Extended Data Fig. 5: Fluence-dependent exciton lifetime.
From: Single-photon superradiance in individual caesium lead halide quantum dots
TRPL decay of a 30 nm CsPbBr3 (a) and CsPb(Br/Cl)3 (b) QD at different excitation fluences, respectively. The exciton lifetime is essentially fluence-independent. The discernable small lifetime elongation under strong laser illumination is attributed to a local heating effect induced by the laser spot.
