Reversible electrical reduction and oxidation of graphene oxide

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dc.citation.epage2482en_US
dc.citation.issueNumber4en_US
dc.citation.spage2475en_US
dc.citation.volumeNumber5en_US
dc.contributor.authorEkiz, O. O.en_US
dc.contributor.authorÜrel, M.en_US
dc.contributor.authorGüner, H.en_US
dc.contributor.authorMizrak, A. K.en_US
dc.contributor.authorDâna, A.en_US
dc.date.accessioned2016-02-08T09:53:30Z
dc.date.available2016-02-08T09:53:30Z
dc.date.issued2011en_US
dc.departmentInstitute of Materials Science and Nanotechnology (UNAM)en_US
dc.description.abstractWe demonstrate that graphene oxide can be reversibly reduced and oxidized using electrical stimulus. Controlled reduction and oxidation in two-terminal devices containing multilayer graphene oxide films are shown to result in switching between partially reduced graphene oxide and graphene, a process which modifies the electronic and optical properties. High-resolution tunneling current and electrostatic force imaging reveal that graphene oxide islands are formed on multilayer graphene, turning graphene into a self-assembled heterostructure random nanomesh. Charge storage and resistive switching behavior is observed in two-terminal devices made of multilayer graphene oxide films, correlated with electrochromic effects. Tip-induced reduction and oxidation are also demonstrated. Results are discussed in terms of thermodynamics of oxidation and reduction reactions. © 2011 American Chemical Society.en_US
dc.identifier.doi10.1021/nn1014215en_US
dc.identifier.issn1936-0851
dc.identifier.urihttp://hdl.handle.net/11693/21953
dc.language.isoEnglishen_US
dc.publisherAmerican Chemical Societyen_US
dc.relation.isversionofhttp://dx.doi.org/10.1021/nn1014215en_US
dc.source.titleGrapheneen_US
dc.subjectGraphene oxideen_US
dc.subjectElectrochemistryen_US
dc.subjectElectrochromismen_US
dc.subjectElectrostatic force microscopyen_US
dc.subjectResistive switchingen_US
dc.subjectTip-induced oxidationen_US
dc.subjectOxide filmsen_US
dc.titleReversible electrical reduction and oxidation of graphene oxideen_US
dc.typeArticleen_US

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