CN106904605 Method for transferring graphene based on sublimation method
The invention discloses a method for transferring graphene. According to the method, a substance which is easily sublimated is utilized as a supporting layer for transferring the graphene; first, through heating the substance which is easily sublimated, the substance is desublimated to form a compact supporting layer on the surface of the graphene growing on an initial matrix, then, the initial matrix is removed and the graphene/supporting layer is transferred to a target substrate, and afterwards, the supporting layer is sublimated. In comparison with adhesive residue problems existing in existing PMMA (Polymethyl Methacrylate) method and PDMS (Polydimethylsiloxane) method and problems that a hot padding method and a heat release adhesive tape method have relative high requirements on the flatness and the adhesiveness of the target substrate, and the like, according to the method, the substance which is easily sublimated is used as the supporting layer; the transfer process is simpler, more convenient and quicker; the large-area, damage-free and adhesive-residue-free transfer of the graphene to any target substrate can be realized; the application of the graphene to the fields of flexible electronics, organic nanoelectronics, organic solar cells, organic sensor aspects, organic high-performance micro-nano electronic devices, organic-material energy storage and the like is greatly expanded.
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