Flexible and Stretchable Fiber‐Shaped Triboelectric Nanogenerators for Biomechanical Monitoring and Human‐Interactive Sensing. (15th October 2020)

• Record Type: Journal Article
• Authors: Ning, Chuan; Dong, Kai; Cheng, Renwei; Yi, Jia; Ye, Cuiying; Peng, Xiao; Sheng, Feifan; Jiang, Yang; Wang, Zhong Lin
• Is Part Of: Advanced functional materials. Volume 31:Number 4(2021)
• Page Start: n/a
• Page End: n/a
• Publication Date: 2020-10-15
• Subjects: breathability -- fiber‐shaped triboelectric nanogenerators -- flexible tactile sensors -- human–machine interactions; Materials -- Periodicals; Chemical vapor deposition -- Periodicals; 620.11
• DOI: 10.1002/adfm.202006679
• Languages: English
• ISSNs: 1616-301X

Abstract

Abstract: Wearable, flexible, and even stretchable tactile sensors, such as various types of electronic skin, have attracted extensive attention, which can adapt to complex and irregular surfaces, maximize the matching of wearable devices, and conformally apply onto human organs. However, it is a great challenge to simultaneously achieve breathability, permeability, and comfortability for their development. Herein, mitigating the problem by miniaturizing and integrating the sensors is tried. Highly flexible and stretchable coaxial structure fiber‐shaped triboelectric nanogenerators (F‐TENGs) with a diameter of 0.63 mm are created by orderly depositing conductive material of silver nanowires/carbon nanotubes and encapsulated polydimethylsiloxane onto the stretchable spandex fiber. As a self‐powered multifunctional sensor, the resulting composite fiber can convert mechanical stimuli into electrical signals without affecting the normal human body. Moreover, the F‐TENGs can be easily integrated into traditional textiles to form tactile sensor arrays. Through the tactile sensor arrays, the real‐time tactile trajectory and pressure distribution can be precisely mapped. This work may provide a new method to fabricate fiber‐based pressure sensors with high sensitivity and stretchability, which have great application prospects in personal healthcare monitoring and human–machine interactions. Abstract : Breathability, permeability, and comfortability are important for wearable tactile sensors. Herein, highly flexible and stretchable coaxial structure fiber‐shaped triboelectric nanogenerators (F‐TENGs) are created. As a self‐powered multifunctional sensor, the F‐TENGs can be easily integrated into traditional textiles to form tactile sensor arrays as an accurate tactile monitoring and human–machine interface.