Change search
ReferencesLink to record
Permanent link

Direct link
Potential-induced Raman behavior of individual (R)-di-2-naphthylprolinol molecules on a Ag-modified Ag electrode
KTH, School of Biotechnology (BIO), Theoretical Chemistry and Biology.ORCID iD: 0000-0003-0007-0394
Show others and affiliations
2011 (English)In: Journal of Raman Spectroscopy, ISSN 0377-0486, E-ISSN 1097-4555, Vol. 42, no 5, 951-957 p.Article in journal (Refereed) Published
Abstract [en]

The applicability of surface-enhanced Raman spectroscopy is demonstrated to probe the adsorption behavior of individual molecules on a Ag electrode. High-quality SERS spectra of (R)-di-2-naphthylprolinol (DNP) were obtained from ultradilute solutions (10(-12) M) on the Ag-nanoparticle-modified Ag electrode, which is attributed to the high electromagnetic (EM) effect of the SERS-active system as well as to the strong adsorption and interaction of DNP molecules with Ag. The stable SERS spectra present remarkable potential dependence, which gives evidence for the behavior of individual DNP molecules on the Ag surface. Based on statistical analysis for the probability of DNP molecules located in 'hot spots', we propose an SERS mechanism for individual molecules in the electrode system, in combination with the hot-spot model and orientation of the probemolecules.

Place, publisher, year, edition, pages
2011. Vol. 42, no 5, 951-957 p.
Keyword [en]
potential, Raman, SERS, Ag electrode, (R)-di-2-naphthylprolinol
National Category
Analytical Chemistry
URN: urn:nbn:se:kth:diva-35126DOI: 10.1002/jrs.2819ISI: 000291364900011ScopusID: 2-s2.0-79958282693OAI: diva2:426475
QC 20110623Available from: 2011-06-23 Created: 2011-06-20 Last updated: 2011-06-23Bibliographically approved

Open Access in DiVA

No full text

Other links

Publisher's full textScopus

Search in DiVA

By author/editor
Luo, Yi
By organisation
Theoretical Chemistry and Biology
In the same journal
Journal of Raman Spectroscopy
Analytical Chemistry

Search outside of DiVA

GoogleGoogle Scholar
The number of downloads is the sum of all downloads of full texts. It may include eg previous versions that are now no longer available

Altmetric score

Total: 30 hits
ReferencesLink to record
Permanent link

Direct link