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Berlin 2018 – wissenschaftliches Programm

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DS: Fachverband Dünne Schichten

DS 25: Organic Thin Films, Organic-Inorganic Interfaces: Session I (joint session DS/CPP)

DS 25.4: Vortrag

Mittwoch, 14. März 2018, 17:15–17:30, H 0111

Investigation of sputter deposited nanostructured alloy films on polymer surfacesNiko Carstens1, Alexander Hinz1, Oleksandr Polonskyi1, •Thomas Strunskus1, Matthias Schwartzkopf2, Pallavi Pandit2, Andre Rothkirch2, Franziska Löhrer3, Volker Körstgens3, Simon Schaper3, Peter Müller-Buschbaum3, Stephan Roth2, and Franz Faupel11Chair for Multicomponent Materials, CAU Kiel, 24143 Kiel — 2DESY, 22607 Hamburg — 3Physcis Department, TU Munich, 85748 Garching

The fabrication of functional materials with tailored plasmonic properties gained much interest in recent years. Vapor phase deposition techniques like sputtering are an attractive approach to produce self-assembled nanostructured films which exhibit plasmonic activity when the effective thickness is under the percolation threshold. As the local surface plasmon resonance can be tuned by the composition, alloy films are of special interest. In this study, the growth of miscible (AuAg) and immiscible (CuAg) systems on different polymer surfaces (PS and PMMA) by magnetron sputtering has been investigated. The correlation between optical properties and the stage of film growth was examined during deposition by means of in-situ reflection UV-Vis spectroscopy as well as time resolved GIWAXS and GISAXS investigations [1,2]. In addition, SEM investigations as well as ex-situ transmission UV-Vis spectroscopy were performed after film deposition.

[1] Schwartzkopf et al., ACS Appl. Mater. Interfaces 9, 5629 (2017), [2] Schwartzkopf et al., ACS Appl. Mater. Interfaces 7, 13547 (2015).

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