Mostrando ítems 1-16 de 16
Cárdenas Morcoso, Drialys (Fecha de defensa: 2020-07-20)
Uno de los retos actuales de la ciencia y la tecnología es el desarrollo y utilización de fuentes de energías limpias, sostenibles y seguras, con el fin de sustituir el uso de combustibles fósiles. La energía solar, única ...
Ruiz Raga, Sonia (Fecha de defensa: 2013-05-13)
The conversion of sunlight into electricity is one of the most promising energy sources because is renewable and available worldwide. Therefore, is desirable to develop low cost, stable and efficient photovoltaic devices ...
Miralles-Comins, Sara (Fecha de defensa: 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 ...
Ventura Espinosa, David (Fecha de defensa: 2020-07-10)
En la presente tesis doctoral se ha descrito la síntesis de nuevos materiales híbridos basados en complejos organometálicos anclados mediante interacciones no covalentes sobre materiales derivados del grafeno. Los nuevos ...
González Cuadra, Jaime (Fecha de defensa: 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 ...
Pulya Ravishankar, Sandheep (Fecha de defensa: 2019-09-16)
Perovskite solar cells (PSC) have emerged as an important player in the search for producing c1ean and renewable energy at high efficiencies. However, there exist several bottlenecks to maximise their efficiency and ...
Vallés Pelarda, Marta (Fecha de defensa: 2022-01-21)
Halide perovskites have had a huge impact on different fields in the last decade due to their versatility and amazing optoelectronic properties. However, there are still some issues to improve towards their future utilization ...
Andrio Balado, Andreu (Fecha de defensa: 1998-07-10)
En esta tesis se han estudiado las propiedades difusivas de tres filmes de polietileno lineal de baja densidad a los gases nitrógeno, oxígeno y dióxido de carbono. Se ha medido los coeficientes de permeabilidad, difusión ...
Almora Rodríguez, Osbel (Fecha de defensa: 2020-06-19)
In the present work, anomalous distortions occurring in the current-voltage characteristic of perovskite solar cells (PSCs), usually called J-V curve hysteresis, are studied by several methods. This includes dynamic ...
Gonzales, Cedric (Fecha de defensa: 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 ...
Dos Santos Veiga, Emerson Luiz (Fecha de defensa: 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, ...
Alvarez Ojeda, Agustín (Fecha de defensa: 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 ...
Martí Valls, Rafael (Fecha de defensa: 2016-12-19)
La presente tesis se basa en la obtención de materiales absorbentes para dispositivos fotovoltaicos de capa fina. Los compuestos absorbentes estudiados han sido Cu(In0,7Ga0,3)Se2 (CIGS, calcopirita) y Cu2ZnSn(Se1-x,Sx)4 ...
Clasen Hames, Bruno (Fecha de defensa: 2019-10-24)
El aumento del consumo energético ha provocado un gran impacto ambiental debido al intenso uso de las fuentes de energía no renovables, provocando cambios climáticos y calentamiento global. Para frenar estos efectos no ...
Serna-Gallén, Pablo (Fecha de defensa: 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 ...
Kunnummal Mangott, Muhammed Salim (Fecha de defensa: 2022-05-26)
The photovoltaic and luminance efficiencies of halide perovskite-based devices achieved an unprecedented improvement in comparison to their existing counterparts. Among the family of lead-based halide perovskites, the ...