Ultrafast acoustic phonon scattering in CH${}_3$NH${}_3$PbI${}_3$ revealed by femtosecond four-wave mixing

Samuel A. March, Drew B. Riley, Charlotte Clegg +4

Carrier scattering processes are studied in CH${}_3$NH${}_3$PbI${}_3$ using temperature-dependent four-wave mixing experiments. Our results indicate that scattering by ionized impurities…