Fig. 2: Structure and property of CDs.
From: A metal-free photocatalyst for highly efficient hydrogen peroxide photoproduction in real seawater
a TEM image of CDs with the particle size distribution inserted. b HRTEM image of CDs with FT-IR spectrum inserted. c Schematic diagram of the electron sink model for CDs. The black boll represents a single CD, M+ represents metal cations. d TPV curves of CDs powders before and after adding NaCl.
