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Synthesis, Characterization, and Photocatalytic Activity of TiO2/SiO2 Nanoparticles Loaded on Carbon Nanofiber Web

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Abstract:

TiO2/SiO2 catalysts were loaded on carbon nanofibers (CNF) support by sol–gel preparation and followed by a dip-coating and heat treatment up to 900 °C in inert atmosphere. The photocatalytic activities of the catalysts (TiO2/SiO2/CNF were tested by the photocatalytic degradation rate of methylene blue (MB) under UV irradiation. It was found that (TiO2/SiO2)/CNF showed a higher photocatalytic activity than TiO2/CNF only. It was analyzed that SiO2 contributed to an increase the photo catalytic activity by suppressing the phase transformation of the TiO2 crystals from anatase to rutile on the heat treatment up to 900 °C.

Keywords: ANATASE; CARBON NANOFIBER; PHOTOCATALYST; RUTILE; SOL-GEL; TIO2/SIO2

Document Type: Research Article

DOI: http://dx.doi.org/10.1166/jnn.2010.2289

Publication date: May 1, 2010

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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