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Manufacturing Titanium Dioxide (Anatase and Rutile) Nanoparticles on the Surface of Reduced Graphene Oxide

Manufacturing Titanium Dioxide (Anatase and Rutile) Nanoparticles on the Surface of Reduced... A method has been developed for synthesizing composites of titanium oxide nanoparticles (anatase and rutile) on the surface of reduced graphene oxide flakes in supercritical isopropanol. Supercritical isopropanol acts in synthesis not only as a reducing agent but also as a reaction medium, while reducing graphene oxide. After treatment in supercritical isopropanol, anatase and rutile nanoparticles are deposited onto the graphene surface, retaining dispersion and slightly increasing in size. The resulting nanocomposites have been characterized by X-ray diffraction analysis, transmission electron microscopy, and atomic force microscopy. The average size of titanium dioxide nanoparticles on the surface of graphene oxide is 7–9 nm in the case of anatase and 200–220 nm in the case of rutile. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Doklady Chemistry Springer Journals

Manufacturing Titanium Dioxide (Anatase and Rutile) Nanoparticles on the Surface of Reduced Graphene Oxide

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References (19)

Publisher
Springer Journals
Copyright
Copyright © Pleiades Publishing, Ltd. 2021. ISSN 0012-5008, Doklady Chemistry, 2021, Vol. 501, Part 2, pp. 255–258. © Pleiades Publishing, Ltd., 2021. Russian Text © The Author(s), 2021, published in Doklady Rossiiskoi Akademii Nauk. Khimiya, Nauki o Materialakh, 2021, Vol. 501, pp. 27–31.
ISSN
0012-5008
eISSN
1608-3113
DOI
10.1134/s0012500821120028
Publisher site
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Abstract

A method has been developed for synthesizing composites of titanium oxide nanoparticles (anatase and rutile) on the surface of reduced graphene oxide flakes in supercritical isopropanol. Supercritical isopropanol acts in synthesis not only as a reducing agent but also as a reaction medium, while reducing graphene oxide. After treatment in supercritical isopropanol, anatase and rutile nanoparticles are deposited onto the graphene surface, retaining dispersion and slightly increasing in size. The resulting nanocomposites have been characterized by X-ray diffraction analysis, transmission electron microscopy, and atomic force microscopy. The average size of titanium dioxide nanoparticles on the surface of graphene oxide is 7–9 nm in the case of anatase and 200–220 nm in the case of rutile.

Journal

Doklady Chemistry – Springer Journals

Published: Dec 1, 2021

Keywords: graphene; reduced graphene oxide; nanoparticles; titanium oxide; supercritical isopropanol

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