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Issue 5, 2015
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The use of ultrasonic cavitation for near-surface structuring of robust and low-cost AlNi catalysts for hydrogen production

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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.

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

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Publication details

The article was received on 13 Jan 2015, accepted on 16 Mar 2015 and first published on 16 Mar 2015


Article type: Communication
DOI: 10.1039/C5GC00047E
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Citation: Green Chem., 2015,17, 2745-2749
  • Open access: Creative Commons BY license
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    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 and D. V. Andreeva, Green Chem., 2015, 17, 2745
    DOI: 10.1039/C5GC00047E

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