Fig. 5: Theoretical exploration of the Ag28(GSH)20 NCs catalyst for ROS generation.

a Ag28(GSH)20 NCs and its structural dissection. Colour codes: red = oxygen atom; white = hydrogen atom; dark blue = nitrogen atom; purple/grey = Ag atom; wathet blue = sulfur atom; black = carbon atom. b Active H2O adsorption sites of Ag28(GSH)20 NCs; c–e free energy diagrams of •OH, H2O2, and O2 production pathways on the active adsorption sites of Ag28(GSH)20 NCs.