A new crown-ether clathrate [15-crown-5][Y(NO3)2(H2O)5][NO3] with switchable dielectric constant behaviour

Xiang, Lin; Luo, Wang; Yue, Zhi-Yuan; Huang, Yu-Ching; Wang, Na; Miao, Le‐Ping; Ye, Heng‐Yun; Shi, Chao

doi:10.1039/d2nj03493j

New J. Chem.

2022

DOI: 10.1039/d2nj03493j

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A new crown-ether clathrate [15-crown-5][Y(NO₃)₂(H₂O)₅][NO₃] with switchable dielectric constant behaviour

Lin Xiang

Wang Luo

Zhi-Yuan Yue

et al.

Abstract: Molecular-based switchable dielectrics with distinct changes of dielectric constant, which enable conversion of electronic properties between different states under external stimuli, are technologically important. The crown-ether clathrate system is a...

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2024

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Phase Transition and Switchable Dielectric Properties of a Three-Dimensional Hydrogen-Bonding Framework Based on Cobalt (Ⅲ), o-Bromoaniline, and 18-Crown-6

Hu,

Yan,

Wang

et al. 2024

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The organic–inorganic hybrid compound, (o-BrAH)[H2Co(CN)6]0.5·(18-crown-6)0.5·H2O, was synthesized and characterized by variable-temperature X-ray diffraction, single-crystal diffraction, infrared spectroscopy, elemental analysis, thermogravimetric analysis, differential scanning calorimetry, and dielectric measurements. Single-crystal X-ray diffraction revealed a three-dimensional cage-like structure formed through the hydrogen bonds of cobalt hexacyanide, supermolecular cations, and water molecules. Temperature variation triggered an abrupt change in the cage structure and simultaneously caused dynamic oscillation of the supramolecules within the framework of [Co(CN)6]3−, inducing a phase transition accompanied by a step-like change in the dielectric physical properties.

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Phase Transition and Switchable Dielectric Properties of a Three-Dimensional Hydrogen-Bonding Framework Based on Cobalt (Ⅲ), o-Bromoaniline, and 18-Crown-6

Hu,

Yan,

Wang

et al. 2024

Crystals

Self Cite

View full text Add to dashboard Cite

show abstract

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A new crown-ether clathrate [15-crown-5][Y(NO₃)₂(H₂O)₅][NO₃] with switchable dielectric constant behaviour

Abstract: Molecular-based switchable dielectrics with distinct changes of dielectric constant, which enable conversion of electronic properties between different states under external stimuli, are technologically important. The crown-ether clathrate system is a...

Cited by 1 publication

References 56 publications

Phase Transition and Switchable Dielectric Properties of a Three-Dimensional Hydrogen-Bonding Framework Based on Cobalt (Ⅲ), o-Bromoaniline, and 18-Crown-6

Phase Transition and Switchable Dielectric Properties of a Three-Dimensional Hydrogen-Bonding Framework Based on Cobalt (Ⅲ), o-Bromoaniline, and 18-Crown-6

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