Abstract
Redox-active but highly durable nitroxide radicals, that is, 2,2,6,6-tetramethylpiperidinyl-4-oxy (TEMPO), enabled direct electrospinning of radical-containing polymers without additional processing aids (such as polymer blends, post-doping, or protection/deprotection) and produced redox-active fibrous membranes with high surface area. The solution rheological behavior of the TEMPO-substituted polymethacrylate was similar to the neutral conventional polymers, and electrospinning of the radical polymers yielded submicrometer-scaled fibrous membranes without any defects on the radical moiety. The obtained membrane exhibited stable redox response, leading to redox catalysts or electrode-active materials toward organic-based flexible rechargeable battery.
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Acknowledgements
This work was partially supported by Grants-in-Aid for JSPS-NSF Research Collaboration Program and Scientific Research (19105003) from MEXT, Japan. This work was also supported by the US Army Research Laboratory and the US Army Research Office under Grant Number DAAD19-02-1-0275 Macromolecular Architecture for Performance (MAP) MURI.
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Suga, T., Hunley, M., Long, T. et al. Electrospinning of radical polymers: redox-active fibrous membrane formation. Polym J 44, 264–268 (2012). https://doi.org/10.1038/pj.2011.120
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DOI: https://doi.org/10.1038/pj.2011.120
