Synthesis and characterization of anatase TiO2 nanotubes and their use in dye-sensitized solar cells

被引：89
|
作者：
Wang, Daoai [1 ,2 ]
Yu, Bo [1 ]
Zhou, Feng [1 ]
Wang, Chengwei [1 ,3 ]
Liu, Weimin [1 ]
机构：
[1] Chinese Acad Sci, Lanzhou Inst Chem Phys, State Key Lab Solid Lubricat, Lanzhou 730000, Peoples R China
[2] Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
[3] NW Normal Univ, Lanzhou 730070, Peoples R China
来源：
MATERIALS CHEMISTRY AND PHYSICS | 2009年 / 113卷 / 2-3期
关键词：
Hydrothermal synthesis; TiO2; nanotubes; Composite electrode; Dye-sensitized solar cells; ANODIC-OXIDATION; FABRICATION; ARRAYS; FILMS; TITANIUM;
D O I：
10.1016/j.matchemphys.2008.08.011
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Anatase TiO2 nanotubes (NTs) with the diameter of about 12 nm and the length of several hundreds nanometers were synthesized by hydrothermal method. The samples were characterized by X-ray diffraction (XRD), transmitting electron microscopy (TEM), X-ray photoelectron spectroscopy (XPS) and Brunauer-Emmet-Teller (BET) measurements. The NTs are used to make composites photoanode with pristine TiO2 nanoparticles in dye-sensitized solar cells (DSSCs). It was found that the NT/nanoparticle ratio had a pronounced impact on the performance of solar cells. The electrode composite has better photoelectric properties than the full nanoparticle and NTs solar cells. The optimum content NTs, was found to be 5%, at which content the incident photon to current efficiency was about 63.1%, an 13.8% increment compared to that using full P25 under the same condition. (C) 2008 Elsevier B.V. All rights reserved
引用
收藏
页码：602 / 606
页数：5
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