EPR and Impedance Measurements of Graphene Oxide and Reduced Graphene Oxide

• Authors: M. Kempiński , S. Łoś , P. Florczak , W. Kempiński , S. Jurga
• Languages of publication: EN

Abstracts

EN

We report the observations of electron paramagnetic resonance and impedance measurements of graphene oxide and reduced graphene oxide performed in the wide temperature range in order to get insight into the electronic properties of graphene-based materials and the role of oxygen functionalities in the charge carrier transport phenomena. In such systems the strong spin localization, hopping charge carrier transport as well as the formation of adsorption layers are observed, all the phenomena changing significantly after the heavily oxidized graphene is reduced.

Keywords

EN

72.80.Vp; 76.30.-v

Discipline

• 76.30.-v: Electron paramagnetic resonance and relaxation(see also 33.35.+r Electron resonance and relaxation in atomic and molecular physics; 87.80.Lg Magnetic and paramagnetic resonance in biological physics)
• 72.80.Vp: Electronic transport in graphene

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 2017
• Volume: 132
• Issue: 1
• Pages: 81-85

Dates

published

2017-07

Contributors

author

M. Kempiński

• Faculty of Physics, Adam Mickiewicz University, Umultowska 85, 61-614 Poznań, Poland
• NanoBioMedical Centre, Adam Mickiewicz University, Umultowska 85, 61-614 Poznań, Poland

author

S. Łoś

• Institute of Molecular Physics, Polish Academy of Sciences, M. Smoluchowskiego 17, 60-179 Poznań, Poland

author

P. Florczak

• NanoBioMedical Centre, Adam Mickiewicz University, Umultowska 85, 61-614 Poznań, Poland

author

W. Kempiński

• Institute of Molecular Physics, Polish Academy of Sciences, M. Smoluchowskiego 17, 60-179 Poznań, Poland

author

S. Jurga

• Faculty of Physics, Adam Mickiewicz University, Umultowska 85, 61-614 Poznań, Poland
• NanoBioMedical Centre, Adam Mickiewicz University, Umultowska 85, 61-614 Poznań, Poland

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Identifiers

DOI

10.12693/APhysPolA.132.81