Tailoring a dynamic crystalline process during the conversion of lead-halide perovskite layer to achieve high performance solar cells

• DOI: 10.1039/c8ta07462c
• Publication Date: 2018-11-21T17:55:28Z
• Authors: Mengjie Sun; Chunjun Liang; Huimin Zhang; Chao Ji; Fulin Sun; Fangtian You; Xiping Jing; Zhiqun He
• Keywords: 01 natural sciences; 7. Clean energy; 0104 chemical sciences

A small fraction of DMSO additive in the second-step precursor is able to tune the intercalation and the nucleation, leading to a fine control of grain size and PbI2residue and improved device efficiency.