{001} Facets of anatase TiO2 show high photocatalytic selectivity
{001} Facets of anatase TiO2 show high photocatalytic selectivity
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{001} 锐钛矿型 TiO2 的晶面表现出高光催化选择性
DOI:
10.1016/j.matlet.2012.04.045
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发表时间:
2012-07
影响因子:
3
通讯作者:
Ji, Zhenguo
中科院分区:
文献类型:
--
作者:
Zhang, Jun;Chen, Wanke;Xi, Junhua;Ji, Zhenguo
{001} Facets of anatase TiO2show excellent photocatalytic selectivity which is confirmed by photo-degradation of azo dye molecules. A novel adsorption and degradation competition between dyes on the {001} facets of TiO2is found. The TiO2nanosheets with a large percentage of exposed {001} facets show preferential adsorption and photo-degradation of methylene blue than methyl orange and rhodamine B. Instead of charged chemical group adsorption on the surface, the reactive oxygen atoms and separation of photo-induced holes on {001} facets are consider to be key factors for the high photocatalytic selectivity.
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