Now showing items 1-7 of 7

    • Charge carrier dynamics and interfaces in perovskite solar cells 

      Rueda Delgado, Diana Paola (Universitat Politècnica de Catalunya, 2019-07-30)
      Doctoral thesis
      Open Access
      Covenantee:   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, ...
    • Detection of graphene motion through light-matter interactions 

      Schädler, Kevin Gerd (Universitat Politècnica de Catalunya, 2012-09-06)
      Master thesis
      Open Access
      [ANGLÈS] In this thesis, we study both experimentally and theoretically the optical detection of the motion of graphene membranes based on fluorescence quenching of the emitters close to graphene. Fluorescence quenching ...
    • Double resonant character in an optical cavity for high performance and stable polymer solar cells 

      Liu, Quan (Universitat Politècnica de Catalunya, 2018-03-23)
      Doctoral thesis
      Open Access
      Covenantee:   Karlsruher Institut für Technologie
      Solution-processed thin film solar cells emerged as very promising photovoltaic technologies suitable for a low cost roll-to-roll upscale production. Such thin film character also ensures lightweight and flexibility for ...
    • Micro and nanophotonic structures in the visible and near infrared spectral for optical devices 

      Nghiem, Xuan Tan (Universitat Politècnica de Catalunya / Universitat Autònoma de Barcelona, 2013-09-10)
      Master thesis
      Open Access
      [ANGLÈS] This thesis present the simulation program for 1D photonic crystals and fabrication process of nano-structured optical devices based on porous silicon layers prepared by electrochemical etching method and the ...
    • Multiple beam interferometry on a CMOS for optical sensing 

      Statsenko, Tatiana (Universitat Politècnica de Catalunya, 2013-09-10)
      Master thesis
      Open Access
      Covenantee:   Universitat Autònoma de Barcelona / Universitat de Barcelona
      [ANGLÈS] The project is dedicated to the development of a compact shearing interferometric optical sensor for biological applications. The main goal is the implementation of a patented optical device based on polarization ...
    • Plasmonically enhanced light absorption in graphene nanoribbons 

      Woessner, Achim (Universitat Politècnica de Catalunya, 2012-09-06)
      Master thesis
      Open Access
      [ANGLÈS] Light absorption plays a crucial role in both optical detectors and photovoltaics. In order to improve the light absorption properties of materials different measures can be taken. This thesis considers light ...
    • Sensitivity Matrix Implementation in the Monte Carlo Package MBioICFO for the Simulation of Photon Migration in Tissues 

      Gerdes, Niklas (Universitat Politècnica de Catalunya, 2015-10-23)
      Master thesis
      Open Access
      An extension of the Monte Carlo method in diffuse optics was developed. Diffuse optical technology measures light absorption and scattering in human tissue. A sensitivity matrix has to be constructed to obtain structural ...