New triphenylamine organic dyes containing dithieno[3,2-b:2′,3′-d]pyrrole (DTP) units for iodine-free dye-sensitized solar cells

被引：68

作者：

Wang, Zhihui ^{[1
]}

Liang, Mao ^{[2
]}

Wang, Lina ^{[2
]}

Hao, Yujie ^{[2
]}

Wang, Chunbo ^{[2
]}

Sun, Zhe ^{[2
]}

Xue, Song ^{[2
]}

机构：

[1] Tianjin Univ, Dept Chem, Tianjin 300072, Peoples R China

[2] Tianjin Univ Technol, Dept Appl Chem, Tianjin 300384, Peoples R China

来源：

CHEMICAL COMMUNICATIONS | 2013年 / 49卷 / 51期

基金：

中国国家自然科学基金;

关键词：

CHARGE-TRANSFER; BAND;

D O I：

10.1039/c3cc42121j

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Three dithieno[3,2-b:20,30-d] pyrrole (DTP) units with different hexyloxyphenyl (HOP) substituents have been developed for triphenylamine organic dyes (XS54-XS56). The introduction of the 4-HOP-DTP unit has resulted in a stronger light harvesting capacity, accounting for the observed photocurrent enhancement in the case of XS54, while the 2-HOP-DTP/2,4-HOP-DTP units induce a strikingly large photovoltage improvement in the cases of XS55 and XS56 due to their higher steric hindrance.

引用

页码：5748 / 5750

页数：3

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