Precise design and preparation of two 3D organic–inorganic perovskite ferroelectrics (1,5-diazabicyclo[3.2.2]nonane)RbX3 (X = Br, I)?

Chemical Communications Pub Date: 2022-07-19 DOI: 10.1039/D2CC02673B

Abstract

Compared with the spherical molecule 1,4-diazoniabicyclo[2.2.2]-octane (2.2.2-dabco), 1,5-diazabicyclo[3.2.2]nonane (3.2.2-dabcn) bears a lower symmetry and larger size. As expected, reactions of 3.2.2-dabcn with rubidium halides gave two 3D molecular ferroelectrics [3.2.2-H2dabcn]RbX3 (X = Br for 1; X = I for 2) with Tc at 342 K (1) and 293 K (2).

Graphical abstract: Precise design and preparation of two 3D organic–inorganic perovskite ferroelectrics (1,5-diazabicyclo[3.2.2]nonane)RbX3 (X = Br, I)
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