Lead‐Free Inverted Planar Formamidinium Tin Triiodide Perovskite Solar Cells Achieving Power Conversion Efficiencies up to 6.22% | Zendy

Liao Weiqiang | Zendy; Zhao Dewei | Zendy; Yu Yue | Zendy; Grice Corey R. | Zendy; Wang Changlei | Zendy; Cimaroli Alexander J. | Zendy; Schulz Philip | Zendy; Meng Weiwei | Zendy; Zhu Kai | Zendy; Xiong RenGen | Zendy; Yan Yanfa | Zendy

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Lead‐Free Inverted Planar Formamidinium Tin Triiodide Perovskite Solar Cells Achieving Power Conversion Efficiencies up to 6.22%

Author(s) -

Liao Weiqiang,

Zhao Dewei,

Yu Yue,

Grice Corey R.,

Wang Changlei,

Cimaroli Alexander J.,

Schulz Philip,

Meng Weiwei,

Zhu Kai,

Xiong RenGen,

Yan Yanfa

Publication year - 2016

Publication title -

advanced materials

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 10.707

H-Index - 527

eISSN - 1521-4095

pISSN - 0935-9648

DOI - 10.1002/adma.201602992

Subject(s) - formamidinium , triiodide , materials science , perovskite (structure) , energy conversion efficiency , tin , optoelectronics , planar , photocurrent , hysteresis , electrode , chemical engineering , dye sensitized solar cell , chemistry , computer graphics (images) , physics , quantum mechanics , computer science , engineering , electrolyte , metallurgy

Efficient lead (Pb)‐free inverted planar formamidinium tin triiodide (FASnI 3 ) perovskite solar cells (PVSCs) are demonstrated. Our FASnI 3 PVSCs achieved average power conversion efficiencies (PCEs) of 5.41% ± 0.46% and a maximum PCE of 6.22% under forward voltage scan. The PVSCs exhibit small photocurrent–voltage hysteresis and high reproducibility. The champion cell shows a steady‐state efficiency of ≈6.00% for over 100 s.

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