Laser-Induced Control of TiO2 Porosity for Enhanced Photovoltaic Behavior

被引：37
|
作者：
Yoon, Junghwan [1 ]
Jin, Minhea [1 ]
Lee, Myeongkyu [1 ]
机构：
[1] Yonsei Univ, Dept Mat Sci & Engn, Seoul 120749, South Korea
来源：
ADVANCED MATERIALS | 2011年 / 23卷 / 34期
关键词：
SENSITIZED SOLAR-CELLS; ELECTRON-TRANSPORT; SILICON-WAFERS; FILMS; PHOTOCURRENT; PERFORMANCE; EFFICIENCY; PARTICLES; NANOTUBES; DIFFUSION;
D O I：
10.1002/adma.201101837
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Porosity values between 0.12 and 0.40 are achieved in a controllable way for TiO2 electrodes in dye-sensitized solar cells by irradiation with a pulsed Nd:YAG laser at 1064 nm. Whereas the electron lifetime and diffusion distance increase with reduced porosity, the amount of adsorbed dyes remains almost constant. This greatly enhances the photocurrent density and energy conversion efficiency of the solar cell.
引用
收藏
页码：3974 / +
页数：6
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