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Schematic representation of the graphene transfer procedure and the key processes involved in metal organic chemical vapor deposition (MOCVD) for growing AlGaN nanorod LEDs. (I) spin coating of poly methyl methacrylate (PMMA) on graphene on Cu foil; (II) the transfer of graphene with PMMA to Si substrate; (III) dissolution of PMMA; and (IV) MOCVD growing of AlGaN nanorod LEDs. Reprinted with permission from Ref. [52]. Copyright 1996–2022 MDPI (Basel, Switzerland).
