Superior Thermal Conductivity of Single-Layer Graphene
Alexander A. BalandinNano-Device Laboratory, Department of Electrical Engineering, University of California−Riverside, Riverside, California 92521, Materials Science and Engineering Program, Bourns College of Engineering, University of California−Riverside, Riverside, California 92521, Department of Physics and Astronomy, University of California−Riverside, Riverside, California 92521Suchismita GhoshNano-Device Laboratory, Department of Electrical Engineering, University of California−Riverside, Riverside, California 92521, Materials Science and Engineering Program, Bourns College of Engineering, University of California−Riverside, Riverside, California 92521, Department of Physics and Astronomy, University of California−Riverside, Riverside, California 92521Wenzhong BaoNano-Device Laboratory, Department of Electrical Engineering, University of California−Riverside, Riverside, California 92521, Materials Science and Engineering Program, Bourns College of Engineering, University of California−Riverside, Riverside, California 92521, Department of Physics and Astronomy, University of California−Riverside, Riverside, California 92521Irene CalizoNano-Device Laboratory, Department of Electrical Engineering, University of California−Riverside, Riverside, California 92521, Materials Science and Engineering Program, Bourns College of Engineering, University of California−Riverside, Riverside, California 92521, Department of Physics and Astronomy, University of California−Riverside, Riverside, California 92521Desalegne TeweldebrhanNano-Device Laboratory, Department of Electrical Engineering, University of California−Riverside, Riverside, California 92521, Materials Science and Engineering Program, Bourns College of Engineering, University of California−Riverside, Riverside, California 92521, Department of Physics and Astronomy, University of California−Riverside, Riverside, California 92521Feng MiaoNano-Device Laboratory, Department of Electrical Engineering, University of California−Riverside, Riverside, California 92521, Materials Science and Engineering Program, Bourns College of Engineering, University of California−Riverside, Riverside, California 92521, Department of Physics and Astronomy, University of California−Riverside, Riverside, California 92521Chun Ning LauNano-Device Laboratory, Department of Electrical Engineering, University of California−Riverside, Riverside, California 92521, Materials Science and Engineering Program, Bourns College of Engineering, University of California−Riverside, Riverside, California 92521, Department of Physics and Astronomy, University of California−Riverside, Riverside, California 92521
2008en
ABI
Abstract
We report the measurement of the thermal conductivity of a suspended single-layer graphene. The room temperature values of the thermal conductivity in the range approximately (4.84+/-0.44)x10(3) to (5.30+/-0.48)x10(3) W/mK were extracted for a single-layer graphene from the dependence of the Raman G peak frequency on the excitation laser power and independently measured G peak temperature coefficient. The extremely high value of the thermal conductivity suggests that graphene can outperform carbon nanotubes in heat conduction. The superb thermal conduction property of graphene is beneficial for the proposed electronic applications and establishes graphene as an excellent material for thermal management.
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Cited by 20 references