Employing Lead Thiocyanate Additive to Reduce the Hysteresis and Boost the Fill Factor of Planar Perovskite Solar Cells

Weijun Ke; Chuanxiao Xiao; Changlei Wang; Bayrammurad Saparov; Hsin‐Sheng Duan; Dewei Zhao; Zewen Xiao; Philip Schulz; Steven P. Harvey; Wei‐Qiang Liao; Weiwei Meng; Yue Yu; Alexander J. Cimaroli; Chun‐Sheng Jiang; Kai Zhu; Mowafak Al‐Jassim; Guojia Fang; David B. Mitzi; Yanfa Yan

doi:10.1002/adma.201600594

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Abstract

Lead thiocyanate in the perovskite precursor can increase the grain size of a perovskite thin film and reduce the conductivity of the grain boundaries, leading to perovskite solar cells with reduced hysteresis and enhanced fill factor. A planar perovskite solar cell with grain boundary and interface passivation achieves a steady-state efficiency of 18.42%.

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Ke et al. (2016) studied this question.

synapsesocial.com/papers/69fc1cf4de469b6f91fa3995 https://doi.org/10.1002/adma.201600594

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Employing Lead Thiocyanate Additive to Reduce the Hysteresis and Boost the Fill Factor of Planar Perovskite Solar Cells

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Abstract

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Employing Lead Thiocyanate Additive to Reduce the Hysteresis and Boost the Fill Factor of Planar Perovskite Solar Cells

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