title: Nickel-silicide colloid prepared under mild conditions as a versatile Ni precursor for more efficient CO2 reforming of CH4 catalysts.
abstract: Preparing highly active and stable non-noble-metal-based dry reforming catalysts remains a challenge today. In this context, supported nickel nanoparticles with sizes of 1.3 ± 0.2 and 2.1 ± 0.2 nm were synthesized on silica and ceria, respectively, via a two-step colloidal approach. First, 2-nm nickel-silicide colloids were synthesized from Ni(COD)(2) and octylsilane at low temperature; they were subsequently dispersed onto supports prior to reduction under H(2). The resulting catalysts display high activity in dry reforming compared to their analogues prepared using conventional approaches, ceria providing greatly improved catalyst stability.
authors.affiliation: Université de Lyon, ICL, C2P2 UMR 5265, CPE Lyon, 43 Bd du 11 Novembre 1918, F-69616 Villeurbanne, France.
authors.forename: David
authors.initials: D
authors.lastname: Baudouin
authors.forename: Kaï Chung
authors.initials: KC
authors.lastname: Szeto
authors.forename: Pierre
authors.initials: P
authors.lastname: Laurent
authors.forename: Aimery
authors.initials: A
authors.lastname: De Mallmann
authors.forename: Bernard
authors.initials: B
authors.lastname: Fenet
authors.forename: Laurent
authors.initials: L
authors.lastname: Veyre
authors.forename: Uwe
authors.initials: U
authors.lastname: Rodemerck
authors.forename: Christophe
authors.initials: C
authors.lastname: Copéret
authors.forename: Chloé
authors.initials: C
authors.lastname: Thieuleux