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Tuning the photocatalytic activity of layered perovskite niobates by controlled ion exchange and hydration

Title data

Ladasiu, Calin ; Kulischow, Natalia ; Marschall, Roland:
Tuning the photocatalytic activity of layered perovskite niobates by controlled ion exchange and hydration.
In: Catalysis Science & Technology. Vol. 12 (2022) Issue 5 . - pp. 1450-1457.
ISSN 2044-4761
DOI: https://doi.org/10.1039/D1CY02057A

Official URL: Volltext

Project information

Project financing: Bundesministerium für Bildung und Forschung

Abstract in another language

Dion–Jacobson type layered perovskite niobium oxides KCa2Nb3O10 and KSr2Nb3O10 were prepared via molten salt method, and the potassium cations were exchanged by protons using nitric acid. Different degrees of proton exchange were adjusted, and the dependence of photocatalytic activity for hydrogen evolution on proton exchange was investigated. Moreover, proton exchange leads to different amounts of water incorporated into the interlayer spaces, also influencing photocatalytic performance significantly. Decoupling water intercalation and proton exchange, the photocatalytic activity of proton exchanged KCa2Nb3O10 and KSr2Nb3O10 can be revealed and tailored.

Further data

Item Type: Article in a journal
Refereed: Yes
Institutions of the University: Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry
Result of work at the UBT: No
DDC Subjects: 500 Science > 540 Chemistry
Date Deposited: 09 Mar 2022 06:44
Last Modified: 09 Mar 2022 06:44
URI: https://eref.uni-bayreuth.de/id/eprint/68880