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. 2026 Jan 10;17:712. doi: 10.1038/s41467-025-67351-x

Fig. 4. Excited-state kinetics measured by TAS.

Fig. 4

a TAS color maps of S9SBH-F, S9S3B-F, S9SHO-F and S9SHN-F neat films, respectively. The assignments of signals are as follows: GSBA: 850–900 nm; LE: 930–950 nm; DSE: 1600 nm; T1: 1450 nm. Normalized TAS spectra probed at b 0.5 ps and c 1000 ps in different NFA films. The data in (b, c) are normalized to the minima of GSBAs, respectively. d The temporal progressions of GSBA peaks in different NFA films. e The TAS color map of D18:S9SHO-F blend film. GSBA: 850–860 nm; LE: 930 nm; DSE: 1600 nm; T1: 1450 nm; GSBD: 590 nm; CS: 630 and 800 nm, and 900–950 nm. f Normalized TAS spectra probed at 1000 ps in different blend films. g Normalized TAS dynamics probed around 1450 nm (T1) in different blend films. The data in (f, g) are normalized to the minima of GSBAs, respectively.