Metal-free photosensitizers based on benzodithienothiophene as π-conjugated spacer for dye-sensitized solar cells

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• 作者：Kai Zhang^a ; ^c ; Weifeng Zhang^d ; Jianyao Huang^d ; Aiying Pang^b ; ^{ayp@fjirsm.ac.cn} ; Man Shing Wong^a ; ^{mswong@hkbu.edu.hk}
• 关键词：Organic photosensitizers ; Benzodithienothiophene ; π-spacer ; DSSC
• 刊名：Organic Electronics
• 出版年：2017
• 出版时间：March 2017
• 年：2017
• 卷：42
• 期：Complete
• 页码：275-283
• 全文大小：1680 K
• 卷排序：42

文摘

Novel benzodithienothiophene-based photosensitizers have been developed. DSSCs based on these five photosensitizers exhibited efficiencies ranging from 3.92% to 5.46%. Merit of using the di-anchoring approach to suppress the dye aggregation to inhibit of charge recombination is evidenced.