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HL: Fachverband Halbleiterphysik
HL 32: Organic Electronics and Photovoltaics II (joint session CPP/HL)
HL 32.6: Vortrag
Mittwoch, 29. März 2023, 16:30–16:45, GÖR 226
Temperature-induced morphology changes at the organic-metal interface: effects on the structure, electronic and thermoelectric performance — •Benedikt Sochor1, Yusuf Bulut1,2, Marie Betker1,3, Anna Lena Oechsle2, Simon Schraad1,4, Christopher R. Everett2, Constantin Harder1,2, Tzu-Yen Huang5,6, Anton Le Brun5, Tim Laarmann1,4, Peter Müller-Buschbaum2,7, and Stephan V. Roth1,3 — 1Deutsches Elektronen-Synchrotron DESY, Notkestr. 85, 22607 Hamburg, Germany — 2TUM School of Natural Sciences, Chair for Functional Materials, James-Franck-Str. 1, 85748 Garching, Germany — 3KTH Royal Institute of Technology, Teknikringen 56-58, 100 44 Stockholm, Sweden — 4University Hamburg, Department of Physics, Notkestr. 85, 22607 Hamburg, Germany — 5ANSTO, New Illawarra Road, Lucas Heights, NSW 2234, Australia — 6NSRRC, 101 Hsin-Ann Road, Hsinchu Science Park, Hsinchu 30076, Taiwan — 7MLZ, TUM, Lichtenbergstr. 1, 85748 Garching, Germany
Flexible organic electronics are one of the most sought-after devices in the field of photovoltaics, sensors, or smart wearables. Here, the structure of the organic-metal interface and its modification potential are of utmost interest for future large-scale production. This study focuses on two semiconducting Poly(3-hexylthiophene-2,5-diyl) diblock variants, whose sprayed and doped thin films show excellent potential as thermoelectric generators. Using AFM, ellipsometry, in situ GISAXS/GIWAXS, and NR measurements, the structural changes of the polymer-gold interfaces were tracked during thermal annealing.