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dc.contributor.authorHathaithip Ninsontien_US
dc.contributor.authorSaengrawee Sriwichaien_US
dc.contributor.authorNatda Wetchakunen_US
dc.contributor.authorWiyong Kangwansupamonkonen_US
dc.contributor.authorSukon Phanichphanten_US
dc.description.abstract© 2016 The Japan Society of Applied Physics. In this work, Au-loaded TiO2and Ag-loaded TiO2nanoparticles were synthesized by modified sol-gel method together with impregnation method. The samples were characterized by their physicochemical properties using X-ray diffraction (XRD) and X-ray photoelectron spectroscopy in order to obtain the correlation between structure and photocatalytic properties. XRD results indicated unloaded TiO2, Au-loaded TiO2and Ag-loaded TiO2nanoparticles were all in the anatase phase with average crystallite size in the range of 10-13 nm. In addition, XPS analysis confirmed the presence of Au and Ag elements in Au-loaded TiO2and Ag-loaded TiO2nanoparticles, respectively. The photocatalytic activities of TiO2, Au-loaded TiO2and Ag-loaded TiO2nanoparticles were evaluated through the mineralization of formic acid under UV-light illumination. The results showed that Au-loading and Ag-loading could effectively improve the photocatalytic activities of TiO2. Furthermore, Au-loaded TiO2exhibited a higher photocatalytic activity than Ag-loaded TiO2.en_US
dc.subjectPhysics and Astronomyen_US
dc.titleAu-loaded TiO<inf>2</inf>and Ag-loaded TiO<inf>2</inf>synthesized by modified sol-gel/impregnation method as photocatalystsen_US
article.title.sourcetitleJapanese Journal of Applied Physicsen_US
article.volume55en_US Mai Universityen_US National Science and Technology Development Agencyen_US
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