PhD Theses

Francesco Silvestri will defend his PhD Thesis on 14 December 2021 at 10 am at ICMAB

The PhD researcher Francesco Silvestri, from the Physical Chemistry of Surfaces and Interfaces (SURFACES) Group at ICMAB-CSIC, will defend his PhD thesis on Wednesday 14 December 2021 at 10:00 am in a hybrid session.

01 December 2021

Nanoscale Morphology and Structure of Organic Donor/Acceptor Heterojunctions


By Francesco Silvestri, from the Physical Chemistry of Surfaces and Interfaces (SURFACES) Group at ICMAB-CSIC

Date: Tuesday 14 December 2021
Time: 10:00 am
Venue: ICMAB Sala d'Actes "Carles Miravitlles" and online session by Zoom. Register here to attend by Zoom.

Abstract: The scientific effort dedicated to organic electronics in the last decades has led to impressive advancements in the field. Nevertheless, we are still far from fully exploiting the great potentiality offered by organic semiconductors (OSCs). Among the most crucial aspects determining the efficient operation of organic optoelectronic devices, we can find the control of the morphology of the active layers and their interfaces. The functionality of each of the organic layers composing the device, intimately depends on how the molecules arrange, order and orient in the solid film. In this regard, the work presented in this doctoral thesis is directed to two branches of organic electronics that are at present deeply debated in the field: molecular doping and organic photovoltaics (OPV).

The combination of high spatial resolution characterization techniques was employed with the aim of correlating the morphological traits of the investigated donor-acceptor films with their electronic properties and, in some cases, with the device performance.


  • Dr. Esther Barrena, Surfaces and Interfaces (SURFACES) Group at ICMAB-CSIC

PhD Committee:

  • President: Dr. Cristiano Albonetti, National Research Council/University of Bologna, Italy
  • Secretary: Dr. Raphael Pfattner, Instituto de Ciencia de Materiales de Barcelona (ICMAB-CSIC), Spain
  • Vocal: Dr. Berta Gómez-Lor, Instituto de Ciencia de Materiales de Madrid (ICMM-CSIC), Spain

University: Universitat Autònoma de Barcelona
PhD Programme: Materials Science

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