Persistent PbI 2 -Passivated Microdomains in As-Prepared MAPbI 3 Perovskite Thin Film Revealed by Spatially Resolved Photoluminescence and Raman Maps. - Kim, Bong-Geun; Choi, Jiwon; Seo, Taeji; Kim, Hyun Sung; Kwak, Minseok; Jang, Joonkyung; Lee, Songyi; Park, Myeongkee (Crystals (2073-4352), 2025)