14-17 May 2018
New Orleans
US/Central timezone

Soft fillings in nanoporous solids: Electro-polymerization and mechanical characterization of polypyrrole in nanoporous silicon

15 May 2018, 17:30
15m
New Orleans

New Orleans

Poster MS 1.12: Fluids in Nanoporous Media Poster 2

Speaker

Patrick Huber (Hamburg University of Technology)

Description

We investigate the properties of the electrically conductive polymer Polypyrrole (PPy) in tubular pores of monolithic micro (pore diameter D < 2 nm)-, meso- (2 nm < D <20 nm) and macroporous (D > 50 nm) silicon. We successfully demonstrate a homogeneous filling via electro-polymerisation for the extremely anisotropic confinement of 12 nm pore diameter and 180 µm pore length. The kinetics of this process are explored experimentally and related to phenomenological models for polymerization in confined geometries. First experiments on the enhancement of mechanical properties of the resulting soft-hard nanohybrids are also presented.

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Primary authors

Manuel Brinker (Hamburg University of Technology) Stella Gries (Hamburg University of Technology) Pirmin Lakner (Deutsches Elektronen-Synchrotron (DESY)) Tommy Hofmann (Helmholtz Zentrum Berlin) Thomas Keller Patrick Huber (Hamburg University of Technology)

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