Now showing items 73-92 of 100
Insignares, Cristina (Date of defense: 2015-11-13)
The main objective of this thesis is the development of Raman scattering based methodologies for the analysis of advanced electrodeposition-based CIGS technologies, with the identification and characterization of parameters ...
Berencén Ramírez, Yonder Antonio (Date of defense: 2014-10-23)
This thesis presents experimental work on developing rare-earth ions and Si nanostructures as a material platform for light emitting devices (LEDs) in the visible and near-infrared range. The realization of the different ...
Ramírez, Joan Manel (Date of defense: 2015-07-02)
This thesis presents the work carried out towards the implementation of RE-doped Si-based light emitting devices as integrated optoelectronic building blocks for Silicon Photonics. This work spans from the fundamentals ...
Daemitabalvandani, Maziyar (Date of defense: 2016-02-01)
Wireless sensor network is one of the most important topics in the current data transferring. In fact regarding to data gathering and transformation, cost effective is the top topic and optimum point, which every vendors ...
Li, Wenhua (Date of defense: 2013-10-01)
The high quality CuxS nanocrystals were synthesized (Chapter 3) and the profound understanding and skills to prepare colloidal nanocrystals has been obtained and improved. It revealed a very simple synthetic route not only ...
Pomareda Sesé, Victor (Date of defense: 2013-07-23)
Due to recent progress, higher-order chemical instrumentation provides large amounts of data which need automated processing in order to extract relevant information. In most cases, the raw signals or spectra are too complex ...
López Vidrier, Julià (Date of defense: 2015-07-16)
During the last decades, silicon nanocrystals have focused great attention due to the size-dependent physical properties they present, attributed to the quantum confinement effect. This, added to the bulk silicon compatibility ...
Peña Guédez, Luis Alejandro (Date of defense: 2014-04-24)
En esta memoria se recogen los resultados sobre preparación y caracterización de las propiedades físicas de sistemas magnéticos nanoestructurados. Para la fabricación de las nanoestructuras se han empleado dos estrategias ...
Fàbrega Gallego, Cristian (Date of defense: 2011-09-16)
La tesi s’engloba en un context energètic en el que les tendències actuals del subministrament i el consum d’energia són clarament insostenibles. No és exagerat dir que el futur de la prosperitat de la humanitat depèn de ...
Rossinyol Casals, Emma (Date of defense: 2008-01-31)
Aquest treball es va iniciar amb la intenció de millorar les propietats sensores d'alguns òxids metàl·lics tan a partir del control del creixement dels cristalls en el cas de capes fines, com en l'augment de la superfície ...
Sánchez González, Yudania (Date of defense: 2016-03-16)
En éste trabajo de Tesis se presentan los resultados más relevantes obtenidos en el desarrollo de capas buffer de CdS y de capas buffer libres de cadmio (sulfuro de indio y sulfuro de zinc) preparadas mediante la técnica ...
Udina Oliva, Sergi (Date of defense: 2012-07-13)
This PhD thesis introduces basic concepts of smart chemical sensors design, which are afterwards applied to a particular application: the analysis of natural gas. The thesis addresses thus two sets of objective, a first ...
Brufau Penella, Jordi (Date of defense: 2009-01-30)
This thesis focuses on the use of smart materials in microrobotic applications. The development of materials with the capabilities to mechanically respond to electrical stimuli or, at the same time, to electrically respond ...
Fan, Jiandong (Date of defense: 2013-07-19)
This dissertation has focused on three main topics: (1) Synthesis and characterization of ZnO:Cl NWs; (2) Hetero and homo nanostructures based on ZnO:Cl NWs for efficient PEC cells; (3) Photovoltaic performance of DSCs ...
Carreté, Àlex (Date of defense: 2015-05-29)
Thin film solar cells based on direct band gap semiconductors have attracted much research during last decades. Thin film technologies are currently commercial and display record power conversion efficiencies up to 20% at ...
Diéguez Barrientos, Àngel (Date of defense: 1999-09-29)
La investigación presentada está centrada en la mejora de sensores de gas conductométricos de Sn02. Se analizan sensores en capa gruesa y en capa delgada. En el primer caso, el polvo de Sn02 necesario para fabricar los ...
Zamani, Reza (Date of defense: 2013-11-04)
In this report novel materials for advanced applications are studied by means of the latest microscopy technologies and methodologies which have had a dramatic impact on progress of materials science. The aim was to study ...
Hortigüela Lázaro, Verónica (Date of defense: 2017-06-30)
Cells in tissues are exposed to extracellular signals that integrate and appropriately translate into specific responses. Receptors at the cell membrane recognize a variety of soluble ligands, extracellular matrix proteins ...
Sanmartí Espinal, Marta (Date of defense: 2015-01-15)
Natural vesicles produced from genetically engineered cells with tailored membrane receptor composition are promising building blocks for sensing biodevices. This is particularly true for the case of G-protein coupled ...
Gramse, Georg (Date of defense: 2012-06-19)
The objective of my thesis was to develop novel techniques and methods to probe the dielectric properties of biomembranes in air and their natural environment - liquid solution. The dielectric constant ε(r) of biomembranes ...