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dc.contributor.authorMansour, Ahmed
dc.contributor.authorKirmani, Ahmad R.
dc.contributor.authorBarlow, Stephen
dc.contributor.authorMarder, Seth R.
dc.contributor.authorAmassian, Aram
dc.date.accessioned2017-05-31T10:09:30Z
dc.date.available2017-05-31T10:09:30Z
dc.date.issued2017-06-02
dc.identifier.citationMansour AE, Kirmani AR, Barlow S, Marder SR, Amassian A (2017) Hybrid Doping of Few-Layer Graphene via a Combination of Intercalation and Surface Doping. ACS Applied Materials & Interfaces. Available: http://dx.doi.org/10.1021/acsami.7b02886.
dc.identifier.issn1944-8244
dc.identifier.issn1944-8252
dc.identifier.pmid28535037
dc.identifier.doi10.1021/acsami.7b02886
dc.identifier.urihttp://hdl.handle.net/10754/623765
dc.description.abstractSurface molecular doping of graphene has been shown to modify its work function and increase its conductivity. However, the associated shifts in work function and increases in carrier concentration are highly coupled and limited by the surface coverage of dopant molecules on graphene. Here we show that few-layer graphene (FLG) can be doped using a hybrid approach, effectively combining surface doping by larger (metal-)organic molecules, while smaller molecules, such as Br2 and FeCl3, intercalate into the bulk. Intercalation tunes the carrier concentration more effectively, whereas surface doping of intercalated FLG can be used to tune its work function without reducing the carrier mobility. This multi-modal doping approach yields a very high carrier density and tunable work function for FLG, demonstrating a new versatile platform for fabricating graphene-based contacts for electronic, optoelectronic and photovoltaic applications.
dc.description.sponsorshipThe authors acknowledge Dr. Marcel Said for the early discussion of the hybrid doping approach, Dr. Yadong Zhang for synthesis of the Mo dopant, and Mrs. Lubna Jamshaid for her logistical support. This work was supported by King Abdullah University of Science and Technology (KAUST), and Department of the Navy, Office of Naval Research Award No. N00014-14-1-0126.
dc.publisherAmerican Chemical Society (ACS)
dc.relation.urlhttp://pubs.acs.org/doi/abs/10.1021/acsami.7b02886
dc.rightsThis document is the Accepted Manuscript version of a Published Work that appeared in final form in ACS Applied Materials & Interfaces, copyright © American Chemical Society after peer review and technical editing by the publisher. To access the final edited and published work see http://pubs.acs.org/doi/abs/10.1021/acsami.7b02886.
dc.subjectFew-layer graphene
dc.subjecttransparent conducting electrode
dc.subjectintercalation
dc.subjectmolecular doping
dc.subjectwork function
dc.subjectelectrical transport
dc.titleHybrid Doping of Few-Layer Graphene via a Combination of Intercalation and Surface Doping
dc.typeArticle
dc.contributor.departmentKAUST Solar Center (KSC)
dc.contributor.departmentMaterials Science and Engineering Program
dc.contributor.departmentPhysical Sciences and Engineering (PSE) Division
dc.identifier.journalACS Applied Materials & Interfaces
dc.eprint.versionPost-print
dc.contributor.institutionCenter for Organic Photonics & Electronics and School of Chemistry & Biochemistry, Georgia Institute of Technology, Atlanta, GA, 30332-0400, USA
kaust.personMansour, Ahmed
kaust.personKirmani, Ahmad R.
kaust.personAmassian, Aram
refterms.dateFOA2018-05-23T00:00:00Z
dc.date.published-online2017-06-02
dc.date.published-print2017-06-14


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