Now showing items 1-20 of 24

    • A study of the degradation of organic solar cells 

      Azzouzi, Mohammed (Universitat Politècnica de Catalunya / Universitat de Barcelona, 2016-05-20)
      Master thesis
      Open Access
      The 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 

      Fernández Infante, Joan (Universitat Politècnica de Catalunya, 2016-01)
      Master thesis (pre-Bologna period)
      Open Access
      This project deals with manufacture and analysis by electrical characterization of organic thin film transistors.
    • Characterization of alternative carrier selective materials and their application to heterojunction solar cells 

      Gerling Sarabia, Luis Guillermo (Universitat Politècnica de Catalunya, 2017-11-15)
      Doctoral thesis
      Open Access
      Crystalline 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 

      Fernández López, Naiara (Universitat Politècnica de Catalunya, 2020-06-29)
      Bachelor thesis
      Open Access
      Photovoltaic 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 ...
    • Crystalline silicon Heterojunction solar cells 

      Pascual Sánchez, Denís (Universitat Politècnica de Catalunya, 2015-06-30)
      Bachelor thesis
      Open Access
      This 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 

      Roset i Julià, Laura (Universitat Politècnica de Catalunya, 2019-07-12)
      Bachelor thesis
      Open Access
      Covenantee:   École polytechnique fédérale de Lausanne
      Esta 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 

      Lungu, Alexandru-Andrei (Universitat Politècnica de Catalunya, 2014-09-28)
      Bachelor thesis
      Open Access
      Covenantee:   Universität Stuttgart
      This 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 

      Ros Costals, Eloi (Universitat Politècnica de Catalunya, 2017-06)
      Bachelor thesis
      Open Access
      Dielectric/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 

      Xie, Tian (Universitat Politècnica de Catalunya, 2012-09)
      Master thesis
      Restricted access - author's decision
      Cu(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 ...
    • Fabricación de un transistor orgánico utilizando CuPc como semiconductor 

      Caracciolo, Concettina (Universitat Politècnica de Catalunya, 2009-04-28)
      Master thesis (pre-Bologna period)
      Open Access
    • Fabrication and characterization of organic solar cells 

      Maulidiani, Siti Winny Adya (Universitat Politècnica de Catalunya, 2013-09-06)
      Master thesis (pre-Bologna period)
      Open Access
      [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 

      Ayele Birhanu, Mulugeta (Universitat Politècnica de Catalunya, 2013-07)
      Master thesis
      Open Access
      With 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 thin-film transistors with organic heterostructure of pentacene and PTCDI-C13 

      Tilman, Jérôme (Universitat Politècnica de Catalunya, 2010-06-28)
      Master thesis (pre-Bologna period)
      Open Access
      This 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 ...
    • Fabrication and charaterization of a GeSn single-photon avalanche photodetector for IR detection 

      Jamet Suria, Paul (Universitat Politècnica de Catalunya, 2020-06-29)
      Bachelor thesis
      Restricted access - confidentiality agreement
    • Fabrication and determination of performance parameters of a pyrene-based organic thin-film transistor 

      Amell, Adrià; Martí, Dídac; Morales, Juan Carlos (Universitat Politècnica de Catalunya, 2015)
      Coursework
      Open Access
      Organic semiconductors broaden the applications of thin-film transistors, as a flexible substrate can be used. Hence, many organic semiconductors are being studied in the search for high-mobility organic semiconductors. ...
    • Fabrication, characterisation and modelling of nanocrystalline silicon thin-film transistors obtained by hot-wire chemical vapour deposition. 

      Dosev, Dosi Konstantinov (Universitat Politècnica de Catalunya, 2003-03-31)
      Doctoral thesis
      Open Access
      Hot-wire chemical vapour deposition (HWCVD) is a promising technique that permits polycrystalline silicon films with grain size of nanometers to be obtained at high deposition rates and low substrate temperatures. This ...
    • Implementación de un sistema de validación automático HiL para dispositivos infotainment en automoción 

      Jiménez Romero, Antonio (Universitat Politècnica de Catalunya, 2012-05-29)
      Master thesis (pre-Bologna period)
      Open Access
      El objetivo de este proyecto es implementar un sistema que automatice la verificación de los dispositivos de infotainment tanto en el Centro Técnico de SEAT (CTS) como de los nuevos dispositivos surgidos del Proyecto MARTA, ...
    • Organic solar cells 

      Monge Villora, Oscar; Thomas Parley, Jack; Ribera Manzano, Pablo (Universitat Politècnica de Catalunya, 2015-05-29)
      Coursework
      Open Access
    • Performance analysis of utility-scale solar PV power plant from SCADA Data 

      Langlais-roy, Tomas (Universitat Politècnica de Catalunya, 2019-07-19)
      Master thesis
      Restricted access - author's decision
      The subject of this Master Thesis is to analyze the performance of utility scale solar power plants using SCADA data transmitted from the different components of a plant. This thesis as done while doing an internship at ...
    • Solution Processed Organic Solar Cells: Fabrication and Laser Structuring 

      Salehin, Sayedus (Universitat Politècnica de Catalunya, 2012-09)
      Master thesis
      Restricted access - author's decision
      crisis present in the world. solution processing of such devices allows large scale production using roll-to-roll process and similar fabrication processes. Lasers can be used for selective ablation of different layer ...