{"id":24011,"date":"2018-03-09T09:14:47","date_gmt":"2018-03-09T09:14:47","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/sa%c2%adntesis-electroqua%c2%admica-de-nanoparta%c2%adculas-de-ag-y-co-cinetica-de-formacion-y-propiedades-fisicoqua%c2%admicas\/"},"modified":"2018-03-09T09:14:47","modified_gmt":"2018-03-09T09:14:47","slug":"sa%c2%adntesis-electroqua%c2%admica-de-nanoparta%c2%adculas-de-ag-y-co-cinetica-de-formacion-y-propiedades-fisicoqua%c2%admicas","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/fisica\/sa%c2%adntesis-electroqua%c2%admica-de-nanoparta%c2%adculas-de-ag-y-co-cinetica-de-formacion-y-propiedades-fisicoqua%c2%admicas\/","title":{"rendered":"S\u00edntesis electroqu\u00edmica de nanopart\u00edculas de ag y co. cin\u00e9tica de formaci\u00f3n y propiedades fisicoqu\u00edmicas"},"content":{"rendered":"<h2>Tesis doctoral de <strong>  Rodr\u00edguez S\u00e1nchez M. Luisa <\/strong><\/h2>\n<p>En el presente trabajo de investigaci\u00f3n se ha estudiado un m\u00e9todo electroqu\u00edmico de s\u00edntesis de nanopart\u00edculas, y se ha aplicado a la obtenci\u00f3n de part\u00edculas de plata y de cobalto. El m\u00e9todo de s\u00edntesis se basa en la an\u00f3dica de una l\u00e1mina met\u00e1lica de la que se pretenden obtener las nanopart\u00edculas, seguida de la reduci\u00f3n cat\u00f3dica a densidad de corriente constante en presencia de un agente estabilizante que act\u00faa al mismo tiempo como electrolito soporte.  se han sintetizado de plata con un di\u00e1metro medio de part\u00edcula comprendido entre los 2 y 6 nm, empleando como c\u00e1todo una l\u00e1mina de platino y como electrolito soporte una disoluci\u00f3n 0.1 m de acetato de tetrabutilamonio en acetonitrilo, siendo el par\u00e1metro de control de tama\u00f1o la densidad de corriente de reducci\u00f3n.  se han estudiado las propiedades \u00f3pticas de los coloides de plata sintetizados a diferentes densidades de corriente mediante espectroscop\u00eda vis-uv, lo que ha permitido proponer un mecanismo para la reacci\u00f3n de formaci\u00f3n de part\u00edculas que interpreta correctamente los datos cin\u00e9ticos obtenidos.  se han podido obtener nanopart\u00edculas de cobalto empleando diferentes sales de amonio (bromuro, nitrato y hexaflurofosfato de tetrabutilamonio) y diversos electrodos de trabajo (platino, plata, cobalto y aluminio). tanto el electrolito soporte como el c\u00e1todo han mostrado tener una gran influencia sobre el tama\u00f1o de las part\u00edculas sintetizadas.  el estudio por difracci\u00f3n de rayos x pone de manifiesto que las part\u00edculas de co sintetizadas se transforman en co3o4 en presencia del ox\u00edgeno del aire. Las part\u00edculas de co son protegidas de forma eficaz contra la oxidaci\u00f3n empleando resinas epoxi. La temperatura de bloqueo de las part\u00edculas de di\u00e1metro aproximado de 2 nm as\u00ed protegidas, obtenida a partir de las curvas zero field cooling-field cooling a un campo constante de 50 oe es de unos 7 k, lo que concuerda bastante bien con el previsto para part\u00edcul<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>S\u00edntesis electroqu\u00edmica de nanopart\u00edculas de ag y co. cin\u00e9tica de formaci\u00f3n y propiedades fisicoqu\u00edmicas<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 S\u00edntesis electroqu\u00edmica de nanopart\u00edculas de ag y co. cin\u00e9tica de formaci\u00f3n y propiedades fisicoqu\u00edmicas <\/li>\n<li><strong>Autor:<\/strong>\u00a0  Rodr\u00edguez S\u00e1nchez M. Luisa <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Santiago de compostela<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 27\/06\/2003<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3>Direcci\u00f3n y tribunal<\/h3>\n<ul>\n<li><strong>Director de la tesis<\/strong>\n<ul>\n<li>Manuel Arturo L\u00f3pez Quintela<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: julio Casado linarejos <\/li>\n<li>Jos\u00e9 Rivas rey (vocal)<\/li>\n<li> Leal villalva Jos\u00e9 Manuel (vocal)<\/li>\n<li> Sastre vicente Manuel s. (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Rodr\u00edguez S\u00e1nchez M. Luisa En el presente trabajo de investigaci\u00f3n se ha estudiado un m\u00e9todo electroqu\u00edmico de [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"footnotes":""},"categories":[1424,199,560,977],"tags":[2493,565,70830,2751,70829,70831],"class_list":["post-24011","post","type-post","status-publish","format-standard","hentry","category-electroquimica","category-fisica","category-quimica-fisica","category-santiago-de-compostela","tag-jose-rivas-rey","tag-julio-casado-linarejos","tag-leal-villalva-jose-manuel","tag-manuel-arturo-lopez-quintela","tag-rodriguez-sanchez-m-luisa","tag-sastre-vicente-manuel-s"],"_links":{"self":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/24011","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/comments?post=24011"}],"version-history":[{"count":0,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/24011\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/media?parent=24011"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/categories?post=24011"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/tags?post=24011"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}