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Surface-enhanced Raman scattering (SERS) at Copper(I) oxide

✍ Scribed by A. Kudelski; W. Grochala; M. Janik-Czachor; J. Bukowska; A. Szummer; M. Dolata

Publisher
John Wiley and Sons
Year
1998
Tongue
English
Weight
251 KB
Volume
29
Category
Article
ISSN
0377-0486

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✦ Synopsis

Surface-enhanced Raman scattering spectra of pyridine at a copper(I) oxide hydrosol and at copper Cu 2 O-covered electrode produced by "oscillating reaction rougheningÏ are reported. It is shown that on such surfaces pyridine molecules adsorb as pyridinium cations. The "oscillating reactionÏ pretreatment yields a passivated Cu surface which does not undergo any reduction during the cathodic scan, producing a SERS spectrum of pyridinium cations even after decreasing the electrode potential to strongly negative values.

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