Columnar rutile TiO2 based dye-sensitized solar cells by radio-frequency magnetron sputtering

被引：51
作者：
Kang, Soon Hyung [1 ,2 ]
Kang, Moon-Sung [3 ]
Kim, Hyun-Sik [1 ,2 ]
Kim, Jae-Yup [1 ,2 ]
Chung, Young-Hoon [1 ,2 ]
Smyri, William H. [4 ]
Sung, Yung-Eun [1 ,2 ]
机构：
[1] Seoul Natl Univ, Sch Chem & Biol Engn, Seoul 151742, South Korea
[2] Seoul Natl Univ, Interdisciplinary Program Nano Sci & Technol, Seoul 151742, South Korea
[3] Samsung Adv Inst Technol, Energy & Environm Lab, Gyeonggi Do 446712, South Korea
[4] Univ Minnesota, Corros Res Ctr, Dept Chem Engn & Mat Sci, Minneapolis, MN 55455 USA
来源：
JOURNAL OF POWER SOURCES | 2008年 / 184卷 / 01期
关键词：
rutile TiO2; columnar structure; dye-sensitized solar cell; radio-frequency magnetron sputtering; substrate heating; photocurrent;
D O I：
10.1016/j.jpowsour.2008.05.089
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：
Columnar-structured rutile TiO2 film with a thickness of 1.4 mu m is prepared using the radio-frequency (RF) magnetron sputtering technique, for application in dye-sensitized solar cells (DSSCs). Pure rutile TiO2 films are fabricated by controlling the substrate temperature during sputtering and using a substrate with a rough surface morphology. Successive substrate heating to 623 K induces the growth of a rutile TiO2 film that has a specific direction in the (I 10) plane, which results in a decrease in the average grain size. This causes in an increase of dye uptake and thereby contributes to enhancement of the photocurrent in the DSSC. (C) 2008 Elsevier B.V. All rights reserved.
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收藏
页码：331 / 335
页数：5
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