Publikation: Environmentally Benign Formation of Nickel Hexacyanoferrate-Derived Mesoframes for Heterogeneous Catalysis
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2021
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Nanomaterials. MDPI. 2021, 11(10), 2756. ISSN 2079-4991. eISSN 2079-4991. Available under: doi: 10.3390/nano11102756
Zusammenfassung
The tetramethylammonium hydroxide (TMAH)-controlled alkaline etching of nickel hexacyanoferrate (NiHCF) mesocrystals is explored. The alkaline etching enables the formation of hollow framework structures with an increased surface area, the exposure of active Ni and Fe sites and the retention of morphology. The ambient reaction conditions enable the establishment of a sustainable production. Our work reveals novel perspectives on the eco-friendly synthesis of hollow and colloidal superstructures for the efficient degradation of the organic contaminants rhodamine-B and bisphenol-A. In the case of peroxomonosulfate (PMS)-mediated bisphenol-A degradation, the rate constant of the etched mesoframes was 10,000 times higher indicating their significant catalytic activity.
Zusammenfassung in einer weiteren Sprache
Fachgebiet (DDC)
540 Chemie
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nickel hexacyanoferrate; nanocrystals; mesocrystals; etching; heterogeneous catalysis; bisphenol-A; rhodamine-B
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KESSLER, Sascha, Elrike R. REINALTER, Johannes SCHMIDT, Helmut CÖLFEN, 2021. Environmentally Benign Formation of Nickel Hexacyanoferrate-Derived Mesoframes for Heterogeneous Catalysis. In: Nanomaterials. MDPI. 2021, 11(10), 2756. ISSN 2079-4991. eISSN 2079-4991. Available under: doi: 10.3390/nano11102756BibTex
@article{Keler2021-10-18Envir-55387,
year={2021},
doi={10.3390/nano11102756},
title={Environmentally Benign Formation of Nickel Hexacyanoferrate-Derived Mesoframes for Heterogeneous Catalysis},
number={10},
volume={11},
issn={2079-4991},
journal={Nanomaterials},
author={Keßler, Sascha and Reinalter, Elrike R. and Schmidt, Johannes and Cölfen, Helmut},
note={Article Number: 2756}
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<dcterms:abstract xml:lang="eng">The tetramethylammonium hydroxide (TMAH)-controlled alkaline etching of nickel hexacyanoferrate (NiHCF) mesocrystals is explored. The alkaline etching enables the formation of hollow framework structures with an increased surface area, the exposure of active Ni and Fe sites and the retention of morphology. The ambient reaction conditions enable the establishment of a sustainable production. Our work reveals novel perspectives on the eco-friendly synthesis of hollow and colloidal superstructures for the efficient degradation of the organic contaminants rhodamine-B and bisphenol-A. In the case of peroxomonosulfate (PMS)-mediated bisphenol-A degradation, the rate constant of the etched mesoframes was 10,000 times higher indicating their significant catalytic activity.</dcterms:abstract>
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