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TiO(2)-graphene nanocomposite as high performace photocatalysts
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SYSNO ASEP 0374671 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title TiO(2)-graphene nanocomposite as high performace photocatalysts Author(s) Štengl, Václav (UACH-T) RID, ORCID, SAI
Popelková, Daniela (UACH-T) SAI
Vláčil, P. (CZ)Source Title Journal of Physical Chemistry C. - : American Chemical Society - ISSN 1932-7447
Roč. 115, č. 51 (2011), s. 25209-25218Number of pages 10 s. Language eng - English Country US - United States Keywords titanium-dioxide ; visible-light ; doped TiO2 ; degradation ; graphene ; oxide Subject RIV CA - Inorganic Chemistry R&D Projects FI-IM3/061 GA MPO - Ministry of Industry and Trade (MPO) FI-IM5/239 GA MPO - Ministry of Industry and Trade (MPO) CEZ AV0Z40320502 - UACH-T (2005-2011) UT WOS 000298214800003 DOI 10.1021/jp207515z Annotation Nonstoichiometric TiO(2)-graphene nanocomposite was prepared by thermal hydrolysis of suspension with graphene nanosheets and titania-peroxo complex. The characterization of graphene nanosheets was provided by using an atomic force microscope (AFM). The prepared samples were characterized by Brunauer-Emmett-Teller (BET) surface area and Barrett-Joiner-Halenda porosity (BJH), X-ray diffraction (XRD), infrared spectroscopy (IR), Raman spectroscopy (RS), and transmission electron microscopy (TEM). UV/vis diffuse reflectance spectroscopy was employed to estimate band gap energies. From the titania/graphene samples, a 300 mu m thin layer on a piece of glass 10 x 15 cm was created. The photocatalytic activity of the prepared layers was assessed from the kinetics of the photocatalytic degradation of butane in the gas phase. With regard to the degree of mineralization of butane, the sample labeled TiPC0100 and containing 0.1 g of graphene nanosheets then can be considered as the most active sample. Workplace Institute of Inorganic Chemistry Contact Jana Kroneislová, krone@iic.cas.cz, Tel.: 311 236 931 Year of Publishing 2012
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