Fig. 2: Ultrafine Pt clusters anchored by integrated Sn species in Pt@Sn-MFI.
From: Highly efficient catalytic propane dehydrogenation driven by MFI zeolite defect sites
a N2 adsorption and desorption isotherms. b In-situ DRIFTS spectra with He flow. c119Sn MAS NMR spectra. The asterisk “ *” denotes spin-side bands in the spectrum of SnO2. d TEM image. e-f HAADF-STEM images. g Cluster size distribution of Pt@Sn-MFI.
