Weighing graphene with QCM to monitor interfacial mass changes

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dc.citation.issueNumber5en_US
dc.citation.volumeNumber109en_US
dc.contributor.authorKakenov, N.en_US
dc.contributor.authorBalci, O.en_US
dc.contributor.authorSalihoglu, O.en_US
dc.contributor.authorHur, S. H.en_US
dc.contributor.authorBalci, S.en_US
dc.contributor.authorKocabas, C.en_US
dc.date.accessioned2018-04-12T10:47:04Z
dc.date.available2018-04-12T10:47:04Z
dc.date.issued2016en_US
dc.departmentDepartment of Physicsen_US
dc.description.abstractIn this Letter, we experimentally determined the mass density of graphene using quartz crystal microbalance (QCM) as a mechanical resonator. We developed a transfer printing technique to integrate large area single-layer graphene on QCM. By monitoring the resonant frequency of an oscillating quartz crystal loaded with graphene, we were able to measure the mass density of graphene as ∼118 ng/cm2, which is significantly larger than the ideal graphene (∼76 ng/cm2) mainly due to the presence of wrinkles and organic/inorganic residues on graphene sheets. High sensitivity of the quartz crystal resonator allowed us to determine the number of graphene layers in a particular sample. Additionally, we extended our technique to probe interfacial mass variation during adsorption of biomolecules on graphene surface and plasma-assisted oxidation of graphene.en_US
dc.identifier.doi10.1063/1.4960299en_US
dc.identifier.eissn1077-3118
dc.identifier.issn0003-6951
dc.identifier.urihttp://hdl.handle.net/11693/36649
dc.language.isoEnglishen_US
dc.publisherAmerican Institute of Physics Inc.en_US
dc.relation.isversionofhttp://dx.doi.org/10.1063/1.4960299en_US
dc.source.titleApplied Physics Lettersen_US
dc.subjectCrystal resonatorsen_US
dc.subjectNatural frequenciesen_US
dc.subjectQuartzen_US
dc.subjectQuartz crystal microbalancesen_US
dc.subjectResonatorsen_US
dc.subjectGraphene layersen_US
dc.subjectGraphene sheetsen_US
dc.subjectHigh sensitivityen_US
dc.subjectInterfacial massen_US
dc.subjectMechanical resonatorsen_US
dc.subjectOrganic/inorganicen_US
dc.subjectQuartz crystal resonatoren_US
dc.subjectTransfer printingen_US
dc.subjectGrapheneen_US
dc.titleWeighing graphene with QCM to monitor interfacial mass changesen_US
dc.typeArticleen_US

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