1. Compositional heterogeneity in CsyFA1−yPb(BrxI1−x)3 perovskite films and its impact on phase behavior. Issue 12 (25th October 2021) Authors: Barrier, Julien; Beal, Rachel E.; Gold-Parker, Aryeh; Vigil, Julian A.; Wolf, Eli; Waquier, Louis; Weadock, Nicholas J.; Zhang, Zihan; Schelhas, Laura T.; Nogueira, Ana Flavia; McGehee, Michael D.; Toney, Michael F. Journal: Energy & environmental science Issue: Volume 14:Issue 12(2021) Page Start: 6394 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗