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Literature DB >> 27145346

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

Weijun Ke^1,2,3, Chuanxiao Xiao³, Changlei Wang¹, Bayrammurad Saparov^4,5, Hsin-Sheng Duan⁴, Dewei Zhao^1,3, Zewen Xiao¹, Philip Schulz³, Steven P Harvey³, Weiqiang Liao¹, Weiwei Meng¹, Yue Yu¹, Alexander J Cimaroli¹, Chun-Sheng Jiang³, Kai Zhu³, Mowafak Al-Jassim³, Guojia Fang², David B Mitzi^4,5, Yanfa Yan¹.

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%.

Entities: Chemical

Keywords: grain boundary passivation; hysteresis; interface passivation; perovskite solar cells

Year: 2016 PMID： 27145346 DOI： 10.1002/adma.201600594

Source DB: PubMed Journal: Adv Mater ISSN： 0935-9648 Impact factor: 30.849

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Cited

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9. Fabrication of Efficient Organic-Inorganic Perovskite Solar Cells in Ambient Air.

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