采用溶胶-凝胶法合成Fe-TiO2和分子筛负载型Fe-TiO2/HZSM-5光催化剂.采用扫描电镜、X-射线衍射和傅里叶变换红外光谱分析了光催化剂的表面形貌、晶相结构及化学键的变化.光催化实验结果表明,通过掺杂Fe提高了TiO2和TiO2/HZSM-5的光催化活性,Fe-TiO2和Fe-TiO2/HZSM-5中Fe/Ti的最佳掺杂比分别为0.0005和0.0007.Fe的引入不足以改变TiO2的表面形貌,铁离子的掺入并未影响TiO2的晶型结构,但是可以提高TiO2的晶型转变温度.掺杂Fe后TiO2与HZSM-5也没有发生明显的化学键合作用.
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