Efficient co-sensitization of nanocrystalline TiO2 films by organic sensitizers

被引:200
|
作者
Yum, Jun-Ho
Jang, Song-Rim
Walter, Pablo
Geiger, T.
Nueesch, F.
Kim, Sanghoon
Ko, Jaejung
Graetzel, Michael
Nazeeruddin, Mohammad K. [1 ]
机构
[1] Swiss Fed Inst Technol, Sch Basic Sci, Inst Chem Sci & Engn, Lab Photon & Interfaces, CH-1015 Lausanne, Switzerland
[2] Empa, Swiss Fed Labs Mat Testing & Res, Lab Funct Polymers, CH-8600 Dubendorf, Switzerland
[3] Korea Univ, Dept Chem, Jochiwon 339700, Chungnam, South Korea
关键词
D O I
10.1039/b710759e
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Dye-sensitized solar cells based on co-sensitization of organic dyes having complementary spectral absorption in the visible region resulted in a panchromatic response, which exhibited 86% incident monochromatic photon-to-current conversion efficiency in the visible region; the optimized cell gave a short circuit current density of 15.5 mA cm(-2), an open circuit voltage of 685 mV and a fill factor of 0.70 corresponding to an overall conversion efficiency of 7.43% under solar simulated light irradiation of 100 mW cm(-2).
引用
收藏
页码:4680 / 4682
页数:3
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