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dc.contributor.authorGodoi, Denis Ricardo Martins de-
dc.contributor.authorChen, Youjiang-
dc.contributor.authorZhu, Huanfeng-
dc.contributor.authorScherson, Daniel-
dc.identifier.citationLangmuir. Washington: Amer Chemical Soc, v. 26, n. 20, p. 15711-15713, 2010.-
dc.description.abstractThe electrooxidation of hydroxylamine (HAM) on roughened Au electrodes has been examined in aqueous buffered electrolytes (pH 3) using in situ surface-enhanced Raman scattering (SERS). Two distinct spectral features were observed at potentials, E, within the range in which HAM oxidation was found to ensue, centered at 803 cm(-1) for 0.55 < E < 0.8 V and at 826 cm(-1) for 1.0 < E < 1.40 V versus SCE, attributed, respectively, to adsorbed nitrite and adsorbed NO(2). Similar experiments performed in solutions containing nitrite instead of HAM under otherwise identical conditions displayed only the peak ascribed to adsorbed nitrite over the range of 0.1 < E < 0.8 V versus SCE with no additional features at higher potentials. These observations strongly suggest that under the conditions selected for these studies the oxidation of HAM on Au proceeds at least in part through a pathway that does not involve nitrite as a solution-phase intermediate.en
dc.description.sponsorshipCoordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)-
dc.publisherAmer Chemical Soc-
dc.sourceWeb of Science-
dc.titleElectrochemical Oxidation of Hydroxylamine on Gold in Aqueous Acidic Electrolytes: An in Situ SERS Investigationen
dc.contributor.institutionCase Western Reserve Univ-
dc.contributor.institutionUniversidade Estadual Paulista (UNESP)-
dc.description.affiliationCase Western Reserve Univ, Dept Chem, Cleveland, OH 44106 USA-
dc.description.affiliationUNESP Univ Estadual Paulista, Inst Quim, Dept Fis Quim, BR-14801970 Araraquara, Brazil-
dc.description.affiliationUnespUNESP Univ Estadual Paulista, Inst Quim, Dept Fis Quim, BR-14801970 Araraquara, Brazil-
dc.description.sponsorshipIdCAPES: 0643-09-2-
dc.rights.accessRightsAcesso restrito-
Appears in Collections:Artigos, TCCs, Teses e Dissertações da Unesp

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