Oxidation Time Dependence of Graphene Oxide

Koichi SAKAGUCHI; Akinori FUJITO; Seiko UCHINO; Asami OHTAKE; Noboru TAKISAWA; Kunio AKEDO; Masanao ERA

doi:10.1587/transele.E96.C.369

IEICE Transactions on Electronics

Online ISSN : 1745-1353
Print ISSN : 0916-8524

Special Section on Recent Progress in Molecular and Organic Devices

Oxidation Time Dependence of Graphene Oxide

Koichi SAKAGUCHI, Akinori FUJITO, Seiko UCHINO, Asami OHTAKE, Noboru TAKISAWA, Kunio AKEDO, Masanao ERA

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Keywords: graphene oxide, particle size, zeta potential, oxidation control

JOURNAL RESTRICTED ACCESS

2013 Volume E96.C Issue 3 Pages 369-371

DOI https://doi.org/10.1587/transele.E96.C.369

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Abstract

We investigated oxidation time dependence of graphene oxide employing modified Hummer method by dynamic light scattering. Oxidation reaction proceeded rapidly within about 24 hours, and was saturated. It is suggested that graphene oxides were not able to freely fragment. This implies that the oxidation reactions occur at the limited sites.

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