SÍNTESIS DE UN CONECTOR PARA ENLAZAR NANOCRISTALES DE OXIHALUROS DE BISMUTO A SUPERFICIES GRAFÉNICAS.
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2020-10-21
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Jaén: Universidad de Jaén
Resumen
Este trabajo se centra en la síntesis de un conector molecular con las unidades estructurales necesarias para la unión de materiales grafénicos a láminas de oxihaluros de bismuto con el objetivo de conformar un fotocatalizador que permita la generación fotocatalítica de hidrógeno a partir de agua. Además, se ha llevado a cabo el estudio de diferentes vías para solventar el principal problema del método, la polimerización de uno de los intermedios de síntesis. El conector ha sido caracterizado por diferentes técnicas de determinación estructural apropiadas para el estudio de una sustancia muy insoluble. Se ha comprobado mediante difracción de rayos X, espectroscopía UV-Vis e infrarrojo que los apareamientos de los grupos amida de las cadenas laterales de la bisimida suponen la principal fuerza estabilizadora de la estructura, sumado a la participación de interacciones intermoleculares tipo π-π.
This work focuses on the synthesis of a molecular connector with the necessary structural units for the binding of graphene materials to bismuth oxyhalide sheets with the aim of forming a photocatalyst that allows the photocatalytic generation of hydrogen from water. In addition, the study of different alternative paths has been carried out to solve the main problem of the method, the polymerization of one of the synthetic intermediates. The linker has been characterized by different structural determination techniques suitable for highly insoluble substances. It has been verified by means of X-ray diffraction, UV-Vis and infrared spectroscopy that pairing of the amide groups of the bisimide side chains represent the main stabilized force of the structure, added to the participation of π-π type intermolecular interactions.
This work focuses on the synthesis of a molecular connector with the necessary structural units for the binding of graphene materials to bismuth oxyhalide sheets with the aim of forming a photocatalyst that allows the photocatalytic generation of hydrogen from water. In addition, the study of different alternative paths has been carried out to solve the main problem of the method, the polymerization of one of the synthetic intermediates. The linker has been characterized by different structural determination techniques suitable for highly insoluble substances. It has been verified by means of X-ray diffraction, UV-Vis and infrared spectroscopy that pairing of the amide groups of the bisimide side chains represent the main stabilized force of the structure, added to the participation of π-π type intermolecular interactions.