Fig. 4: Photophysical kinetics in the nanoparticle state. | Nature Chemistry

Fig. 4: Photophysical kinetics in the nanoparticle state.

From: Organic crystalline nanoparticles with a long-lived charge-separated state for efficient photocatalytic hydrogen production

Fig. 4: Photophysical kinetics in the nanoparticle state.The alternative text for this image may have been generated using AI.

a,b, Evolution of fs-TA spectra of IT-PMI NPs in water under ambient conditions during short (a) and long (b) time ranges, respectively (19.7 nJ per pulse). c, Global modelling with evolution-associated spectra. d,e, ns-TA spectra of IT-PMI NPs in water under Ar conditions (10 mJ per pulse) (d) and the selected kinetics traces up to approximately 2 s after ns excitation (e). f, Scheme of the overall dynamics of IT-PMI NPs, parameters from fs-TA and ns-TA. S0, the ground state.

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