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Proceedings Paper

Characterization of GO and TiO2-GO composites prepared by using microwave technique
Author(s): Chariya Patomnetikul; Somchai Thongtem; Suparut Narksitipan
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Paper Abstract

Graphene oxide (GO) and titanium dioxide-graphene oxide (TiO2-GO) composites were prepared by microwave technique at power of 500 W and for 10 min. The crystalline structure, chemical structure and morphological of graphite, GO and TiO2-GO were investigated in this study. The morphology of GO and TiO2-GO composites were characterized by scanning electron microscopy (SEM). It showed that the TiO2-GO composites seem to consist of TiO2 particles aggregated on the top of graphene oxide layer. The strong peak in the XRD pattern of natural graphite appears at 2θ = 26.6°, corresponding with the interlayer spacing of 0.329 nm while the GO pattern shows a characteristic peak at 2θ = 11.8° is assigned to (002) inter-planar spacing of 0.736 nm, indicating the presence of oxygen-containing functional groups formed during oxidation. These groups cause the GO sheets to stack more loosely, and the interlayer spacing increases from 0.329 nm to 0.736 nm. Additionally, XRD pattern for the TiO2-GO composites at 2θ = 25.3° can be ascribed to the anatase phase of TiO2 (JCPDF 21-1272), which is significantly different from the natural graphite and graphene oxide.

Paper Details

Date Published: 2 June 2014
PDF: 5 pages
Proc. SPIE 9234, International Conference on Experimental Mechanics 2013 and Twelfth Asian Conference on Experimental Mechanics, 923406 (2 June 2014); doi: 10.1117/12.2054142
Show Author Affiliations
Chariya Patomnetikul, Maejo Univ. (Thailand)
Somchai Thongtem, Chiang Mai Univ. (Thailand)
Suparut Narksitipan, Maejo Univ. (Thailand)

Published in SPIE Proceedings Vol. 9234:
International Conference on Experimental Mechanics 2013 and Twelfth Asian Conference on Experimental Mechanics
Somnuk Sirisoonthorn, Editor(s)

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