Please use this identifier to cite or link to this item: http://hdl.handle.net/10261/28739
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dc.contributor.authorMartín-González, Marisol-
dc.contributor.authorPrieto, Amy Lucia-
dc.contributor.authorGronsky, Ronald-
dc.contributor.authorSands, Timothy-
dc.contributor.authorStacy, Angelica-
dc.date.accessioned2010-10-27T08:48:54Z-
dc.date.available2010-10-27T08:48:54Z-
dc.date.issued2002-09-18-
dc.identifier.citationJournal of the Electrochemical Society 149(11): C546-C554 (2002)es_ES
dc.identifier.issn0013-4651-
dc.identifier.urihttp://hdl.handle.net/10261/28739-
dc.description9 páginas, 10 figuras, 2 tablas.es_ES
dc.description.abstractIn this paper, the processes associated with the electrodeposition of bismuth telluride (Bi2Te3), a thermoelectric material, are reported along with an analysis of the composition and crystallinity of the resulting films. The electrodeposition can be described by the general reaction 3HTeO2+ + 2Bi3+ + 18e– + 9H - Bi2Te3 + 6H2O. Cyclic voltammetry studies of Bi, Te, and Bi/Te dissolved in 1 M HNO3 reveal two different underlying processes depending on the deposition potential. One process involves the reduction of HTeO2+ to Te0 and a subsequent interaction between reduced Te0 and Bi3+ to form Bi2Te3. A second process at more negative reduction potentials involves reduction of HTeO2+ to H2Te followed by the chemical interaction with Bi3+. Both processes result in the production of crystalline Bi2Te3 films in the potential range –0.1<E<–0.52 V vs. Ag/AgCl (3 M NaCl) on Pt substrates as determined by powder X-ray diffraction (XRD). Electron probe microanalyses and XRD reveal that the films are bismuth-rich and less oriented for more negative deposition potentials.es_ES
dc.description.sponsorshipM.S.M.G thanks MEC/Fulbright Fellowship program. This work was funded by the U.S. Department of Defense ONR-MURI on Thermoelectrics, no. N00014-97-1-0516.es_ES
dc.language.isoenges_ES
dc.publisherElectrochemical Societyes_ES
dc.rightsopenAccesses_ES
dc.titleInsights into the Electrodeposition of Bi2Te3es_ES
dc.typeartículoes_ES
dc.identifier.doi10.1149/1.1509459-
dc.description.peerreviewedPeer reviewedes_ES
dc.relation.publisherversionhttp://dx.doi.org/10.1149/1.1509459es_ES
dc.type.coarhttp://purl.org/coar/resource_type/c_6501es_ES
item.grantfulltextopen-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.cerifentitytypePublications-
item.fulltextWith Fulltext-
item.languageiso639-1en-
item.openairetypeartículo-
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