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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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S掺杂的HTiNbO5纳米片:一种新型高效可见光催化剂
DOI: 10.1016/S1872-2067(12)60692-5, PP. 2089-2097
Keywords: 钛铌酸纳米片,硫,掺杂,光降解,罗丹明B,可见光
Abstract:
？将层状HTiNbO5剥层絮凝成HTiNbO5纳米片,然后与硫脲焙烧,制得了S掺杂的HTiNbO5纳米片.与原始HTiNbO5和HTiNbO5纳米片相比,该样品具有较大的比表面积和明显的可见光吸收.以罗丹明B为降解物,评价了该催化剂的吸附性能和可见光催化性能.结果表明,HTiNbO5纳米片和S掺杂的HTiNbO5纳米片都具有很好的吸附能力和很高的可见光降解速率.然而,对于罗丹明B的矿化,S掺杂的HTiNbO5纳米片可以达到41%矿化率,而HTiNbO5纳米片上矿化单几乎为零.这说明S掺杂能有效改善纳米片的光催化效果.最后,对可能的光催化机理进行了探讨.
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