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TiO2-graphene oxide nanocomposite as advanced photocatalytic materials

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Štengl, Václav, Bakardjieva, Snejana, Grygar, Tomáš Matys, Bludská, Jana, Kormunda, Martin·2013·Chemistry Central Journal

Abstract

BACKGROUND: Graphene oxide composites with photocatalysts may exhibit better properties than pure photocatalysts via improvement of their textural and electronic properties. RESULTS: TiO2-Graphene Oxide (TiO2 - GO) nanocomposite was prepared by thermal hydrolysis of suspension with graphene oxide (GO) nanosheets and titania peroxo-complex. The characterization of graphene oxide nanosheets was provided by using an atomic force microscope and Raman spectroscopy. The prepared nanocomposites samples were characterized by Brunauer-Emmett-Teller surface area and Barrett-Joiner-Halenda porosity, X-ray Diffraction, Infrared Spectroscopy, Raman Spectroscopy and Transmission Electron Microscopy. UV/VIS diffuse reflectance spectroscopy was employed to estimate band-gap energies. From the TiO2 - GO samples, a 300 μm thin layer on a piece of glass 10×15 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. CONCLUSIONS: The best photocatalytic activity under UV was observed for sample denoted TiGO_100 (k = 0.03012 h-1), while sample labeled TiGO_075 (k = 0.00774 h-1) demonstrated the best activity under visible light.

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Metadata

Authors
Štengl, V., Bakardjieva, S., Grygar, T. M., Bludská, J., & Kormunda, M.
Venue
Chemistry Central Journal
Published
2013-02-27
Volume
7
Issue
1
Pages
41-41
ISSN
1752-153X (ISSN-L)
OpenAlex
W2154674654
Cited by
276
References
1
FWCI
7.93
Type
journal article
Language
en
Open access
gold

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CoChat. (2026). Citation check: TiO2-graphene oxide nanocomposite as advanced photocatalytic materials. https://app.cochat.ai/papers/10.1186/1752-153x-7-41
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Štengl, V., Bakardjieva, S., Grygar, T. M., Bludská, J., & Kormunda, M. (2013). TiO2-graphene oxide nanocomposite as advanced photocatalytic materials. Chemistry Central Journal. https://doi.org/10.1186/1752-153x-7-41

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