Hybrid Dion-Jacobson 2D Lead Iodide Perovskites

Journal of the American Chemical Society
Lingling MaoMercouri G Kanatzidis

Abstract

The three-dimensional hybrid organic-inorganic perovskites have shown huge potential for use in solar cells and other optoelectronic devices. Although these materials are under intense investigation, derivative materials with lower dimensionality are emerging, offering higher tunability of physical properties and new capabilities. Here, we present two new series of hybrid two-dimensional (2D) perovskites that adopt the Dion-Jacobson (DJ) structure type, which are the first complete homologous series reported in halide perovskite chemistry. Lead iodide DJ perovskites adopt a general formula A'A n-1Pb nI3 n+1 (A' = 3-(aminomethyl)piperidinium (3AMP) or 4-(aminomethyl)piperidinium (4AMP), A = methylammonium (MA)). These materials have layered structures where the stacking of inorganic layers is unique as they lay exactly on top of another. With a slightly different position of the functional group in the templating cation 3AMP and 4AMP, the as-formed DJ perovskites show different optical properties, with the 3AMP series having smaller band gaps than the 4AMP series. Analysis on the crystal structures and density functional theory (DFT) calculations suggest that the origin of the systematic band gap shift is the strong but indirect...Continue Reading

Citations

Jan 31, 2019·ChemSusChem·Carmen Ortiz-CervantesDiego Solis-Ibarra
Apr 24, 2019·Advanced Materials·Azhar FakharuddinLukas Schmidt-Mende
Jun 25, 2019·Advanced Materials·Chong WangJiming Bao
Sep 21, 2019·Angewandte Chemie·Nicolas Mercier
May 19, 2020·Advanced Materials·Tingwei HeMingjian Yuan
Jun 24, 2020·Reports on Progress in Physics·Chintam HanmandluChih-Wei Chu
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Jul 1, 2020·Proceedings of the National Academy of Sciences of the United States of America·Lingping KongHo-Kwang Mao
Oct 9, 2018·Physical Review Letters·Peijun GuoRichard D Schaller
Dec 20, 2018·Proceedings of the National Academy of Sciences of the United States of America·Chan Myae Myae SoeMercouri G Kanatzidis
Jan 25, 2020·Beilstein Journal of Nanotechnology·Xianfeng DaiFanan Wei
Apr 5, 2020·Nature Communications·Tingwei HeMingjian Yuan
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Feb 4, 2021·Journal of the American Chemical Society·Eugenia S VasileiadouMercouri G Kanatzidis
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