The DOI matches its Crossref record; 33 of the 33 references it cites were found in a registry or an index.
Graphene-Antenna Sandwich Photodetector
Abstract
Nanoscale antennas sandwiched between two graphene monolayers yield a photodetector that efficiently converts visible and near-infrared photons into electrons with an 800% enhancement of the photocurrent relative to the antennaless graphene device. The antenna contributes to the photocurrent in two ways: by the transfer of hot electrons generated in the antenna structure upon plasmon decay, as well as by direct plasmon-enhanced excitation of intrinsic graphene electrons due to the antenna near field. This results in a graphene-based photodetector achieving up to 20% internal quantum efficiency in the visible and near-infrared regions of the spectrum. This device can serve as a model for merging the light-harvesting characteristics of optical frequency antennas with the highly attractive transport properties of graphene in new optoelectronic devices.
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Metadata
- Authors
- Fang, Z., Liu, Z., Wang, Y., Ajayan, P. M., Nordlander, P., & Halas, N. J.
- Venue
- Nano Letters
- Publisher
- American Chemical Society (ACS)
- Published
- 2012-06-19
- Volume
- 12
- Issue
- 7
- Pages
- 3808-3813
- ISSN
- 1530-6984 (ISSN-L)
- 1530-6992
- OpenAlex
- W2318675354
- Cited by
- 667
- References
- 33
- FWCI
- 34.88
- Type
- journal article
- Language
- en
- Open access
- closed
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