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Titolo:
Effects of adsorbed polyaniline on redox process on MoO3 surface
Autore:
de Farias, RF; de Souza, JM; de Melo, JV; Airoldi, C;
Indirizzi:
Univ Estadual Campinas, Inst Quim, BR-13083970 Campinas, SP, Brazil Univ Estadual Campinas Campinas SP Brazil BR-13083970 BCpinas, SP, Brazil Univ Fed Roraima, Dept Quim, BR-69310270 Boa Vista, Roraima, Brazil Univ Fed Roraima Boa Vista Roraima Brazil BR-69310270 BC, Roraima, Brazil Univ Fed Pernambuco, Dept Quim Fundamental, BR-50670901 Recife, PE, BrazilUniv Fed Pernambuco Recife PE Brazil BR-50670901 BC901 Recife, PE, Brazil
Titolo Testata:
JOURNAL OF COLLOID AND INTERFACE SCIENCE
fascicolo: 1, volume: 212, anno: 1999,
pagine: 123 - 129
SICI:
0021-9797(19990401)212:1<123:EOAPOR>2.0.ZU;2-N
Fonte:
ISI
Lingua:
ENG
Soggetto:
CONDUCTING POLYMERS; EMERALDINE BASE; HYDROXYL-GROUPS; SILICA-GEL; POLYMERIZATION; INTERCALATION; ANILINE; KRAFT; PHOSPHONATE; CATALYSTS;
Keywords:
molybdenum oxide; polyaniline; cyclic voltammetry; interface;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
45
Recensione:
Indirizzi per estratti:
Indirizzo: de Farias, RF Univ Estadual Campinas, Inst Quim, Caixa Postal 6154, BR-13083970 Campinas, Univ Estadual Campinas Caixa Postal 6154 Campinas SP BrazilBR-13083970 BC
Citazione:
R.F. de Farias et al., "Effects of adsorbed polyaniline on redox process on MoO3 surface", J COLL I SC, 212(1), 1999, pp. 123-129

Abstract

The effects exhibited by adsorbed conducting polyaniline on the redox process on a molybdenum oxide surface were studied. Thermogravimetric results indicate a 4% polyaniline deposition. Cyclic voltammograms of the adsorbed polymer on MoO3 show that polyaniline exerts remarkable effects on the molybdenum blue oxidation-reduction process, with oxidation and reduction potentials of 0.33 and 0.18 V, respectively, This effect strongly enhances the electrode response, and can be used as an important tool in qualitative and/or quantitative determinations of molybdenum in solution as Well as in any substrate. (C) 1999 Academic Press.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 22/09/20 alle ore 13:32:09