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Microstructure of Deep Eutectic Solvents: Current Understanding and Challenges
The Journal of Physical Chemistry B ( IF 2.8 ) Pub Date : 2020-11-05 , DOI: 10.1021/acs.jpcb.0c07934
Supreet Kaur 1 , Monika Kumari 1 , Hemant K. Kashyap 1
Affiliation  

In the past decade, researchers have put forth a lot of efforts to conceive a precise structural arrangement and properties of deep eutectic solvents (DESs) that provide designer pathways in order to broaden the application domain of these solvents. However, these contributions are limited to a few experimental and computational techniques. In this review, we have encompassed experimental techniques employed to establish the structure–property relationship of bulk DESs along with recent growth witnessed in this domain from a computational perspective. The nanostructuring plays an important role in various task specific applications of DESs. These solvents are found to exhibit unique heterogeneity at nanolength scales, the origin of which is unique and primarily depends on the constituent species involved. The hygroscopic nature of some DESs makes it crucial to explore the structural anatomy of hydrated DESs. Hence, this opens another subdomain to explore the impact of hydration on the bulk microscopic structure of DES and to know whether the nature is destructuring or structuring with respect to the neat solvents. This review highlights the recent successes attained in developing a thorough bulk microstructural understanding of neat and hydrated DESs.

中文翻译:

深共晶溶剂的微观结构:当前的认识和挑战

在过去的十年中,研究人员付出了很多努力来构想深共熔溶剂(DES)的精确结构安排和特性,这些设计可为设计者提供途径,以拓宽这些溶剂的应用范围。但是,这些贡献仅限于一些实验和计算技术。在这篇综述中,我们涵盖了用于建立大容量DES的结构与属性关系的实验技术,以及从计算角度来看该领域最近的增长。纳米结构在DES的各种特定任务应用中起着重要作用。发现这些溶剂在纳米级上表现出独特的异质性,其起源是独特的,并且主要取决于所涉及的组成物种。一些DES的吸湿性使其对于探索水合DES的结构解剖至关重要。因此,这打开了另一个子域,以探索水合作用对DES整体微观结构的影响,并了解自然界是相对于纯溶剂而言是破坏性的还是结构化的。这篇综述着重说明了在开发对纯净和水合DES的彻底的整体微观结构理解方面取得的最新成就。
更新日期:2020-11-25
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