4,9-Dihydro-4,4,9,9-tetrahexyl-s-indaceno[1,2-b:5,6-b′]dithiophene as a π-Spacer of Donor-π-Acceptor Dye and Its Photovoltaic Performance with Liquid and Solid-State Dye-Sensitized Solar Cells

被引:45
作者
Cai, Liping [1 ]
Moehl, Thomas [2 ]
Moon, Soo-Jin [2 ]
Decoppet, Jean-David [2 ]
Humphry-Baker, Robin [2 ]
Xue, Zhaosheng [1 ]
Bin, Liu [1 ]
Zakeeruddin, Shaik M. [2 ]
Graetzel, Michael [2 ]
机构
[1] Natl Univ Singapore, Dept Chem & Biomol Engn, Singapore 117576, Singapore
[2] Swiss Fed Inst Technol, Inst Chem Sci & Engn, Lab Photon & Interfaces, CH-1015 Lausanne, Switzerland
基金
瑞士国家科学基金会; 欧洲研究理事会;
关键词
CHARGE RECOMBINATION; HIGH-EFFICIENCY; ELECTROLYTE; TRANSPORT;
D O I
10.1021/ol402749s
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
A new D-pi-A organic dye, LC-5, containing 4,9-dihydro-4,4,9,9-tetrahexyl-s-indaceno[1,2-b:5,6-b']-dithiophene as a novel pi-conjugated spacer has been synthesized and tested as a sensitizer in dye-sensitized solar cells (DSC). Volatile and ionic liquid electrolytes have been used in conjunction with the synthesized dye, and the electrolyte influence on the photovoltaic performance of DSCs was investigated. A detailed investigation, including transient photocurrent/photovoltage decay measurements and electrochemical impedance spectroscopy data, provide important conclusions about the influence of electrolytes on the photovoltaic parameters.
引用
收藏
页码:106 / 109
页数:4
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