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Aufsatz / Paper in SCI-Expanded-Zeitschrift

Rhodium-Coordinated Poly(arylene-ethynylene)-alt-Poly(arylenevinylene) Copolymer Acting as Photocatalyst for Visible-Light-Powered NAD+/NADH Reduction

Oppelt K., Gasiorowski J., Egbe D., Kollender J., Himmelsbach M., Hassel A., Sariciftci S., Knör G.: Rhodium-Coordinated Poly(arylene-ethynylene)-alt-Poly(arylenevinylene) Copolymer Acting as Photocatalyst for Visible-Light-Powered NAD+/NADH Reduction, in: Journal of the American Chemical Society, Volume 136, Page(s) 12721, 2014.

BibTeX

@ARTICLE{
title = {Rhodium-Coordinated Poly(arylene-ethynylene)-alt-Poly(arylenevinylene) Copolymer Acting as Photocatalyst for Visible-Light-Powered NAD+/NADH Reduction},
type = {Aufsatz / Paper in SCI-Expanded-Zeitschrift},
author = {Oppelt, Kerstin and Gasiorowski, Jacek and Egbe, Daniel Ayuk Mbi and Kollender, Jan Philipp and Himmelsbach, Markus and Hassel, Achim Walter and Sariciftci, Serdar Niyazi and Knör, Günther},
language = {EN},
abstract = {A 2,2′-bipyridyl-containing poly(arylene-ethynylene)-alt-poly(arylene-vinylene) polymer, acting as a lightharvesting ligand system, was synthesized and coupled to an organometallic rhodium complex designed for photocatalytic NAD+/NADH reduction. The material, which absorbs over a wide spectral range, was characterized by using various analytical techniques, confirming its chemical structure and properties. The dielectric function of the material was determined from spectroscopic ellipsometry measurements. Photocatalytic reduction of nucleotide redox cofactors under visible light irradiation (390−650 nm) was performed and is discussed in detail. The new metal-containing polymer can be used to cover large surface areas (e.g. glass beads) and, due to this immobilization step, can be easily separated from the reaction solution after photolysis. Because of its high stability, the polymer-based catalyst system can be repeatedly used under different reaction conditions for (photo)chemical reduction of NAD+. With this concept, enzymatic, photo-biocatalytic systems for solar energy conversion can be facilitated, and the precious metal catalyst can be recycled.},
pages = {12721},
journal = {Journal of the American Chemical Society},
volume = {136},
issn = {0002-7863},
year = {2014},
url = {http://www.lios.at},
}

Details

Zusammenfassung: A 2,2′-bipyridyl-containing poly(arylene-ethynylene)-alt-poly(arylene-vinylene) polymer, acting as a lightharvesting ligand system, was synthesized and coupled to an organometallic rhodium complex designed for photocatalytic NAD+/NADH reduction. The material, which absorbs over a wide spectral range, was characterized by using various analytical techniques, confirming its chemical structure and properties. The dielectric function of the material was determined from spectroscopic ellipsometry measurements. Photocatalytic reduction of nucleotide redox cofactors under visible light irradiation (390−650 nm) was performed and is discussed in detail. The new metal-containing polymer can be used to cover large surface areas (e.g. glass beads) and, due to this immobilization step, can be easily separated from the reaction solution after photolysis. Because of its high stability, the polymer-based catalyst system can be repeatedly used under different reaction conditions for (photo)chemical reduction of NAD+. With this concept, enzymatic, photo-biocatalytic systems for solar energy conversion can be facilitated, and the precious metal catalyst can be recycled.

Journal: Journal of the American Chemical Society
Volume: 136
Erscheinungsjahr: 2014
Seitenreferenz: 12721
Anzahl Seiten: 9
Web: http://www.lios.at
ISSN: 0002-7863
Reichweite: International

Beteiligte

AutorInnen / HerausgeberInnen: DI Dr. Kerstin Oppelt, Mag. Dr. Jacek Gasiorowski, Priv.-Doz. Dr. Daniel Ayuk Mbi Egbe, Dipl.-Chem. Dr. Jan Philipp Kollender, Assoz.Univprof. DI Dr. Markus Himmelsbach, Univ.-Prof. Dr. Achim Walter Hassel, O.Univ.-Prof. Mag. Dr. Serdar Niyazi Sariciftci, Univ.-Prof. Dr. Günther Knör

Forschungseinheiten der JKU:

Wissenschaftszweige: 103011 Halbleiterphysik | 103040 Photonik | 104 Chemie | 104005 Elektrochemie | 104016 Photochemie | 104017 Physikalische Chemie

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