A boron nitride - graphene - C60 heterostructure

Claudia Ojeda-Aristizabal, Elton J. G. Santos, Seita Onishi, Haider Rasool, Jairo, Jr. Velasco, Salman Kahn, Aiming Yan, Alex Zettl

Research output: Other contribution

Abstract

We have fabricated a new van-der-Waals heterostructure composed by BN/graphene/C60. We performed transport measurements on the preliminary BN/graphene device finding a sharp Dirac point at the neutrality point. After the deposition of a C60 thin film by thermal evaporation, we have observed a significant n-doping of the heterostructure. This suggests an unusual electron transfer from C60 into the BN/graphene structure. This BN/graphene/C60 heterostructure can be of interest in photovoltaic applications. It can be used to build devices like p-n junctions, where C60 can be easily deposited in defined regions of a graphene junction by the use of a shadow mask. Our results are contrasted with theoretical calculations.
Original languageEnglish
TypeOnline abstract
Media of outputHarvard Physics Abstract Service
Number of pages1
Publication statusPublished - 01 Mar 2015

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