An In Situ TEM Study of the Influence of Water Vapor on Reduction of Nickel Phyllosilicate – Retarded Growth of Metal Nanoparticles at Higher Rates
Savannah. J. Turner,
Nienke. L. Visser,
Remco Dalebout
et al.
Abstract:Unavoidable water formation during the reduction of solid catalyst precursors has long been known to influence the nanoparticle size and dispersion in the active catalyst. This in situ transmission electron microscopy study provides insight into the influence of water vapor at the nanoscale on the nucleation and growth of the nanoparticles (2–16 nm) during the reduction of a nickel phyllosilicate catalyst precursor under H2/Ar gas at 700 °C. Water suppresses and delays nucleation, but counterintuitively increa… Show more
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