Fig. 2: Structural characterization of Pt@-Fe@SiO2 catalysts.
From: Hydrogen spillover assisted by oxygenate molecules over nonreducible oxides
TEM images for (a) 1Pt@SiO2; (b) 10Fe@SiO2, and (c) 1Pt@-10Fe@SiO2; (d) H2-TPR profiles for the oxide precursors of these samples with a Pt-Fe/SiO2 catalyst (1 wt% Pt, 10 wt% Fe) synthesized via a co-impregnation method as reference.
