Charge transfer properties of TiO2 nanotube arrays electrodes - 文章详情页

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TiO2　nanotube　arrays　were　quickly　synthesized　by　sonoelectrochemical　method　in　the　anodizing　solution　of　0.5　M　H3PO4　and　0.14　M　NaF.　Self-ordered　arrays　of　TiO2　nanotubes　can　be　growth　effective　by　increasing　the　potential　in　a　certain　scale.　Compared　to　10　V　sample,　the　20　V　sample　which　gave　an　average　photocurrent　density　of　5.6　mA/cm2　at　zero　bias　and　the　photo-voltage　of　about　0.9　V/SCE　with　the　light　source　of　a　500　W　high-pressure　mercury　lamp　had　greater　photoelectrochemical　properties.　And　the　10　V　and　20　V　samples　showed　approximate　flat　band　potential,　but　the　latter　exhibited　higher　photocurrent　and　larger　charge　carrier　density.

关键词：

Anodic oxidation Carrier concentration Charge carriers Charge transfer Light sources Nanotubes Photocurrents Sodium compounds Titanium dioxide

作者机构：

[ 1 ] [Zhang, Zhi-Yu]Key Laboratory of Enhanced Heat Transfer and Energy Conservation, College of Environmental and Energy Engineering, Beijing University of Technology, Beijing 100124, China
[ 2 ] [Sang, Li-Xia]Key Laboratory of Enhanced Heat Transfer and Energy Conservation, College of Environmental and Energy Engineering, Beijing University of Technology, Beijing 100124, China
[ 3 ] [Lu, Li-Ping]Key Laboratory of Enhanced Heat Transfer and Energy Conservation, College of Environmental and Energy Engineering, Beijing University of Technology, Beijing 100124, China
[ 4 ] [Bai, Guang-Mei]Key Laboratory of Enhanced Heat Transfer and Energy Conservation, College of Environmental and Energy Engineering, Beijing University of Technology, Beijing 100124, China
[ 5 ] [Du, Chun-Xu]Key Laboratory of Enhanced Heat Transfer and Energy Conservation, College of Environmental and Energy Engineering, Beijing University of Technology, Beijing 100124, China
[ 6 ] [Ma, Chong-Fang]Key Laboratory of Enhanced Heat Transfer and Energy Conservation, College of Environmental and Energy Engineering, Beijing University of Technology, Beijing 100124, China

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