通过仿生方法,以羽纹硅藻为模板,经钛盐溶液浸渍、煅烧去除模板后制得直径为10 μm左右的多孔TiO2微胶囊,研究了多孔TiO2微胶囊的结构特性以及其在可见光下降解亚甲基蓝溶液的催化性能.结果表明:煅烧后得到的多孔TiO2微胶囊具有多孔结构和较大的比表面积,并含有部分生物遗留下的氮元素;多孔结构及氮元素的掺杂使得多孔TiO2微胶囊具有优良的可见光催化降解亚甲基蓝效果.
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