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

P. V. Cherepanov; I. Melnyk; E. V. Skorb; P. Fratzl; E. Zolotoyabko; N. Dubrovinskaia; L. Dubrovinsky; Y. S. Avadhut; J. Senker; L. Leppert; S. Kümmel; D. V. Andreeva

doi:10.1039/c5gc00047e

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

P. V. Cherepanov, I. Melnyk, E. V. Skorb, P. Fratzl, E. Zolotoyabko, N. Dubrovinskaia, L. Dubrovinsky, Y. S. Avadhut, J. Senker, L. Leppert, S. Kümmel, D. V. Andreeva^*

^*Corresponding author for this work

Research output: Contribution to journal › Article › Academic › peer-review

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Abstract

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.

Original language	English
Pages (from-to)	2745-2749
Number of pages	5
Journal	Green chemistry
Volume	17
Issue number	5
DOIs	https://doi.org/10.1039/c5gc00047e
Publication status	Published - 1 May 2015
Externally published	Yes

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Cherepanov-2015-The-use-of-ultrasonic-cavitation-foFinal published version, 1.23 MBLicence: CC BY

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Cherepanov, P. V., Melnyk, I., Skorb, E. V., Fratzl, P., Zolotoyabko, E., Dubrovinskaia, N., Dubrovinsky, L., Avadhut, Y. S., Senker, J., Leppert, L., Kümmel, S., & Andreeva, D. V. (2015). The use of ultrasonic cavitation for near-surface structuring of robust and low-cost AlNi catalysts for hydrogen production. Green chemistry, 17(5), 2745-2749. https://doi.org/10.1039/c5gc00047e

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abstract = "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.",

author = "Cherepanov, {P. V.} and I. Melnyk and Skorb, {E. V.} and P. Fratzl and E. Zolotoyabko and N. Dubrovinskaia and L. Dubrovinsky and Avadhut, {Y. S.} and J. Senker and L. Leppert and S. K{\"u}mmel and Andreeva, {D. V.}",

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Cherepanov, PV, Melnyk, I, Skorb, EV, Fratzl, P, Zolotoyabko, E, Dubrovinskaia, N, Dubrovinsky, L, Avadhut, YS, Senker, J, Leppert, L, Kümmel, S & Andreeva, DV 2015, 'The use of ultrasonic cavitation for near-surface structuring of robust and low-cost AlNi catalysts for hydrogen production', Green chemistry, vol. 17, no. 5, pp. 2745-2749. https://doi.org/10.1039/c5gc00047e

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T1 - The use of ultrasonic cavitation for near-surface structuring of robust and low-cost AlNi catalysts for hydrogen production

AU - Cherepanov, P. V.

AU - Melnyk, I.

AU - Skorb, E. V.

AU - Fratzl, P.

AU - Zolotoyabko, E.

AU - Dubrovinskaia, N.

AU - Dubrovinsky, L.

AU - Avadhut, Y. S.

AU - Senker, J.

AU - Leppert, L.

AU - Kümmel, S.

AU - Andreeva, D. V.

PY - 2015/5/1

Y1 - 2015/5/1

N2 - 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.

AB - 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.

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

Abstract

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