Fig. 4 | Nature Communications

Fig. 4

From: Collective excitation of plasmon-coupled Au-nanochain boosts photocatalytic hydrogen evolution of semiconductor

Fig. 4

Photocatalytic performance and mechanistic insights. a Photocatalytic H2 evolution activity of pure Zn0.67Cd0.33S and Au@Zn0.67Cd0.33S with different spatial arrangement of Au nanoparticles under visible light irradiation (≥420 nm); blue columns represent the enhancement promoted by plasmonic-Au nanostructures. b Illustration for the proximity of semiconductor to the electromagnetic fields of plasmonic Au nanoparticles. c Photoluminescence (PL) emission spectra of pure Zn0.67Cd0.33S and different Au@Zn0.67Cd0.33S samples, excitation wavelength: 390 nm. d PL lifetime decay of pure Zn0.67Cd0.33S and different Au@Zn0.67Cd0.33S samples, excitation wavelength: 400.8 nm

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