The photophysics of 2D layered Ruddlesden-Popper perovskites is still lively debated. Here, authors address the exciton stability of perovskites in form of film and single crystal by resonant injection of cold excitons and probe the exciton dissociation with femtosecond differential transmission.
- Angelica Simbula
- Luyan Wu
- Giovanni Bongiovanni