采用溶胶-凝胶方法制备掺杂 Ag 的 TiO2粉末,掺杂 Ag 的物质的量浓度为:1%、2%、5%,利用 DSC-TGA、XRD对掺杂 Ag 的 TiO2 粉末的晶型结构进行了表征,结果表明:掺杂 Ag 降低了 TiO2 从锐钛矿相向金红石相转变的温度,促进了 TiO2 晶型结构的转变.
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