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Dresden 2017 – scientific programme

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CPP: Fachverband Chemische Physik und Polymerphysik

CPP 69: Thin Films, Nanostructures and Nanoparticles II

CPP 69.6: Talk

Friday, March 24, 2017, 11:45–12:00, ZEU 114

Patterned 2-D materials by laser ablation and self-assembly — •Daniel Rhinow1, Natalie Freese2, Julian Scherr3, Andreas Terfort3, André Beyer2, Armin Gölzhäuser2, and Norbert Hampp41Max-Planck-Institut für Biophysik, Abteilung Strukturbiologie, 60438 Frankfurt, Deutschland — 2Universität Bielefeld, Fakultät für Physik, 33501 Bielefeld, Deutschland — 3Goethe-Universität Frankfurt, Fachbereich Chemie, 60438 Frankfurt, Deutschland — 4Philipps-Universität Marburg, Fachbereich Chemie, 35032 Marburg, Deutschland

Self-assembled monolayers (SAMs) of thiols on gold can be patterned using a variety of physical and chemical methods. Irradiation of SAMs on gold with a pulsed 532 nm laser beam leads to thermal desorption of thiol molecules. The gaps are filled with a second thiol SAM and a patterned SAM is obtained. Photothermal patterning of SAMs enables the fabrication of arbitrary structured monolayers with lateral dimensions in the centimetre range. We demonstrate that phothothermal desorption of aromatic thiols can be used to produce patterned two-dimensional materials. Patterned carbon nanomembranes have been analyzed by helium ion microscopy, scanning electron microscopy and photoelectron spectroscopy.

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