Fig. 4: Carrier dynamics at the PVSK/NFA interface and within the NFA bulk. | Nature Communications

Fig. 4: Carrier dynamics at the PVSK/NFA interface and within the NFA bulk.

From: Supramolecular force-driven non-fullerene acceptors as an electron-transporting layer for efficient inverted perovskite solar cells

Fig. 4

a–d TA spectra of a PVSK, b PVSK/Y6, c PVSK/Y-Phen, and d PVK/Y-CE films at different time delays. e Corresponding TA decay kinetics. f Confocal PL mapping images for PVSK and PVSK/NFA films. The collection range was set from 700–800 nm, with a scale bar of 10 μm.

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