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Article: Nanotube molecular wires as chemical sensors

TitleNanotube molecular wires as chemical sensors
Authors
Issue Date2000
Citation
Science, 2000, v. 287, n. 5453, p. 622-625 How to Cite?
AbstractChemical sensors based on individual single-walled carbon nanotubes (SWNTs) are demonstrated. Upon exposure to gaseous molecules such as NO2 or NH3, the electrical resistance of a semiconducting SWNT is found to dramatically increase or decrease. This serves as the basis for nanotube molecular sensors. The nanotube sensors exhibit a fast response and a substantially higher sensitivity than that of existing solid-state sensors at room temperature. Sensor reversibility is achieved by slow recovery under ambient conditions or by heating to high temperatures. The interactions between molecular species and SWNTs and the mechanisms of molecular sensing with nanotube molecular wires are investigated.
Persistent Identifierhttp://hdl.handle.net/10722/334026
ISSN
2023 Impact Factor: 44.7
2023 SCImago Journal Rankings: 11.902
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorKong, Jing-
dc.contributor.authorFranklin, Nathan R.-
dc.contributor.authorZhou, Chongwu-
dc.contributor.authorChapline, Michael G.-
dc.contributor.authorPeng, Shu-
dc.contributor.authorCho, Kyeongjae-
dc.contributor.authorDai, Hongjie-
dc.date.accessioned2023-10-20T06:44:58Z-
dc.date.available2023-10-20T06:44:58Z-
dc.date.issued2000-
dc.identifier.citationScience, 2000, v. 287, n. 5453, p. 622-625-
dc.identifier.issn0036-8075-
dc.identifier.urihttp://hdl.handle.net/10722/334026-
dc.description.abstractChemical sensors based on individual single-walled carbon nanotubes (SWNTs) are demonstrated. Upon exposure to gaseous molecules such as NO2 or NH3, the electrical resistance of a semiconducting SWNT is found to dramatically increase or decrease. This serves as the basis for nanotube molecular sensors. The nanotube sensors exhibit a fast response and a substantially higher sensitivity than that of existing solid-state sensors at room temperature. Sensor reversibility is achieved by slow recovery under ambient conditions or by heating to high temperatures. The interactions between molecular species and SWNTs and the mechanisms of molecular sensing with nanotube molecular wires are investigated.-
dc.languageeng-
dc.relation.ispartofScience-
dc.titleNanotube molecular wires as chemical sensors-
dc.typeArticle-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1126/science.287.5453.622-
dc.identifier.scopuseid_2-s2.0-0034723410-
dc.identifier.volume287-
dc.identifier.issue5453-
dc.identifier.spage622-
dc.identifier.epage625-
dc.identifier.isiWOS:000084989400038-

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