The combination of two similar ‘disc-shaped’ organo-cations is shown to template the formation of (110)-cut layered perovskites of stoichiometry AA′BX4.

This document is confidential and is proprietary to the American Chemical Society and its authors. Do not copy or disclose without written permission. If you have received this item in error, notify the sender and delete all copies. Structural diversity in layered hybrid perovskites, A2PbBr4or AA′PbBr4, templated by small disc-shaped amines

Three new layered hybrid perovskites are reported. (TzH)2PbCl4 undergoes a unique structural phase transition, due to ‘rippling’ of perovskite-like layers.