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Preparation of Gold-Modified Nitrogen-Doped TiO2 and Its Visible Light Photocatalytic Activity
Author(s): 
Pages: 353-363
Year: Issue:  5
Journal: Imaging Science and Photochemistry

Keyword:  TiO2金负载氮掺杂光催化;
Abstract: 以纳米管钛酸为前驱体,采用水热法先制备得到新型N掺杂二氧化钛,然后用沉积沉淀法在N掺杂二氧化钛表面负载微量贵金属Au,制备得到负载Au的掺N二氧化钛.利用TEM、XRD、XPS、ESR和DRS等手段研究了样品的形貌、晶体结构、元素化学态和光谱吸收性质.样品光催化活性通过可见光催化降解丙烯进行评价,结果表明,样品N-TiO2和Au/N-TiO2具有明显的可见光(γ≥420 nm)催化活性.ESR结果...
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