Photocatalytic Activity and Photodegradation Rate Constant of Au-TiO2 Nanofilms by Magnetron Sputtering

IF 0.6 4区 材料科学 Q4 MATERIALS SCIENCE, MULTIDISCIPLINARY 稀有金属材料与工程 Pub Date : 2018-11-01 DOI:10.1016/S1875-5372(18)30238-8
Kong Shaoqi, Song Xuanmin, Zhang Chunwang, Wang Wei, Yan Guochao
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引用次数: 3

Abstract

Au-TiO2 nanofilms were prepared on indium-tin oxide glass by magnetron sputtering. The growth of well-aligned Au/TiO2 nanofilms arrays by magnetron sputtering was presented for the first time. The Au/TiO2 nanofilms were grown on the surface of indium tin oxide (ITO) substrates. The photocatalytic activity of the prepared Au-TiO2 nanofilms in an aqueous solution of methylene blue (MB) was evaluated under the irradiation of visible-light. The experimental results show that the use of Au in TiO2 nanofilms improves photocatalytic activity of the MB organic compound significantly in the aqueous solution under the irradiation of visible light, and the photodegradation rate constants of the prepared Au/TiO2 nanofilms for the photodegradation of MB are larger than that of pure TiO2 nanofilms.

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磁控溅射制备Au-TiO2纳米膜的光催化活性和光降解速率常数
采用磁控溅射技术在氧化铟锡玻璃表面制备了Au-TiO2纳米膜。本文首次采用磁控溅射法制备了排列良好的Au/TiO2纳米膜阵列。在氧化铟锡(ITO)衬底表面生长了Au/TiO2纳米膜。在可见光的照射下,对制备的Au-TiO2纳米膜在亚甲基蓝水溶液中的光催化活性进行了评价。实验结果表明,在可见光照射下,Au在TiO2纳米膜中的使用显著提高了MB有机化合物在水溶液中的光催化活性,制备的Au/TiO2纳米膜对MB的光降解速率常数大于纯TiO2纳米膜。
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来源期刊
稀有金属材料与工程
稀有金属材料与工程 工程技术-材料科学:综合
CiteScore
1.30
自引率
57.10%
发文量
17973
审稿时长
4.2 months
期刊介绍:
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