TiO_2纳米线的制备及其光电性能研究  

Preparation and Photoelectrochemical Performance of TiO_2 Nanowires

作　　者：郝彦忠[1] 王利刚[1] 

机构地区：[1]河北科技大学理学院,石家庄050018

出　　处：《无机化学学报》2007年第12期2039-2043,共5页Chinese Journal of Inorganic Chemistry

基　　金：国家自然科学基金资助项目(No.20573031;2020300);河北省自然科学基金资助项目(No.202351);河北省教育厅指导性项目(No.Z2005203)

摘　　要：利用在钛箔表面沉积一层TiO2纳米粒子作为晶种,与NaOH反应,制备了一维物质TiO2纳米线。并用XRD、SEM、TEM、HRTEM及EDS等分析手段对TiO2纳米线的成分、形貌、结构进行表征。结果表明,采用该方法制得的TiO2纳米线直径在20￣50 nm左右、长度可达几微米。反应温度能显著影响所得纳米线的形貌。研究了TiO2纳米线的光电化学性能。随反应温度的升高TiO2纳米线光电转换效率增大。TiO2nanowires were prepared with hydrothermal method using Titanium foil deposited TiO2nanoparticles. TiO2 nanowires were characterized with XRD, SEM, TEM, HRTEM and EDS. The results indicate that the diameter of nanowire is about10-50 nm and the length up to several micrometers. The temperature affects remarkably the size and the morphology of TiO2 nanowires. The diameter and the length of nanowire increases with the increase in temperature. The photoelectrochemical properties of TiO2 nanowires were studied. The IPCE of TiO2 nanowires increases with the increase in reaction temperature.

关 键 词：TIO2 纳米线 光电化学 

分 类 号：O644[理学—物理化学]