A high-efficiency cyanine dye for dye-sensitized solar cells

被引：150

作者：

Ma, Xuemei

Hua, Jianli

Wu, Wenjun

Jin, Yinghua

Meng, Fanshun

Zhan, Wenhai

Tian, He ^{[1
]}

机构：

[1] E China Univ Sci & Technol, Key Lab Adv Mat, Shanghai 200237, Peoples R China

来源：

TETRAHEDRON | 2008年 / 64卷 / 02期

关键词：

D O I：

10.1016/j.tet.2007.10.094

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

A novel organic cyanine dye containing triphenylamine - benzothiadiazole dyad has been synthesized and applied successfully to sensitization of nanocrystalline TiO2-based solar cell. Their absorption spectra, electrochemical, and photovoltaic properties were studied. Upon adsorption on a TiO2 electrode, the absorption spectra of the cyanine dye are all broadened at both the red and blue spectral ends relative to its respective spectra in acetonitrile and ethanol mixture solution. An overall conversion efficiency of 7.62% (J(sc)=22.10 mA cm(-2), V-oc=0.54 V, ff=0.48) is achieved under irradiation with 75 mW cm(-2) white light from a Xe lamp. (c) 2007 Elsevier Ltd. All rights reserved.

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收藏

页码：345 / 350

页数：6

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