Fabrication and photoelectrochemical properties of TIO2 nanotube arrays

被引：0

作者：

Li, Yunlin ^{[1
]}

Li, Lili ^{[2
]}

Yang, Zhiguang ^{[1
]}

机构：

[1] Zhoukou Normal Univ, Sch Chem & Chem Engineeing, Zhoukou, Henan, Peoples R China

[2] Zhoukou Normal Univ, Sch Life Sci & Agr, Zhoukou, Henan, Peoples R China

来源：

CHIMICA OGGI-CHEMISTRY TODAY | 2016年 / 34卷 / 6B期

关键词：

TiO2 nanotube arrays; anodization; aspect ratio; photoconversion efficiency; photoelectrocatalytic activity; SOLAR-CELLS; ANODIZATION; MORPHOLOGY; LENGTH;

D O I：

暂无

中图分类号：

Q81 [生物工程学（生物技术）]; Q93 [微生物学];

学科分类号：

071005 ; 0836 ; 090102 ; 100705 ;

摘要：

Highly ordered TiO2 nanotube arrays (TNAs) were synthesized by anodization of titanium sheets to investigate their synthesis method and photoelectrochemical properties. Parameters including anodization voltage and anodization time were adjusted to fabricate TNAs. Electrochemical test demonstrated that TNAs fabricated at increased anodization voltage exhibited superior photon-to-current conversion efficiency than those of TNAs fabricated under low anodizing voltages. TNAs with the largest pore size (125.03 nm) and the longest tube length (25.85 mu m) had the optimum aspect ratio and displayed a maximum photocurrent density of 0.048 mA/cm(2). Meanwhile, TNAs with optimal tube length (2.85 mu m) and aspect ratio (27) exhibited a maximum photoconversion efficiency of 0.15%. Results provided strong theory basis and technology support for further exploration in this field.

引用

页码：8 / 12

页数：5

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