New Variants of (110)-Oriented Layered Lead Bromide Perovskites, Templated by Formamidinium or Pyrazolium

被引：7
|
作者：
Guo, Yuan-Yuan [1 ,2 ]
Elliott, Clement [1 ,2 ]
McNulty, Jason A. [1 ,2 ]
Cordes, David B. [1 ,2 ]
Slawin, Alexandra M. Z. [1 ,2 ]
Lightfoot, Philip [1 ,2 ]
机构：
[1] Univ St Andrews, Sch Chem, St Andrews KY16 9ST, Fife, Scotland
[2] Univ St Andrews, EaStChem, St Andrews KY16 9ST, Fife, Scotland
来源：
EUROPEAN JOURNAL OF INORGANIC CHEMISTRY | 2021年 / 2021卷 / 33期
关键词：
Crystal engineering; Halides; Layered compounds; Perovskite phases; Polymorphism; IODIDE; CHEMISTRY;
D O I：
10.1002/ejic.202100433
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Four new hybrid lead(II) halide perovskites, gamma-(FA)(2)PbBr4, (FA)(1.5)(AA)(0.5)PbBr4, (PY)(GA)PbBr4 and (PY)(TZ)PbBr4 ((FA)=formamidinium, (AA)=acetamidinium, (PY)=pyrazolium, (GA)=guanidinium and (TZ)=1,2,3-triazolium), adopt (110)-oriented layered perovskite structures. While (PY) is found to template the formation of 'conventional' (110)-oriented structure types (i. e. containing staggered [PbBr4](infinity) layers), (FA) is shown to facilitate formation of much less common variants based 3 : 1 ordering of the interlayer species or 3x2 step-like corrugation of the perovskite-like layers themselves.
引用
收藏
页码：3404 / 3411
页数：8
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