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Article: Charge transfer in molecular conductors - Oxidation or reduction?

TitleCharge transfer in molecular conductors - Oxidation or reduction?
Authors
KeywordsArticle
Conductance
Conductor
Electric Potential
Electrochemistry
Electron Transport
Energy
Ionization
Molecular Model
Oxidation
Reduction
Issue Date2002
PublisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/chemphys
Citation
Chemical Physics, 2002, v. 281 n. 2-3, p. 225-230 How to Cite?
AbstractWe discuss the nature of charge transfer in molecular conductors upon connecting to two metallic contacts and imposing a voltage bias across them. The sign of the charge transfer (oxidation vs. reduction) depends on the position of the metal Fermi energy with respect to the molecular levels. In addition, the charge transfer depends on the strength of the coupling (chemisorption vs. physisorption) with the contacts. A convenient way to establish the nature and onset of the charge transfer and the corresponding features in the I-V is to draw an energy level diagram for each spin species. Starting from such a level diagram, we argue that transport in the Tour-Reed switching molecules, which consist of a central phenyl ring with a nitroamine redox center, involves the oxidation of a HOMO level. © 2002 Published by Elsevier Science B.V.
Persistent Identifierhttp://hdl.handle.net/10722/132529
ISSN
2015 Impact Factor: 1.758
2015 SCImago Journal Rankings: 0.719
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorGhosh, AWen_HK
dc.contributor.authorZahid, Fen_HK
dc.contributor.authorDatta, Sen_HK
dc.contributor.authorBirge, RRen_HK
dc.date.accessioned2011-03-28T09:25:51Z-
dc.date.available2011-03-28T09:25:51Z-
dc.date.issued2002en_HK
dc.identifier.citationChemical Physics, 2002, v. 281 n. 2-3, p. 225-230en_HK
dc.identifier.issn0301-0104en_HK
dc.identifier.urihttp://hdl.handle.net/10722/132529-
dc.description.abstractWe discuss the nature of charge transfer in molecular conductors upon connecting to two metallic contacts and imposing a voltage bias across them. The sign of the charge transfer (oxidation vs. reduction) depends on the position of the metal Fermi energy with respect to the molecular levels. In addition, the charge transfer depends on the strength of the coupling (chemisorption vs. physisorption) with the contacts. A convenient way to establish the nature and onset of the charge transfer and the corresponding features in the I-V is to draw an energy level diagram for each spin species. Starting from such a level diagram, we argue that transport in the Tour-Reed switching molecules, which consist of a central phenyl ring with a nitroamine redox center, involves the oxidation of a HOMO level. © 2002 Published by Elsevier Science B.V.en_HK
dc.languageengen_US
dc.publisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/chemphysen_HK
dc.relation.ispartofChemical Physicsen_HK
dc.subjectArticleen_US
dc.subjectConductanceen_US
dc.subjectConductoren_US
dc.subjectElectric Potentialen_US
dc.subjectElectrochemistryen_US
dc.subjectElectron Transporten_US
dc.subjectEnergyen_US
dc.subjectIonizationen_US
dc.subjectMolecular Modelen_US
dc.subjectOxidationen_US
dc.subjectReductionen_US
dc.titleCharge transfer in molecular conductors - Oxidation or reduction?en_HK
dc.typeArticleen_HK
dc.identifier.emailZahid, F: fzahid@hku.hken_HK
dc.identifier.authorityZahid, F=rp01472en_HK
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1016/S0301-0104(02)00627-4en_HK
dc.identifier.scopuseid_2-s2.0-0037103102en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0037103102&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume281en_HK
dc.identifier.issue2-3en_HK
dc.identifier.spage225en_HK
dc.identifier.epage230en_HK
dc.identifier.isiWOS:000177107000010-
dc.publisher.placeNetherlandsen_HK
dc.identifier.scopusauthoridGhosh, AW=7403963862en_HK
dc.identifier.scopusauthoridZahid, F=8568996000en_HK
dc.identifier.scopusauthoridDatta, S=7401498317en_HK
dc.identifier.scopusauthoridBirge, RR=7006304073en_HK

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