Electron injection at dye-sensitized semiconductor electrodes

被引:215
作者
Watson, DF [1 ]
Meyer, GJ
机构
[1] SUNY Buffalo, Univ Buffalo, Dept Chem, Buffalo, NY 14260 USA
[2] Johns Hopkins Univ, Dept Chem, Baltimore, MD 21201 USA
关键词
photoinduced electron transfer; nanocrystalline semiconductor; solar energy conversion; solar cells; photoelectrochemistry;
D O I
10.1146/annurev.physchem.56.092503.141142
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Electron injection at dye-sensitized semiconductors is reviewed. Particular emphasis is placed on theoretical and photoelectrochemical studies of dye-sensitized planar and single-crystal electrodes. The accepted mechanism of electron injection, which was derived from these classical studies, is introduced. Selected photoelectrochemical studies of dye-sensitized nanocrystalline semiconductors are reviewed; emphasis is given to factors that influence the efficiencies of electron injection and charge recombination. The development of quasi-solid-state nanocrystalline dye-sensitized solar cells is also discussed. Recent time-resolved spectroscopic studies of electron injection and charge recombination are reviewed. These studies have led to a better understanding of electron injection mechanisms, and have revealed the limitations of the classical models.
引用
收藏
页码:119 / 156
页数:38
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