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采用XRD和DTA -TG等方法研究了溶胶 -凝胶法制备的TiO2 -SiO2 二元系统的结晶相 ,锐钛矿 -金红石晶相转变温度与组成的关系 ,锐钛矿微晶尺寸与组成的关系 ,探讨形成这些结晶特征的结构原因以及对微晶薄膜光电流的影响
The crystal phase, anatase-rutile crystal phase transition temperature and composition of TiO2-SiO2 binary system prepared by sol-gel method were studied by XRD and DTA-TG methods. The size and composition of anatase crystallite Relationship, to explore the formation of these crystalline features of the structural causes and microcrystalline thin film photocurrent