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材料工程  2008 

采用层层组装技术制备TiO2中空纳米纤维膜催化剂

Keywords: 层层组装,TiO2,聚电解质,中空纤维,光催化

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Abstract:

采用静电纺丝技术和层层组装技术制备了聚电解质/TiO2复合中空纳米纤维。以电纺聚苯乙烯纤维为模板,聚电解质交替吸附在纤维表面,再用有机溶剂溶掉PS纤维模板获得多层聚电解质中空纤维。纤维的平均直径和壁厚能通过模板和吸附层数很好的得到控制。在对比P25TiO2和TiO2中空纤维对亚甲基蓝的光催化性能实验中,发现TiO2中空纤维具有更好的光催化性能。TiO2/聚电解质复合中空纳米纤维有望应用于光催化,可控药物释放等。

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