Triphenylamine-Based Dyes Bearing Functionalized 3,4-Propylenedioxythiophene Linkers with Enhanced Performance for Dye-Sensitized Solar Cells

被引：100

作者：

Liang, Yanliang

Peng, Bo

Liang, Jing

Tao, Zhanliang

Chen, Jun ^{[1
]}

机构：

[1] Nankai Univ, Inst New Energy Mat Chem, Tianjin 300071, Peoples R China

来源：

ORGANIC LETTERS | 2010年 / 12卷 / 06期

关键词：

ORGANIC-DYES; CONVERSION-EFFICIENCY; CHROMOPHORES; DESIGN;

D O I：

10.1021/ol902973r

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

Introduction of modified 3,4-propylenedioxythiophene units into triphenylamine-based dyes is found to enhance light capturing, suppress dye aggregation, and remarkably retard charge recombination in dye-sensitized solar cells. Open circuit voltages of the as-synthesized dyes (similar to 800 mV) are much higher than that with a thiophene congener (720 mV) under similar conditions as a result of self-passivation benefiting from their three-dimensional branched structures.

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页码：1204 / 1207

页数：4

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