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采用静电纺丝技术,以硫酸钛、聚乙烯吡咯烷酮、DMF和水为原料,制备出柔性Ti02纳米纤维.用XRD、SEM、TEM和TG-DTA等分析手段对纳米纤维进行表征,结果表明,所得产物为多晶结构柔性TiO2纳米纤维,平均直径约为100nm,长度>300 μm.以甲基橙、罗丹明B和苯酚为降解物,考察了焙烧温度对光催化效果的影响,柔性TiO2纳米纤维对这3种降解物均可送到较高的降解率.对柔性TiO2纳米纤维的形成机制进行了讨论.

参考文献

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