Fig. 1: Characterization of Pt2/mpg-C3N4 sample.
a HAADF-STEM image of Pt2/mpg-C3N4. b EDX mapping distributions of the C (blue), N (red), and Pt (green) elements, respectively. c, d AC HAADF-STEM images of the Pt2/mpg-C3N4 and Pt1/mpg-C3N4 samples, respectively.
