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Vol. 28 No. 5 (2016): Vol 28 Issue 5

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Extraction and Characterization of Wrinkled Graphene Nanolayers from Commercial Graphite

https://doi.org/10.14233/ajchem.2016.19577
A.V. Ramya
Department of Physics, Christ University, Bangalore-560 029, India
B. Manoj
Department of Physics, Christ University, Bangalore-560 029, India
Anu N. Mohan
Department of Physics, Christ University, Bangalore-560 029, India

Corresponding Author(s) : B. Manoj

manoj.b@christuniversity.in

Asian Journal of Chemistry, Vol. 28 No. 5 (2016): Vol 28 Issue 5

Abstract

A report on the synthesis of wrinkled graphene nano carbon from bulk graphite is presented here. The obtained graphene nano carbon comprises mixed phase, sp2-sp3 bonded disordered carbon network. The as synthesized samples were intercalated by Hummer’s method and are separated by centrifugation and sonication to obtain few layer graphene sheets. The structural and chemical changes of the nanostructure was elucidated by Raman spectroscopy, XRD, SEM-EDS, XPS, FTIR and UV-Vis-NIR spectroscopy. Raman spectra confirmed the existence of highly graphitized amorphous carbon with five peaks in the deconvoluted first order Raman spectrum. The IR and XPS analysis confirms the incorporation of functional groups to graphitic basal plane. There was a shift in the peaks position and intensity with intercalation. The synthesized graphene sheet is found to be in the graphite to nanocrystalline graphitic trajectory. The SEM analysis revealed the formation of large area wrinkled graphene sheets. The nanostructure formed is effortlessly scalable and ideally suitable for nano carbon composites based nano electronic devices and switches.

Keywords

Graphene Nanosheets Mixed phase Carbon
Ramya, A., Manoj, B., & Mohan, A. N. (2016). Extraction and Characterization of Wrinkled Graphene Nanolayers from Commercial Graphite. Asian Journal of Chemistry, 28(5), 1031–1034. https://doi.org/10.14233/ajchem.2016.19577
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