A New Nonfullerene Electron Acceptor with a Ladder Type Backbone for High-Performance Organic Solar Cells

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• 作者：Nailiang Qiu ; Huijing Zhang ; Xiangjian Wan ; Chenxi Li ; Xin Ke ; Huanran Feng ; Bin Kan ; Hongtao Zhang ; Qiang Zhang ; Yan Lu and Yongsheng Chen
• 刊名：Advanced Materials
• 出版年：2017
• 出版时间：February 10, 2017
• 年：2017
• 卷：29
• 期：6
• 全文大小：1714K
• ISSN：1521-4095

文摘

Nonfullerene acceptor FDICTF (2,9-bis(2methylene-(3-(1,1-dicyanomethylene)indanone))-7,​12-​dihydro-​4,​4,​7,​7,​12,​12-​hexaoctyl-​4H-​cyclopenta[2″,​1″:5,​6;3″,​4″:5′,​6′]​diindeno[1,​2-​b:1′,​2′-​b′]dithiophene) modified by fusing the fluorene core in a precursor, yields 10.06% high power conversion efficiency, and demonstrates that the ladder and fused core backbone in A–D–A structure molecules is an effective design strategy for high-performance nonfullerene acceptors.