Exploració per altres contribucions "Puigdollers i González, Joaquim"
Ara es mostren els items 1-20 de 36
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A study of the degradation of organic solar cells
(Universitat Politècnica de Catalunya / Universitat de Barcelona, 2016-05-20)
Projecte Final de Màster Oficial
Accés obertThe field of small molecule solar cells has incredibly developed during the last decade. In fact, their efficiency increased from 3% in 2005 to 13% in 2016. However, they still face a major problem of stability: these cells ... -
Caracterització de transistors orgànics de capa fina
(Universitat Politècnica de Catalunya, 2016-01)
Projecte/Treball Final de Carrera
Accés obertThis project deals with manufacture and analysis by electrical characterization of organic thin film transistors. -
Carrier selective contact characterization using work function bender buffer layers
(Universitat Politècnica de Catalunya, 2022-06)
Treball Final de Grau
Accés obert2D materials emerge with a promising future for optoelectronics. First reported in 2011, MXenes have excellent properties such as metallic-like conductivity and high transmittance, thus, they can be used as transparent ... -
Characterization of alternative carrier selective materials and their application to heterojunction solar cells
(Universitat Politècnica de Catalunya, 2017-11-15)
Tesi
Accés obertCrystalline silicon (c-Si) solar cells can be considered a highly industrialized and mature product with a record conversion efficiency of 26.6%, not far from the practical limit of 29.4% (for single p/n junction devices). ... -
Contactos selectivos con una capa dipolar de Histidine para células solares
(Universitat Politècnica de Catalunya, 2020-06-29)
Treball Final de Grau
Accés obertPhotovoltaic energies are essential for a transition from the current energy model towards one more sustainable and efficient. Today, pn junction technology dominates the world market, breaking records of efficiency and ... -
Contactos selectivos de portadores basados en óxidos metálicos de transición para células solares de kesterita
(Universitat Politècnica de Catalunya, 2023-06-29)
Tesi
Accés obert(English) In recent years, there has been an increasing need to find an environmentally friendly and low-pollution alternative for electricity production through solar energy absorption. Since 1950, photovoltaic researchers ... -
Crystalline silicon Heterojunction solar cells
(Universitat Politècnica de Catalunya, 2015-06-30)
Treball Final de Grau
Accés obertThis work is a slight research on silicon heterojunction solar cells which have been of great interest recently. The aim is to span fabrication, characterization and simulation and to reach a broad but shallow knowledge ... -
Development of a setup to measure photoconductivity of GeSn
(Universitat Politècnica de Catalunya, 2019-07-12)
Treball Final de Grau
Accés obert
Realitzat a/amb: École polytechnique fédérale de LausanneEsta tesis se focaliza en el diseño y desarrollo de un equipo para mesurar la fotoconductividad del GeSn. El equipo consiste en una lámpara de halógeno y tungsteno, un monocromador, un espejo parabólico y un circuito óptico ... -
Development of Vapor Deposition Processes for OLEDs
(Universitat Politècnica de Catalunya, 2014-09-28)
Treball Final de Grau
Accés obert
Realitzat a/amb: Universität StuttgartThis bachelor thesis describes the development of vapour deposition processes for the creation of a warm white OLED. An OLED is a layer or a stack of organic materials situated between two electrodes, which emits light ... -
Dielectric metal dielectric antireflection plasmonic layers
(Universitat Politècnica de Catalunya, 2017-06)
Treball Final de Grau
Accés obertDielectric/Metal/Dielectric structures using Transition Metal Oxides (TMOs) as a dielectric layer and very thin-film layers of metal will be fabricated and their opto-electrical properties evaluated. In particular, ... -
Electrical characterization of CIGS solar cells
(Universitat Politècnica de Catalunya, 2012-09)
Projecte Final de Màster Oficial
Accés restringit per decisió de l'autorCu(In,Ga)Se2-based thin-film solar cells are one of the most promising photovoltaic technologies nowadays. Despite significant improvements to the performance of Cu(In,Ga)Se2 (CIGS) in recent decades, the electrical ... -
Enhanced photocatalytic hydrogen production through the use of selective contacts
(Universitat Politècnica de Catalunya, 2023-10-12)
Projecte Final de Màster Oficial
Accés obert
Realitzat a/amb: Grup de recerca en Nanoenginyeria de materials aplicats a l'energia (NEMEN)The uncontrolled and increasing greenhouse gas emissions to the atmosphere, and the continuous alerts from the scientific community about the potential unprecedented and utterly negative impacts global warming could lead ... -
EV Charger Integration with a Solar PV System: Techno-Economic Analysis of Different Scenarios for Single-Family House Case
(Universitat Politècnica de Catalunya, 2022-06-09)
Projecte Final de Màster Oficial
Accés obertThis thesis shows the most cost-efficient smart EV charging solutions for a single-family home charged with Solar PV, a pollution-free energy source. Two main topologies will be compared with two different solar system ... -
Exploring innovative strategies for the synthesis of high efficiency kesterite-based solar cells
(Universitat Politècnica de Catalunya, 2021-07-19)
Projecte Final de Màster Oficial
Accés restringit per acord de confidencialitat -
Exploring the development of CZGSe-based solar cells for advanced photovoltaic tandem applications
(Universitat Politècnica de Catalunya, 2022-07-26)
Projecte Final de Màster Oficial
Accés obertThis work aims to explore and identify the most relevant parameters for the development of Cu2ZnGeSe4 (CZGSe)-based solar cells for advanced photovoltaic tandem applications. The main purpose of the study is the synthesis ... -
Fabricación de un transistor orgánico utilizando CuPc como semiconductor
(Universitat Politècnica de Catalunya, 2009-04-28)
Projecte/Treball Final de Carrera
Accés obert -
Fabrication and characterization of organic solar cells
(Universitat Politècnica de Catalunya, 2013-09-06)
Projecte/Treball Final de Carrera
Accés obert[ANGLÈS] Increasing total population in the world is leading to increase demand of energy. On the other hand, the availability of fossil fuels is limited. In order to solve the energy crisis, renewable energy especially ... -
Fabrication and Characterization of Small Molecule Organic Solar Cells
(Universitat Politècnica de Catalunya, 2013-07)
Projecte Final de Màster Oficial
Accés obertWith increasing price of natural gas and petroleum products and their environmental concerns, alternative energy sources are required i.e. renewable energy sources. Solar energy is the abundant form of renewable energy. ... -
Fabrication and characterization of small molecule organic solar cells
(Universitat Politècnica de Catalunya, 2013-02-01)
Projecte Final de Màster Oficial
Accés restringit per decisió de l'autorDurant l'última dècada, les cèl·lules solars orgàniques han atret molt l’atenció pel seu potencial com dispositius d'energia renovables degut al seu baix cost, flexibilitat i possibilitat de realitzar dispositius en grans ... -
Fabrication and characterization of thin-film transistors with organic heterostructure of pentacene and PTCDI-C13
(Universitat Politècnica de Catalunya, 2010-06-28)
Projecte/Treball Final de Carrera
Accés obertThis final thesis aims to advance research on the use of organic materials to produce devices such as OTFTs (Organic Thin-Film Transistors) or solar cells. Therefore, several OTFTs were performed to investigate the behavior ...