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

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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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Publication details

The article was received on 30 Aug 2018, accepted on 26 Oct 2018 and first published on 27 Oct 2018


Article type: Communication
DOI: 10.1039/C8CC07052K
Citation: Chem. Commun., 2018, Advance Article
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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, Advance Article , DOI: 10.1039/C8CC07052K

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