Issue 94, 2018
From the journal:

Chemical Communications

Halogen substitution effects on optical and electrical properties in 3D molecular perovskites†

Meng-Meng Zhao,‡a   Lin Zhou,‡a   Ping-Ping Shi,a   Xuan Zheng,a   Xiao-Gang Chen,a   Ji-Xing Gao,a   Fu-Juan Geng,a   Qiong Ye ORCID logo *a  and  Da-Wei Fu ORCID logo *a  

* Corresponding authors

a Ordered Matter Science Research Center, Jiangsu Key Laboratory for Science and Applications of Molecular Ferroelectrics, Southeast University, Nanjing 211189, People's Republic of China
E-mail: yeqiong@seu.edu.cn, dawei@seu.edu.cn

Abstract

Both 3D organic–inorganic perovskites ([Et3P(CH2)2Cl][Cd(dca)3] (1) and [Et3P(CH2)2F][Cd(dca)3] (2) [dca = dicyanamide, N(CN)2−]) display two sequentially reversible high-temperature phase transitions and switchable dielectric properties. Through halogen substitution, 1 shows exceptional switching behaviour of second harmonic generation effects and remarkably 2 represents the first above-room-temperature 3D ferroelastic material characterized by two ferroelastic phases.

Graphical abstract: Halogen substitution effects on optical and electrical properties in 3D molecular perovskites

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Article information

DOI
https://doi.org/10.1039/C8CC07052K
Article type
Communication
Submitted
30 Aug 2018
Accepted
26 Oct 2018
First published
27 Oct 2018

Chem. Commun., 2018,54, 13275-13278

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Halogen substitution effects on optical and electrical properties in 3D molecular perovskites

M. Zhao, L. Zhou, P. Shi, X. Zheng, X. Chen, J. Gao, F. Geng, Q. Ye and D. Fu, Chem. Commun., 2018, 54, 13275 DOI: 10.1039/C8CC07052K

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