Chemical and electrochemical doping are widely used tools for adjusting the charge-carrier density and work function of organic semiconductors, from small molecules to polymers. Thus, doping is critical for a wide range of organic electronic devices, from solar cells and transistors to thermoelectric generators. A variety of doping methods exists and understanding of the underlying chemistry is gradually emerging. A remaining bottleneck is the poor environmental stability of doped thin films and bulk materials, which increasingly stands in the way of further technological development. This symposium will bring together some of the experts in the field of doping of organic semiconductors to discuss challenges and opportunities with regard to the stability of doped organic semiconductors, the doping efficiency of different systems, and the effect of doping on structure-processing-property relationships.
- synthesis of new dopants
- chemical and electrochemical doping
- doping of thin films and bulk materials
- structure-processing-property relationships
- interplay of electrical and mechanical properties
- characterization of doped organic semiconductors
- modelling of charge-transport processe
- local doping and patterning
- doping in the context of, e.g., organic photovoltaics, thermoelectrics and bioelectronics
Mariano Campoy Quiles´s research is devoted to the understanding and development of solution processed semiconductors for energy and optoelectronic applications. He and his team have built substantial research efforts in two application areas, solar photovoltaic (light to electric) and thermoelectric (heat to electric) energy conversion based on organic and hybrid materials. He studied physics at the Univesity of Santiago de Compostela, obtained his PhD in experimental physics from Imperial College London, and since 2008 he leads his team at the Institute of Materials Science of Barcelona.
Esther BarrenaDr. Habil. Martin Brinkmann (07.10.1971 in Mulhouse, France)
Directeur de Recherche CNRS
Institut Charles Sadron
CNRS Université de Strasbourg
23 rue du loess
67034 Strasbourg – France
h=45, 137 publications
Scientific Career
Since 2013 Director of Research CNRS
2002. Invited Researcher EPFL, group of L. Zuppiroli
2000 -2013 Senior Scientist CNRS
1999-2000 Postdoctoral researcher MIT, Cambridge, USA
1997-1999 Postdoctoral researcher at CNR Bologna, Italy
1994-1997 PhD, University Louis Pasteur, Strasbourg
Scientific Focus
Structure and morphology in thin organic films,
Organic semiconductors,
Transmission Electron Microscopy,
Crystallization and orientation of polymer and molecular materials,
Growth control in organic thin films. Polymer Thermoelectric Materials.
Scientific Awards
2007 CNRS Bronze Medal
2011 Prize of Groupe Français des Polymères – Société Française de Physique
Management activities
2013-2020 SYCOMMOR Group leader, ICS
2018-now Deputy-director of Doctoral School of Physics and Chemical Physics
ED182, Strasbourg
2017-now. IC FRC and GFP member
2018-now: Coordinator ANR ANISOTHERM
Supervision:
12 PhD students (Bruno Schmaltz, Christelle Vergnat, Navaphun Kayunkid, Lucia Hartmann, Alexandru Sarbu, Amer Hamidi-Sakr, Morgane Diebold, Vishnu Vijajakumar, Marion Brosset, Yuhan Zong, Shubhradip Guchait),
7 postdocs (Jean-François Moulin, Sirapat Pratontep, Navaphun Kayunkid, Uttiya Sureeporn, Nicolas Crespo-Monteiro, Maria Girleanu, Laure Biniek)
Teaching “Structure and Growth of Conjugated Polymer and Molecular Materials” , Master polymer Science (2010-2012), Strasbourg.
Reviewing: Macromolecules, Chemistry of Materials, JACS, Advanced Functional Materials, Advanced Materials, J. Mater. Chem. C
Project reviewer for ANR, DFG, NSF, Swiss national Science foundation
Five most important publications
1) M. Brinkmann, J.-C. Wittmann: Orientation of regio-regular poly(3-hexylthiophene) by directional solidification: a simple method to reveal the semi-crystalline structure of a conjugated polymer, Adv. Mat. 2006, 18, 860.
2) N. Kayunkid, S. Uttiya and M. Brinkmann: Structural model of regioregular poly(3-hexylthiophene) obtained by electron diffraction analysis, Macromolecules 2010, 43, 4961.
3) M. Brinkmann, E. Gonthier, S. Bogen, K. Tremmel, S. Ludwigs, M. Hufnagel, M. Sommer: Segregated versus mixed stacking of bithiophene and naphthalene bisimide units in highly oriented films of an n-type polymeric semiconductor, ACS Nano, 2012, 6, 10319.
4) A. Hamidi Sakr, L. Biniek, S. Fall, M. Brinkmann: Precise control of crystal size in highly oriented regioregular poly(3-hexylthiophene) thin films prepared by high temperature rubbing: correlations with optical properties and charge transport, Adv. Funct. Mat. 2016, 26, 408.
5) Vijayakumar, V.; Zhong, Y.; Untilova, V.; Bahri, M.; Herrmann, L.; Biniek, L.; Leclerc, N.; Brinkmann, M. Bringing Conducting Polymers to High Order: Toward Conductivities beyond 105 S cm−1 and Thermoelectric Power Factors of 2 mW m−1 K−2. Advanced Energy Materials 2019, 9, 1900266.
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Shaochuan LuoFrancisco Molina-Lopez is an Associate Professor at the Department of Materials Engineering of KU Leuven. He graduated in Physics & Electrical Engineering at the University of Granada (Spain) and obtained his PhD degree in Microsystems Engineering from EPFL (Switzerland). Before joining KU Leuven, Prof. Molina-Lopez performed postdoctoral research for almost four years at the Bao group in the Chemical Engineering Department of Stanford University (USA) and worked for more than a year at Apple Inc. (Cupertino, California) as a senior hardware engineer. His current research focuses on the process and characterization of flexible hybrid organic-inorganic functional materials for energy and sensing, with a special focus on the transition from material to device. In 2020, he was awarded the ERC starting grant for the project 3DALIGN. His group currently includes 10 PhD students and 4 postdoctoral researchers.
Jenny Nelson is a Professor of Physics at Imperial College London, where she has researched novel varieties of material for use in solar cells since 1989. Her current research is focussed on understanding the properties of molecular semiconductor materials and their application to organic solar cells. This work combines fundamental electrical, spectroscopic and structural studies of molecular electronic materials with numerical modelling and device studies, with the aim of optimising the performance of plastic solar cells. She has published around 200 articles in peer reviewed journals, several book chapters and a book on the physics of solar cells.