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  • Gas-sensitive of graphene films on semi-insulating SiC to NO2 and vapour of C2H5OH.

    Finding of small concentrations of various gases as an important task for the environment and for the industry. In this paper, investigated gas-sensitive properties of the films of graphene on silicon carbide to NO2 and vapour C2H5OH. The principle of operation of graphene sensor based on the change of electrical conductivity by reason of adsorption of gas molecules. Temperature dependence of the gas desorption from the surface of graphene is obtained. Mode of getting graphene films with the best gas sensing characteristics is defined. The obtained  results suggest that graphene is a promising material for gas-sensitive sensors  

    Keywords: graphene, graphene films on silicon carbide, gas sensor, gas-sensitive of graphene