Highly Efficient Mesoscopic Dye-Sensitized Solar Cells Based on Donor-Acceptor-Substituted Porphyrins

被引:742
|
作者
Bessho, Takeru [2 ]
Zakeeruddin, Shaik M. [2 ]
Yeh, Chen-Yu [1 ]
Diau, Eric Wei-Guang [3 ]
Graetzel, Michael [2 ]
机构
[1] Natl Chung Hsing Univ, Dept Chem, Taichung 402, Taiwan
[2] Ecole Polytech Fed Lausanne, Inst Chem Sci & Engn, Lab Photon & Interfaces, CH-1050 Lausanne, Switzerland
[3] Natl Chiao Tung Univ, Dept Appl Chem, Hsinchu 300, Taiwan
基金
欧洲研究理事会; 瑞士国家科学基金会;
关键词
donor-acceptor systems; dyes/pigments; energy conversion; porphyrinoids; solar cells; CONJUGATED ORGANIC-DYES; PHOTOVOLTAIC PROPERTIES; CONVERSION EFFICIENCY; ELECTRON INJECTION; MOLECULAR DESIGN; ADSORBING GROUPS; DYNAMICS; RECOMBINATION; ENHANCEMENT; PERFORMANCE;
D O I
10.1002/anie.201002118
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
To dye for: A porphyrin chromophore, which is integrated into a donor-acceptor dye as a π-conjugated bridge (see picture), exhibits an unprecedented efficiency of 11 □ % when used as a photosensitizer in a double-layer TiO2 film. A greatly enhanced photovoltaic performance is observed when the porphyrin dye is cosensitized with a metal-free dye that has a complementary spectral response. © 2010 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim.
引用
收藏
页码:6646 / 6649
页数:4
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