Paramagnetic Impurities in Graphene Oxide

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

doi:10.1007/s00723-012-0392-z

Paramagnetic Impurities in Graphene Oxide

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

Department of Physics

Research output: Contribution to journal › Article › peer-review

60 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 language	English
Pages (from-to)	107-116
Number of pages	10
Journal	Applied Magnetic Resonance
Volume	44
Issue number	1-2
DOIs	https://doi.org/10.1007/s00723-012-0392-z
State	Published - 1 Feb 2013

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics

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title = "Paramagnetic Impurities in Graphene Oxide",

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.",

author = "Panich, {A. M.} and Shames, {A. I.} and Sergeev, {N. A.}",

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AU - Shames, A. I.

AU - Sergeev, N. A.

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N2 - 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.

AB - 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.

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DO - 10.1007/s00723-012-0392-z

M3 - Article

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VL - 44

SP - 107

EP - 116

JO - Applied Magnetic Resonance

JF - Applied Magnetic Resonance

IS - 1-2

ER -

Paramagnetic Impurities in Graphene Oxide

Abstract

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