Martensitic transition in molecular crystals for dynamic functional materials,Chemical Society Reviews

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Martensitic transition in molecular crystals for dynamic functional materials
Chemical Society Reviews ( IF 40.4 ) Pub Date : 2020-10-06 , DOI: 10.1039/d0cs00638f
Sang Kyu Park _{1,

2,

3,

4} , Ying Diao _{1,

2,

3,

4}

Affiliation

Molecular martensitic materials are an emerging class of smart materials with enormous tunability in physicochemical properties, attributed to the tailored molecular and crystal structures through molecular design. This class of materials exhibits ultrafast and reversible structural transitions in response to thermal and mechanical stimuli, which underlies fascinating properties such as thermoelasticity, superelasticity, ferroelasticity, and shape memory effect. These dynamic properties are not widely explored in molecular crystals and therefore molecular martensitic materials represent a new frontier in the field of solid-state chemistry. In martensitic transitions, the materials not only exhibit substantial shape changes but also remember the functions in the associated polymorphic phases. This suggests promising applicability towards light-weight actuators, lifts, dampers, sensors, shape-/function-memory and ultraflexible optoelectronic devices. In this article, we review characteristics, detailed transition mechanisms, and potential applications of molecular martensitic materials. In particular, we aim to describe transition characteristics by collecting cases with similar transition principles in order to glean insights into further advancement of molecular martensitic materials. Overall, we believe that molecular martensitic materials are emerging as the next generation smart materials that have shown promise in advancing a wide range of domains of applications.

中文翻译：

动态功能材料的分子晶体中的马氏体转变

分子马氏体材料是一类新兴的智能材料，在理化特性上具有巨大的可调节性，这归因于通过分子设计定制的分子和晶体结构。这类材料响应于热和机械刺激而显示出超快和可逆的结构转变，其基础是令人着迷的特性，例如热弹性，超弹性，铁弹性和形状记忆效应。这些动态特性在分子晶体中未被广泛地探索，因此分子马氏体材料代表了固态化学领域的一个新领域。在马氏体转变中，材料不仅表现出明显的形状变化，而且还记住相关多态相中的功能。这表明有望应用于轻型致动器，升降机，阻尼器，传感器，形状/功能记忆和超柔性光电设备。在本文中，我们回顾了分子马氏体材料的特性，详细的转变机理以及潜在的应用。特别是，我们旨在通过收集具有相似过渡原理的案例来描述过渡特征，以收集对分子马氏体材料进一步发展的见识。总的来说，我们认为分子马氏体材料正在作为下一代智能材料而出现，它们已经显示出在广泛应用领域中的发展前景。详细的转变机理以及分子马氏体材料的潜在应用。特别是，我们旨在通过收集具有相似过渡原理的案例来描述过渡特征，以收集对分子马氏体材料进一步发展的见识。总的来说，我们认为分子马氏体材料正在作为下一代智能材料而出现，它们已经显示出在广泛应用领域中的发展前景。详细的转变机理以及分子马氏体材料的潜在应用。特别是，我们旨在通过收集具有相似过渡原理的案例来描述过渡特征，以收集对分子马氏体材料进一步发展的见识。总的来说，我们认为分子马氏体材料正在作为下一代智能材料而出现，它们已经显示出在广泛应用领域中的发展前景。

更新日期：2020-11-03

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