Fig. 5: Effects of intimacy and composition of Au SAs and Au NPs.

a, b PO formation rate and selectivity for mixing Au₁ and Au_n in different intimacies (a) and compositions (b). c In-situ SR-FTIR spectra of C₃H₆ desorption for the Au_n, mortar-mixing catalyst (An_n:Au₁ = 1:7), and Au₁ catalyst at elevated temperatures.