Rashba-Type Band Splitting Effect in 2D (PEA)2PbI4 Perovskites and Its Impact on Exciton-Phonon Coupling. - Ghosh S; Pradhan B; Bandyopadhyay A; Skvortsova I; Zhang Y; Sternemann C; Paulus M; Bals S; Hofkens J; Karki KJ; Materny A (The journal of physical chemistry letters, 2024)