Interfacial modification layers based on carbon dots for efficient inverted polymer solar cells exceeding 10% power conversion efficiency
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- 作者：Xiaofeng Lina ; 1Author Vitae ; Yuzhao Yanga ; 1Author Vitae ; Li NianbAuthor Vitae ; Hua SuaAuthor Vitae ; Jiemei OuaAuthor Vitae ; Zhongke YuanaAuthor Vitae ; Fangyan XieaAuthor Vitae ; Wei HongaAuthor Vitae ; Dingshan YuaAuthor Vitae ; Mingqiu ZhangaAuthor Vitae ; Yuguang Mab ; ygma@scut.edu.cn" class="auth_mail" title="E-mail the corresponding authorAuthor Vitae ; Xudong Chena ; cescxd@mail.sysu.edu.cn" class="auth_mail" title="E-mail the corresponding authorAuthor Vitae
- 关键词：Interfacial modification layers ; Carbon dots ; Inverted polymer solar cells ; Power conversion efficiency
- 刊名：Nano Energy
- 出版年：2016
- 出版时间：August 2016
- 年：2016
- 卷：26
- 期：Complete
- 页码：216-223
- 全文大小：2052 K
文摘
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Reported C-dots with amino groups as an interfacial modification layer for the first time.
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The C-dots modification can result in decreased work function and smoothed surface of the metal oxides and thus enhance charge extraction efficiency for the cathode.
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The luminescent down-shifting effect of C-dots can increases the utilization of near ultraviolet and blue-violet portions of sunlight.
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The optimized device based on PTB7-Th:PC71BM achieves a maximum PCE of up to 10.24%, outperforming previously reported PSCs using carbon nano-materials as additives so far.