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Large-Scale Regioselective Formation of Well-Defined Stable Wrinkles of Multilayered Films via Embossing

Title data

Lu, Conghua ; Möhwald, Helmuth ; Fery, Andreas:
Large-Scale Regioselective Formation of Well-Defined Stable Wrinkles of Multilayered Films via Embossing.
In: Chemistry of Materials. Vol. 20 (2008) Issue 22 . - pp. 7052-7059.
ISSN 1520-5002
DOI: https://doi.org/10.1021/cm8018742

Official URL: Volltext

Abstract in another language

We report on large-scale fabrication of wrinkled polyelectrolyte multilayers (PEMs) with well-definedsurface relief structures by embossing. The embossed assembly films show hierarchical topography consisting of patterns on the micrometer scale defined by the stamp used for embossing that are decorated by stable and highly regular patterns on the submicrometer scale. The periodicities of the concentric wrinkles can be controlled well down to 250 nm. We propose that a new mechanism of combining inelastic deformation of the support and selective wetting by the PEM film to be responsible for the above wrinkling with high stability in the wet state and enhanced aspect ratio.

Further data

Item Type: Article in a journal
Refereed: Yes
Institutions of the University: Faculties > Faculty of Biology, Chemistry and Earth Sciences
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Former Professors > Chair Physical Chemistry II - Univ.-Prof. Dr. Andreas Fery
Faculties
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Physical Chemistry II
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Former Professors
Result of work at the UBT: Yes
DDC Subjects: 500 Science > 500 Natural sciences
500 Science > 530 Physics
500 Science > 540 Chemistry
Date Deposited: 08 Dec 2014 13:05
Last Modified: 29 Jan 2015 10:17
URI: https://eref.uni-bayreuth.de/id/eprint/4012