Facet‐Dependent Charge Dynamics of 2D Butylammonium Lead Bromide Perovskite Single Crystals. - Yousaf, Tanzeela; Lee, Su‐Min; Shim, Hongjae; Yun, Jae Sung; Yun, Jung Ho; Kim, Jincheol; Seidel, Jan (Small Structures, 2026)