Fig. 2: Passivation of Sn-Pb perovskite film surface with Sn(SCN)2.
From: A near-infrared Sn-Pb perovskite imager with monolithic integration
a, b Top-view SEM images of Sn-Pb perovskite films. c AFM images of Sn-Pb perovskite films. d Profiling surface roughness along the white dash line in (c). e KPFM images of Sn-Pb perovskite films. f Profiling surface potential along the white dash line in (e). g Steady-state PL spectra of Sn-Pb perovskite films deposited on bare glass. h TRPL spectra of Sn-Pb perovskite films deposited on bare glass. i DLCP measurements for Sn-Pb perovskite films
