Fig. 3: Synthesis control.
From: Space-confined synthesis of sinter-resistant high-entropy nanoparticle library
a–d Schematic diagram of the synthesis of multiphase oxides (MPOs)/MSs and HEOs@MSs samples, with corresponding large-area/HR HAADF-STEM images and color maps. Pt-Quinary-MPOs/MCM-41 a synthesized by traditional impregnation, calcination, and annealing process; b synthesized by traditional impregnation, calcination, and quenching process; c synthesized by incipient wetness impregnation, calcination, and annealing process; d Pt-Quinary-HEOs@MCM-41 synthesized by ICQ route. e–g Structure of Pt-Quinary-HEOs@MCM-41: e XRD pattern (Insets: small-angle XRD pattern and cubic M3O4 model). f Atomic resolution STEM image of Pt-Quinary-HEOs nanoparticle. g Corresponding atomic intensity line profiles of atomic rows in (f).
