Lead-free inverted planar formamidinium tin triiodide perovskite solar cells achieving power conversion efficiencies up to 6.22% [electronic resource].

Published:: Washington, D.C. : United States. Dept. of Energy. Office of Energy Efficiency and Renewable Energy, 2016.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy
Physical Description:: pages 9,333-9,340 : digital, PDF file
Additional Creators:: National Renewable Energy Laboratory (U.S.), United States. Department of Energy. Office of Energy Efficiency and Renewable Energy, and United States. Department of Energy. Office of Scientific and Technical Information

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Summary:

Efficient lead (Pb)-free inverted planar formamidinium tin triiodide (FASnI₃) perovskite solar cells (PVSCs) are demonstrated. Our FASnI₃ PVSCs achieved average power conversion efficiencies (PCEs) of 5.41% ± 0.46% and a maximum PCE of 6.22% under forward voltage scan. Here, 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.

Report Numbers:

E 1.99:nrel/ja--5k00-67095
nrel/ja--5k00-67095

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Published through SciTech Connect.
08/29/2016.
"nrel/ja--5k00-67095"
Advanced Materials 28 42 ISSN 0935-9648 AM
Weiqiang Liao; Dewei Zhao; Yue Yu; Corey R. Grice; Changlei Wang; Alexander J. Cimaroli; Philip Schulz; Weiwei Meng; Kai Zhu; Ren -Gen Xiong; Yanfa Yan.

Funding Information:

AC36-08GO28308

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