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Facile synthesis of mesoporous bicrystallized TiO2(B)/anatase (rutile) phases as active photocatalysts for nitrate reduction
Catalysis Communications 28 (2012) 58–63 • 2012
Publication Information
Authors
Mohamed Mohtar
Keywords
Nitrate photoreduction
Polymeric templates
Bicrystalline TiO2 (B)/anatase
Characterization
Journal
Catalysis Communications 28 (2012) 58–63
Publisher
Not Available
Volume
Not Available
Issue
Not Available
Pages
Not Available
publication.type
International
Paper Link
Not Available
Supplementary Materials
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Abstract
Polyhedral and wormhole-like mesoporous titania nanoparticles composed of TiO2(B) and anatase (rutile) were
successfully synthesized by hydrothermal self-assembly method employing, respectively polyacrylamide (AA),
polyvinyl alcohol (VA) and polyoxyethyl lauryl ether (ELE) as templates. TEM, X-ray diffraction, FTIR, UV–vis
DR spectroscopy and N2 sorptiometry were used for the characterization of surface morphology, phase composition,
electronic properties and surface texturing of the synthesized catalysts. The photocatalytic activity was
evaluated via the photo-reduction of nitrate in aqueous solution under UV light irradiation. The TiO2 catalyst
derived from ELE presented the highest activity due to the alternate structure of anatase and TiO2(B) phases.
© 2012 Elsevier B.V. All rights reserved
successfully synthesized by hydrothermal self-assembly method employing, respectively polyacrylamide (AA),
polyvinyl alcohol (VA) and polyoxyethyl lauryl ether (ELE) as templates. TEM, X-ray diffraction, FTIR, UV–vis
DR spectroscopy and N2 sorptiometry were used for the characterization of surface morphology, phase composition,
electronic properties and surface texturing of the synthesized catalysts. The photocatalytic activity was
evaluated via the photo-reduction of nitrate in aqueous solution under UV light irradiation. The TiO2 catalyst
derived from ELE presented the highest activity due to the alternate structure of anatase and TiO2(B) phases.
© 2012 Elsevier B.V. All rights reserved