Preparation of Cobalt Nanocrystals Supported on Metal Oxides To Study Particle Growth in Fischer-Tropsch Catalysts.

ABSTRACT: Colloidal synthesis of nanocrystals (NC) followed by their attachment to a support and activation is a promising route to prepare model catalysts for research on structure-performance relationships. Here, we investigated the suitability of this method to prepare well-defined Co/TiO₂ and Co/SiO₂ catalysts for the Fischer-Tropsch (FT) synthesis with high control over the cobalt particle size. To this end, Co-NC of 3, 6, 9, and 12 nm with narrow size distributions were synthesized and attached uniformly on either TiO₂ or SiO₂ supports with comparable morphology and Co loadings of 2-10 wt %. After activation in H₂, the FT activity of the TiO₂-supported 6 and 12 nm Co-NC was similar to that of a Co/TiO₂ catalyst prepar

SUBMITTER: van Deelen TW 

PROVIDER: S-EPMC6219851 | biostudies-literature | 2018 Nov

REPOSITORIES: biostudies-literature