Ontology highlight
ABSTRACT:
SUBMITTER: Liu Y
PROVIDER: S-EPMC4235953 | biostudies-literature | 2011 Dec
REPOSITORIES: biostudies-literature
Nature communications 20111206
Graphene has the potential for high-speed, wide-band photodetection, but only with very low external quantum efficiency and no spectral selectivity. Here we report a dramatic enhancement of the overall quantum efficiency and spectral selectivity that enables multicolour photodetection, by coupling graphene with plasmonic nanostructures. We show that metallic plasmonic nanostructures can be integrated with graphene photodetectors to greatly enhance the photocurrent and external quantum efficiency ...[more]