A three-dimensional lead iodide perovskite analog featuring hydrogen-bonded dual monovalent cations.

ABSTRACT: Three-dimensional (3D) halide perovskites have attracted considerable research interest, yet the selection of A-site cations is restricted by the Goldschmidt tolerance factor. To accommodate cations beyond this acceptable range, novel 3D perovskite analog structures with edge- and face-sharing motifs have been developed. Until now, these structures have been limited to divalent cations due to significant electrostatic repulsion when incorporating two monovalent cations. Herein, we employ a supramolecular synthon mechanism to address the issue and an effective hydrogen-bonding pattern is achieved in a novel 3D lead iodide hybrid perovskite, (ammonium)(morpholinium)Pb₂I₆ (1). The inorganic framework of 1 consists of two edge-shared [PbI₆] octahedra connected

SUBMITTER: Wang W 

PROVIDER: S-EPMC11485049 | biostudies-literature | 2024 Oct

REPOSITORIES: biostudies-literature