Dresden 2020 – wissenschaftliches Programm
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CPP 56.1: Hauptvortrag
Mittwoch, 18. März 2020, 09:30–10:00, ZEU 222
Structural and photophysical properties of blends of weakly interacting organic semiconductors — •Katharina Broch1, Clemens Zeiser1, Giulio Cerullo2, Roel Tempelaar3, and Christopher Bardeen4 — 1Institute for Applied Physics, University of Tübingen, Germany — 2Department of Physics, Polytechnic University of Milan, Italy — 3Department of Chemistry, Northwestern University, USA — 4Department of Chemistry, University of California at Riverside, USA
Blends of organic semiconductors are functional parts in many organic electronic devices and their structural, electronic and photophysical properties have been studied in great detail. So far, research focussed mainly on electron donating and accepting organic semiconductors due to their relevance for devices. However, also blends of weakly interacting compounds can be interesting from the viewpoint of a fundamental understanding of mixing behavior [1,2], or as tool to study the details of complex photophysical processes [3,4]. Anisotropies in structure formation and their impact on photophysical properties will be discussed using the example of acene blends.
 J.-O. Vogel et al., J. Mater. Chem. 20 (2010);  A. Aufderheide et al., Phys. Rev. Lett. 109 (2012);  D. Lubert-Perquel et al., Nat. Commun. 9, 4222 (2018);  K. Broch et al., Nat. Commun. 9, 954 (2018)