Room temperature reduction of multilayer graphene oxide film on a copper substrate: Penetration and participation of copper phase in redox reactions

A self-reduction of graphene oxide (GO) at room temperature after prolonged storage on a copper substrate is evidenced by decrease of oxygen content and a dramatic, 6 orders in magnitude, increase in dc conductivity. Experiments revealed that the stored GO film contains copper hydroxide phase embedd...

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Bibliographic Details
Published inCarbon (New York) Vol. 69; pp. 563 - 570
Main Authors Voylov, Dmitry N., Agapov, Alexander L., Sokolov, Alexei P., Shulga, Yuri M., Arbuzov, Artem A.
Format Journal Article
LanguageEnglish
Russian
Published Kidlington Elsevier Ltd 01.04.2014
Elsevier
Subjects
Carbon
COATINGS
Copper
COPPER HYDROXIDE
ELECTRICAL CONDUCTIVITY
Graphene
INTERLAYERS
Multilayers
Oxide coatings
OXIDE FILMS
OXIDES
Oxygen content
PENETRATION
PHASES
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Summary:A self-reduction of graphene oxide (GO) at room temperature after prolonged storage on a copper substrate is evidenced by decrease of oxygen content and a dramatic, 6 orders in magnitude, increase in dc conductivity. Experiments revealed that the stored GO film contains copper hydroxide phase embedded in the reduced GO structure.
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ISSN:0008-6223
1873-3891
DOI:10.1016/j.carbon.2013.12.067