Multilayered graphenes (MLG) in the form of a free-standing films, treated with plasma of different chemical composition, were studied. Morphology, electrical properties, and electronic bonding structure were evaluated to assess MLG applicability in flexible charge storage devices. Ability to alter surface electrical properties, such as electron work function without sufficient changing of chemical properties of the surface was shown. Therefore obtained samples are promising for variety of practical applications, where chemical inertness is combined with flexibility and high electrical conductivity.
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