• Analyzing thin film morphology by Resonance Raman spectroscopy 

      Ponce-Ortiz, Rocio; Harbuzaru, Alexandra; Gámez Valenzuela, Sergio; Ruiz Delgado, M. Carmen; Wang, Yingfeng; [et al.] (2019-07-16)
      Polymeric organic thin film transistors (OFETs) and all-polymer bulk heterojunction solar cells (all-PCS), which are composed of a polymer donor and a polymer acceptor, have attracted considerable attention in the last ...
    • Benzotrithiophenes vs. Benzo/Naptha-dithiophenes: The Effect of Star-Shaped versus Linear Conjugation on Their Electronic Structures 

      Arrechea-Marcos, Iratxe; Ponce-Ortiz, Rocio; Riaño, Alberto; Mayorga-Burruezo, Paula; Loser, S.; [et al.] (2015-07-30)
      Star-shaped complexes of π-conjugated chromophores are currently of great interest for use in optoelectronic devices.1 Recently, different planar central cores involving three thiophene rings fused to a benzenic ring (BTTs) ...
    • Caracterización de sistemas basados en carbazol con transformación reversible entre birradical aislado y σ-agregados 

      Badía-Domínguez, Irene; Gámez-Valenzuela, Sergio; Capel-Ferrón, Cristina; Ponce-Ortiz, Rocio; López-Navarrete, Juan Teodomiro; [et al.] (2017-07-03)
      El desarrollo de la química de moléculas orgánicas π-conjugadas que tienen una capa de valencia que no está completamente llena, también conocidas como sistemas de capa abierta, ha atraído mucho interés en estos últimos ...
    • Donor-acceptor polymers for applications in organic electronics and photovoltaics 

      Ponce-Ortiz, Rocio; Mayorga-Burrezo, Paula; Casado-Cordon, Juan; López-Navarrete, Juan Teodomiro; Guo, Xugang; [et al.] (2013-09-26)
      We have synthesized a new series of high-mobility polymeric semiconductors with good processability and excellent environmental stability for organic electronics and photovoltaics. Using these materials, solar cells were ...
    • Estudio del efecto fotocrómico reversible de un sistema quinoide basado en carbazol 

      Gámez-Valenzuela, Sergio; Badía-Domínguez, Irene; Capel-Ferrón, Cristina; Ponce-Ortiz, Rocio; López-Navarrete, Juan Teodomiro; [et al.] (2017-07-03)
      Hoy en día, el uso de materiales de naturaleza orgánica se presenta como un recurso ecológico y asequible para el diseño de dispositivos electrónicos. Entre ellos, los materiales sensibles a estímulos tienen además numerosas ...
    • Oligo(3,4-etilendioxitiofeno-vineleno)s 

      Mayorga-Burrezo, Paula; Ponce-Ortiz, Rocio; De-la-Cruz, Pilar; López-Navarrete, Juan Teodomiro; Langa-de-la-Puente, Fernando; [et al.] (2014-02-18)
      Desde el descubrimiento de las propiedades conductoras del poliacetileno (PA)1 han sido muchas las modificaciones en la síntesis química que, manteniendo la estructura de enlaces conjugados, es decir, alternancia de dobles ...
    • Organic Materials: The Effect of Subtle Modifications on Device Performance 

      Ponce-Ortiz, Rocio; Mayorga-Burrezo, Paula; Casado-Cordon, Juan; López-Navarrete, Juan Teodomiro; Guo, Xugang; [et al.] (2014-11-07)
      In the search of new high-mobility polymeric semiconductors with good processability and excellent environmental stability, diverse synthetic strategies have been approached. One of the most widely used consists in the ...
    • SpectroscopicTechniques and DFT Calculations to Understand Charge Transport Mechinisms in OFETs 

      Harbuzaru, Alexandra; Arrechea Marcos, Iratxe; López-Navarrete, Juan Teodomiro; Ponce-Ortiz, Rocio; Ruíz-Delgado, María del Carmen; [et al.] (2019-02-11)
      The organic electronics research field has advanced tremendously in the last decades, but there is still an incomplete understanding of the main mechanisms governing charge injection and transport in such devices. The ...
    • Tuning of the electronic levels of oligothiophene-naphthalimide semiconductors: in the search of ambipolar behaviour 

      Arrechea-Marcos, Iratxe; De-la-Peña, Alejandro; Mancheño, María José; Ruíz-Delgado, María del Carmen; Segura, José Luis; [et al.] (2016-10-18)
      Ambipolar organic field-effect transistors (OFETs), which can efficiently transport both holes and electrons, using a single type of electrode, are currently of great interest due to their possible applications in complementary ...
    • Understanding charge transport in organic field effect transistors 

      Wang, Yingfeng; Guo, Han; Ponce-Ortiz, Rocio; Harbuzaru, Alexandra; Arrechea-Marcos, Iratxe; [et al.] (2018-06-28)
      The organic electronics research field has advanced tremendously in the last decades, having already led to field-effect mobilities able to compete with their inorganic counterparts. However, many fundamental aspects of ...
    • Understanding organic materials performance in field-effect transistors 

      Ponce-Ortiz, Rocio; Arrechea-Marcos, Iratxe; López Espejo, Guzmán; López-Navarrete, Juan Teodomiro; Segura, Jose L. (2017-07-14)
      In the last years, much of our effort has been devoted to the search and study of new high-mobility semiconductors for organic thin film transistors. The approach used for the materials design has been two-fold: (i) the ...
    • Understanding the structure-property correlations of n-type organic semiconductors in OFETs 

      Harbuzaru, Alexandra; Arrechea Marcos, Iratxe; López Navarrete, J. Teodomiro; Ponce-Ortiz, Rocio; Ruiz Delgado, M. Carmen (2019-07-16)
      In the organic electronic research field, the development of high-performance unipolar n-type semiconductors is still challenging. Here we present an in-depth study of a series of ladder-type semiconductors, which due to ...