Fig. 2: Ultrafast femtosecond TA results of the organic films. | Nature Communications

Fig. 2: Ultrafast femtosecond TA results of the organic films.

From: Selenium substitution for dielectric constant improvement and hole-transfer acceleration in non-fullerene organic solar cells

Fig. 2

TA contour plots by exciting the acceptors at 800 nm of a PM6:L8-BO, b PM6:L8-BO:T9SBO-F, and c PM6:T9SBO-F. The TA kinetics of the samples excited at 800 nm and probed at d 1300−1500 nm, e 640 nm, and f 1000 nm. g TA spectra of PM6:L8-BO:T9SBO-F upon the excitation of donor at 550 nm. h The TA kinetics of samples excited at 550 nm and probed at 640 nm. i Schematic illustration of the Se-substituted NFA accelerating hole transfer, D means dipole moment. Source data are provided as a Source Data file.

Back to article page