This application note reports on the TERS nanocharacterization of graphene nanoribbons (GNRs) fabricated by electron beam lithography. The chemical nanoresolution achievable by TERS reveals the presence of amorphous carbon at the edge of the GNRs and locates organic residues. TERS can be considered as a valuable tool for characterizing nanopatterned graphene, an essential step for the development of graphene-based nano-devices.
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