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The transfer doping of graphite and graphene

Lookup NU author(s): Professor Patrick Briddon


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It has been commonly thought that diamond is unique in its class in that it can undergo p-type transfer doping when covered by a thin layer of electrolyte. In this study, density-functional theory has been used to show that the work functions of graphite and graphene are low enough for transfer doping to occur between a graphite or graphene substrate and an aqueous adsorbate layer. The possible electrochemical reactions are the same as those favoured in the case of diamond, e.g. O2 + 2H2O + 4e- → 4OH -, where the electrons have been provided by the graphite or graphene substrate. Notably, the extraordinary nature of carrier transport in (single-layer) graphene renders this non-disruptive doping method an exciting possibility. © 2007 WILEY-VCH Verlag GmbH & Co. KGaA.

Publication metadata

Author(s): Sque SJ, Jones R, Briddon PR

Publication type: Conference Proceedings (inc. Abstract)

Publication status: Published

Conference Name: 12th Hasselt Diamond Workshop 2007 (SBDD XII)

Year of Conference: 2007

Pages: 3078-3084

ISSN: 1862-6300

Publisher: Physica Status Solidi (A) Applications and Materials, Wiley-Blackwell


DOI: 10.1002/pssa.200776313

Library holdings: Search Newcastle University Library for this item

ISBN: 18626319