Regensburg 2010 – wissenschaftliches Programm

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CPP: Fachverband Chemische Physik und Polymerphysik

CPP 43: Colloids and Complex Liquids II

CPP 43.8: Vortrag

Donnerstag, 25. März 2010, 16:00–16:15, H39

Airbrush-spray deposition of colloidal polymer film investigated by Grazing Incidence Small Angle X-ray Scattering — •Adeline Buffet, Gerd Herzog, Matthias Schwartzkopf, Mottakin M. Abul Kashem, Jan Perlich, Rainer Gehrke, and Stephan V. Roth — HASYLAB-DESY, Notkestr. 85, D-22607 Hamburg, Germany

Organic-based hybrid devices received strong attention from both academy and industry because of their potential for low-cost production and flexible device applications [1]. Recently, the novel technique of airbrush spray deposition was used in the fabrication of organic-based multilayer devices such solar cells [2]. This technique allows for performing rapid deposition of organic-based nanostructured layers showing high homogeneity over a large area and is thus of great interest in industrial applications. We used Grazing Incidence Small Angle X-ray Scattering (GISAXS) to investigate the structure of a colloidal nanoparticle film deposited on a flat Si-substrate by using a commercial airbrush-spray. The study shows a strong dependence of the film homogeneity on the substrate-to-spray distance and the strong influence of the solvent choice on the film lateral ordering opening a promising route to generate laterally structured templates and scaffolds for the fabrication of ultrahigh-density media. [1] G. Kaune et al., Eur. Phys. J. E 26, 73-79 (2008). [2] R. Green, et al., Appl. Phys. Lett. 92, 03330 (2008).