The transfer doping of graphite and graphene Export

@article{Sque2007, abstract = {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- rarr 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. ({\copyright} 2007 WILEY-VCH Verlag GmbH \& Co. KGaA, Weinheim)}, address = {School of Physics, University of Exeter, Exeter EX4 4QL, UK; School of Natural Sciences, Newcastle University, Newcastle-upon-Tyne NE1 7RU, UK}, author = {Sque, Stephen J. and Jones, Robert and Briddon, Patrick R.}, citeulike-article-id = {4370048}, citeulike-linkout-0 = {http://dx.doi.org/10.1002/pssa.200776313}, citeulike-linkout-1 = {http://www3.interscience.wiley.com/cgi-bin/abstract/116310538/ABSTRACT}, doi = {10.1002/pssa.200776313}, journal = {physica status solidi (a)}, number = {9}, pages = {3078--3084}, posted-at = {2009-04-21 01:02:51}, priority = {2}, title = {The transfer doping of graphite and graphene}, url = {http://dx.doi.org/10.1002/pssa.200776313}, volume = {204}, year = {2007} }

TY - JOUR ID - Sque2007 L3 - citeulike-article-id:4370048 N2 - 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- rarr 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, Weinheim) IS - 9 JF - physica status solidi (a) AD - School of Physics, University of Exeter, Exeter EX4 4QL, UK; School of Natural Sciences, Newcastle University, Newcastle-upon-Tyne NE1 7RU, UK EP - 3084 TI - The transfer doping of graphite and graphene VL - 204 SP - 3078 AU - Sque, Stephen AU - Jones, Robert AU - Briddon, Patrick PY - 2007/// UR - http://dx.doi.org/10.1002/pssa.200776313 ER -