Light scattering TiO2 particles surface-modified by Al2O3 coating in a dye- sensitized solar cell

被引：12
|
作者：
Choi, Seok Cheol [1 ]
Lee, Ho Suk [1 ]
Oh, Sang Jin [2 ]
Sohn, Sang Ho [1 ]
机构：
[1] Kyungpook Natl Univ, Dept Phys, Taegu 702701, South Korea
[2] Phoenix Mat, Res Lab, Gumi Si 730030, Gyeongsangbuk D, South Korea
来源：
PHYSICA SCRIPTA | 2012年 / 85卷 / 02期
基金：
新加坡国家研究基金会;
关键词：
EFFICIENCY; PERFORMANCE; ELECTRODE; FILMS; LAYER;
D O I：
10.1088/0031-8949/85/02/025801
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The effect of light scattering TiO2 particles surface-modified by Al2O3 coating on the characteristics of a dye-sensitized solar cell (DSSC) has been studied in this paper. The surface of the light scattering TiO2 particles was coated with Al2O3 by a modified sol-gel method as a function of the pH and the concentration of colloidal Al2O3. It was revealed that the uniform distribution of Al2O3 nanoparticles leads to an increase in short-circuit photocurrent of the DSSC device, resulting in an increase in energy conversion efficiency. This seems to be due to the increase in light scattering by the combination of the light scattering TiO2 particles and Al2O3 nanoparticles.
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页数：5
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