Tetra-alkyl-substituted copper (II) phthalocyanines as dopant-free hole-transport layers for planar perovskite solar cells with enhanced open circuit voltage and stability

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• 作者：Yulong Wang¹ ; Xiaoyuan Liu¹ ; Haiquan Shan ; Qian Chen ; Tuo Liu ; Xize Sun ; Dian Ma ; Zihao Zhang ; Jiaju Xu ; ^{xujj@sustc.edu.cn} ; Zong-Xiang Xu ; ^{xuzx@sustc.edu.cn}
• 关键词：Perovskite solar cells ; Hole transport materials ; Phthalocyanines ; Tetra-alkyl-substituted
• 刊名：Dyes and Pigments
• 出版年：2017
• 出版时间：April 2017
• 年：2017
• 卷：139
• 期：Complete
• 页码：619-626
• 全文大小：1782 K
• 卷排序：139

文摘

Tetral-alkyl substituted CuPc were employed as hole transporting material for perovskite solar cell. Tetra-alkyl substitution increased the π-π interactions, carrier mobility and hydrophobicity. CuMePc exhibited highest PCE of 11.9%. CuEtPc exhibited best long term stability.