(4NPEA)2PbI4 (4NPEA = 4-Nitrophenylethylammonium): Structural, NMR, and Optical Properties of a 3 × 3 Corrugated 2D Hybrid Perovskite
化学
钙钛矿(结构)
结晶学
作者
Marie-Hélène Tremblay,Félix Thouin,Johannes Leisen,John Bacsa,Ajay Ram Srimath Kandada,Justin M. Hoffman,Mercouri G. Kanatzidis,Aditya D. Mohite,Carlos Silva,Stephen Barlow,Seth R. Marder
(4NPEA)2PbI4 (4NPEA = 4-nitrophenylethylammonium) is the first 3 × 3 corrugated 2D organic-Pb/I perovskite. The nitro groups are involved in cation–cation and cation-iodide interactions. The structure contains both highly distorted and near-ideal PbI6 octahedra, consistent with the observation of two 207Pb NMR resonances, while the optical properties resemble those of other 2D perovskites with distorted PbI6 octahedra.