Fig. 11: Time-resolved microwave conductivity measurement in perovskite films with lower background conductivities.
From: Advanced spectroscopic techniques for characterizing defects in perovskite solar cells
a Schematic illustration of the TRMC measurement. b TRMC transients as a function of the laser power \({I}_{0}\). c Transient \(\triangle G\) vs time induced by 530 nm laser light (1011 photons cm−2pulse−1) for perovskite films with 5 mg mL−1 BABr with and without thermal annealing. Reproduced with permission from ref. 74, copyright (American Chemical Society, 2022).
