TRANSFORMACIÓN POST-ADSORCIÓN DE MOLÉCULAS LIGADAS NO-COVALENTAMENTE A SOPORTES GRAFÉNICOS.
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2020-10-21
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Jaén: Universidad de Jaén
Resumen
El trabajo de fin de grado que se ha realizado consiste en la preparación de un derivado del ácido perilenotetracarboxílico que cumple con tres condiciones funcionales: i) es soluble en disolventes polares; ii) se puede adsorber sobre superficies grafénicas en proporciones altas; iii) puede transformarse térmicamente en un derivado de perilenotetracarboxílicodiimida.
Su estructura se ha podido caracterizar empleando los procedimientos espectroscópicos habituales dada su buena solubilidad en disolventes orgánicos polares como metanol.
Su adsorción sobre superficies grafénicas hasta alcanzar los 0.50 mmol/g en unos nanoplatelets de grafeno con área superficial específica de 800 m2/g se han podido realizar a partir de disoluciones del compuesto en isopropanol.
Con la transformación térmica de este compuesto en perilenodiimidas, una vez adsorbido sobre superficies grafénicas, esperamos conseguir materiales grafénicos con funcionalización no-covalente que puedan tener aplicaciones en campos como tecnológicos como catálisis y electroquímica.
The work contained in this dissertation deals on the preparation of a perylenetetracaroxylic acid derivative that comply with three functional conditions: i) it is soluble in polar solvents; ii) it can be adsorbed onto graphene-type surfaces at high loadings; iii) it can be thermally transformed into a perylenetetracarboxylic diimide derivative. Its structure was characterized by means of standard spectroscopic techniques due to its good solubility in organic polar solvents, as metanol. The adsorption of the newly synthesized derivative onto graphene-type surfaces reached up to 0.50 mmol/g on graphene nanoplatelets possessing a specific surface área o 800 m2/g in adsorption experiences made with solutions of our perylene derivative in isopropanol. We hope that the thermal transformation of this compound into perylenediimide derivatives after adsorption on graphene-type surfaces, can produce non-covalent functionalized graphene materials of interests for technological applications in fields such as catalysis or electrochemistry.
The work contained in this dissertation deals on the preparation of a perylenetetracaroxylic acid derivative that comply with three functional conditions: i) it is soluble in polar solvents; ii) it can be adsorbed onto graphene-type surfaces at high loadings; iii) it can be thermally transformed into a perylenetetracarboxylic diimide derivative. Its structure was characterized by means of standard spectroscopic techniques due to its good solubility in organic polar solvents, as metanol. The adsorption of the newly synthesized derivative onto graphene-type surfaces reached up to 0.50 mmol/g on graphene nanoplatelets possessing a specific surface área o 800 m2/g in adsorption experiences made with solutions of our perylene derivative in isopropanol. We hope that the thermal transformation of this compound into perylenediimide derivatives after adsorption on graphene-type surfaces, can produce non-covalent functionalized graphene materials of interests for technological applications in fields such as catalysis or electrochemistry.