Dresden 2009 – wissenschaftliches Programm
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CPP: Fachverband Chemische Physik und Polymerphysik
CPP 28: POSTERS Interfaces and Thin Films
CPP 28.18: Poster
Mittwoch, 25. März 2009, 17:00–19:00, P3
Surface energy patterns generated by single pulse laser interference lithography — •Tobias Geldhauser1, Stefan Walheim2, Thomas Schimmel2,3, Paul Leiderer1, and Johannes Boneberg1 — 1Universität Konstanz, 78457 Konstanz, Deutschland — 2Institute of Nanotechnology (INT), Forschungszentrum Karlsruhe, 76021 Karlsruhe, Deutschland — 3Institute of Applied Physics, Center for Functional Nanostructures (CFN), Universität Karlsruhe, 76128 Karlsruhe, Deutschland
Single pulse laser interference lithography is used to structure self-assembled monolayers of thiol on gold by thermal desorption in a rapid and large area (mm2) process. The desired structure can be varied by different angles of incidence and numbers of interfering laser beams. The structuring process is investigated by attenuated total reflection and AFM measurements. For comparison with the experiment 1D and 2D simulations of temporal heat distributions are presented. As a verification of this patterning process and example structures down to 200nm in width generated by demixing of polymers, sol-gel and guided assembly of colloids are shown.