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Size-Controlled Model Co Nanoparticle Catalysts for CO2 Hydrogenation: Synthesis, Characterization, and Catalytic Reactions

par Iablokov, Viacheslav ;Beaumont, Simon K.;Alayoglu, Selim;Pushkarev, Vladimir V. V.;Specht, Colin;Gao, Jinghua;Alivisatos, A. Paul;Kruse, Norbert ;Somorjai, Gabor A.
Référence Nano letters, 12, 6, page (3091)
Publication Publié, 2012

Article révisé par les pairs

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Résumé :

Model cobalt catalysts for CO 2 hydrogenation were prepared using colloidal chemistry. The turnover frequency at 6 bar and at 200-300 °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. © 2012 American Chemical Society.