Departament d'Electrònica: Enviaments recents
Ara mostrant els elements 1-20 de 96
Development of cellular microarrays for stem cell culture and early stage differentiation evaluation
[spa] El desarrollo de microambientales artificiales ordenados en un formato de microarray (microarrays celulares, también conocidos en inglés como "cellular microarrays") se ha propuesto como una herramienta que permite ...
Vibrational properties of ZnO, group III-nitrides and dilute nitride alloys
[spa] Esta tesis consiste en el estudio de las propiedades vibracionales de materiales de interés para la fabricación de dispositivos optoelectrónicos, operando en distintos rangos espectrales, desde ultravioleta hasta el ...
Development of a compact NDIR spectometer based on MOEMS components for fruit ripening monitoring
[spa] Actualmente el control de la concentración de etileno en las cámaras de almacenamiento de fruta proporciona información de gran interés sobre su estado. Por un lado, la fruta produce pequeñas concentraciones de etileno ...
Structural analysis for the improvement of SnO(2) based gas sensors
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 ...
Suspended Micro/nanogenerators for cell stimulation
Our bodies are complex machines whose functioning depends on multiple electrical signals controlled mainly by the nervous system. Afterwards, it is not illogical to think that one day artificial electrical impulses would ...
New technologies and their characterisation for nanostructured SnO2 Gas sensor devices
La presente tesis se ha centrado en el desarrollo de nuevas tecnologías para el desarrollo de sensores de gas semiconductores. Por tal motivo se han desarrollado dos técnicas para el desarrollo de nanopartículas de ...
Modelling of the Chemical and Light Interactions in Individual Metal Oxide Nanowires for Sensing Applications
En la presente tesis se analizan desde el punto de vista de la modelización teórica los mecanismos de interacción de gases y luz con nanohilos individuales de óxidos metálicos. Desde este enfoque novedoso, se pretende ...
Electron Energy Loss Spectroscopy Solutions for Nanoscale Materials Science Problems
In the Transmission Electron Microscope (TEM), an incident electron suffers both elastic and inelastic scattering by the solid state thin sample that is being characterised. In the event of inelastic scattering, the incident ...
Integration of Si/Si-Ge nanostructures in micro-thermoelectric generators
Silicon and silicon-germanium nanostructures were grown, integrated, optimized and characterized for their application in thermoelectric generation. Specifically two kinds of nanostructures were worked: silicon and ...
Development of an advanced 3D culture system for human cardiac tissue engineering
Ischemic heart disease is a major cause of human death worldwide owing to the heart minimal ability to repair following injury. Other than heart transplantation, there are currently no effective or long-lasting therapies ...
Análisis dinámico de atmósferas con matrices de sensores mediante procesado de señal no-lineal
El presente trabajo se enmarca dentro de las tareas centradas en el campo de modelización y procesado de señal, desarrolladas en el Departament d’Electrònica de la Facultad de Física de la Universitat de Barcelona. En ...
Preparation of high efficiency Cu2ZnSn(S,Se)4solar cells based on a single-step sulfo-selenization process
Cu2ZnSn(S,Se)4 (CZTSSe) kesterite semiconductors have been proposed as a potential medium to long term replacement of Cu(In,Ga)(S,Se)2 (CIGS) chalcopyrites for sustainable cost-efficient thin film technologies compatible ...
Development of Cu2ZnSnSe4 Based Thin Film Solar Cells by PVD and Chemical Based Processes
Nowadays mono- and multicrystalline silicon have the highest market share of all PV technologies but thin film solar cells based on CdTe or Cu(In,Ga)Se2 (CIGS) absorbers recently show promising high power conversion ...
Compositional Engineering of Colloidal Nanoparticles for Energy Conversion
The main objective of this thesis focuses on compositional design and engineering colloidal NPs and their application in energy conversion. This principally included the synthesis and characterization of colloidal NPs, and ...
Nanoscale electrical characterization of biological matter at microwave frequencies
The microwaves electromagnetic properties, i.e. the complex permittivity, of single cells determine how this radiation is transmitted, reflected or absorbed by biological tissues. This information is important for the ...
Detecció d'estats inadequats per la conducció d'un vehicle a partir de la degradació del control dinàmic
Una de les principals causes d’accidents d’automòbil és l’estat inadequat del conductor. Diversos estudis situen entre el 16% i el 30% el nombre d'accidents de trànsit relacionats amb el cansament, fatiga, somnolència i ...
Síntesis química de capas buffer para nuevas tecnologías de calcogenuros con aplicaciones fotovoltaicas
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 ...
Wideband pulse amplifiers for the integrated cameras of the Cherenkov Telescope Array
One type of photon detector is the photomultiplier tube (or PMT), most commonly used in Imaging Atmospheric Cherenkov Telescopes (IACTs). A PMT has a photoelectric cathode that absorbs light and emits an electron. A PMT ...
Bioimpedance monitoring system for pervasive biomedical applications
Nowadays, Point-of-Care (PoC) are making a shifting of the classical medical procedures and treatment protocols, enhancing the performance of medical surveillance in all the world. It is a reliable and very cost-effective ...
Routing algorithms for wireless sensor : networks based on the duty cycle of its components
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 ...
