Fig. 2: Structure characterization of the tandem catalysts.
From: CO2 hydrogenation toward toluene methylation for selective para-xylene synthesis
a X-ray diffraction patterns of ZZO, M-22, and ZZO & 4Si/M-22. b The TEM and Aberration-corrected HRTEM images of ZZO. c Aberration-corrected high-angle annular dark-field scanning TEM images and elemental distribution of Zn and Zr for ZZO. d SEM image of M-22. e SEM image of ZZO & M-22.
