Departament d'Electrònica: Recent submissions
Now showing items 21-40 of 100
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 ...
Efectes de la il·luminació sobre els òxids metàl·lics: aplicacions a sensors de gasos i fotoreducció de CO₂
La interacció de la llum amb els òxids metàl.lics (MOX's) semiconductors, sempre i quan l'energia dels fotons sigui superior a l'amplada de la banda prohibida, produeix un increment significatiu de la densitat de portadors ...
Advanced TEM imaging tools for materials science
Being able to directly relate the final properties with the intimate structure provides a unique insight into the functionality of materials and devices, especially when compared to the necessarily statistical nature of ...
Understanding the role of sensor diversity and redundancy to encode for chemical information in gas sensor arrays
Electronic noses (e-noses) have been utilized during the past three decades as general purpose instruments for chemical sensing. These instruments are inspired by natural olfactory systems, where fine odour discrimination ...
Crystalline and vibrational properties of kesterites
The main objective of this thesis is to deepen the knowledge of fundamental properties of kesterite materials (Cu2ZnSnS4 and Cu2ZnSnSe4) and their solid solutions Cu2ZnSn(S,Se)4, which are used as absorber layers in solar ...
Bioimpedance & dielectrophoresis instrumentation equipments for living cells manipulation and monitoring
Since the first microfluidic device was developed in the early 1950s, when the basics for today’s inkjet technology were set, thousands of publications have appeared related to the topic. The increasing interest on these ...
Development of a nano sensor for direct-electric free-label detection of DNA’s hybridization and single nucleotide polymorphism
The search for analytical tools suitable for wide-scale application of DNA analysis is an hot research topic, although thanks to well-established microarray based technology, analysis of DNA sequences and SNP detection can ...
Raman scattering based strategies for assessment of advanced chalcopyrite photovoltaic technologies: Characterisation of electrodeposited Cu(In,Ga)(S,Se)2 solar cells
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 ...
Integrating nanoionics concepts in micro solid oxide fuel cells
Fuel cells are one of the promising technology at present to meet the growing demand of clean energy and technology. Among the different varieties of fuel cells, Solid Oxide Fuel Cell (SOFC) research is advancing towards ...
Multivariate Signal Processing for Quantitative and Qualitative Analysis of Ion Mobility Spectrometry data, applied to Biomedical Applications and Food Related Applications
There are several applications where the measurement of VOC results to be useful, such as: toxic leaks, air quality measurements, explosive detection, monitoring of food and beverages quality, diagnosis of diseases, etc. ...
Quantitative methods for electron energy loss spectroscopy
This thesis explores the analytical capabilities of low-loss electron energy loss spectroscopy (EELS), applied to disentangle the intimate configuration of advanced semiconductor heterostructures. Modern aberration corrected ...
Phonons in III-nitride thinfilms, bulk and nanowires: a closer look into InN vibrational properties
This thesis is devoted to the study of the interactions of phonons in indium nitride (InN) and materials of the (In,Ga)N system with wurtzite structure. For this purpose, we present Raman spectroscopy on nanowires (NWs), ...
Detection of Transcription Factor Binding Sites by Means of Multivariate Signal Processing Techniques
Gene expression is a complex and highly regulated process. Most of the regulation is controlled by short DNA sequences that can be bound by some proteins called transcription factors (TF). Binding to these sites, the ...
Silicon Nanocrystal Superlattices for Light-Emitting and Photovoltaic Devices
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 ...
Functional Nanomaterials from the Bottom-up Assembly of Colloidal Nanoparticles. A Strategy Towards Efficient Thermoelectrics
The work developed during this PhD has embraced several topics that I divide in three blocks. Each block contains two chapters in this dissertation. Additionally, a general introduction of the different topics is provided ...
Rare Earth-Doped Silicon-Based Light Emitting Devices: Towards new Integrated Photonic Building Blocks
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 ...
Solution-Processing of Chalcogenide Nanoparticles and Thin Films for Photovoltaic Applications
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 ...
Electron transport in low-dimensional systems: optoelectronic device simulations
The main topic of this thesis is the theoretical and computational investigation of the opto-electronic properties of large arrays of semiconductor quantum dots embedded in an insulator matrix. For that purpose, an electronic ...
Fabrication of (bio)molecular patterns with contact printing techniques
Patterns are a collection of forming units predictably repeated over a defined magnitude. Researchers have used patterns to guarantee the functionality and repeatability of their study. For that, the obtained data is ...
