Ara es mostren els items 1-13 de 13

    • Charge carrier dynamics and interfaces in perovskite solar cells 

      Rueda Delgado, Diana Paola (Universitat Politècnica de Catalunya, 2019-07-30)
      Tesi
      Accés obert
      Realitzat a/amb:   Karlsruher Institut für Technologie
      Organometal halide perovskites for solar cells are hybrid semiconductors that recently have caught the attention of the scientific community due to its excellent performance and attractive optical properties. Since then, ...
    • Copper indium sulfide colloidal quantum dot solar cells 

      So, David (Universitat Politècnica de Catalunya, 2016-10-19)
      Tesi
      Accés obert
      The ubiquity of solar energy conversion technology is an exciting target which we aspire for in this century. Colloidal quantum dot (CQD) solar cells are an attractive platform, being low-cost and allowing facile control ...
    • Eco-friendly solar cells with cation-engineered AgBiS2 nanocrystals 

      Wang, Yongjie (Universitat Politècnica de Catalunya, 2023-02-23)
      Tesi
      Accés obert
      (English) Climate change and global energy demand urge the development of renewable energy sources for worldwide power supply. Photovoltaic devices that convert solar energy directly into electricity are the most promising, ...
    • Environmentally friendly nanocrystals synthesized and processed in ambient conditions for solution-processed solar cells 

      Akgul, M. Zafer (Universitat Politècnica de Catalunya, 2021-02-11)
      Tesi
      Accés obert
      Due to the continuously increasing energy demand and the environmental concerns about climate changes raised by international community, alternative energy resources have been put under intense investigation for the past ...
    • Environmentally-friendly perovskite nanocrystals based on titanium and tin 

      Liga, Shanti Maria (Universitat Politècnica de Catalunya, 2023-03-22)
      Tesi
      Accés obert
      (English) The availability of energy is a fundamental ingredient for the development of society. However, the intense consumption of fossil fuels as an energy resource since the second industrial revolution has caused a ...
    • Further into the infrared with quantum dot photodetectors 

      Özdemir, Onur (Universitat Politècnica de Catalunya, 2022-02-04)
      Tesi
      Accés obert
      In the infrared, photodetectors are the key components in a wide-variety of applications such as thermal imaging, remote sensing, spectroscopy with newer technologies added to the list such as LiDaR and deep tissue imaging. ...
    • Inorganic solar cells based on environmentally friendly nanocrystals 

      Xercavins Torregrosa, Guillem (Universitat Politècnica de Catalunya, 2014-12)
      Projecte/Treball Final de Carrera
      Accés restringit per decisió de l'autor
      [ANGLÈS] Photovoltaic energy provides a paramount solution capable of meeting all clean energy demands. Solar cells based on inorganic nanoparticles are a hot topic for research due to their potential to harness solar ...
    • N-type bismuth sulfide coloidal nanocrystals and their application to solution-processed photovoltaic devices 

      Martínez Montblanch, Luis (Universitat Politècnica de Catalunya, 2014-10-31)
      Tesi
      Accés obert
      Durante las últimas décadas, la energía solar fotovoltaica se ha convertido en una tecnología de creciente importancia para satisfacer las necesidades energéticas actuales sin sacrificar las futuras generaciones. Las células ...
    • Photodetectors based on low-dimensional materials and hybrid systems 

      Kuffer, Dominik (Universitat Politècnica de Catalunya, 2016-06-13)
      Tesi
      Accés obert
      In the last decade, two-dimensional (2D) materials have attracted attention both in the nascent field of flexible nanotechnology as well as in more conventional semiconductor technol-ogies. Within the rapidly expanding ...
    • Plasmonic hot-carrier optoelectronics 

      García de Arquer, Francisco Pelayo (Universitat Politècnica de Catalunya, 2015-02-18)
      Tesi
      Accés obert
      The detection of light is of central importance in both fundamental science and applied technology. Photodetectors, which aim at transducing optical stimulus into measurable electrical signals, are ubiquitous to modern ...
    • Plasmonically enhanced absorption in colloidal metal/semiconductor nanocomposites 

      García de Arquer, Francisco Pelayo (Universitat Politècnica de Catalunya, 2010-09-09)
      Projecte Final de Màster Oficial
      Accés obert
      Colloidal Quantum Dots (CQDs) are the route for low cost high eficiency photodetectors. Photoconductors are limited by the noise arising from high dark current densities, what is typically overcome reducing device's ...
    • Solution-processed quantum dot infrared lasers 

      Taghipour, Nima (Universitat Politècnica de Catalunya, 2023-03-21)
      Tesi
      Accés obert
      (English) Colloidal semiconductors quantum dots (CQDs) have emerged as a promising solutionprocessed gain material that can be engineered via low-cost and scalable chemical techniques. Owing to quantum confinement, their ...
    • ZnO/PbS quantum dot photovoltaics for heterojunction and bulk nano-heterojunction architectures 

      Chouhan, Ariana (Universitat Politècnica de Catalunya, 2012-09-06)
      Projecte Final de Màster Oficial
      Accés obert
      [ANGLÈS] Recent work based on photovoltaic heterojunction devices consisting of n-type ZnO and p-type PbS is developed. We demonstrate that the PbS/metal electrode interface does not necessarily form a Shottky barrier which ...