access icon free Preparation and characterisation of Ag modified rutile titanium dioxide and its photocatalytic activity under simulated solar light

Generally, anatase titanium dioxide (TiO2) exhibit better photocatalytic activity than rutile TiO2. In the present work, Ag modified TiO2 were prepared by a simple sol–gel method and the photocatalytic activity of pure TiO2 was enhanced via adding Ag. Moreover, Ag modified rutile TiO2 shows the best photocatalytic activity compared to Ag modified anatase TiO2 and pure TiO2 owing to the lowest recombination rate of photogenerated pairs and the most surface hydroxyl groups.

Inspec keywords: electron-hole recombination; catalysis; sol-gel processing; titanium compounds; photochemistry; silver

Other keywords: TiO2:Ag; photogenerated pair recombination rate; surface hydroxyl groups; Ag modified rutile titanium dioxide; photocatalytic activity; simple sol-gel method; simulated solar light; Ag modified anatase titanium dioxide

Subjects: Heterogeneous catalysis at surfaces and other surface reactions; Sorption and accommodation coefficients (surface chemistry); Other heat and thermomechanical treatments; Deposition from liquid phases (melts and solutions); Photochemistry and radiation chemistry

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http://iet.metastore.ingenta.com/content/journals/10.1049/mnl.2018.5679
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