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CPP: Fachverband Chemische Physik und Polymerphysik
CPP 36: Poster: Nanoparticles and Composite Materials
CPP 36.1: Poster
Mittwoch, 16. März 2011, 17:00–19:00, P2
Gold nanoparticle deposition onto doped polyaniline thin films - an in situ investigation with a combination of µGISAXS and imaging ellipsometry — •Volker Körstgens1, Monika Rawolle1, Adeline Buffet2, Mottakin Abul Kashem2, Matthias Schwartzkopf2, Stephan V. Roth2, and Peter Müller-Buschbaum1 — 1TU München, Physik Department, LS Funkt. Mat., James-Franck-Str. 1, 85748 Garching, Germany — 2HASYLAB at DESY, 22603 Hamburg, Germany
Conducting composite materials based on polyaniline and gold have a broad range of possible applications in the fields of electronics, optics and biology. In this work the deposition of gold nanoparticles as an aqueous dispersion onto a polymer thin film is investigated. The polymer film consists of polystyrene-block-polyethylene oxide and polyaniline doped with camphorsulfonic acid. We use the unique in-situ combination of µGISAXS (grazing incidence small angle x-ray scattering with a µm-sized beam) and imaging ellipsometry [1]. It allows for a comprehensive sample characterization including the local film thickness and optical properties combined with structural information with a spatial resolution depending on the size of the x-ray beam.
This project is financially supported by BMBF grant 05KS7WO1.
[1] V. Körstgens et al., Anal. Bioanal. Chem. 396, 139-149 (2010).