Fig. 4: Charge lifetime of photocatalysts. | Nature Communications

Fig. 4: Charge lifetime of photocatalysts.

From: Charge redistribution of a spatially differentiated ferroelectric Bi4Ti3O12 single crystal for photocatalytic overall water splitting

Fig. 4

a TRPL spectra of BTO in different etching time evolution processes, from top to bottom: BTO-2, BTO-1, BTO-0.5, BTO-0.25, and BTO. The empty dots represent the decay curves and the straight lines are the corresponding fit curves. b Lifetime evolution with the extended etching time. c Etched depth evolution with the extended etching time.

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