Elastically flexible molecular crystals

被引：133

作者：

Thompson, Amy J. ^{[1
]}

Chamorro Orue, Analia I. ^{[1
]}

Nair, Akshay Jayamohanan ^{[1
]}

Price, Jason R. ^{[2
]}

McMurtrie, John ^{[3
,4
]}

Clegg, Jack K. ^{[2
]}

机构：

[1] Univ Queensland, Sch Chem & Mol Biosci, St Lucia, Qld 4072, Australia

[2] Australian Synchrotron, ANSTO Melbourne, 800 Blackburn Rd, Clayton, Vic 3168, Australia

[3] Queensland Univ Technol, Fac Sci & Engn, Sch Chem & Phys, GPO Box 2434, Brisbane, Qld 4001, Australia

[4] Queensland Univ Technol, Ctr Mat Sci, GPO Box 2434, Brisbane, Qld 2001, Australia

来源：

CHEMICAL SOCIETY REVIEWS | 2021年 / 50卷 / 21期

基金：

澳大利亚研究理事会;

关键词：

ORGANIC-CRYSTALS; MECHANICAL-PROPERTIES; SINGLE-CRYSTAL; FLUORESCENT; FLEXIBILITY; ANISOTROPY; DESIGN; LIGAND;

D O I：

10.1039/d1cs00469g

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The discovery of molecular single crystals that display interesting elastic behaviour has generated excitement regarding their potential applications as it has upended the common perception of crystals as brittle objects. In order to design new functional materials based on molecular crystals, a comprehensive understanding of how these materials respond to deformation on a molecular-level is required. An introduction to the underlying mechanical theory and how it may be applied to single crystals is provided, along with a comprehensive discussion on how these mechanical properties can be characterised. While this field has already presented a large number of elastically flexible crystals, there is a lack of detailed mechanical characterisation data and some contention regarding the atomic-scale mechanism of elasticity. Due to the discrepancies and contradictions between theories proposed in the literature, it is not yet understood why some crystals are elastic while others shatter under applied force. To dispel ambiguity and guide future research, a set of criteria are proposed to define an elastically flexible crystal, so that these materials may find applications among future technologies.

引用

页码：11725 / 11740

页数：16

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