Molecular geometry regulation of bay-phenyl substituted perylenediimide derivatives with bulky alkyl chain for use in organic solar cells as the electron acceptor
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- 作者：Jinduo Yia ; b ; Junkai Wangc ; Yi Lind ; Wei Gaoa ; Yuchao Maa ; Hongwei Tanc ; Hongyu Wangb ; wanghy@shu.edu.cn" class="auth_mail" title="E-mail the corresponding author ; Chang-Qi Maa ; cqma2011@sinano.ac.cn" class="auth_mail" title="E-mail the corresponding author
- 关键词：Perylenediimide derivatives ; Bulky substitution effect ; Electron acceptor ; Polymer solar cells ; Nano-scale phase separation
- 刊名：Dyes and Pigments
- 出版年：2017
- 出版时间：January 2017
- 年：2017
- 卷：136
- 期：Complete
- 页码：335-346
- 全文大小：3905 K
文摘
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Three isopropylphenyl substituted asymmetric PDI derivatives were reported.
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Effects of isopropyl chain position of PDIs on property and PV performance were studied.
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These PDIs showed similar LUMO energy levels to PC61BM.
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The meta-substituted 3-iPP-PDIs showed the best performance in polymer solar cells.