Hierarchy of Electronic Properties of Chemically Derived and Pristine Graphene Probed by Microwave Imaging

Handle URI:
http://hdl.handle.net/10754/598461
Title:
Hierarchy of Electronic Properties of Chemically Derived and Pristine Graphene Probed by Microwave Imaging
Authors:
Kundhikanjana, Worasom; Lai, Keji; Wang, Hailiang; Dai, Hongjie; Kelly, Michael A.; Shen, Zhi-xun
Abstract:
Local electrical imaging using microwave impedance microscope is performed on graphene in different modalities, yielding a rich hierarchy of the local conductivity. The low-conductivity graphite oxide and its derivatives show significant electronic inhomogeneity. For the conductive chemical graphene, the residual defects lead to a systematic reduction of the microwave signals. In contrast, the signals on pristine graphene agree well with a lumped-element circuit model. The local impedance information can also be used to verify the electrical contact between overlapped graphene pieces. © 2009 American Chemical Society.
Citation:
Kundhikanjana W, Lai K, Wang H, Dai H, Kelly MA, et al. (2009) Hierarchy of Electronic Properties of Chemically Derived and Pristine Graphene Probed by Microwave Imaging. Nano Lett 9: 3762–3765. Available: http://dx.doi.org/10.1021/nl901949z.
Publisher:
American Chemical Society (ACS)
Journal:
Nano Letters
KAUST Grant Number:
KUS-F1-033-02
Issue Date:
11-Nov-2009
DOI:
10.1021/nl901949z
PubMed ID:
19678669
Type:
Article
ISSN:
1530-6984; 1530-6992
Sponsors:
We thank K. Todd for the assistance with pristine graphene, D. Goldhaber-Gordon for useful discussions, and C. Buenviaje-Conggins for the instrumental advice. The research is supported by Center of Probing the Nanoscale (CPN), Stanford University, gift grants from Agilent Technologies, Inc., and DOE Contract DE-FG03-01ER45929-A001. This publication is also based on work supported by Award No. KUS-F1-033-02, made by King Abdullah University of Science and Technology (KAUST) under the global research partnership (GRP) program. CPN is an NSF NSEC, NSF Grant No. PHY-0425897. The work on graphene synthesis is supported by MARCO-MSD, Intel, and ONR.
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Publications Acknowledging KAUST Support

Full metadata record

DC FieldValue Language
dc.contributor.authorKundhikanjana, Worasomen
dc.contributor.authorLai, Kejien
dc.contributor.authorWang, Hailiangen
dc.contributor.authorDai, Hongjieen
dc.contributor.authorKelly, Michael A.en
dc.contributor.authorShen, Zhi-xunen
dc.date.accessioned2016-02-25T13:21:07Zen
dc.date.available2016-02-25T13:21:07Zen
dc.date.issued2009-11-11en
dc.identifier.citationKundhikanjana W, Lai K, Wang H, Dai H, Kelly MA, et al. (2009) Hierarchy of Electronic Properties of Chemically Derived and Pristine Graphene Probed by Microwave Imaging. Nano Lett 9: 3762–3765. Available: http://dx.doi.org/10.1021/nl901949z.en
dc.identifier.issn1530-6984en
dc.identifier.issn1530-6992en
dc.identifier.pmid19678669en
dc.identifier.doi10.1021/nl901949zen
dc.identifier.urihttp://hdl.handle.net/10754/598461en
dc.description.abstractLocal electrical imaging using microwave impedance microscope is performed on graphene in different modalities, yielding a rich hierarchy of the local conductivity. The low-conductivity graphite oxide and its derivatives show significant electronic inhomogeneity. For the conductive chemical graphene, the residual defects lead to a systematic reduction of the microwave signals. In contrast, the signals on pristine graphene agree well with a lumped-element circuit model. The local impedance information can also be used to verify the electrical contact between overlapped graphene pieces. © 2009 American Chemical Society.en
dc.description.sponsorshipWe thank K. Todd for the assistance with pristine graphene, D. Goldhaber-Gordon for useful discussions, and C. Buenviaje-Conggins for the instrumental advice. The research is supported by Center of Probing the Nanoscale (CPN), Stanford University, gift grants from Agilent Technologies, Inc., and DOE Contract DE-FG03-01ER45929-A001. This publication is also based on work supported by Award No. KUS-F1-033-02, made by King Abdullah University of Science and Technology (KAUST) under the global research partnership (GRP) program. CPN is an NSF NSEC, NSF Grant No. PHY-0425897. The work on graphene synthesis is supported by MARCO-MSD, Intel, and ONR.en
dc.publisherAmerican Chemical Society (ACS)en
dc.titleHierarchy of Electronic Properties of Chemically Derived and Pristine Graphene Probed by Microwave Imagingen
dc.typeArticleen
dc.identifier.journalNano Lettersen
dc.contributor.institutionGeballe Laboratory for Advanced Materials, Stanford, United Statesen
dc.contributor.institutionStanford University, Palo Alto, United Statesen
kaust.grant.numberKUS-F1-033-02en

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