fig9

Figure 9. HAADF-STEM images of different Ir/TiO2 samples after DRM reaction for 50 h. (A) 0.01% Ir/TiO2; (B) 0.05% Ir/TiO2; (C) 0.2% Ir/TiO2; (D) 0.5% Ir/TiO2; (E) 1.0% Ir/TiO2. HAADF-STEM: High-angle annular dark-field scanning transmission electron microscopy; DRM: dry reforming of methane.