Dresden 2017 – wissenschaftliches Programm

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MM: Fachverband Metall- und Materialphysik

MM 34: Poster session II

MM 34.31: Poster

Dienstag, 21. März 2017, 18:30–20:30, P4

Polypyrrole confined in porous silicon: From fundamentals to applications — •Manuel Brinker1, Guido Dittrich1, Philipp Timm1, Thomas Keller2,3, Pirmin Lakner2, and Patrick Huber11Institut für Werkstoffphysik und Werkstofftechnologie, Technische Universität Hamburg-Harburg (TUHH), Eißendorfer Straße 42, 21073 Hamburg — 2DESY NanoLab FS-NL, Research Group X-ray Physics and Nanoscience, Deutsches Elektronen-Synchrotron DESY, Notkestraße 85, 22607 Hamburg — 3Departement Physik, Universität Hamburg, Jungiusstraße 9, 20355 Hamburg

We investigate the properties of the semi-conducting polymer polypyrrol (PPy) in parallel, tubular pores of monolithic micro- (pore diameter D < 2nm)-, meso- (2 < D < 20nm) and macroporous (D > 50 nm) silicon (PSi). On the one hand PPy offers the opportunity to modify the electrical conductivity of the PSi, while sensoric and actoric applications for the PPy/PSi hybrid system are possible as well. We investigate the electrochemical polymerisation process of PPy in PSi [1] with regards to the orientation of the molecules in the pores and the role of the pore surfaces. [1] F.A.Harraz, Electrochemical formation of a novel porous silicon/polypyrrole hybrid structure with enhanced electrical and optical characteristics, J. Electroanal. Chem. 729 (2014) 68*74.

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