Ara es mostren els items 1-16 de 16

  • A study of the degradation of organic solar cells 

    Azzouzi, Mohammed (Universitat Politècnica de Catalunya / Universitat de Barcelona, 2016-05-20)
    Projecte Final de Màster Oficial
    Accés obert
    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)
    Projecte/Treball Final de Carrera
    Accés obert
    This project deals with manufacture and analysis by electrical characterization of organic thin film transistors.
  • Crystalline silicon Heterojunction solar cells 

    Pascual Sánchez, Denís (Universitat Politècnica de Catalunya, 2015-06-30)
    Treball Final de Grau
    Accés obert
    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 Vapor Deposition Processes for OLEDs 

    Lungu, Alexandru-Andrei (Universitat Politècnica de Catalunya, 2014-09-28)
    Treball Final de Grau
    Accés obert
    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)
    Treball Final de Grau
    Accés obert
    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)
    Projecte Final de Màster Oficial
    Accés restringit per decisió de l'autor
    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)
    Projecte/Treball Final de Carrera
    Accés obert
  • Fabrication and characterization of organic solar cells 

    Maulidiani, Siti Winny Adya (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 

    Ayele Birhanu, Mulugeta (Universitat Politècnica de Catalunya, 2013-07)
    Projecte Final de Màster Oficial
    Accés obert
    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)
    Projecte/Treball Final de Carrera
    Accés obert
    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, 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)
    Tesi
    Accés obert
    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)
    Projecte/Treball Final de Carrera
    Accés obert
    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, ...
  • Solution Processed Organic Solar Cells: Fabrication and Laser Structuring 

    Salehin, Sayedus (Universitat Politècnica de Catalunya, 2012-09)
    Projecte Final de Màster Oficial
    Accés restringit per decisió de l'autor
    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 ...
  • Studies on organic solar cells based on small-molecules : tetraphenyldibenzoperiflanthene and fullerene C70 

    Galindo Lorente, Sergi (Universitat Politècnica de Catalunya, 2015-11-18)
    Tesi
    Accés obert
    This work deals with the research on organic solar cells based on small-molecules semiconductors. In particular, organic solar cells of this thesis have been used tetraphenyldibenzoperiflanthene as donor material and ...
  • Study about the performance of Small Molecule Organic Solar Cells, Fabricated Based on Bulk-Hetrojunction and PIN-Structures 

    Ahmadpour Sayyar, Mehrad (Universitat Politècnica de Catalunya, 2013-11-22)
    Projecte Final de Màster Oficial
    Accés obert
    [ANGLÈS] Organic solar cells have the potential to provide low-cost photovoltaic devices as a clean and renewable energy resource. In this thesis, we focus on understanding the energy conversion process in organic solar ...
  • The solar cell efficiency improvement with the organic concentrator 

    Vasic, Bojana (Universitat Politècnica de Catalunya, 2011-09-08)
    Projecte Final de Màster Oficial
    Accés obert
    English: The Organic Concentrator is considered one of the most efficient methods in attempt to provide lower costs of solar cells and photovoltaic power. In this experiment, our main goal was to improve the initial ...