Journal
COMPOSITES COMMUNICATIONS
Volume 27, Issue -, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.coco.2021.100885
Keywords
Urea; Long-term stability; High conductivity; Supercapacitor
Categories
Funding
- National Natural Science Foundation of China [21504033]
- China Postdoctoral Science Foundation [2015M580296]
- Top-notch Academic Programs Project of Jiangsu Higher Education Institutions of China (TAPP)
- Priority Academic Program Development of Jiangsu Higher Education Institutions of China
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This research presents a facile secondary treatment strategy for preparing PEDOT: PSS fibers with excellent durability, maintaining stable electrical conductivity even after long-term storage. The conductivity of urea-treated fibers has been significantly improved, ensuring long-term stability of the supercapacitor made from these fibers.
Reliable stability plays an essential role in the development of wearable electronics, while for fiber-based wearable sensors, it is a big challenge to achieve their long-term stability. Currently, developing facile and rapid methods to obtain conductive fibers with high durability and electrical conductivity is still unremitting. In this work, we report a facile secondary treatment strategy to prepare PEDOT: PSS fibers with excellent durability, which is demonstrated in the fact that the electrical conductivity as well as the electrochemical properties of the fibers remain stable even after a long period of storage. Meanwhile, the conductivity of urea-treated fibers has been remarkably improved compared to that of pristine fibers. It is worth mentioning that enhanced durability not only stabilizes their electrical conductivity, but also enables long-term stability of the supercapacitor made of the fibers. Moreover, this work explores the importance of stability for PEDOT: PSS fiber-based devices, inspiring a unique path for novel fiber design.
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