Citation: Guo, Yuan-Yuan; Yang, Lin-Jie; McNulty, Jason A.; Slawin, Alexandra M. Z.; Lightfoot, Philip (2020). Structural variations in (001)-oriented layered lead halide perovskites, templated by 1,2,4-triazolium.. Dalton transactions (Cambridge, England : 2003), 49, pp. 17274-17280.