Extended Data Fig. 5: Post-structural characterization of Ir0.5Rb-PHI. | Nature Nanotechnology

Extended Data Fig. 5: Post-structural characterization of Ir0.5Rb-PHI.

From: Asymmetric photooxidation of glycerol to hydroxypyruvic acid over Rb–Ir catalytic pairs on poly(heptazine imides)

Extended Data Fig. 5

a, The Ir and Rb contents before and after the photoreaction. b, TEM image of Ir0.5Rb-PHI after 30 h of photoreaction. c, High-resolution image of b. d, HAADF-STEM image of Ir0.5Rb-PHI after the 30 h of photoreaction. e, HAADF-STEM image of Ir0.5Rb-PHI before photoreaction and the corresponding EDX mappings. f, HAADF-STEM image of Ir0.5Rb-PHI after 30 h of photoreaction and the corresponding EDX mappings. g-h, High-resolution Rb 3 d (g) and Ir 4 f (h) XPS spectra for Ir0.5Rb-PHI after 30 h of photoreaction.

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