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Polymer tubes with longitudinal composition gradient by face-to-face wetting

Title data

Kriha, Olaf ; Göring, Petra ; Milbradt, Marc ; Agarwal, Seema ; Steinhart, Martin ; Wehrspohn, Ralf B. ; Wendorff, Joachim H. ; Greiner, Andreas:
Polymer tubes with longitudinal composition gradient by face-to-face wetting.
In: Chemistry of Materials. Vol. 20 (February 2008) Issue 3 . - pp. 1076-1081.
ISSN 1520-5002
DOI: https://doi.org/10.1021/cm702088v

Official URL: Volltext

Abstract in another language

Nanoporous and macroporous templates were simultaneously infiltrated from both of their opposite surfaces using model polymers labeled with fluorescent probes or bearing probe molecules detectable by energy-dispersive X-ray spectroscopy by precursor wetting. Face-to-face wetting with polymeric solutions resulted in partial mixing of both components, leading to tubular nanostructures characterized by a longitudinal composition gradient. Mixing of the components infiltrated from the opposite surfaces could be prevented by face-to-face wetting with polymeric melts, leading to the formation of tubular components predominantly consisting of the pure components that were separated by sharp interfaces.

Further data

Item Type: Article in a journal
Refereed: Yes
Keywords: POROUS TEMPLATES; NANOTUBES; CONFINEMENT; NANORODS; COPOLYMERS; MORPHOLOGY; NANOWIRES; SILICON; ARRAYS
Institutions of the University: Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Macromolecular Chemistry II > Chair Macromolecular Chemistry II - Univ.-Prof. Dr. Andreas Greiner
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 II
Result of work at the UBT: No
DDC Subjects: 500 Science > 540 Chemistry
Date Deposited: 09 Apr 2015 13:26
Last Modified: 23 Apr 2015 06:10
URI: https://eref.uni-bayreuth.de/id/eprint/9659