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Nano Lett. 2010 May 12;10(5):1645-51. doi: 10.1021/nl9041966.

Thermal transport in suspended and supported monolayer graphene grown by chemical vapor deposition.

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  • 1Department of Mechanical Engineering and Texas Materials Institute, University of Texas at Austin, Austin, Texas 78712, USA.


Graphene monolayer has been grown by chemical vapor deposition on copper and then suspended over a hole. By measuring the laser heating and monitoring the Raman G peak, we obtain room-temperature thermal conductivity and interface conductance of (370 + 650/-320) W/m K and (28 + 16/-9.2) MW/m(2) K for the supported graphene. The thermal conductivity of the suspended graphene exceeds (2500 + 1100/-1050) W/m K near 350 K and becomes (1400 + 500/-480) W/m K at about 500 K.

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