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

页码：1453 / 1456

页数：4

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