Electronic Properties of Graphene Nanoribbons with Transition Metal Impurities

Authored by: Neeraj K. Jaiswal , Pankaj Srivastava

Graphene Science Handbook

Print publication date:  April  2016
Online publication date:  April  2016

Print ISBN: 9781466591318
eBook ISBN: 9781466591325
Adobe ISBN:

10.1201/b19642-10

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Abstract

This chapter begins with a brief introduction of graphene/graphene nanoribbons (GNR). Thereafter, the experimental and the theoretical advancements have been discussed in the area of graphene/GNR research. Review on the theoretical work includes the exploration of exotic electronic/transport properties of GNR and the methods adopted to tailor the electronic properties of GNR via chemical functionalization, adsorption of impurity adatoms, or the substitutional doping of foreign atoms. The chapter also describes how the electronic/transport properties of GNR can be tailored via transition metal (TM) impurities. The impurities in GNR can be present either in the form of adsorbed adatoms or as a substitutional dopant. It is revealed that both types of impurities result in different bonding with host carbon atoms and stability in GNR. The electronic properties of GNR are found sensitive to the presence of TM impurities. This indicates toward a viable way to alter the electronic properties of GNR through TM impurities.

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