability in humid air, which is attributed to the incorporation of thiocyanate ions in the crystal lattice.Abstract:
Poor stability of organic-inorganic halide perovskite materials in humid condition has hindered the success of perovskite solar cells in real applications since controlled atmosphere is required for device fabrication and operation, and there is a lack of effective solutions to this problem until now. Here we report the use of lead (II) thiocyanate (Pb(SCN)2) precursor in preparing perovskite solar cells in ambient air. High-quality CH3NH3PbI3-x(SCN)x perovskite films can be readily prepared even when the relative humidity exceeds 70%. Under optimized processing conditions, we obtain devices with an average power conversion efficiency of 13.49% and the maximum efficiency over 15%. In comparison with typical CH3NH3PbI3-based devices, these solar cells without encapsulation show greatly improved stability in humid air, which is attributed to the incorporation of thiocyanate ions in the crystal lattice. The findings pave a way for realizing efficient and stable perovskite solar cells in ambient atmosphere.read more
Citations
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Challenges for commercializing perovskite solar cells.
Yaoguang Rong,Yue Hu,Anyi Mei,Anyi Mei,Hairen Tan,Hairen Tan,Makhsud I. Saidaminov,Sang Il Seok,Michael D. McGehee,Edward H. Sargent,Hongwei Han +10 more
TL;DR: Recent progress in addressing stability, how to allow mass production, and how to maintain uniformity of large-area films are reviewed, and the remaining challenges along the pathway to their commercialization are discussed.
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Methylammonium Chloride Induces Intermediate Phase Stabilization for Efficient Perovskite Solar Cells
Minjin Kim,Minjin Kim,Gi-Hwan Kim,Tae Kyung Lee,In Woo Choi,Hye Won Choi,Yimhyun Jo,Yung Jin Yoon,Jae Won Kim,Jiyun Lee,Daihong Huh,Heon Lee,Sang Kyu Kwak,Jin Young Kim,Dong Suk Kim +14 more
TL;DR: In this article, the function of methylammonium chloride (MACl) additive in formamidinium lead iodide (FAPbI3)-based perovskite was studied.
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Understanding Degradation Mechanisms and Improving Stability of Perovskite Photovoltaics.
Caleb C. Boyd,Rongrong Cheacharoen,Rongrong Cheacharoen,Tomas Leijtens,Tomas Leijtens,Michael D. McGehee,Michael D. McGehee +6 more
TL;DR: Recommendations are made on how accelerated testing should be performed to rapidly develop solar cells that are both extraordinarily efficient and stable.
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Planar-Structure Perovskite Solar Cells with Efficiency beyond 21%
Qi Jiang,Zema Chu,Pengyang Wang,Xiaolei Yang,Heng Liu,Ye Wang,Zhigang Yin,Jinliang Wu,Xingwang Zhang,Jingbi You +9 more
TL;DR: This study finds that a moderate residual of PbI2 can deliver stable and high efficiency of solar cells without hysteresis, while too much residual Pbi2 will lead to serious hysteResis and poor transit stability.
Journal ArticleDOI
All-Inorganic Perovskite Solar Cells.
Jia Liang,Caixing Wang,Yanrong Wang,Zhaoran Xu,Zhipeng Lu,Yue Ma,Hongfei Zhu,Yi Hu,Chengcan Xiao,Xu Yi,Guoyin Zhu,Hongling Lv,Lianbo Ma,Tao Chen,Zuoxiu Tie,Zhong Jin,Jie Liu,Jie Liu +17 more
TL;DR: This study reports the successful fabrication of all-inorganic PSCs without any labile or expensive organic components, and opens the door for next-generation P SCs with long-term stability under harsh conditions, making practical application of Pscs a real possibility.
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