{"id":113818,"date":"2018-03-11T10:41:31","date_gmt":"2018-03-11T10:41:31","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/structure-dependent-electronic-properties-in-donor-acceptor-assemblies-on-metal-surfaces\/"},"modified":"2018-03-11T10:41:31","modified_gmt":"2018-03-11T10:41:31","slug":"structure-dependent-electronic-properties-in-donor-acceptor-assemblies-on-metal-surfaces","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/fisica-del-estado-solido\/structure-dependent-electronic-properties-in-donor-acceptor-assemblies-on-metal-surfaces\/","title":{"rendered":"Structure dependent electronic properties in donor-acceptor assemblies on metal surfaces"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Afaf El Sayed Abdel Mottaleb <\/strong><\/h2>\n<p>Las mezclas de mol\u00e9culas dadoras y aceptoras son habituales en los llamados dispositivos de inyecci\u00f3n, como las c\u00e9lulas solares org\u00e1nicas. En ellos, la capa de contacto con el electrodo met\u00e1lico es elemento clave, ya que el alineamiento de su estructura de niveles moleculares respecto al nivel de fermi del metal define las barreras de inyecci\u00f3n de electrones y huecos. En esta tesis se investiga el contacto mol\u00e9cula\/metal definido por un ret\u00edculo dador-aceptor autoensamblado sobre una superficie cristalina. El estudio es sistem\u00e1tico, vari\u00e1ndose la estequiometria y la naturaleza de las mol\u00e9culas dadoras (cupc, pen) y aceptoras (f16cupc, pfp), as\u00ed como la del substrato, para el que se usan las superficies cu(111) y au(111). La estructura geom\u00e9trica de las capas org\u00e1nicas se estudia con microscop\u00eda t\u00fanel (stm) y ondas estacionarias de rayos x (xsw), mientras que la estructura electr\u00f3nica se estudia con fotoemisi\u00f3n de rayos x (xps) y absorci\u00f3n (nexafs). Los resultados se comparan con c\u00e1lculos te\u00f3ricos dft realizados por el grupo del profesor angel rubio.El descubrimiento m\u00e1s importante es el desplazamiento en energ\u00eda de ligadura de los niveles profundos de las mol\u00e9culas en funci\u00f3n de la concentraci\u00f3n relativa de mol\u00e9culas dadoras y aceptoras en contacto con el metal. Este desplazamiento, que denominamos \u00c2\u00bfdador-a-aceptor\u00c2\u00bf, tiene un car\u00e1cter universal, ya que no depende de la naturaleza de mol\u00e9culas o substratos. El an\u00e1lisis sistem\u00e1tico y concienzudo permite concluir que el desplazamiento \u00c2\u00bfdador-aceptor\u00c2\u00bf refleja un desplazamiento r\u00edgido de la estructura de niveles moleculares del sistema, y por lo tanto, de las barreras de inyecci\u00f3n<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Structure dependent electronic properties in donor-acceptor assemblies on metal surfaces<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Structure dependent electronic properties in donor-acceptor assemblies on metal surfaces <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Afaf El Sayed Abdel Mottaleb <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Pa\u00eds vasco\/euskal herriko unibertsitatea<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 13\/02\/2013<\/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>Jos\u00e9 Enrique Ortega Conejero<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: andr\u00e9 Gourdon &#8212; <\/li>\n<li>ram\u00f3n Tena zaera (vocal)<\/li>\n<li>Jos\u00e9 Ortega mateo (vocal)<\/li>\n<li>esther Barrena villas (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Afaf El Sayed Abdel Mottaleb Las mezclas de mol\u00e9culas dadoras y aceptoras son habituales en los llamados [&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":[29842,1008,28868,12909],"tags":[225878,225879,125674,50571,87662,155238],"class_list":["post-113818","post","type-post","status-publish","format-standard","hentry","category-espectroscopia-de-rayos-x","category-fisica-del-estado-solido","category-moleculas-organicas","category-pais-vasco-euskal-herriko-unibertsitatea","tag-afaf-el-sayed-abdel-mottaleb","tag-andre-gourdon","tag-esther-barrena-villas","tag-jose-enrique-ortega-conejero","tag-jose-ortega-mateo","tag-ramon-tena-zaera"],"_links":{"self":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/113818","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=113818"}],"version-history":[{"count":0,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/113818\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/media?parent=113818"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/categories?post=113818"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/tags?post=113818"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}