用阳极氧化法制备多孔状的纳米晶二氧化钛薄膜,通过往阳极氧化的电解液中添加Fe3+使Fe3+进入二氧化钛薄膜中.研究了掺杂Fe3+对二氧化钛薄膜吸收光谱和光催化活性的影响,发现掺杂Fe3+使二氧化钛薄膜对入射光的吸收带边发生红移,讨论了其作用机制.
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