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Titolo:
STUDIES OF THE EFFECT OF BISMUTH ON THE ANODIC-OXIDATION OF LEAD IN SULFURIC-ACID-SOLUTION BY PHOTOCURRENT SPECTROSCOPY
Autore:
XIA SJ; ZHOU WF;
Indirizzi:
FUDAN UNIV,DEPT CHEM SHANGHAI 200433 PEOPLES R CHINA FUDAN UNIV,DEPT CHEM SHANGHAI 200433 PEOPLES R CHINA
Titolo Testata:
Journal of electroanalytical chemistry [1992]
fascicolo: 1-2, volume: 379, anno: 1994,
pagine: 423 - 426
Fonte:
ISI
Lingua:
ENG
Soggetto:
SULFURIC-ACID; ELECTRODE; PHOTOELECTROCHEMISTRY; REDUCTION;
Keywords:
BISMUTH; ANODIC OXIDATION; LEAD; PHOTOCURRENT SPECTROSCOPY;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Science Citation Index Expanded
Citazioni:
23
Recensione:
Indirizzi per estratti:
Citazione:
S.J. Xia e W.F. Zhou, "STUDIES OF THE EFFECT OF BISMUTH ON THE ANODIC-OXIDATION OF LEAD IN SULFURIC-ACID-SOLUTION BY PHOTOCURRENT SPECTROSCOPY", Journal of electroanalytical chemistry [1992], 379(1-2), 1994, pp. 423-426

Abstract

The anodic film formed on Pb-9 at.% Bi alloy at 0.90 V (vs. Hg/Hg2SO4) in 4.5 M H2SO4 solution (25 degrees C) was studied using photocurrent spectroscopy. The presence of bismuth does not change the band gap energy (2.0 eV) or the flat-band potential (-0.28 V vs. Hg/Hg2SO4), butreduces significantly the photocurrent of t-PbO in the anodic film. This may be due to the presence of Bi2O3 crystallites in the t-PbO film.

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Documento generato il 22/10/20 alle ore 09:27:59