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OALib Journal期刊
ISSN: 2333-9721
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zn2+/zno掺杂tio2光催化膜的制备及超亲水改性
Keywords: 溶胶凝胶法,tio2光催化膜,掺杂,超亲水,改性
Abstract:
？为了提高tio2光催化薄膜的利用效率，实验分别采用金属离子zn2+和其氧化物zno掺杂tio2的方法，制备以tio2为基体的复合光催化薄膜。利用简单易行的溶胶凝胶法，一种是将zn2+、zno掺杂于tio2溶胶中，分别制备金属、半导体氧化物掺杂的混合溶胶，采用浸渍提拉的方法以玻璃片为载体涂膜，然后用马弗炉进行热处理制得样品。另一种是利用sio2对2种掺杂的复合tio2薄膜进行表面处理改性后，热处理得样品。将所得样品进行接触角、紫外-可见分光光度计、红外、afm测试，对其性能进行表征。结果表明：zn2+的掺杂量为0.1g时，测试结果比较理想；经过sio2表面处理过的zn2+/tio2复合光催化膜的超亲水性最好，水滴刚滴上，静态接触角几乎为0°；zno/tio2复合光催化膜的吸光性能最高，但透过率较低，透明性比较差。
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