A first principle study of the structural, electronic, and temperature-dependent thermodynamic properties of graphene/MoS2 heterostructure.After an initial assessment of the structural and electronic properties of graphene, monolayer MoS2, and graphene/MoS2 bilayer hetero-structure, the temperature-dependent thermodynamic properties of graphene/MoS2 bilayer hetero-structure are examined by using density functional theory calculations.  The structure, bandgap, partial density of states, and thermodynamic properties of graphene, monolayer MoS2 and graphene/MoS2 system are investigated and analyzed.  Introduction of graphene into the MoS2 semiconductor is, therefore, found to improve the overall thermodynamic properties of the composite as graphene preserved its superior thermal properties.  The findings will be beneficial to calculate thermal conductivity of the graphene/MoS2 heterostructure for minimizing the temperature effect in electronic or optoelectronic devices.
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