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Titolo:
EXTENDING SURFACE-ENHANCED RAMAN-SPECTROSCOPIC STUDIES ON WATER AT GOLD ELECTRODES
Autore:
TIAN ZQ; CHEN YX; MAO BW; LI CZ; WANG J; LIU ZF;
Indirizzi:
XIAMEN UNIV,STATE KEY LAB PHYS CHEM SOLID SURFACES XIAMEN 361005 PEOPLES R CHINA XIAMEN UNIV,DEPT CHEM XIAMEN 361005 PEOPLES R CHINA BEIJING UNIV,DEPT CHEM BEIJING 100871 PEOPLES R CHINA
Titolo Testata:
Chemical physics letters
fascicolo: 1-3, volume: 240, anno: 1995,
pagine: 224 - 229
SICI:
0009-2614(1995)240:1-3<224:ESRSOW>2.0.ZU;2-W
Fonte:
ISI
Lingua:
ENG
Soggetto:
SILVER ELECTRODES; DOUBLE-LAYER; SCATTERING; ADSORPTION; DEPENDENCE; H2O;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
26
Recensione:
Indirizzi per estratti:
Citazione:
Z.Q. Tian et al., "EXTENDING SURFACE-ENHANCED RAMAN-SPECTROSCOPIC STUDIES ON WATER AT GOLD ELECTRODES", Chemical physics letters, 240(1-3), 1995, pp. 224-229

Abstract

Surface-enhanced Raman scattering (SERS) of water molecules from goldelectrodes is reported for the first time. The metal substrate effecton the SERS active water is investigated by comparison of gold with silver in 3 M KCl. The SERS spectra of water recorded at various electrode potentials are significantly different for the two metals. The SERS active surface structure of gold is much more stable and there may exist two types of the surface structure for gold at 0.3 and -0.3 V, respectively. The results indicate that the electromagnetic (EM) and chemical enhancement mechanisms operate simultaneously.

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Documento generato il 11/07/20 alle ore 20:06:37