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Polymer core-shell fibers with metal nanoparticles as nanoreactor for catalysis

Titelangaben

Graeser, Martin ; Pippel, Eckhard ; Greiner, Andreas ; Wendorff, Joachim H.:
Polymer core-shell fibers with metal nanoparticles as nanoreactor for catalysis.
In: Macromolecules. Bd. 40 (2007) Heft 17 . - S. 6032-6039.
ISSN 1520-5835
DOI: https://doi.org/10.1021/ma070898d

Volltext

Link zum Volltext (externe URL): Volltext

Abstract

We have prepared polymer core-shell fibers containing salts of palladium, rhodium, and platinum. These salts were reduced within the core of the fibers by thermal decomposition at elevated temperatures and by using hydrogen as reduction medium. Monometal nanoparticles as well as mixed bimetal nanoparticles were produced in this way. The resulting fibers consisted either of a hollow core carrying the nanoparticles or a polymer core in which the nanoparticles were distributed. Both systems were successfully applied to specific hydrogenation reactions in which the shell served the purpose of immobilizing the catalyst nanoparticles, controlling the access to them, and allowing their recovery after the reaction whereas the core acted as the confined reaction site with an easy access of the reactants to the catalytic sites.

Weitere Angaben

Publikationsform: Artikel in einer Zeitschrift
Begutachteter Beitrag: Nein
Keywords: BIMETALLIC NANOPARTICLES; SELECTIVE HYDROGENATION; TEMPLATE FIBERS; NANOFIBERS; DEPOSITION; CLUSTERS
Institutionen der Universität: Fakultäten > Fakultät für Biologie, Chemie und Geowissenschaften > Fachgruppe Chemie > Lehrstuhl Makromolekulare Chemie II > Lehrstuhl Makromolekulare Chemie II - Univ.-Prof. Dr. Andreas Greiner
Fakultäten
Fakultäten > Fakultät für Biologie, Chemie und Geowissenschaften
Fakultäten > Fakultät für Biologie, Chemie und Geowissenschaften > Fachgruppe Chemie
Fakultäten > Fakultät für Biologie, Chemie und Geowissenschaften > Fachgruppe Chemie > Lehrstuhl Makromolekulare Chemie II
Titel an der UBT entstanden: Nein
Themengebiete aus DDC: 500 Naturwissenschaften und Mathematik > 540 Chemie
Eingestellt am: 07 Apr 2015 11:07
Letzte Änderung: 28 Jul 2023 08:31
URI: https://eref.uni-bayreuth.de/id/eprint/9670