Fig. 5: Catalytic mechanism and applicability.
From: Activating plasmonic catalysis through light-mediated steady-state spin modulation
a In-situ Raman spectra for photoelectrochemical NO3RR by Au-CoFe2O4@SiO2. b DFT calculation of the free energy diagrams for NO3RR with the HS (red) and LS (blue) plasmonic catalyst. c In-situ Raman investigation of the nitrate activation behavior. d ICOHP calculations of ammonia energy levels adsorbed on HS or LS plasmonic catalyst. e Radar map of the light-driven plasmonic catalytic performance for Au-CoFe2O4@SiO2 with/without illumination (red/black) and CoFe2O4-only in dark (blue). f Purely photocatalytic nitrate reduction performance for Au-CoFe2O4@SiO2. Retest: 3 times. g NO3RR catalytic performance as a function of external field intensity. h Generality of the plasmon-mediated spin modulation strategy.
