Fig. 10: Pump-push-probe spectra of MAPbI3 perovskite films.
From: Advanced spectroscopic techniques for characterizing defects in perovskite solar cells
Plot of differential absorption \((\Delta A)\) signal with respect to time delay showing the normalized pump-push-probe kinetics with a 1500 nm push-pulse and b 1630 nm push-pulse. Reproduced with permission from ref. 72, copyright (American Chemical Society, 2021).
