采用NH4F-DMSO-甘油-H2O溶液体系的电化学阳极氧化法,经高温热处理后,在金属钛基板上制备了有序的TiO2纳米管阵列薄膜.通过计时安培法、循环伏安曲线、光照开路电位谱和瞬态光电流谱技术对纳米管阵列电极的电致变色及光电化学特性进行了研究.结果表明,TiO2纳米管为混晶组成,阵列薄膜具有大比表面积和高长径比.纳米管阵列电极具有稳定的阴极电致变色效应,快速的着色/褪色反应时间.与TiO2纳米多孔膜电极相比,TiO2纳米管阵列电极的光电流及光照开路电压都显著增加.
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