Now showing items 6-25 of 262

    Molybdenum sulfide cluster catalysts in hydrogenation and dehydrogenation reactions: a combined theoretical and experimental study 

    Gutiérrez-Blanco, María (Date of defense: 2024-01-25)

    This doctoral thesis addresses the synthesis, structural characterization and applications as homogeneous catalysts of molybdenum sulfide clusters decorated with ligands containing amino groups. In particular, hydrogenation ...

    Solid-State Hosts Based on Fluorides with Europium: From the Crystal Structure toward the Optical Performance 

    Serna-Gallén, Pablo (Date of defense: 2023-12-21)

    The present Doctoral Thesis is framed within the Solid State Chemistry and Materials Science, focusing on the formulation of host lattices based on yttrium fluorides for photoluminescence applications, and establishing ...

    Algebraic integrability of foliations by extension to Hirzebruch surfaces. Applications to bounded negativity. 

    Pérez-Callejo, Elvira (Date of defense: 2023-12-21)

    We make progress on two open mathematical problems: the problem of algebraic integrability of polynomial foliations on $\mathbb{C}^2$ and the bounded negativity conjecture. For the first one, we identify $\mathbb{C}^2$ ...

    Development of transparent semiconductor oxides with optical properties for the functionalization of glass surfaces 

    González Cuadra, Jaime (Date of defense: 2023-12-15)

    The growing interest in semiconductor oxide thin films within materials science and engineering due to their unique physical, chemical, and electrical properties. These films, with thicknesses ranging from nanometers to ...

    Desarrollo de triazoles y tetrazoles como agentes inmunomoduladores y disruptores del microambiente tumoral 

    Pla López, Alberto (Date of defense: 2023-12-15)

    En esta Tesis Doctoral se han sintetizado, purificado y caracterizado cuatro familias de compuestos orgánicos. Dos de ellas basadas en una estructura donde el anillo central de las moléculas es de tipo triazol, mientras ...

    Materials based on RE2Zr2O7 compositions: a comprehensive study on advanced properties and multifunctional applications 

    Dos Santos Veiga, Emerson Luiz (Date of defense: 2023-12-14)

    In the face of imminent challenges posed by climate change, urgent strides in sustainable development, particularly in energy-efficient alternatives, are crucial. Technological advancements, especially in advanced materials, ...

    Geologia i Paleontologia (dinosaures) de Cinctorres i Portell (Castelló, Espanya) 

    Santos-Cubedo, Andrés (Date of defense: 2023-12-05)

    La tesi doctoral es centra en l’estudi de la Geologia i la Paleontologia (dinosaures) de Cinctorres i Portell (Castelló). Desprès d’un repàs històric als antecedents paleontològics sobre dinosaures a la comarca d’Els Ports, ...

    Structural and Processing Modification of Perovskite for the Optimization of Photovoltaic Devices 

    Serafini, Patricio (Date of defense: 2023-11-21)

    Perovskite solar cell devices exhibit better properties than previous generations of solar cells thus making them a powerful competitor in the market. However, it is necessary to carry out optimizations to reach high ...

    Trapping flexural waves in thin elastic plates by complex engineered surfaces 

    Martí-Sabaté, Marc (Date of defense: 2023-09-28)

    This document proposes the design of geometrical structures of resonators on top of a thin elastic plate in order to trap waves that propagate through the plate in a reduced area. Multiple scattering theory has been used ...

    Endophytic communities in S. lycopersicum genotypes: Isolation of a novel fungal strain and its application to plant 

    Liu Xu, Luisa (Date of defense: 2023-09-25)

    Plant development and resistance to biotic and abiotic stresses is influenced by several factors, including the plant genotype and the microbial communities that interact with it. Understanding this can be crucial in the ...

    Desarrollo de la competencia "Tratamiento de la información" en la ESO, a través de la lógica y del análisis estadístico de los datos. 

    Pitarch Andrés, Irene (Date of defense: 2016-02-05)

    La tesis continúa el estudio iniciado en el trabajo de investigación de tercer ciclo (D.E.A.), sobre la viabilidad y el interés didáctico del tratamiento de la información en la ESO (Pitarch, 2002), trabajando conjuntamente ...

    Síntesis y evaluación biológica de agentes multidiana con efecto inmunomodulador, antiangiogénico y antivascular 

    Gil-Edo, Raquel (Date of defense: 2023-09-08)

    La presente Tesis Doctoral se enmarca en el campo de la investigación básica del cáncer y su principal objetivo es la búsqueda de nuevas moléculas con potencial actividad anticáncer. Para ello, se han estudiado diversos ...

    Engineering metastructures for the full control of flexural waves 

    Wen, Zhihui (Date of defense: 2023-06-06)

    Thin plate structures are widely used in dynamic platforms. The artificial modulation of elastic waves in thin plates has always been one of the most important factors affecting the dynamic performance of devices. Dynamic ...

    Modulated Techniques to Analyse Photoconversion Devices 

    Alvarez Ojeda, Agustín (Date of defense: 2023-07-21)

    The urgent need for a sustainable energetic system to mitigate global warming has increased interest in solar energy as a promising solution. Currently, photoconversion technologies generate only a small fraction of the ...

    Hysteresis Control in Hybrid Perovskite-based Devices for Photovoltaic and Neuromorphic Computing Applications 

    Gonzales, Cedric (Date of defense: 2023-07-07)

    Perovskite solar cells have been rapidly advancing in record efficiencies at an unprecedented rate already approaching the theoretical maximum efficiency in just over a decade of development. Most notably, perovskites ...

    Development and Characterization of Electro- and Photo-Electrochemical Systems for High-Added-Value Products 

    Arcas Martínez, Ramon (Date of defense: 2023-05-04)

    The main challenge in the development of electrochemical and photoelectrochemical systems is the kinetics of the anodic oxygen evolution half-reaction (OER), which is intrinsically slow. For this reason, in this thesis all ...

    Development of Advanced Materials Based on Polymeric Ionic Liquids Formulated for Additive Manufacturing 

    Miralles-Comins, Sara (Date of defense: 2023-04-28)

    This thesis focuses on the design, development and characterisation of 3D printable materials based on polymeric ionic liquids. Additive manufacturing, commonly known as 3D printing, is a revolutionary set of technologies ...

    Determinación de distribuciones de fase mediante luz estructurada y detecció integrada 

    González Hernández, Humberto (Date of defense: 2022-05-20)

    La observación fue la primera herramienta del hombre para entender su entorno y comprender los fenómenos naturales que se presentaban a lo largo del tiempo. Algunas de las explicaciones a dichos fenómenos se pueden percibir ...

    Development of perovskite optoelectronic devices on flexible substrates 

    Hassanabadi, Ehsan (Date of defense: 2022-03-08)

    In this thesis, first, the monolithic integration of a perovskite-based optical waveguide amplifier together with a photodetector on a nanocellulose substrate is shown to demonstrate the feasibility of a stretchable signal ...

    Degradation of perineuronal nets in the cerebellum to prevent relapse of drug seeking 

    Sánchez Hernández, Aitor (Date of defense: 2023-03-03)

    Drug addiction can be associated with the ability of certain substances to hijack natural learning and memory mechanisms. This thesis focuses on the study and manipulation of cerebellar perineuronal nets (PNNs) following ...