Effects of Zwitterions on Structural Anomalies in Ionic Liquid Glasses Studied by EPR | Sciact - CRIS-system of Boreskov Institute of Catalysis

Effects of Zwitterions on Structural Anomalies in Ionic Liquid Glasses Studied by EPR Full article

Journal

Nanomaterials
, E-ISSN: 2079-4991

Output data

Year: 2023, Volume: 13, Number: 15, Article number : 2164, Pages count : 11 DOI: 10.3390/nano13152164

Tags

ionic liquids; zwitterionic liquids; librations; heterogeneities; nanostrucruting; EPR spectroscopy

Authors

Bakulina Olga D. ^1,2 , Ivanov Mikhail Yu. ^1,2 , Prikhod’ko Sergey A. ³ , Adonin Nicolay Yu. ³ , Fedin Matvey V. ^1,2

Affiliations

1	International Tomography Center SB RAS, Institutskaya Street 3a, 630090 Novosibirsk, Russia
2	Physics Department, Novosibirsk State University, Pirogova Street 2, 630090 Novosibirsk, Russia
3	Boreskov Institute of Catalysis SB RAS, Lavrentiev Avenue 5, 630090 Novosibirsk, Russia

Funding (1)

Russian Science Foundation

19-13-00071

Ionic liquids (ILs) form a variety of nanostructures due to their amphiphilic nature. Recently, unusual structural phenomena have been found in glassy ILs near their glass transition temperatures; however, in all studied cases, IL cations and anions were in the form of separate moieties. In this work, we investigate for the first time such structural anomalies in zwitterionic IL glasses (ZILs), where the cation and anion are bound in a single molecule. Such binding reasonably restricts mutual diffusion of cations and anions, leading to modification of nano-ordering and character of structural anomalies in these glassy nanomaterials, as has been investigated using Electron Paramagnetic Resonance (EPR) spectroscopy. In particular, the occurrence of structural anomalies in ZIL glasses was revealed, and their characteristic temperatures were found to be higher compared to common ILs of a similar structure. Altogether, this work broadens the scope of structural anomalies in ionic liquid glasses and indicates new routes to tune their properties.

Bakulina O.D. , Ivanov M.Y. , Prikhod’ko S.A. , Adonin N.Y. , Fedin M.V.
Effects of Zwitterions on Structural Anomalies in Ionic Liquid Glasses Studied by EPR
Nanomaterials. 2023. V.13. N15. 2164 :1-11. DOI: 10.3390/nano13152164 WOS Scopus РИНЦ AN PMID OpenAlex

Submitted:	Jul 8, 2023
Accepted:	Jul 23, 2023
Published online:	Jul 26, 2023
Published print:	Aug 1, 2023

Web of science:	WOS:001045637700001
Scopus:	2-s2.0-85167736968
Elibrary:	54381778
Chemical Abstracts:	2023:1716822
PMID:	37570482
OpenAlex:	W4385319910

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