Fig. 3
Characteristics of trap densities. TPRL measurements of (a) pristine and (b) RbBr-rich 〈n〉Rb0.6 = 3 films. c The PL lifetime for 3D Rb0.6Cs0.4PbBr3, pristine, and RbBr-rich 〈n〉Rb0.6 = 3 films. d Trap density of states (tDOS) for pristine and RbBr-rich 〈n〉Rb0.6 = 3 perovskite in TAS analysis. Current–voltage (J–V) response of (e) pristine and (f) RbBr-rich 〈n〉Rb0.6 = 3 films in SCLC measurement
