Pb:Sn Ratio-Driven Polytypism and Band Modulation in Photoresponsive Hexagonal Perovskitoids - Taylor E. Wiggins; Abdulaziz S. R. Bati; Mikaël Kepenekian; Robert P. Reynolds; Stefan Zeiske; Anastasia D. Pournara; Cheng Liu; Yi Yang; Xianfu Zhang; Isaiah W. Gilley; Bin Chen; Jacky Even; et al. (Journal of the American Chemical Society, 2025)