Citation: Zhang, Huacheng; Lee, Juhoon; Brewster, 2nd, James T; Chi, Xiaodong; Lynch, Vincent M.; Sessler, Jonathan L. (2019). Cation-based Structural Tuning of Pyridine Dipyrrolate Cages and Morphological Control over Their Self-assembly.. Journal of the American Chemical Society, 141, pp. 4749-4755.