Fig. 1: Microscopic characterization of ND and F-ND catalysts.
From: Photo-fluorination of nanodiamonds catalyzing oxidative dehydrogenation reaction of ethylbenzene

a SEM image of F-ND catalysts. b TEM image of ND catalysts. c High-resolution TEM image, and d corresponding elemental maps of F-ND catalysts, showing the distributions of C K (green), O K (yellow), and F K (blue).