Domínguez Juárez, Jorge Luís (Date of defense: 2014-07-22)
In recent years, it has been proposed that circular microresonators may become an important element in the core of many photonic devices. The high Q-factors seen in fused silica micro-spheres and ...
Mantilla Pérez, Paola (Date of defense: 2017-04-24)
Thin film photovoltaics encompass a group of technologies able to harvest light within a few microns thickness. The reduced thickness allows a low cost of manufacture while making the films flexible ...
Liu, Quan (Date of defense: 2018-03-23)
Solution-processed thin film solar cells emerged as very promising photovoltaic technologies suitable for a low cost roll-to-roll upscale production. Such thin film character also ensures lightweight ...
Betancur Lopera, Rafael (Date of defense: 2013-07-10)
Organic photovoltaic (OPV) technology has emerged as a potential cost-effective solution to produce electrical energy. The foreseen low manufacturing costs combined with features as semi-transparency ...
Martínez-Denegrí Sánchez, Guillermo (Date of defense: 2021-09-29)
The environmental issues associated with the use of conventional fuels necessitates the utilisation of renewable energy sources, as well as the implementation of energy efficient designs, in order to ...
Pastorelli, Francesco (Date of defense: 2013-12-09)
In this century some of our main issues are energy shortage and pollution. This work will briefly describe these problems, proposing a plan of action combining energy saving and different sustainable ...
Yao, Can (Date of defense: 2014-06-25)
Disordered media with refractive index variations can be found in the atmosphere, the ocean, and in many materials or biological tissues. Several technologies that make use of such random media, as image ...
Mariano Juste, Marina (Date of defense: 2014-10-31)
Considering that the most abundant renewable energy source is the Sun, photovoltaic technology possesses one of the highest potentials to provide environmental benign and sustainable energy worldwide. ...
Kramarenko, Mariia (Date of defense: 2023-03-24)
(English) To mitigate the energy and climate crisis we are already facing and address the increasing energy consumption, it is essential to foster energy transition strategies. The energy transition ...
Ferreira, Catarina Gonçalves (Date of defense: 2023-09-27)
(English) To mitigate the present environmental crisis, caused by the excessive use of fossil fuels and associated release of carbon dioxide into the atmosphere, it is necessary to significantly reduce ...