Ordered Crystalline TiO2 Nanotube Arrays on Transparent FTO Glass for Efficient Dye-Sensitized Solar Cells

被引：213

作者：

Lei, Bing-Xin ^{[1
]}

Liao, Jin-Yun ^{[1
]}

Zhang, Ran ^{[1
]}

Wang, Jing ^{[1
]}

Su, Cheng-Yong ^{[1
]}

Kuang, Dai-Bin ^{[1
]}

机构：

[1] Sun Yat Sen Univ, MOE Key Lab Bioinorgan & Synthet Chem, State Key Lab Optoelect Mat & Technol, Sch Chem & Chem Engn, Guangzhou 510275, Guangdong, Peoples R China

来源：

JOURNAL OF PHYSICAL CHEMISTRY C | 2010年 / 114卷 / 35期

基金：

中国国家自然科学基金;

关键词：

OPEN-CIRCUIT VOLTAGE; CONDUCTING OXIDE; NANOWIRE ARRAYS; FILMS; FABRICATION; TRANSPORT; SPHERES; GROWTH;

D O I：

10.1021/jp105780v

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：

The fabrication of highly ordered one-dimensional TiO2 nanotube arrays on transparent conductive glass is of key interest for constructing dye-sensitized solar cells (DSSCs) from the front-side illumination mode. We report the formation of large-scale free-standing TiO2 nanotube arrays via sonication of a TiO2 nanotube on Ti foil prepared by an anodization process, which can be further transferred to the fluorine-doped tin oxide conductive glass via a drop of TiO2 sal containing Ti(OBu)(4) and polyethylene glycol. The photovoltaic performance of DSSCs based on 20.8 mu m length TiO2 nanotube arrays on FTO glass reached 8.07%, which is higher than that of a TiO2 nanoparticle electrode (7.58%) because of the reduced electron combination and efficient light-harvesting efficiency for the former. It is also observed that the power conversion efficiency of DSSCs measured from the front-side illumination mode (8.07%) is higher than that of the back-side illumination mode (7.29%) owing to the light absorption by the iodine electrolyte and light reflection by the Pt counter electrode for the latter.

引用

页码：15228 / 15233

页数：6

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