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Article: Nanoresonant signal boosters for carbon nanotube based infrared detectors

TitleNanoresonant signal boosters for carbon nanotube based infrared detectors
Authors
Issue Date2009
Citation
Nanotechnology, 2009, v. 20, n. 18 How to Cite?
AbstractWe report the development of a sensitive carbon nanotube (CNT) infrared detector whose signals are boosted by nanoantenna-like features. This assembly is fabricated using nanoassembly of CNTs and a standard photolithographic process, together with nanoantenna-like features that are designed to create a resonance structure necessary to boost the electric field intensity at the CNT sensor. A novel approach is employed to find the near-field effect of the antenna. As a result, these effects are verified and demonstrated experimentally in this paper. The first experimental demonstration of a practical infrared device with nanoantenna-like structures is reported; it shows that the photocurrent is increased by an order of magnitude. The proposed fabrication and design process enables a ready integration of resonance structures into the manufacture of infrared devices, and opens the possibility of developing high fidelity infrared sensors with wide sensing range. © 2009 IOP Publishing Ltd.
Persistent Identifierhttp://hdl.handle.net/10722/213045
ISSN
2015 Impact Factor: 3.573
2015 SCImago Journal Rankings: 1.196

 

DC FieldValueLanguage
dc.contributor.authorFung, Carmen Kar Man-
dc.contributor.authorXi, Ning-
dc.contributor.authorShanker, Balasubramaniam-
dc.contributor.authorLai, King Wai Chiu-
dc.date.accessioned2015-07-28T04:05:53Z-
dc.date.available2015-07-28T04:05:53Z-
dc.date.issued2009-
dc.identifier.citationNanotechnology, 2009, v. 20, n. 18-
dc.identifier.issn0957-4484-
dc.identifier.urihttp://hdl.handle.net/10722/213045-
dc.description.abstractWe report the development of a sensitive carbon nanotube (CNT) infrared detector whose signals are boosted by nanoantenna-like features. This assembly is fabricated using nanoassembly of CNTs and a standard photolithographic process, together with nanoantenna-like features that are designed to create a resonance structure necessary to boost the electric field intensity at the CNT sensor. A novel approach is employed to find the near-field effect of the antenna. As a result, these effects are verified and demonstrated experimentally in this paper. The first experimental demonstration of a practical infrared device with nanoantenna-like structures is reported; it shows that the photocurrent is increased by an order of magnitude. The proposed fabrication and design process enables a ready integration of resonance structures into the manufacture of infrared devices, and opens the possibility of developing high fidelity infrared sensors with wide sensing range. © 2009 IOP Publishing Ltd.-
dc.languageeng-
dc.relation.ispartofNanotechnology-
dc.titleNanoresonant signal boosters for carbon nanotube based infrared detectors-
dc.typeArticle-
dc.description.natureLink_to_subscribed_fulltext-
dc.identifier.doi10.1088/0957-4484/20/18/185201-
dc.identifier.pmid19420605-
dc.identifier.scopuseid_2-s2.0-65549117362-
dc.identifier.volume20-
dc.identifier.issue18-
dc.identifier.eissn1361-6528-

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