Over 17% efficiency all-small-molecule organic solar cells based on an organic molecular donor employing a 2D side chain symmetry breaking strategy

• DOI: 10.1039/d2ee02107b
• Publication Date: 2022-08-31T02:21:23Z
• Authors: Zhiya Li; Xunchang Wang; Nan Zheng; Aziz Saparbaev; Jiayi Zhang; Cong Xiao; Shiyun Lei; Xufan Zheng; Manxue Zhang; Yuda Li; Biao Xiao; Renqiang Yang
• Keywords: Side chain; Organic molecules

The 2D asymmetric side chain strategy via modification with different halogens can optimize the morphology, improve molecular interaction and control photophysical properties, promoting an outstanding PCE of 17.0% in binary ASM-OSCs.