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Intermolecular Forces and Physical Properties

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Green Synthesis of Quinoline-Based Ionic Liquid

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Published on: September 27, 2024

Parallel developments in aprotic and protic ionic liquids: physical chemistry and applications.

C Austen Angell¹, Nolene Byrne, Jean-Philippe Belieres

¹Department of Chemistry and Biochemistry, Arizona State University, Tempe, Arizona 85287-1604, USA caa@asu.edu

Accounts of Chemical Research

|November 6, 2007

Summary

Research on low-melting molten salts, now known as ionic liquids, spans decades. Studies reveal insights into their properties and applications in energy conversion and biopreservation, with a focus on protic ionic liquids.

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Area of Science:

Materials Science
Physical Chemistry
Chemical Engineering

Background:

The field of low-melting molten salts and hydrates has evolved significantly since the 1960s.
These materials are now widely recognized and researched under the term "ionic liquids" (ILs).
Research has primarily been conducted in Australia and the USA.

Purpose of the Study:

To provide a comprehensive account of research on low-melting molten salts and ionic liquids.
To highlight the understanding gained from spectroscopic, dynamic, and thermodynamic studies.
To showcase recent applications in energy conversion and biopreservation.

Main Methods:

Spectroscopic studies to understand molecular structure and interactions.
Dynamic studies to investigate transport properties and behavior.
Thermodynamic studies to determine phase behavior and stability.

Main Results:

Detailed understanding of the properties of both protic and aprotic ionic liquids.
Identification of unique applications for ionic liquids in energy conversion technologies.
Demonstration of ionic liquids' utility in biopreservation techniques.

Conclusions:

Recent research has increasingly focused on protic ionic liquids due to their unique properties.
The tunable proton activity in protic ionic liquids enables specialized applications.
Ionic liquids represent a versatile class of materials with broad applicability.