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Mesostructured ZnO/Au nanoparticle composites with enhanced photocatalytic activity

Title data

Bojer, Carina ; Schöbel, Judith ; Martin, Thomas ; Lunkenbein, Thomas ; Wagner, Daniel R. ; Greiner, Andreas ; Breu, Josef ; Schmalz, Holger:
Mesostructured ZnO/Au nanoparticle composites with enhanced photocatalytic activity.
In: Polymer. Vol. 128 (October 2017) . - pp. 65-70.
ISSN 0032-3861
DOI: https://doi.org/10.1016/j.polymer.2017.09.008

Official URL: Volltext

Abstract in another language

Ease of catalyst separation from reaction mixtures represents a significant advantage in heterogeneous photocatalytic wastewater treatment. However, the activity of the catalyst strongly depends on its surface-to-volume ratio. Here, we present an approach based on cylindrical polybutadiene-block-poly(2-vinylpyridine) polymer brushes as template, which can be simultaneously loaded with zinc oxide (ZnO) and gold (Au) nanoparticles. Pyrolytic template removal of the polymer yields in mesostructured ZnO/Au composites, showing higher efficiencies in the photocatalytic degradation of ciprofloxacin and levofloxacin (generic antibiotics present in clinical wastewater) as compared to neat mesostructured ZnO. Upscaling of the presented catalyst is straightforward promising high technical relevance.

Further data

Item Type: Article in a journal
Refereed: Yes
Keywords: Mesostructure; Cylindrical polymer brushes; Wastewater treatment; Photocatalyst;
Nanowires
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 Anorganic Chemistry I
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Anorganic Chemistry I > Chair Anorganic Chemistry I - Univ.-Prof. Dr. Josef Breu
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Macromolecular Chemistry II
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Macromolecular Chemistry II > Chair Macromolecular Chemistry II - Univ.-Prof. Dr. Andreas Greiner
Research Institutions > Collaborative Research Centers, Research Unit > SFB 840 Von partikulären Nanosystemen zur Mesotechnologie
Research Institutions
Research Institutions > Collaborative Research Centers, Research Unit
Result of work at the UBT: Yes
DDC Subjects: 500 Science > 540 Chemistry
Date Deposited: 29 Mar 2018 07:18
Last Modified: 29 Mar 2018 07:18
URI: https://eref.uni-bayreuth.de/id/eprint/43096