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The use of ultrasonic cavitation for near-surface structuring of robust and low-cost AlNi catalysts for hydrogen production

Title data

Cherepanov, Pavel ; Melnyk, Inga ; Skorb, Ekaterina V. ; Fratzl, P. ; Zolotoyabko, E. ; Dubrovinskaia, Natalia ; Dubrovinsky, Leonid ; Avadhut, Yamini S. ; Senker, Jürgen ; Leppert, Linn ; Kümmel, Stephan ; Andreeva, Daria V.:
The use of ultrasonic cavitation for near-surface structuring of robust and low-cost AlNi catalysts for hydrogen production.
In: Green Chemistry. Vol. 17 (2015) Issue 5 . - pp. 2745-2749.
ISSN 1463-9262
DOI: https://doi.org/10.1039/c5gc00047e

Abstract in another language

Ultrasonically induced shock waves stimulate intensive interparticle collisions in suspensions and create large local temperature gradients in AlNi particles. These trigger phase transformations at the surface rather than in the particle interior. We show that ultrasonic processing is an effective approach for developing the desired compositional gradients in nm-thick interfacial regions of metal alloys and formation of effective catalysts toward the hydrogen evolution reaction.

Further data

Item Type: Article in a journal
Refereed: Yes
Institutions of the University: Faculties
Faculties > Faculty of Mathematics, Physics und Computer Science > Department of Physics > Chair Theoretical Physics IV > Chair Theoretical Physics IV - Univ.-Prof. Dr. Stephan Kümmel
Faculties > Faculty of Mathematics, Physics und Computer Science > Group Material Sciences > Professur Materialphysik und Technologie bei extremen Bedingungen > Professur Materialphysik und Technologie bei extremen Bedingungen - Univ.-Prof. Dr. Natalia Doubrovinckaia
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 III
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Anorganic Chemistry III > Chair Anorganic Chemistry III - Univ.-Prof. Dr. Jürgen Senker
Research Institutions > Research Centres > Bavarian Research Institute of Experimental Geochemistry and Geophysics - BGI
Faculties > Faculty of Mathematics, Physics und Computer Science
Faculties > Faculty of Mathematics, Physics und Computer Science > Department of Physics
Faculties > Faculty of Mathematics, Physics und Computer Science > Department of Physics > Chair Theoretical Physics IV
Faculties > Faculty of Mathematics, Physics und Computer Science > Group Material Sciences
Faculties > Faculty of Mathematics, Physics und Computer Science > Group Material Sciences > Professur Materialphysik und Technologie bei extremen Bedingungen
Research Institutions
Research Institutions > Research Centres
Result of work at the UBT: Yes
DDC Subjects: 500 Science > 540 Chemistry
500 Science > 550 Earth sciences, geology
Date Deposited: 26 Jul 2016 13:43
Last Modified: 23 Aug 2016 07:43
URI: https://eref.uni-bayreuth.de/id/eprint/33651