Journal
NANO LETTERS
Volume 12, Issue 6, Pages 3091-3096Publisher
AMER CHEMICAL SOC
DOI: 10.1021/nl300973b
Keywords
Cobalt nanoparticles; CO2 hydrogenation; heterogeneous catalysis; catalytic poisoning
Categories
Funding
- U.S. Department of Energy [DE-AC02-05CH11231]
- Total, France
- BRIC (Bureau des Relations Internationales et la Cooperation de l'ULB)
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Model cobalt catalysts for CO2 hydrogenation were prepared using colloidal chemistry. The turnover frequency at 6 bar and at 200-300 degrees C increased with cobalt nanoparticle size from 3 to 10 nm. It was demonstrated that near monodisperse nanoparticles in the size range of 3-10 nm could be generated without using trioctylphosphine oxide, a capping ligand that we demonstrate results in phosphorus being present on the metal surface and poisoning catalyst activity in our application.
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