Supplement Number 1

FIG. S1. HRTEM images of an unannealed sample by microwave 1200 W hydrogen treatment of surrounding graphite flakes of (a) low magnification image and corresponding SAED image; (b-c) high magnification images of regions b-c in Fig. a, and corresponding FT images; (d) low magnification image and corresponding SAED image; (e-f) high magnification images of regions e in Fig. d, and corresponding FT images.