Effects of heat treatment on the dye adsorption of ZnO nanorods for dye-sensitized solar cells

被引：5
|
作者：
Yun, Won Suk [1 ]
Choi, Seok Cheol [1 ]
Sohn, Sang Ho [1 ]
Oh, Sang Jin [2 ]
机构：
[1] Kyungpook Natl Univ, Dept Phys, Taegu 702701, South Korea
[2] Phoenix Mat, Res Lab, Gumi 730030, South Korea
来源：
JOURNAL OF THE KOREAN PHYSICAL SOCIETY | 2012年 / 61卷 / 09期
基金：
新加坡国家研究基金会;
关键词：
ZnO nanorod; Sonochemical; Heat treatment; Dye absorption; Dye-sensitized solar cell; FABRICATION; EFFICIENCY; ROUTE; WAFER;
D O I：
10.3938/jkps.61.1453
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Well-aligned ZnO nanorods for the photoelectrode of dye-sensitized solar cells (DSSCs) were grown via a sonochemical method, and the heat-treatment effects on the dye adsorption in the DSSCs were studied. The heat treatment of well-aligned ZnO nanorods was performed at 200 similar to 500 A degrees C for 1 h, which was immediately followed by the dye adsorption. The dye amounts adsorbed in the ZnO nanorods were estimated from the UV-Vis absorbance by using Beer-Lambert's law. The efficiency of the DSSCs with ZnO nanorods was measured to investigate the heat-treatment effects of ZnO nanorods on the dye adsorption properties. The heat-treatment of ZnO nanorods was found to yield a change in their dye adsorption ability, resulting in a change in the efficiency of the DSSCs.
引用
收藏
页码：1453 / 1456
页数：4
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