Influence of the benzo[d]thiazole-derived π-bridges on the optical and photovoltaic performance of D-π-A dyes

被引：28

作者：

Ci, Zhenhua ^{[1
]}

Yu, Xiaoqiang ^{[1
]}

Bao, Ming ^{[1
]}

Wang, Chaolei ^{[1
]}

Ma, Tingli ^{[1
]}

机构：

[1] Dalian Univ Technol, State Key Lab Fine Chem, Dalian 116023, Peoples R China

来源：

DYES AND PIGMENTS | 2013年 / 96卷 / 03期

基金：

中国国家自然科学基金;

关键词：

Dye-sensitized solar cells; Organic dye; Triphenylamine; pi-Conjugated bridge; Benzo[d]thiazole; Photon-to-current conversion efficiency; SENSITIZED SOLAR-CELLS; BAND-GAP CHROMOPHORES; ORGANIC-DYES; HIGHLY EFFICIENT; TIO2; ELECTRODES; LIGHT; UNIT; CONVERSION; LIQUID;

D O I：

10.1016/j.dyepig.2012.11.004

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

New metal-free organic sensitizers containing a benzo[d]thiazole or phenyl unit as the pi-conjugated system, a triphenylamine as an electron donor, and a cyanoacrylic acid moiety as an electron acceptor were synthesized and used for dye-sensitized solar cells. Photophysical and electrochemical properties of these dyes were investigated, and their performances as sensitizers in solar cells were measured. The introduction of a benzo[d]thiazole unit into the molecular structure resulted in a high incident photon-to-current conversion efficiency (more than 70%) from 340 nm to 600 nm. One solar cell containing a benzo[d]thiazole unit, produced a eta of 5.85% (J(SC) = 10.63 mA cm(-2), V-OC = 0.72 V, and ff = 0.77) under 100 mW cm(-2) simulated AM 1.5 G solar irradiation. (C) 2012 Elsevier Ltd. All rights reserved.

引用

页码：619 / 625

页数：7

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