{"id":101361,"date":"2010-04-06T00:00:00","date_gmt":"2010-04-06T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/nanoparta%c2%adcules-meta-la%c2%b7liques-suportades-en-materials-altament-fluorats-i-la-seva-aplicacio-com-a-catalitzadors-reutilitzables\/"},"modified":"2010-04-06T00:00:00","modified_gmt":"2010-04-06T00:00:00","slug":"nanoparta%c2%adcules-meta-la%c2%b7liques-suportades-en-materials-altament-fluorats-i-la-seva-aplicacio-com-a-catalitzadors-reutilitzables","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/catalisis\/nanoparta%c2%adcules-meta-la%c2%b7liques-suportades-en-materials-altament-fluorats-i-la-seva-aplicacio-com-a-catalitzadors-reutilitzables\/","title":{"rendered":"Nanopart\u00edcules met\u00c1\u00a0l\u00c2\u00b7liques suportades en materials altament fluorats i la seva aplicaci\u00f3 com a catalitzadors reutilitzables."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Sandra Niembro Puiggen\u00e9 <\/strong><\/h2>\n<p>En los \u00faltimos a\u00f1os las nanopart\u00edculas met\u00e1licas (nps) han adquirido gran importancia en el campo de la cat\u00e1lisis. Uno de los principales objetivos es la recuperaci\u00f3n y reutilizaci\u00f3n del metal, especialmente en aplicaciones industriales. La elecci\u00f3n del estabilizante en la formaci\u00f3n de las nps es un aspecto fundamental. Se han preparado dos nuevos sulfuros altamente fluorados capaces de estabilizar nps de pd(0), ru(0) y rh(0). Las nanopart\u00edculas de pd(0) se han usado con \u00e9xito en reacciones de acoplamiento cruzado. Adem\u00e1s, estas nanopart\u00edculas se han absorbido sobre un gel de s\u00edlice fluorado comercial, y posteriormente se han usado como catalizadores en las reacciones anteriormente citadas. por otro lado, se han preparado materiales h\u00edbridos altamente fluorados mediante proceso sol-gel, que han resultado ser magn\u00edficos estabilizantes de nps de pd(0) para su uso en cat\u00e1lisis asistida por microondas. tambi\u00e9n, se ha sintetizado un tiol arom\u00e1tico altamente fluorado capaz de estabilizar nanopart\u00edculas de oro, las cuales se han absorbido sobre un gel de s\u00edlice fluorado comercial y se han usado con \u00e9xito en reacciones de oxidaci\u00f3n de alcoholes. finalmente, se ha intentado preparar nanopart\u00edculas de oro funcionalizadas con cinconina como organocatalizadores reutilizable.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Nanopart\u00edcules met\u00c1\u00a0l\u00c2\u00b7liques suportades en materials altament fluorats i la seva aplicaci\u00f3 com a catalitzadors reutilitzables.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Nanopart\u00edcules met\u00c1\u00a0l\u00c2\u00b7liques suportades en materials altament fluorats i la seva aplicaci\u00f3 com a catalitzadors reutilitzables. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Sandra Niembro Puiggen\u00e9 <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Aut\u00f3noma de barcelona<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 04\/06\/2010<\/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>Alexandr Shafir<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Miguel \u00e1ngel Esteruelas rodrigo <\/li>\n<li>ramon Alibes arques (vocal)<\/li>\n<li>anna Roglans ribas (vocal)<\/li>\n<li>rosario Fernandez fernandez (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Sandra Niembro Puiggen\u00e9 En los \u00faltimos a\u00f1os las nanopart\u00edculas met\u00e1licas (nps) han adquirido gran importancia en el 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