Significant thickness dependence of the thermal resistance between few layer graphenes
Résumé
The inter-layer resistance in few layer graphene (FLG) is an unknown intrinsic property that affects
the heat removal efficiency of FLG-based thermal devices. Here we present data that demonstrates
the layer number dependence of the resistance between FLGs, by using molecular dynamics
simulations. The resistance was found to decrease as the layer number increases. FLGs with larger
thicknesses are proposed to be advantageous in heat spreading owing to their lower contact
resistances. The observed properties do not depend on temperature, which is crucial for FLG based
structures to retain a stable heat removal efficiency while working at a large temperature range.
VC 2013 AIP Publishing LLC. [http://dx.doi.org/10.1063/1.4818341]