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添加壳聚糖溶胶-凝胶法制备的TiO2光催化剂及其光催化性能研究

Keywords: TiO2,壳聚糖,溶胶凝胶,光催化

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Abstract:

采用添加壳聚糖(CTS)的溶胶凝胶法制备了具有较高光催化活性的TiO2光催化剂,并用XRD、TEM、BET和IR等手段对其进行表征。结果表明,CTS的添加使TiO2衍射强度增强、分散性提高、比表面积增大从而使光催化活性提高;用所制备的催化剂光催化降解甲基橙反应60min后,其去除率由不添加CTS所制备TiO2的32%提高到48%,TOC去除率由14%提高到23%。

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