Review of recent progress in solid-state dye-sensitized solar cells

被引:552
作者
Li, B [1 ]
Wang, LD [1 ]
Kang, BN [1 ]
Wang, P [1 ]
Qiu, Y [1 ]
机构
[1] Tsinghua Univ, Key Lab Organ Optoelect & Mol Engn, Minist Educ, Dept Chem, Beijing 100084, Peoples R China
关键词
solid state; solar cell; TiO2; hole conductor; mechanism;
D O I
10.1016/j.solmat.2005.04.039
中图分类号
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号
0807 ; 0820 ;
摘要
The dye-sensitized nanocrystalline TiO2 solar cells (DSSCs) provide a promising alternative concept to conventional p-n junction photovoltaic devices. However, liquid-state DSSCs possess the problem of low stability since a volatile liquid electrolyte is utilized. An effective approach to solve such a problem is by replacing the volatile liquid electrolyte with solid-state or quasi solid-state hole conductor, such as p-type semiconductors, ionic liquid electrolyte and polymer electrolyte. In this paper, the recent progress on the selection and utilization of these hole conductors are mainly discussed. Research on mechanisms of solid-state DSSCs was also summarized here including the hole transfer process at dye/hole conductor interface, ionic transportation inside hole conductor media and the factors which depress the efficiency of solid-state cells. With a thorough analysis of the problems of solid-state DSSCs, several ways towards higher efficiency and lower cost are suggested. (c) 205 Elsevier B.V. All rights reserved.
引用
收藏
页码:549 / 573
页数:25
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