Cowpea-structured PVDF/ZnO nanofibers based flexible self-powered piezoelectric bending motion sensor towards remote control of gestures

被引：411

作者：

Deng, Weili ^{[1
]}

Yang, Tao ^{[1
]}

Jin, Long ^{[1
]}

Yan, Cheng ^{[1
]}

Huang, Haichao ^{[1
]}

Chu, Xiang ^{[1
]}

Wang, Zixing ^{[1
]}

Xiong, Da ^{[1
]}

Tian, Guo ^{[1
]}

Gao, Yuyu ^{[1
]}

Zhang, Haitao ^{[1
]}

Yang, Weiqing ^{[1
]}

机构：

[1] Southwest Jiaotong Univ, Sch Mat Sci & Engn, State Key Lab Tract Power, Key Lab Adv Technol Mat,Minist Educ, Chengdu 610031, Sichuan, Peoples R China

来源：

NANO ENERGY | 2019年 / 55卷

基金：

中国国家自然科学基金;

关键词：

PVDF/ZnO; Cowpea-structured nanofiber; Bending monitoring; Self-powered; Human-machine interaction; HUMAN-MACHINE INTERFACES; TRIBOELECTRIC NANOGENERATOR; PRESSURE SENSOR; HIGH-RESOLUTION; STRAIN SENSOR; THIN-FILM; SKIN; TRANSPARENT; PERFORMANCE; ARRAYS;

D O I：

10.1016/j.nanoen.2018.10.049

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Interactive human-machine interface (iHMI) is a bridge connecting human beings and robots, which has an important requirement for perceiving the change of pressure and bending angle. Here, we designed a flexible self-powered piezoelectric sensor (PES) based on the cowpea-structured PVDF/ZnO nanofibers (CPZNs) for remote control of gestures in human-machine interactive system. Due to the synergistic piezoelectric effect of hybrid PVDF/ZnO and the flexibility of polymer, this PES exhibited excellent bending sensitivity of 4.4 mV deg(-1) ranging widely from 44 degrees to 122 degrees, fast response time of 76 ms, and good mechanical stability. Besides, the PES could operate under both bending and pressing mode, show ultrahigh pressing sensitivity of 0.33 V kPa(-1), with response time of 16 ms. When integrated in iHMI, the PES could be conformably covered on different curve surfaces, demonstrated accurate bending angle recording and fast recognition for realizing intelligent human-machine interaction. On this basis, the application of remote control of robotic hand was successfully realized in form of acting the same gesture as human hand synchronously. This CPZNs-based self-powered PES is distinct and unique in its structure and fundamental mechanism, and exhibits a prospective potential application in iHMI.

引用

页码：516 / 525

页数：10

共 55 条

[1] All rGO-on-PVDF-nanofibers based self-powered electronic skins [J].