Investigation of TiO2 Nanotube Electrodes: Fabrication, Annealing and Electrochemical Properties

摘要：

Highly-ordered titania nanotube electrodes were fabricated by electrochemical anodization of pure titanium foil in potassium fluoride electrolyte. The nanotube electrodes were then annealed at different temperatures (300℃ ， 500℃ and 600℃) in air for 3 hours. The morphology and crystallinity of nanotube arrays were studied by SEM and XRD. The electrochemical properties of titania nanotube electrodes before and after annealed under different temperatures were investigated by means of cyclic voltammetry with 10mM K3Fe(CN)6 as an electrolyte at a sweep rate of 0.1V/s.A pair of oxidation/reduction peaks was observed during the test. The results show that the higher annealing temperature, the larger oxidation/reduction peak separation. Photocurrent response was also measured in 0.01M Na2SO4 under the UV-Vis illumination.

关键词： Titania Nanotube Electrodes Anodization Calcination Electrochemical Property

作者: Yunhuai ZHANG Xiaoyan FAN Peng Xiao

作者单位: College of Chemistry & Chemical Engineering, Chongqing University, Chonging 400030, China College of Chemistry & Chemical Engineering, Chongqing University, Chongqing 400030, China College of Mathematics & Physics, Chongqing University, Chongqing 400030, China

会议类型: 国际会议

会议名称: 2008年中美材料国际研讨会

会议地点: 重庆

会议语种:英文

页码: 1143-1149

在线出版日期: 2008-06-09（万方平台首次上网日期，不代表论文的发表时间）