Zero bandgap of graphene can be opened by applying adducts like aryl diazonium salts.

Zero bandgap of graphene can be opened by applying adducts like aryl diazonium salts. Correct Answer True

Free radical additions to graphene surmount its inert chemical nature. The most widely used adducts for free radical additions are aryl diazonium salts. The aryl radicals upon attacking the basal plane of graphene result in transfer of electrons from graphene to the radical. Thus, zero band gap of graphene is opened by the diazonium functionalization.
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