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Strong Enhancement of Thermal Properties of Copper Films after Chemical Vapor Deposition of Graphene

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arxiv 1311.6029 v1 pith:ZXZETMDE submitted 2013-11-23 cond-mat.mtrl-sci

Pradyumna Goli , Hao Ning , Xuesong Li , Ching Yu Lu , Konstantin S. Novoselov , Alexander A. Balandin This is my paper
classification cond-mat.mtrl-sci
keywords graphenethermalfilmsdepositionpropertieschemicalconductivityenhancement
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We demonstrated that chemical vapor deposition of graphene on Cu films strongly enhances their thermal diffusivity and thermal conductivity. Deposition of graphene increases the thermal conductivity of 9 micrometer (25 micrometer) thick Cu films by up to 24% (16%) near room temperature. Interestingly, the observed improvement of thermal properties of graphene coated Cu films is primarily due to changes in Cu morphology during graphene deposition and associated with it temperature treatment rather than graphene's action as an additional heat conducting channel. Enhancement of thermal properties of metal films via graphene coating may lead to applications in electronic circuits and metallurgy.

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