{"id":36329,"date":"1998-01-01T00:00:00","date_gmt":"1998-01-01T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/sintesi-i-estudi-de-solids-moleculars-moleculars-organics-derivats-del-60-fullere-i-tetratiafulvalens\/"},"modified":"1998-01-01T00:00:00","modified_gmt":"1998-01-01T00:00:00","slug":"sintesi-i-estudi-de-solids-moleculars-moleculars-organics-derivats-del-60-fullere-i-tetratiafulvalens","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/quimica\/sintesi-i-estudi-de-solids-moleculars-moleculars-organics-derivats-del-60-fullere-i-tetratiafulvalens\/","title":{"rendered":"Sintesi i estudi de solids moleculars moleculars organics derivats del (60)- fullere i tetratiafulvalens."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Jose Llacay Pintat <\/strong><\/h2>\n<p>En esta tesis se han estudiado los fen\u00f3menos de transferencia electr\u00f3nica inter e intramoleculares entre c60 y dadores electr\u00f3nicos tipo ttf. Para el estudio de transferencias intramoleculares se sintetiz\u00f3 un complejo de transferencia de carga (ctc) entre c60 i betttf. Por reacci\u00f3n directa entre ambas mol\u00e9culas se aislaron cristales del ctc ternario (betttf) (c60) (disolvente), siendo disolvente tolueno o bien clorobenceno. El an\u00e1lisis de la estructura cristalina revela distancias cortas entre dador y aceptor electr\u00f3nico y una estructura bidimensional del c60. El an\u00e1lisis y caracterizaci\u00f3n espectrosc\u00f3pica del ctc indican una transferencia electr\u00f3nica muy peque\u00f1a, de acorde con las propiedades de aislante el\u00e9ctrico de los dos ctcs aislados.  para el estudio de las transferencias intramoleculares se llev\u00f3 a cabo la s\u00edntesis de una diada c60-ciclohexeno-ttf. La s\u00edntesis de dicho sistema implic\u00f3 la s\u00edntesis de intermedios altamente interesantes como un fullerenoderivado con una agrupaci\u00f3n 1,3-ditioli-2-tiona y una nueva familia de dadores ttf con una agrupaci\u00f3n 3-sulfoleno. A partir de dicha familia se sintetiz\u00f3 un ctc semiconductor con tcnq. La estructura cristalina de dos de los tres nuevos dadores se resolvi\u00f3 y puso de evidencia que el anillo 3-sulfoleno forma puentes de hidr\u00f3geno c-h&#8230;O. La nueva familia de diadas c60-ciclohexeno-ttf se sintetiz\u00f3 y se caracterizaron tanto las especies neutras como las de capa abierta. Se comprob\u00f3 que la especie cati\u00f3nica se asemeja a un ttf y la ani\u00f3nica a un fullereno. En estas diadas los fen\u00f3menos de transferencia entre los fragmentos electroactivos es inducida por luz. La irradiaci\u00f3n de dichos sistemas conduce a la formaci\u00f3n de estados de separaci\u00f3n de carga con un tiempo de vida inusualmente alto.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Sintesi i estudi de solids moleculars moleculars organics derivats del (60)- fullere i tetratiafulvalens.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Sintesi i estudi de solids moleculars moleculars organics derivats del (60)- fullere i tetratiafulvalens. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Jose Llacay Pintat <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Aut\u00f3noma de barcelona<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/01\/1998<\/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>Concepci\u00f3 Rovira Angulo<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Josep Font Cierco <\/li>\n<li>Nazario Martin Leon (vocal)<\/li>\n<li>Miguel \u00e1ngel Peric\u00ed\u00a0s Brondo (vocal)<\/li>\n<li>Alain Gorgues (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Jose Llacay Pintat En esta tesis se han estudiado los fen\u00f3menos de transferencia electr\u00f3nica inter e intramoleculares [&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 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