• 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) ...
    • Organic ambipolar semiconductors for TFT applications 

      Ponce Ortiz, Rocío; Arrechea-Marcos, Iratxe; López Espejo, Guzmán; Segura, José L.; López-Navarrete, Juan Teodomiro (2016-09-27)
      In the last years we have devoted some effort to the search of new high-mobility semiconductors with ambipolar performances, good processability and environmental stability. Our approach, which is one of the most widely ...
    • 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 polymer orientation at the interface by SERS 

      Harbuzaru, Alexandra; Arrechea-Marcos, Iratxe; López-Navarrete, Juan Teodomiro; Ponce Ortiz, Rocío; Ruiz Delgado, M. Carmen (2017-07-07)
      In the organic electronic research field, it is well known that the largest contribution to charge transport occurs within the first few nanometers of the semiconductor near the dielectric interface. Surface Enhanced ...
    • 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 ...