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Berlin 2015 – scientific programme

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HL: Fachverband Halbleiterphysik

HL 45: Organic electronics and photovoltaics: OPV II (CPP with HL/TT)

HL 45.3: 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 Hoppe11Institute 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.

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