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Dependence of bleaching recovery lifetime determined from the inverse slope of the kinetic fit of 1/ΔA vs time. Measurements were carried out with (A) FTO/TiO2/CsPbBr3 and (B) FTO/CsPbBr3 electrodes in deaerated DCM containing 0.1 M Bu4NPF6 electrolyte. The electrodes were biased at set potentials in the range −0.6 to +0.5 V vs Ag/AgCl and excited with 387 nm laser pulse to record time-resolved transient absorption spectra.
