Searching for the formation of TiO2 mesoporous films with durable photoactivity by synergy of WO3 and sodium using a simple sputtering and annealing process

作者: Giin-Shan Chen , Chiaohung Cheng

DOI: 10.1016/J.APCATB.2013.12.017

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摘要: Abstract The fabrication of anatase TiO 2 thin films with a mesoporous framework by template-directing sol–gel or microemulsion method has drawn considerable attention because the compound's highly photocatalytic and superhydrophilic properties its potential use in wide variety applications, such as self-cleaning anti-fogging. In this study, , coupled widely ranging amount WO 3 are sputter deposited onto soda-lime glass, segregation annealing, along alternation their microstructures underlying reaction mechanisms involving sodium, is examined. This research highlights sputtering process to synthesize refined, regular grain structure controlled porosities, via synergy sodium form water-soluble tungstate through simple annealing process. contrast what generally agreed that contaminates photocatalysts, impacted exhibit exceptional durability much better photoactivity than undoped at degrading hydrocarbon layer giving long-last super-wetting surface. enhancement films’ activity elucidated structural analysis porosity identification.

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