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Article: Surface-enhanced Raman spectroelectrochemistry of TTF-modified self-assembled monolayers

TitleSurface-enhanced Raman spectroelectrochemistry of TTF-modified self-assembled monolayers
Authors
Paxton, Walter F.Kleinman, Samuel L.Basuray, Ashish N.Stoddart, J. FraserVan Duyne, Richard P.
Issue Date2011
Citation
Journal of Physical Chemistry Letters, 2011, v. 2, n. 10, p. 1145-1149 How to Cite?
DOI: http://dx.doi.org/10.1021/jz200523q
AbstractSurface-enhanced Raman spectroscopy (SERS) was used to monitor the response of a self-assembled monolayer (SAM) of a tetrathiafulvalene (TTF) derivative on a gold film-over-nanosphere electrode. The electrochemical response observed was rationalized in terms of the interactions between TTF moieties as the oxidation state was changed. Electrochemical oxidation to form the monocation caused the absorbance of the TTF unit to coincide with both the laser excitation wavelength and the localized surface plasmon resonance (LSPR), resulting in surface-enhanced resonance Raman scattering (SERRS). The vibrational frequency changes that accompany electron transfer afford a high-contrast mechanism that can be used to determine the oxidation state of the TTF unit in an unambiguous manner. © 2011 American Chemical Society.
Persistent Identifierhttp://hdl.handle.net/10722/332950
ISI Accession Number ID
WOS:000290843700007

 

DC FieldValueLanguage
dc.contributor.authorPaxton, Walter F.-
dc.contributor.authorKleinman, Samuel L.-
dc.contributor.authorBasuray, Ashish N.-
dc.contributor.authorStoddart, J. Fraser-
dc.contributor.authorVan Duyne, Richard P.-
dc.date.accessioned2023-10-06T05:15:35Z-
dc.date.available2023-10-06T05:15:35Z-
dc.date.issued2011-
dc.identifier.citationJournal of Physical Chemistry Letters, 2011, v. 2, n. 10, p. 1145-1149-
dc.identifier.urihttp://hdl.handle.net/10722/332950-
dc.description.abstractSurface-enhanced Raman spectroscopy (SERS) was used to monitor the response of a self-assembled monolayer (SAM) of a tetrathiafulvalene (TTF) derivative on a gold film-over-nanosphere electrode. The electrochemical response observed was rationalized in terms of the interactions between TTF moieties as the oxidation state was changed. Electrochemical oxidation to form the monocation caused the absorbance of the TTF unit to coincide with both the laser excitation wavelength and the localized surface plasmon resonance (LSPR), resulting in surface-enhanced resonance Raman scattering (SERRS). The vibrational frequency changes that accompany electron transfer afford a high-contrast mechanism that can be used to determine the oxidation state of the TTF unit in an unambiguous manner. © 2011 American Chemical Society.-
dc.languageeng-
dc.relation.ispartofJournal of Physical Chemistry Letters-
dc.titleSurface-enhanced Raman spectroelectrochemistry of TTF-modified self-assembled monolayers-
dc.typeArticle-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1021/jz200523q-
dc.identifier.scopuseid_2-s2.0-79957598973-
dc.identifier.volume2-
dc.identifier.issue10-
dc.identifier.spage1145-
dc.identifier.epage1149-
dc.identifier.eissn1948-7185-
dc.identifier.isiWOS:000290843700007-

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