Fig. 5
Structural characterization of Pt–NCs/N–C and Pt–NPs/N–C. a STEM image of Pt–NCs/N–C. Scale bar, 10 nm. b Particle size distribution of Pt–NCs/N–C. c STEM image of Pt–NPs/N–C. Scale bar, 50 nm. d Particle size distribution of Pt–NPs/N–C
