Paramagnetic Impurities in Graphene Oxide

A. M. Panich, A. I. Shames, N. A. Sergeev

Research output: Contribution to journalArticlepeer-review

59 Scopus citations

Abstract

We report on electron paramagnetic resonance and nuclear magnetic resonance study of graphene oxide produced by the Hummers method. We show that this compound reveals isolated Mn2+ ions, which originate from potassium permanganate used in the process of the sample preparation. These ions are likely anchored to the graphene oxide planes and contribute to the 1H and 13C spin-lattice relaxation.

Original languageEnglish
Pages (from-to)107-116
Number of pages10
JournalApplied Magnetic Resonance
Volume44
Issue number1-2
DOIs
StatePublished - 1 Feb 2013

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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