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Reactions of radicals with hydrolyzed Bi(III) ions : a pulse radiolysis study

hal.structure.identifierCentre de Recherche sur la Matière Divisée [CRMD]
dc.contributor.authorBENOIT, Roland
hal.structure.identifierCentre de Recherche sur la Matière Divisée [CRMD]
dc.contributor.authorSABOUNGI, Marie-Louise
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorTRÉGUER-DELAPIERRE, Mona
hal.structure.identifierThe Radiation Laboratory and Department of Chemistry and Biochemistry
dc.contributor.authorMILOSAVLJEVIC, B. H.
hal.structure.identifierThe Radiation Laboratory and Department of Chemistry and Biochemistry
dc.contributor.authorMEISEL, D.
dc.date.issued2007
dc.identifier.issn1089-5639
dc.description.abstractEnRadiolytic reduction of BiOClO4 in aqueous solutions leads to the formation of bismuth clusters and larger nanoparticles. The mechanisms of redox reactions of the polycationic Bi(III) species that exist in the solution were investigated with pulse radiolysis. The kinetic and spectral properties of the transients formed by the reaction of these species with the primary radicals from water radiolysis are reported. The single-electron reduction product, Bi9(OH)224+, absorbs at lambdamax = 273 nm, while the OH adduct, Bi9(OH)235+, has a broad absorption spectrum with a maximum at 280 nm and a shoulder at 420 nm. Several rate constants were measured: k (e-aq + Bi9(OH)225+) = 1.2 x 1010 M-1 s-1 and k (OH + Bi9(OH)225+) = 1.5 x 109 M-1 s-1...
dc.language.isoen
dc.publisherAmerican Chemical Society
dc.subject.enBismuth
dc.subject.enRadiolysis
dc.subject.enTransient intermediate
dc.subject.enNanoparticles
dc.title.enReactions of radicals with hydrolyzed Bi(III) ions : a pulse radiolysis study
dc.typeArticle de revue
dc.identifier.doi10.1021/jp073895b
dc.subject.halChimie/Matériaux
bordeaux.journalJournal of Physical Chemistry A
bordeaux.page10640-10645
bordeaux.volume111
bordeaux.issue42
bordeaux.peerReviewedoui
hal.identifierhal-00186854
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-00186854v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Journal%20of%20Physical%20Chemistry%20A&rft.date=2007&rft.volume=111&rft.issue=42&rft.spage=10640-10645&rft.epage=10640-10645&rft.eissn=1089-5639&rft.issn=1089-5639&rft.au=BENOIT,%20Roland&SABOUNGI,%20Marie-Louise&TR%C3%89GUER-DELAPIERRE,%20Mona&MILOSAVLJEVIC,%20B.%20H.&MEISEL,%20D.&rft.genre=article


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