本文以TiCl4为前驱体,以FeCl3为原料,制备掺杂铁量不等纳米TiO2样品,并通过XRD、XRF、HR-TEM、STEM EDS-Mapping等方法对样品进行表征和分析.实验结果表明,随着掺铁量的增加,TiO2晶格畸变显著增大,晶体的缺陷逐渐由点缺陷、线缺陷向面缺陷发展,发现Fe3+掺杂量为0.01％时,样品对紫外-可见光吸收边带值最佳,纳米TiO2的光催化活性也达到最佳.
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