Fig. 1: Perovskite scintillator performance summary and self-wavelength shifting schematic diagram.
From: Self-wavelength shifting in two-dimensional perovskite for sensitive and fast gamma-ray detection

a The scatter diagram of luminescence lifetime versus optical transparency for the reported perovskite-based scintillators. b The schematic illustration of the energy level and exciton funneling process of the self-wavelength shifting in two-dimensional perovskites.