fig8
Figure 8. (A) HAADF-STEM image of Y4-SSZ-13 along the [211] zone axis; (B) Cu distribution, (C) NH3-DRIFT spectra of T-O-T region, and (D) ΔG values for the generation of Cu(OH)2 of zeolite catalysts; NH3-SCR curves (E) and Arrhenius plots (F) of Cu-SSZ-13 and Cu/Y4-SSZ-13. This figure is quoted with permission from Elsevier[67]. HAADF-STEM: High-angle annular dark-field scanning transmission electron microscopy; DRIFT: diffuse reflectance infrared Fourier transform; NH3-SCR: ammonia-assisted selective catalytic reduction.
