Universitat de Barcelona
Now showing items 1-20 of 82
This thesis has been primarily dedicated to the exploration and implementation of new computational analysis tools and techniques for the characterisation of nanomaterials and devices via transmission electron microscopy ...
The main objective of this thesis was to develop high efficiency thin film solar cells based on low-toxic and earth-abundant kesterite Cu2ZnSnSe4 (CZTSe) absorbers through the implementation of innovative doping strategies. ...
Nowadays, our modern society huge challenges related to energy, savings as well as energy management, to improve and extend the standard of living to a growin population over 7000 million people, and do it with sustainable ...
Sembla obligat començar fent referència a les raons teòriques i experimentals que ens fan creure en la Cromodinàmica Quàntica com en la Teoria de Camps adient a la descripció del mon hadrònic. Per a creure en una teoria ...
El estudio de la dinámica de un sistema físico macroscópico mediante sus ecuaciones microscópicas del movimiento tiene un interés innegable, pero posee también unas limitaciones muy poderosas. En primer lugar no siempre ...
This thesis focuses on different aspects of NCs colloidal synthesis, the exploration of the relevant surface chemistries that afford NC assembly and the NC implementation into porous nanomaterials. The work is divided ...
Color-based sensor devices often offer qualitative solutions, where a material change its color from one color to another, and this is change is observed by a user who performs a manual reading. These materials change their ...
The main subject of this work focuses on the development of advanced technological strategies for bandgap profile engineering on Earth-abundant and eco-friendly kesterite thin film solar cells which potentially optimize ...
Zebrafish heart regeneration remains one of the most interesting phenomena of the 21st century. Considering the extremely high rate of deaths due to cardiovascular diseases in the developed countries, 1 out of every 3 ...
In this thesis, single-molecule experiments using LOT are employed to extract accurate information about the thermodynamics and kinetics of various molecular systems, with special emphasis on the elastic properties of ...
In this thesis, it is detailed the bottom-up production and characterization of thermoelectric (TE) nanomaterials with significant enhanced performance by using colloidal nanocrystals (NCs) as building blocks. The production ...
Recently lepton flavor universality tests in colliders have reported tensions with the Standard Model, providing an experimental hint at low energies of the effect of a new high energy theory. These tensions are known as ...
The transformation of the current energy model towards a more sustainable mix, independent of fossil fuels, requires the exploration of new technologies that are capable of taking advantage of excess electricity derived ...
Injuries and conditions of musculoskeletal tissues are among the main causes of disability worldwide and there is a wide need for improved regenerative therapies. In vitro platforms and biomaterials that aim to guide stem ...
Dielectrics are insulating materials used in many different electronic devices (e.g. capacitors, transistors, barristors), and play an important role in all of them. In fact, the dielectric is probably the most critical ...
In order to mitigate the climate change effects, the world is undergoing an energy transition from polluting sources towards renewable energies. This transition is turning the electricity system more dependent on atmospheric ...
Metal phosphides are an important class of functional materials that exhibit a wide range of applications for energy storage and conversion. However, the synthesis of metal phosphide nanoparticles and its scalability is ...
The main goal of this thesis has been to apply in-situ Transmission Electron Microscopy (TEM) electrical measurements using a Scanning Tunneling Microscopy (STM) tip, combined with TEM imaging and spectroscopic techniques, ...
The direct manipulation of spin currents with no charges involved along with the delicate interplay between charge, spin and orbital degrees of freedom in materials and structures has attracted a renewed interest in the ...
Els treballs realitzats en aquesta tesi doctoral s’han dirigit cap al desenvolupament, optimització i regeneració dels sensors d’oxigen per a la detecció d’humitat en entorns d’alta temperatura per acomplir amb un objectiu ...
