Hybrid and lanthanide-doped xerogels, and modified titanosilicalites: synthesis, characterisation and application in sensorics and photocatalysis
Fecha
2024Autor
Versión
Acceso abierto / Sarbide irekia
Tipo
Tesis doctoral / Doktoretza tesia
Identificador del proyecto
Impacto
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10.48035/Tesis/2454/47982
Resumen
La investigación presentada en esta memoria tiene como objetivo preparar xerogeles híbridos de silicio y silicalitas de titanio modificadas, utilizando diversos precursores orgánicos, y estudiar la influencia de su naturaleza en las propiedades texturales y químicas de los nuevos materiales, con el fin de controlar su química superficial y textura, buscando la mayor versatilidad y el material mej ...
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La investigación presentada en esta memoria tiene como objetivo preparar xerogeles híbridos de silicio y silicalitas de titanio modificadas, utilizando diversos precursores orgánicos, y estudiar la influencia de su naturaleza en las propiedades texturales y químicas de los nuevos materiales, con el fin de controlar su química superficial y textura, buscando la mayor versatilidad y el material mejor adaptado a la aplicación concreta que se le pretende dar, que son, en este estudio, la preparación de membranas de sensores químicos de fibra óptica y la degradación fotocatalítica de venlafaxina. [--]
The research presented in this doctoral dissertation is focused on the synthesis of hybrid silica xerogels and modified titanium silicalites using different organic precursors, and on the study of their influence on the textural and chemical properties of the new materials. The main goal is to obtain versatile and well-adapted materials for specific applications, which are the preparation of memb ...
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The research presented in this doctoral dissertation is focused on the synthesis of hybrid silica xerogels and modified titanium silicalites using different organic precursors, and on the study of their influence on the textural and chemical properties of the new materials. The main goal is to obtain versatile and well-adapted materials for specific applications, which are the preparation of membranes for optical fibre sensors and the photocatalytic degradation of venlafaxine. [--]
Materias
Synthesis of siliceous materials,
Silica hybrid inorganic-organic xerogels (HXG),
Silica xerogels doped with lanthanides (Ln-AL),
Modified titanium,
Coatings for optical fibre sensors (HXG and Ln-AL),
Photocatalysts for the removal of pollutants in aqueous media (TSR%)
Departamento
Universidad Pública de Navarra. Departamento de Ciencias /
Nafarroako Unibertsitate Publikoa. Zientziak Saila
Programa de doctorado
Versión del editor
Entidades Financiadoras
This doctoral thesis has been developed thanks to the funding received from Ministerio de Economia y Competitividad (Project MAT2016-78155-C2-2-R) and Ministerio de Ciencia e Innovación (Project PID2020-113558RB-C42) from the Government of Spain. The author would also like to acknowledge the financial support provided by the Ministerio de Universidades of the Government of Spain, for the predoctoral grant (2020-2024) within the Formación de Profesorado Universitario (FPU) program (FPU18/03467); and the Government of Navarre, for a predoctoral international mobility grant (0011-3564-2022-000035), which allowed the author to complete a three months doctoral stay (2022) in the Faculty of chemical engineering at the University of Porto (FEUP).