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Here we show by molecular dynamics that graphene could be utilized as dry adhesive interacting with semiconductor substrates. Various potential semiconductor substrates are introduced and present similar results. This work opens up a new prospect for the applications of graphene and would be valuable for the scientific studies of adhesion at nanoscale.
A novel actuator has been fabricated using graphene and graphene oxide composite paper as building blocks. The two materials have nearly equal Young's modulus, however a large displacement was observed during the electromechanically driven operation, which was attributed to great difference in coefficient of thermal expansion of graphene paper and graphene oxide paper.
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