Core–shell PEDOT:PSS/SA composite fibers fabricated via a single-nozzle technique enable wearable sensor applications,Journal of Materials Chemistry C

当前位置： X-MOL 学术 › J. Mater. Chem. C › 论文详情

Our official English website, www.x-mol.net, welcomes your feedback! (Note: you will need to create a separate account there.)

Core–shell PEDOT:PSS/SA composite fibers fabricated via a single-nozzle technique enable wearable sensor applications
Journal of Materials Chemistry C ( IF 5.7 ) Pub Date : 2020/02/17 , DOI: 10.1039/c9tc05527d
Mingxu Wang _{1,

2,

3,

4,

5} , Qiang Gao _{1,

2,

3,

4,

5} , Jiefeng Gao _{1,

2,

3,

4} , Chunhong Zhu _{6,

7,

8} , Kunlin Chen _{4,

5,

9,

10,

11}

Affiliation

To improve the mechanical properties of pure poly(3,4-ethylenedioxythiophene):poly(styrene sulfonate) (PEDOT:PSS) fibers with inferior spinnability, sodium alginate (SA) as a modifier was added to the spinning solution to prepare PEDOT:PSS/SA composite fibers with high processability, and they were applicable in various wearable fields. Interestingly, continuous core–shell PEDOT:PSS/SA composite fibers were fabricated via a single-nozzle technique with regular needles instead of coaxial needles. The transparent shell wrapped on the surface of the fibers was proven to be an SA gel. Additionally, the mechanical properties of the composite fibers were opposite in the dry and wet states. The former was strong yet brittle, while the latter was weak yet ductile (typical properties of an SA hydrogel). The presence of SA shells improved the stability and durability of the electroconductive composite fibers. Combined with several simple proof-of-concept experiments, the PEDOT:PSS/SA composite fibers are demonstrated to be a promising candidate for wearable sensors.

中文翻译：

通过单喷嘴技术制造的核-壳PEDOT：PSS / SA复合纤维可实现可穿戴传感器的应用

为了改善可纺性较差的纯聚（3,4-乙撑二氧噻吩）：聚（苯乙烯磺酸盐）（PEDOT：PSS）纤维的机械性能，将海藻酸钠（SA）作为改性剂添加到纺丝溶液中以制备PEDOT：PSS / SA复合纤维具有较高的可加工性，可应用于各种耐磨领域。有趣的是，连续的核-壳PEDOT：PSS / SA复合纤维是通过使用普通针而不是同轴针的单喷嘴技术。包裹在纤维表面的透明壳被证明是SA凝胶。另外，复合纤维的机械性能在干态和湿态下是相反的。前者坚固而脆，而后者则脆弱而易延展（SA水凝胶的典型特性）。SA壳的存在改善了导电复合纤维的稳定性和耐久性。结合几个简单的概念验证实验，PEDOT：PSS / SA复合纤维被证明是可穿戴传感器的有希望的候选者。

更新日期：2020-04-03

点击分享查看原文

点击收藏

阅读更多本刊最新论文本刊介绍/投稿指南11