为了制备具有良好的光致超亲水性的SiO2-TiO2薄膜,实验用溶胶凝胶法结合超声技术以正硅酸乙酯(TEOS)和钛酸丁酯(TBOT)为前驱体制备SiO2-TiO2溶胶;采用浸渍提拉法在普通载玻片上涂膜;然后分别运用微波炉和马弗炉2种不同的烧结方式进行热处理制得产品.将所得产品分别进行接触角、紫外-可见分光光度计、FT-IR、AFM测试.结果表明:马弗炉烧结得到的SiO2-TiO2薄膜亲水性要好于微波炉烧结,并且在V(TEOS):V(TBOT)=0.75:1时,接触角最小,可达到4.3°,满足防污自清洁的要求;红外谱图说明有Ti-O-Si键的生成,证明SiO2和TiO2之间生成了复合氧化物.
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