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Nanoscaled Discotic Liquid Crystal/Polymer Systems : Confinement Effects on Morphology and Thermodynamics

Title data

Stillings, Christopher ; Martin, Emily ; Steinhart, Martin ; Pettau, Robin ; Paraknowitsch, J. ; Geuss, M. ; Schmidt, Jessica ; Germano, G. ; Schmidt, Hans-Werner ; Gösele, Ulrich ; Wendorff, Joachim H.:
Nanoscaled Discotic Liquid Crystal/Polymer Systems : Confinement Effects on Morphology and Thermodynamics.
In: Molecular Crystals and Liquid Crystals. Vol. 495 (2008) Issue 1 . - pp. 285-293.
ISSN 1563-5287
DOI: https://doi.org/10.1080/15421400802430349

Official URL: Volltext

Project information

Project financing: Deutsche Forschungsgemeinschaft

Abstract in another language

We have studied the influence of geometric confinement imposed on the supramolecular architecture of a discotic model compound confined to self-ordered nanoporous alumina. We systematically varied the pore diameter and the chemical nature of the pore walls and studied the systems thus obtained by means of wide angle X-ray diffraction and differential scanning calorimetry. A dominant planar core phase was found for high-energy pore walls consisting of alumina, whereas no apparent texture was present in the case of pore walls coated with non-polar poly(p-xylylene). Inside pores of 35 and 180 nm in diameter, pronounced geometric confinement effects and interfacial effects influence the structure formation. Additionally, we performed molecular dynamics simulations using a coarse-grained discotic potential.

Further data

Item Type: Article in a journal
Refereed: Yes
Institutions of the University: Faculties
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 > Chair Macromolecular Chemistry I
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Macromolecular Chemistry I > Chair Macromolecular Chemistry I - Univ.-Prof. Dr. Hans-Werner Schmidt
Profile Fields
Profile Fields > Advanced Fields
Profile Fields > Advanced Fields > Polymer and Colloid Science
Profile Fields > Advanced Fields > Advanced Materials
Research Institutions
Research Institutions > Research Centres
Research Institutions > Research Centres > Bayreuth Institute of Macromolecular Research - BIMF
Result of work at the UBT: Yes
DDC Subjects: 500 Science > 540 Chemistry
Date Deposited: 26 Jun 2015 08:48
Last Modified: 10 Mar 2016 09:24
URI: https://eref.uni-bayreuth.de/id/eprint/1311