Dresden 2014 – scientific programme

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O: Fachverband Oberflächenphysik

O 36: Posters: Bio/organic Molecules on Surfaces, Graphene, Solid/liquid interfaces, Metal Substrates, Electronic Structure Theory

O 36.21: Poster

Tuesday, April 1, 2014, 18:30–22:00, P1

Molecular Aggregates for Photoemission Electron Microscopy (PEEM) — •Hannes Hartmann, Ingo Barke, Karl-Heinz Meiwes-Broer, and Sylvia Speller — University of Rostock, Institute of Physics, 18051 Rostock, Germany

Molecular aggregates are of significant interest for applications in organic electronics and for photovoltaics. Our experiments aim at spatial and energy-resolved studies of excitations in molecular aggregates. The primary method is photoemission electron microscopy (PEEM), in combination with fluorescence- and scanning probe microscopy. The PEEM system is equipped with energy filters and different excitation sources. For time-resolved measurements a pump-probe setup is under construction. The current state of affairs is presented and discussed.