Double-Layer Electrode Based on TiO2 Nanotubes Arrays for Enhancing Photovoltaic Properties in Dye-Sensitized Solar Cells

被引：41
作者：
He, Zuoli [1 ,2 ]
Que, Wenxiu [1 ,2 ]
Sun, Peng [1 ,2 ]
Ren, Jiangbo [1 ,2 ]
机构：
[1] Xi An Jiao Tong Univ, Sch Elect & Informat Engn, Elect Mat Res Lab, Xian 710049, Shaanxi, Peoples R China
[2] Xi An Jiao Tong Univ, Int Ctr Dielect Res, Xian 710049, Shaanxi, Peoples R China
来源：
ACS APPLIED MATERIALS & INTERFACES | 2013年 / 5卷 / 24期
基金：
中国国家自然科学基金; 高等学校博士学科点专项科研基金;
关键词：
TiO2; nanotube; array; microsphere; DSSC; PERFORMANCE; TRANSPORT;
D O I：
10.1021/am4044745
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The present work reports a rapid and facile method to fabricate a novel double-layer TiO2 photoanode, which is based on highly ordered TiO2 nanotube arrays and monodispersive scattering microspheres. This double-layer TiO2 sphere/TNTA photoanode have got many unique structural and optical properties from TiO2 scattering microspheres, such as high specific surface area, multiple interparticle scattering, and efficient light-harvesting. Results indicate that this as-fabricated double-layer TiO2 sphere/TNTA front-illumination dyesensitized solar cell, which is fabricated from the TiO2 nanotube arrays with a 17.4 mu m length after TiCl4 treatment, exhibits a pronounced power conversion efficiency of 7.24% under an AM1.5 G irradiation, which can be attributed to the increased incident photon-to-current conversion and light-harvesting efficiency.
引用
收藏
页码：12779 / 12783
页数：5
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