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Muscle Fibers Inspired High‐Performance Piezoelectric Textiles for Wearable Physiological Monitoring
Author(s) -
Su Yuanjie,
Chen Chunxu,
Pan Hong,
Yang Ye,
Chen Guorui,
Zhao Xun,
Li Weixiong,
Gong Qichen,
Xie Guangzhong,
Zhou Yihao,
Zhang Songlin,
Tai Huiling,
Jiang Yadong,
Chen Jun
Publication year - 2021
Publication title -
advanced functional materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 6.069
H-Index - 322
eISSN - 1616-3028
pISSN - 1616-301X
DOI - 10.1002/adfm.202010962
Subject(s) - materials science , piezoelectricity , nanofiber , wearable computer , polyvinylidene fluoride , nanotechnology , textile , characterization (materials science) , wearable technology , barium titanate , biomedical engineering , composite material , computer science , polymer , ceramic , medicine , embedded system
The next‐generation wearable biosensors with highly biocompatible, stretchable, and robust features are expected to enable the change of the current reactive and disease‐centric healthcare system to a personalized model with a focus on disease prevention and health promotion. Herein, a muscle‐fiber‐inspired nonwoven piezoelectric textile with tunable mechanical properties for wearable physiological monitoring is developed. To mimic the muscle fibers, polydopamine (PDA) is dispersed into the electrospun barium titanate/polyvinylidene fluoride (BTO/PVDF) nanofibers to enhance the interfacial‐adhesion, mechanical strength, and piezoelectric properties. Such improvements are both experimentally observed via mechanical characterization and theoretically verified by the phase‐field simulation. Taking the PDA@BTO/PVDF nanofibers as the building blocks, a nonwoven light‐weight piezoelectric textile is fabricated, which hold an outstanding sensitivity (3.95 V N −1 ) and long‐term stability (<3% decline after 7,400 cycles). The piezoelectric textile demonstrates multiple potential applications, including pulse wave measurement, human motion monitoring, and active voice recognition. By creatively mimicking the muscle fibers, this work paves a cost‐effective way to develop high‐performance and self‐powered wearable bioelectronics for personalized healthcare.