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Subtly tuning intermolecular hydrogen bonds in hybrid crystals to achieve ultrahigh-temperature molecular ferroelastic

Molecular-based ferroic phase-transition materials have attracted increasing attention in the past decades due to their promising potential as sensors, switches, and memory. One of the long-term challenges in the development of molecular-based ferroic materials is determining how to promote the ferr...

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Autores principales: Ye, Hui, Chen, Xiao-Xian, Liu, De-Xuan, Zhao, Bing-Qing, Li, Yao-Bin, Zeng, Ying, Zhang, Wei-Xiong, Chen, Xiao-Ming
Formato: Online Artículo Texto
Lenguaje:English
Publicado: The Royal Society of Chemistry 2022
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9728566/
https://www.ncbi.nlm.nih.gov/pubmed/36540826
http://dx.doi.org/10.1039/d2sc04112j
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author Ye, Hui
Chen, Xiao-Xian
Liu, De-Xuan
Zhao, Bing-Qing
Li, Yao-Bin
Zeng, Ying
Zhang, Wei-Xiong
Chen, Xiao-Ming
author_facet Ye, Hui
Chen, Xiao-Xian
Liu, De-Xuan
Zhao, Bing-Qing
Li, Yao-Bin
Zeng, Ying
Zhang, Wei-Xiong
Chen, Xiao-Ming
author_sort Ye, Hui
collection PubMed
description Molecular-based ferroic phase-transition materials have attracted increasing attention in the past decades due to their promising potential as sensors, switches, and memory. One of the long-term challenges in the development of molecular-based ferroic materials is determining how to promote the ferroic phase-transition temperature (T(c)). Herein, we present two new hexagonal molecular perovskites, (nortropinonium)[CdCl(3)] (1) and (nortropinium)[CdCl(3)] (2), to demonstrate a simple design principle for obtaining ultrahigh-T(c) ferroelastic phase transitions. They consist of same host inorganic chains but subtly different guest organic cations featuring a rigid carbonyl and a flexible hydroxyl group in 1 and 2, respectively. With stronger hydrogen bonds involving the carbonyl but a relatively lower decomposition temperature (T(d), 480 K), 1 does not exhibit a crystalline phase transition before its decomposition. The hydroxyl group subtly changes the balance of intermolecular interactions in 2via reducing the attractive hydrogen bonds but increasing the repulsive interactions between adjacent organic cations, which finally endows 2 with an enhanced thermal stability (T(d) = 570 K) and three structural phase transitions, including two ferroelastic phase transitions at ultrahigh T(c) values of 463 K and 495 K, respectively. This finding provides important clues to judiciously tuning the intermolecular interactions in hybrid crystals for developing high-T(c) ferroic materials.
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spelling pubmed-97285662022-12-19 Subtly tuning intermolecular hydrogen bonds in hybrid crystals to achieve ultrahigh-temperature molecular ferroelastic Ye, Hui Chen, Xiao-Xian Liu, De-Xuan Zhao, Bing-Qing Li, Yao-Bin Zeng, Ying Zhang, Wei-Xiong Chen, Xiao-Ming Chem Sci Chemistry Molecular-based ferroic phase-transition materials have attracted increasing attention in the past decades due to their promising potential as sensors, switches, and memory. One of the long-term challenges in the development of molecular-based ferroic materials is determining how to promote the ferroic phase-transition temperature (T(c)). Herein, we present two new hexagonal molecular perovskites, (nortropinonium)[CdCl(3)] (1) and (nortropinium)[CdCl(3)] (2), to demonstrate a simple design principle for obtaining ultrahigh-T(c) ferroelastic phase transitions. They consist of same host inorganic chains but subtly different guest organic cations featuring a rigid carbonyl and a flexible hydroxyl group in 1 and 2, respectively. With stronger hydrogen bonds involving the carbonyl but a relatively lower decomposition temperature (T(d), 480 K), 1 does not exhibit a crystalline phase transition before its decomposition. The hydroxyl group subtly changes the balance of intermolecular interactions in 2via reducing the attractive hydrogen bonds but increasing the repulsive interactions between adjacent organic cations, which finally endows 2 with an enhanced thermal stability (T(d) = 570 K) and three structural phase transitions, including two ferroelastic phase transitions at ultrahigh T(c) values of 463 K and 495 K, respectively. This finding provides important clues to judiciously tuning the intermolecular interactions in hybrid crystals for developing high-T(c) ferroic materials. The Royal Society of Chemistry 2022-11-08 /pmc/articles/PMC9728566/ /pubmed/36540826 http://dx.doi.org/10.1039/d2sc04112j Text en This journal is © The Royal Society of Chemistry https://creativecommons.org/licenses/by-nc/3.0/
spellingShingle Chemistry
Ye, Hui
Chen, Xiao-Xian
Liu, De-Xuan
Zhao, Bing-Qing
Li, Yao-Bin
Zeng, Ying
Zhang, Wei-Xiong
Chen, Xiao-Ming
Subtly tuning intermolecular hydrogen bonds in hybrid crystals to achieve ultrahigh-temperature molecular ferroelastic
title Subtly tuning intermolecular hydrogen bonds in hybrid crystals to achieve ultrahigh-temperature molecular ferroelastic
title_full Subtly tuning intermolecular hydrogen bonds in hybrid crystals to achieve ultrahigh-temperature molecular ferroelastic
title_fullStr Subtly tuning intermolecular hydrogen bonds in hybrid crystals to achieve ultrahigh-temperature molecular ferroelastic
title_full_unstemmed Subtly tuning intermolecular hydrogen bonds in hybrid crystals to achieve ultrahigh-temperature molecular ferroelastic
title_short Subtly tuning intermolecular hydrogen bonds in hybrid crystals to achieve ultrahigh-temperature molecular ferroelastic
title_sort subtly tuning intermolecular hydrogen bonds in hybrid crystals to achieve ultrahigh-temperature molecular ferroelastic
topic Chemistry
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9728566/
https://www.ncbi.nlm.nih.gov/pubmed/36540826
http://dx.doi.org/10.1039/d2sc04112j
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