Excitation profiles versus potential profiles in the determination of the charge‐transfer contribution to SERS of pyridine on a silver electrode | Zendy

Kudelski A. | Zendy; Bukowska J. | Zendy

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Excitation profiles versus potential profiles in the determination of the charge‐transfer contribution to SERS of pyridine on a silver electrode

Author(s) -

Kudelski A.,

Bukowska J.

Publication year - 1995

Publication title -

journal of raman spectroscopy

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.748

H-Index - 110

eISSN - 1097-4555

pISSN - 0377-0486

DOI - 10.1002/jrs.1250261005

Subject(s) - excitation , electrode , chemistry , pyridine , analytical chemistry (journal) , wavelength , charge (physics) , electrode potential , laser , excitation wavelength , raman spectroscopy , atomic physics , materials science , optoelectronics , optics , electrochemistry , physics , chromatography , quantum mechanics , medicinal chemistry

The relative SERS enhancement factors for pyridine adsorbed on a silver electrode were determined as a function of the laser wavelength and applied potential. The charge‐transfer (CT) contribution to the SERS intensity ( I ), G ct , was estimated from the excitation profiles (I vs. hv) and compared with the G ct values previously obtained from the I vs. electrode potential curves. A critical discussion of the determination of G ct with the aid of both methods is given.

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