Fig. 4: Exciton and charge dynamics. | Nature Communications

Fig. 4: Exciton and charge dynamics.

From: Improved photovoltaic performance and robustness of all-polymer solar cells enabled by a polyfullerene guest acceptor

Fig. 4

Transient absorption spectra (TAS) of a PM6:PY-V-γ, b PM6:PY-V-γ:PCBM, and c PM6:PY-V-γ:PFBO-C12 blend films excited at 800 nm. TAS of d PM6:PY-V-γ, e PM6:PY-V-γ:PCBM, and f PM6:PY-V-γ:PFBO-C12 blend films excited at 370 nm. Kinetics of GSB of PM6 (630–640 nm) for PM6:PY-V-γ, PM6:PY-V-γ:PCBM and PM6:PY-V-γ:PFBO-C12 blends excited at g 800 nm and h 370 nm, respectively. i Kinetics of GSB of PY-V-γ (820–840 nm) for PM6:PY-V-γ, PM6:PY-V-γ:PCBM and PM6:PY-V-γ:PFBO-C12 blends excited at 370 nm. Source data are provided as a Source Data file.

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