Preparation of carbon-coated Magneli phases TinO2n―1 and their photocatalytic activity under visible light
作者： Masahiro Toyoda , Takashi Yano , Beata Tryba , Sylwia Mozia , Tomoki Tsumura
DOI: 10.1016/J.APCATB.2008.09.009
关键词: Inert gas 、 Vinyl alcohol 、 Photocatalysis 、 Matrix (chemical analysis) 、 Nuclear chemistry 、 Materials science 、 Grain growth 、 Powder mixture 、 Visible spectrum 、 Sintering 、 Mineralogy
摘要: Abstract Carbon-coated Magneli phases Ti n O 2 −1 were prepared by a simple heat treatment of the powder mixture rutile-type TiO with poly(vinyl alcohol) PVA at 1100 °C in inert atmosphere. The lower /PVA ratio resulted -value. thus showed photocatalytic activity under visible light. -vales and 3 had higher light than those -values more 4. Carbon coated on particles was found to reduce matrix during treatment, addition suppress sintering grain growth enhance increasing local concentration pollutant due its adsorptivity.
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