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The DOI matches its Crossref record; 40 of the 40 references it cites were found in a registry or an index.

Plasmon resonance enhanced multicolour photodetection by graphene

Open access
Liu, Yuan, Cheng, Rui, Liao, Lei, Zhou, Hailong, Bai, Jingwei, Liu, Gang, Liu, Lixin, Huang, Yu, Duan, Xiangfeng·2011·Nature Communications

Abstract

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 by up to 1,500%. Plasmonic nanostructures of variable resonance frequencies selectively amplify the photoresponse of graphene to light of different wavelengths, enabling highly specific detection of multicolours. Being atomically thin, graphene photodetectors effectively exploit the local plasmonic enhancement effect to achieve a significant enhancement factor not normally possible with traditional planar semiconductor materials.

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Metadata

Authors
Liu, Y., Cheng, R., Liao, L., Zhou, H., Bai, J., Liu, G., Liu, L., Huang, Y., & Duan, X.
Venue
Nature Communications
Published
2011-12-06
Volume
2
Issue
1
Pages
579-579
ISSN
2041-1723 (ISSN-L)
OpenAlex
W2120315564
Cited by
745
References
40
FWCI
20.29
Type
journal article
Language
en
Open access
bronze

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