Now showing items 1-12 of 12

  • Analysis of the dynamic short-circuit resistance in organic bulk-heterojunction solar cells: relation to the charge carrier collection efficiency 

    Voz Sánchez, Cristóbal; Puigdollers i González, Joaquim; Asensi López, José Miguel; Galindo Lorente, Sergi; Cheylan, S.; Pacios, R.; Ortega Villasclaras, Pablo Rafael; Alcubilla González, Ramón (2013-06)
    Article
    Restricted access - publisher's policy
    This work studies the charge carrier collection efficiency in organic bulk-heterojunction solar cells based on polymer:fullerene blends. An equivalent circuit with a specific recombination term is proposed to describe the ...
  • A rapid, low-cost, and scalable technique for printing state-of-the-art organic field-effcet transistors 

    Temiño, Inés; Del Pozo León, Freddy; Ajayakumar, M.R.; Galindo Lorente, Sergi; Puigdollers i González, Joaquim; Mas Torrent, Marta (2016-06-13)
    Article
    Open Access
    In the last few years exciting advances have been achieved in developing printing techniques for organic semiconductors, and impressive mobility values have been reported for the resulting organic field-effect transistors ...
  • Compositional influence on the electrical performance of zinc indium tin oxide transparent thin-film transistors 

    Marsal Vinade, Albert; Carreras Seguí, Paz; Puigdollers i González, Joaquim; Voz Sánchez, Cristóbal; Galindo Lorente, Sergi; Alcubilla González, Ramón; Bertomeu Balaguero, Joan; Antony, Aldrin (2014-03-31)
    Article
    Restricted access - publisher's policy
    In this work, zinc indium tin oxide layers with different compositions are used as the active layer of thin film transistors. This multicomponent transparent conductive oxide is gaining great interest due to its reduced ...
  • Diseño de la puesta en paralelo para inversores de potencia monofásicos controlados con DSP 

    Galindo Lorente, Sergi (Universitat Politècnica de Catalunya, 2009-06)
    Master thesis (pre-Bologna period)
    Restricted access - author's decision
    El presente proyecto realiza un estudio y analisis sobre distintos métodos para la implementación de la paralelización de inversores monofásicos. Los métodos planteados para el estudio han sido la comunicación mediante ...
  • Influence of exciton blocking layer in small molecule organic solar cells 

    Galindo Lorente, Sergi; Ahmadpour Sayyar, Mehrad; Marsal Garvi, Luis Francisco; Vikas, L. S.; Voz Sánchez, Cristóbal; Puigdollers i González, Joaquim (Institute of Electrical and Electronics Engineers (IEEE), 2013)
    Conference report
    Restricted access - publisher's policy
  • Influence of the density of states on the open-circuit voltage in small-molecule solar cells 

    Galindo Lorente, Sergi; Ahmadpour Sayyar, Mehrad; Guerling, Luis Guillermo; Marsal Vinade, Albert; Voz Sánchez, Cristóbal; Alcubilla González, Ramón; Puigdollers i González, Joaquim (2014-10-01)
    Article
    Restricted access - publisher's policy
    Open-circuit voltages are strongly dependent on the density-of-states in solar cells based on disordered semiconductors. In this work, organic solar cells based on tetraphenyldibenzoperiflanthene and fullerene C-70 with a ...
  • Large Stokes shift downshifting Eu(III) films as efficiency enhancing UV blocking layers for dye sensitized solar cells 

    Kennedy, M.; Ahmed, H.; Doran, J.; Norton, B.; Daren, S.; Galindo Lorente, Sergi; Voz Sánchez, Cristóbal; Puigdollers i González, Joaquim (2015-01-01)
    Article
    Open Access
    Large Stokes shift downshifting organolanthanide complex, Eu(tta)(3)phen, is examined for inclusion in polymeric layers to replace the UV blocking layer in dye sensitized solar cell (DSSC) technology. The UV blocking layer ...
  • Lumogen violet dye as luminiscent down-shifting layer for C-silicon solar cells 

    Ahmed, H.; Kennedy, M.; Confrey, T.; Doran, J.; McCormack, S.J.; Galindo Lorente, Sergi; Voz Sánchez, Cristóbal; Puigdollers i González, Joaquim (2012)
    Conference lecture
    Restricted access - publisher's policy
    In this investigation Naphtalimide based Lumogen Violet organic dye [BASF] is characterized for inclusion in luminescent downshifting (LDS) layers. A PV device made up of an LDS layer of Lumogen Violet deposited on top ...
  • Model for the charge carrier collection in organic small-molecule solar cells 

    Galindo Lorente, Sergi; Ahmadpour Sayyar, Mehrad; Voz Sánchez, Cristóbal; Asensi, J.M.; Puigdollers i González, Joaquim; Alcubilla González, Ramón (2013)
    Conference lecture
    Restricted access - publisher's policy
  • Straightforward determination of the effective mobility-lifetime product of small molecule organic solar cells 

    Gerling Sarabia, Luis Guillermo; Mahato, S; Galindo Lorente, Sergi; Voz Sánchez, Cristóbal; Puigdollers i González, Joaquim; Alcubilla González, Ramón; Asensi, J.M. (Institute of Electrical and Electronics Engineers (IEEE), 2015)
    Conference report
    Restricted access - publisher's policy
    The effective mobility-lifetime product, a figure of merit for charge carrier transport in a photovoltaic device, was determined for small-molecule bulk heterojunction organic solar cells by means of a simplified methodology ...
  • Straightforward determination of the effective mobility-lifetime products of small molecule organic solar cells 

    Gerling Sarabia, Luis Guillermo; Mahato, S; Galindo Lorente, Sergi; Voz Sánchez, Cristóbal; Puigdollers i González, Joaquim; Alcubilla González, Ramón; Asensi, J.M. (Institute of Electrical and Electronics Engineers (IEEE), 2015)
    Conference report
    Restricted access - publisher's policy
    The effective mobility-lifetime product, a figure of merit for charge carrier transport in a photovoltaic device, was determined for small-molecule bulk heterojunction organic solar cells by means of a simplified methodology ...
  • Studies on organic solar cells based on small-molecules : tetraphenyldibenzoperiflanthene and fullerene C70 

    Galindo Lorente, Sergi (Universitat Politècnica de Catalunya, 2015-11-18)
    Doctoral thesis
    Open Access
    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 ...