Fig. 1: Synthetic illustration and morphology characterizations.

a Schematic illustration of the synthesis process of photocatalysts; b Adsorption energy of NH3; c The energy change of the NH3 reaction process; d The formation energy of nitrogen atoms at different sites; e AFM images of prepared samples; f N2 adsorption-desorption isotherms curves, and g pore size distribution curves of prepared samples. Source data are provided as a Source Data file.