Highly Active Layered Double Hydroxide-Derived Cobalt Nano-Catalysts for Catalytic Water Treatment


The parity condition, that the reactivity ration between non-precious and precious metal catalysts must exceed their price ration, has been surpassed for cobalt, in comparison to the most active precious metal catalyst made of palladium, in the catalytic reduction of p-nitrophenol with borohydride. This is achieved by affixing CO nanoparticles on two-dimensional layered double oxide nanodisks through thermal phase transformation of cobalt-magnesium-aluminum layered double hydroxide precursors. Compared to other CO nano-catalysts in the literature, the layered double oxide-Co catalyst has increased reactivity by at least 49 times.


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Arnaud Cottet
Technology Commercialization Manager
University of Notre Dame
(574) 631-9766
Chongzheng Na
Haitao Wang
Hanyu Ma
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