Journal
NANO LETTERS
Volume 10, Issue 5, Pages 1645-1651Publisher
AMER CHEMICAL SOC
DOI: 10.1021/nl9041966
Keywords
Thermal conductivity; thermal interface resistance; graphene; Raman; measurement
Categories
Funding
- University of Texas at Austin
- Texas Nanotechnology Research Superiority Initiative (TNRSI)/SWAN
- Office of Naval Research [N00014-08-1-1168, N00014-10-1-0581]
- Department of Energy Office of Science [DE-FG02-07ER46377]
- National Science Foundation [CBET-0553649]
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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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