Oligomeric semiconductors enable high efficiency open air processed organic solar cells by modulating pre-aggregation and crystallization kinetics

• DOI: 10.1039/d3ee02984k
• Publication Date: 2023-10-24T12:41:42Z
• Authors: Hao Xia; Ying Zhang; Kuan Liu; Wanyuan Deng; Mengbing Zhu; Hua Tan; Patrick W. K. Fong; Heng Liu; Xinxin Xia; Miao Zhang; Top Archie Dela Peña; Ruijie Ma; Mingjie Li; Jiaying Wu; Yongwen Lang; Jiehao Fu; Wai-Yeung Wong; Xinhui Lu; Weiguo Zhu; Gang Li

Two novel oligomers boost the 1 cm 2 device to achieve a remarkable PCE exceeding 17% using green solvent in open-air without post-treatment. In-depth situ & ex studies elucidate mechanisms of action oligomers. This work demonstrates effective guidelines for future manufacturing.