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Layered Perovskite Nanofibers via Electrospinning for Overall Water Splitting

Title data

Hildebrandt, Nils C. ; Soldat, Julia ; Marschall, Roland:
Layered Perovskite Nanofibers via Electrospinning for Overall Water Splitting.
In: Small. Vol. 11 (2015) Issue 17 . - pp. 2051-2057.
ISSN 1613-6829
DOI: https://doi.org/10.1002/smll.201402679

Project information

Project financing: Deutsche Forschungsgemeinschaft

Abstract in another language

The (111)-layered perovskite materials Ba5Ta4O15, Ba5Ta2Nb2O15 and Ba5Nb4O15 are prepared with nanofiber morphology via electrospinning for the first time. The nanofibers are built up from small single crystals, with up to several micrometers length even after calcination. The formation mechanism is investigated in detail, revealing an intermediate formation of amorphous barium carbonate strengthening the nanofiber morphology for high temperature treatment. All nanofiber compounds are able to generate hydrogen without any co-catalyst in photocatalytic reformation of methanol. After photodeposition of Rh-Cr2O3 co-catalysts, the nanofibers show better activity in overall water splitting compared to sol–gel-derived powders.

Further data

Item Type: Article in a journal
Refereed: Yes
Keywords: electrospinning; nanofibers
Institutions of the University: Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry
Faculties
Faculties > Faculty of Biology, Chemistry and Earth Sciences
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Lehrstuhl Physikalische Chemie III > Lehrstuhl Physikalische Chemie III - Univ.-Prof. Dr. Roland Marschall
Result of work at the UBT: No
DDC Subjects: 500 Science > 540 Chemistry
Date Deposited: 04 Sep 2018 07:17
Last Modified: 30 Oct 2018 07:40
URI: https://eref.uni-bayreuth.de/id/eprint/45675