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二氧化钛表面光学特性与光催化活性的关系
Authors
吴鸣
孙奉玉
+4 more
李文钊
李新勇
王复东
顾婉贞
Publication date
Publisher
Abstract
本文考察了二氧化钛经氢气氛热处理后对其光催化降解苯酚活性的影响。结果DRS,FS,XRD等研究手段,发现二氧化钛光催化降解苯酚的活性与其光学特性(吸收光能力和荧光发射强度)有较好的一致性,而光学特性来自表面态。由此,提出了二氧化钛光学表面态的概念,认为与光催化活性密切相关的二氧化钛光学表面态的性质,是由这些钛羟基和低价钛的数量及比例决定的
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Last time updated on 07/01/2020