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Enhanced long-term stability of perovskite solar cells by 3-hydroxypyridine dipping
1State Key Laboratory for Mesoscopic Physics and Electron Microscopy Laboratory, School of Physics, Peking University, Beijing 100871, China. zhaoqing@pku.edu.cn.
Chemical Communications (Cambridge, England)
|January 24, 2017
Abstract:
Lead halide perovskite solar cells show poor stability due to their ionic material character. Here, we introduce a dipping method to modify the perovskite layer with 3-hydroxypyridine molecules. The long-term stability of solar cells is greatly enhanced and shows no obvious decay after 90 hour steady-state measurements.
