Fig. 4: Photocatalytic H2-production activities and charge carrier kinetics of NiPS3/CdS system. | Nature Communications

Fig. 4: Photocatalytic H2-production activities and charge carrier kinetics of NiPS3/CdS system.

From: NiPS3 ultrathin nanosheets as versatile platform advancing highly active photocatalytic H2 production

Fig. 4

a Photocatalytic H2-production rates of 0.0N, 5.0N, 10.0N, 20.0N, 30.0N and NiPS3 UNSs in ~17.0 vol% triethanolamine aqueous solution using visible-light illumination (λ > 400 nm). b Steady-state and c transient-state PL spectra of 0.0N and 20.0N. c Inset shows the fitting charge lifetimes for 0.0N and 20.0N. 2D pseudocolor TA spectra of d 0.0N and e 20.0N in ethanol solution after the excitation with a 400 nm laser pulse. The TA spectra of f 0.0N and g 20.0N at different pump-probe delay time. h Normalized decay kinetics and fitting lines for 0.0N and 20.0N taken through the GSB peaks at ~516 and ~514 nm, respectively. i Normalized decay kinetics and fitting lines for 0.0N and 20.0N taken through the ESA peaks at ~480 and ~474 nm, respectively.

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