Carbon nanomaterial produced by microwave exfoliation of graphite oxide: new insights

We present detailed characterization of graphene-like material obtained through microwave stimulated exfoliation of graphite oxide (GO). Properties of this material were studied by multiple techniques including, among others, X-ray photoelectron spectroscopy, mass-spectroscopy, infrared and Raman sp...

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Bibliographic Details
Published inRSC advances Vol. 4; no. 2; pp. 587 - 592
Main Authors Shulga, Y. M., Baskakov, S. A., Knerelman, E. I., Davidova, G. I., Badamshina, E. R., Shulga, N. Yu, Skryleva, E. A., Agapov, A. L., Voylov, D. N., Sokolov, A. P., Martynenko, V. M.
Format Journal Article
LanguageEnglish
Published United States 01.01.2014
Subjects
Broadband
Carbon
Exfoliation
Graphite
Microwaves
Nanostructure
Oxides
Specific surface
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Summary:We present detailed characterization of graphene-like material obtained through microwave stimulated exfoliation of graphite oxide (GO). Properties of this material were studied by multiple techniques including, among others, X-ray photoelectron spectroscopy, mass-spectroscopy, infrared and Raman spectroscopy, scanning electron microscopy and broadband dielectric spectroscopy. Specific surface area and volume of microwave exfoliated graphite oxide reached 600 m super(2) g super(-1) and 6 cm super(3) g super(-1), respectively. It is shown that during such an explosive reduction process the sample emits CO sub(2), CO and H sub(2)O and, in some cases, SO sub(2) gases. The resulting reduced material exhibits IR spectra similar to that of graphite and a dc-conductivity of 0.12 S cm super(-1).
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content type line 23
DE-AC05-00OR22725
USDOE Office of Science (SC)
ISSN:2046-2069
2046-2069
DOI:10.1039/C3RA43612H