Fabrication of dye-sensitized solar cells by transplanting highly ordered TiO2 nanotube arrays

被引：112
作者：
Park, Hun [2 ]
Kim, Woong-Rae [1 ]
Jeong, Hyo-Tae [1 ]
Lee, Jae-Joon [3 ]
Kim, Ho-Gi [2 ]
Choi, Won-Youl [1 ]
机构：
[1] Kangnung Wonju Natl Univ, Dept Met & Mat Engn, Kangnung 210702, South Korea
[2] Korea Adv Inst Sci & Technol, Dept Mat Sci & Engn, Taejon 305701, South Korea
[3] Konkuk Univ, Dept Appl Chem, Chungju 380701, South Korea
来源：
SOLAR ENERGY MATERIALS AND SOLAR CELLS | 2011年 / 95卷 / 01期
关键词：
TiO2; nanotube; Transplanting process; Anodic oxidation; Dye-sensitized solar cells; ELECTRODES; TITANIUM;
D O I：
10.1016/j.solmat.2010.02.017
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
Highly ordered TiO2 nanotube arrays fabricated by anodization are very attractive to dye-sensitized solar cells (DSCs) due to their superior charge percolation and slower charge recombination. However, the efficiency of TiO2-nanotube-based DSCs is 6.89%, which is still lower than that of TiO2-nanoparticle-based DSCs. We have suggested the transplanting the highly ordered TiO2 nanotube arrays to FTO glass to improve the performance of TiO2-nanotube-based DSCs. DSCs based on transplanted TiO2 nanotube arrays and TiO2 nanoparticles were fabricated by same process and materials to exclude the unexpected factors. In TiO2 thickness of ca. 15 mu m, the efficiency of 2.91% in front-side illuminated DSCs based on TiO2 nanotube arrays was higher than those in back-side illuminated DSCs based on TiO2 nanotube arrays and in front-side illuminated DSCs based on TiO2 nanoparticle. Front-side illuminated DSCs based on TiO2 nanotube arrays having various thicknesses were successfully fabricated. The efficiency in DSCs having 20.0 mu m thick TiO2 nanotube arrays was improved to 5.36% by TiCl4 treatment. (C) 2010 Elsevier B.V. All rights reserved.
引用
收藏
页码：184 / 189
页数：6
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