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Metal–support interactions on Ru/CaAlOx catalysts derived from structural reconstruction of Ca–Al layered double hydroxides for ammonia decomposition

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Abstract

Strong metal–support interaction (SMSI) over Ru/CaAlOx was constructed by utilizing the surface structural reconstruction of Ca–Al layered double hydroxides (LDHs) in aqueous solution and their subsequent hydroxide-to-oxide transformations. Ru nanoparticles were found to uniformly embed with CaAlOx. The electronic interactions and changes in CO adsorption behavior confirmed the SMSI state between Ru and CaAlOx. Owing to SMSI, the as-prepared Ru/CaAlOx showed improved catalytic activity in the decomposition of ammonia, especially at a relatively low temperature.

Graphical abstract: Metal–support interactions on Ru/CaAlOx catalysts derived from structural reconstruction of Ca–Al layered double hydroxides for ammonia decomposition

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Publication details

The article was received on 27 Jul 2019, accepted on 21 Oct 2019 and first published on 28 Oct 2019


Article type: Communication
DOI: 10.1039/C9CC05706D
Chem. Commun., 2019, Advance Article

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    Metal–support interactions on Ru/CaAlOx catalysts derived from structural reconstruction of Ca–Al layered double hydroxides for ammonia decomposition

    J. Zhao, S. Xu, H. Wu, Z. You, L. Deng and X. Qiu, Chem. Commun., 2019, Advance Article , DOI: 10.1039/C9CC05706D

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