Frame A: normalized single-site absorption lineshape function [see Eqs. (2.1) and (3.1)]. In the main frame, the narrow ZPL is cut off to better show the broad PSB function. The inset shows a close-up of the ZPL region. Frame B: normalized preburn and postburn probability density functions for burned pigments and using the absorption lineshape function from frame A. See text and Eq. (2.8) (first equality) for details. Note that the integrated intensities of both curves are equal. The ZPL is again cut off to reveal the PSB; the real intensity of the ZPL is approximately the same as in frame A.
Functions and from Eq. (2.8) calculated for the same parameters as in Fig. 1. In the main frame, the narrow ZPLs are cut off to allow a clear view of the PSB region; the full ZPLs are shown in the insets.
FLN (blue) and (red) spectra calculated according to Eqs. (2.3) and (2.8) for various excitation frequencies across the SDF (thin gray curve). Excitation frequencies reported are relative to the SDF peak.
Frame A: PSB areas of normalized FLN (blue triangles) and (red circles) spectra from Fig. 3 (and other curves not shown). The solid line shows the true PSB area of the normalized single-site fluorescence lineshape function, equal to . Frame B: apparent HR factors calculated from spectra with (blue triangles) and without (red circles) pseudo-PSB correction according to Eq. (1.1). The thick black line shows the true HR factor.
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