Berlin 2015 – scientific programme
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TT: Fachverband Tiefe Temperaturen
TT 60: Organic Electronics and Photovoltaics: OPV II (jointly with CPP, HL)
TT 60.3: Talk
Wednesday, March 18, 2015, 10:00–10:15, C 130
Probing Interfacial Properties in Polymer:Fullerene Bulk Heterojunctions — •Christian Kästner1, Daniel A. M. Egbe2, and Harald Hoppe1 — 1Institute of Physics, Technische Universität Ilmenau, Ilmenau, Germany — 2Linz Institute for Organic Solar Cells, Johannes Kepler University, Linz, Austria
We investigated the properties of donor-acceptor interfaces occurring in fine-tuned ternary bulk heterojunctions and were able to quantitatively correlate spectroscopic information with domain phase order. Relaxation energies for AnE-PV donor polymers as well as of PCBM were found to range within 100-200 meV.