期刊
AUSTRALIAN JOURNAL OF CHEMISTRY
卷 75, 期 11, 页码 893-898出版社
CSIRO PUBLISHING
DOI: 10.1071/CH22126
关键词
Blatter; electrochemistry; ionic liquids; nitroxide; polymer composite; radicals; redox active material; verdazyl
资金
- Australian Research Council (ARC) Discovery Early Career Researcher Award [DE180100112]
- Australian Research Council [DE180100112] Funding Source: Australian Research Council
Stable organic radicals are important for various applications such as energy storage and molecular electronics. Recent studies have shown promise in using ionic liquids as solvents to stabilize these radicals and reduce side reactions. However, the choice of ionic liquid needs to be refined based on the specific radical species.
Stable organic radicals have an open shell structure that makes them suitable for use in a diverse set of applications. Specifically, it is the reversible one-electron redox behaviour that makes these species suitable for energy storage and in molecular electronics. Maintaining chemical stability, low redox potential and charge transfer capabilities, are key to the further development of these materials. To date, researchers have largely focused on the the preparation of new molecules with improved redox capabilities for use in traditional solvents. More recently exploration into the use of ionic liquids to stabilise charged species and reduce side reactions has shown promise. Computational and preliminary experimental studies have explored the impact of ionic liquids on radical stabilisation, and notable improvements have been observed for nitroxide-based materials when traditional solvents are replaced by ionic liquids. However, these gains require significant refinement based on the identity of the radical species and the ionic liquid. In this highlight, we focus on the current state of using ionic liquids as solvents to stabilise organic radicals and suggestions on the future direction of the field.
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