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Advanced Materials

Non-Volatile Photochemical Gating of an Epitaxial Graphene/Polymer Heterostructure

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Abstract

A novel heterostructure based on epitaxial graphene grown on silicon carbide combined with two polymers is demonstrated, with a neutral spacer and a photoactive layer that provides potent electron acceptors under UV light exposure. UV exposure of this heterostructure enables control of the electrical parameters of graphene in a non-invasive, non-volatile, and reversible way.

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