采用溶胶-凝胶工艺在ITO导电玻璃基片表面制备了均匀致密的TiO2薄膜.采用XRD和TG-DTA表征了薄膜的结构和热重特性,使用电化学工作站和紫外-可见分光光度计研究了TiO2薄膜的电致变色性能.结果表明,外加电压控制在±2V、热处理温度为250℃时,TiO2薄膜为不定形结构,具有较好的电致变色特性,注入电荷密度为5.13 mC· cm-2,循环可逆性K值为0.49,着色态透光率在60％以下,着色态、褪色态光谱透过率相差20％.
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