采用溶胶-凝胶法制备了铁掺杂二氧化钛粉体(Fe-TiO2),采用XRD、UV-Vis、PL、纳米粒度分析仪等方法对其进行表征和分析.结果表明,Fe掺杂降低了TiO2的相转变温度,拓展了TiO2对可见光的吸收范围,有效地抑制了光生电子-空穴对的复合.光催化降解亚甲基蓝(MB)的实验表明,Fe-TiO2粉体在普通日光灯下对亚甲基蓝的降解率达90.36％,明显优于德国Degussa公司生产的P25纯TiO2光催化剂对亚甲基蓝的降解率43.58％.
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