Fig. 4: Charge-carrier dynamics.
From: High performance flexible Sn-Pb mixed perovskite solar cells enabled by a crosslinking additive
a Steady-state PL spectra of perovskite films. b Dark J–V curves of the PSCs. c I–V curves of the hole-only devices. d Nyquist plots of the PSCs and the inset shows the equivalent circuit diagram used for calculation.
