材料科学
同轴
复合材料
复合数
丁苯橡胶
耐久性
弯曲
纤维
聚合物
苯乙烯
计算机科学
共聚物
电信
作者
Jieyu Huang,Qufu Wei,Min Zhao
出处
期刊:ACS applied nano materials
[American Chemical Society]
日期:2023-05-08
卷期号:6 (10): 8743-8751
标识
DOI:10.1021/acsanm.3c01126
摘要
Fiber-based strain sensors have become a vital part for wearable electronics owing to their lightweight, flexibility, and easy processing. A poly(styrene-butadiene-styrene) (SBS)/MXene composite and coaxial fiber-based strain sensors were produced through a continuous, facile, and scalable wet-spinning approach, which exhibited both high stretchability and sensitivity. Electromechanical properties displayed that SBS/MXene composite fibers showed extremely high sensitivity (1.63 × 104), low strain detection (0.5%), and outstanding durability and reliability, which laid a foundation for detecting human motion including subtle activities, such as breathing and wrist pulse, and large-scale activities, such as bending of limb joints. The strain-sensing performance was further investigated by SBS/MXene coaxial fibers with SBS/MXene as sheath and SBS as core, presenting high sensitivity (4.69 × 103) and repeatability. SBS/MXene composite and coaxial fiber sensors demonstrated the potential application in wearable electronics with human motion detection.
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