Highly sensitive piezoresistive sensor with interlocked graphene microarrays for meticulous monitoring of human motions
JOURNAL OF MATERIALS CHEMISTRY C(2020)
摘要
The development of flexible sensors with high sensitivity and a short response time has received great attention due to their potential applications in medical diagnosis and health monitoring. Herein, we demonstrate the design of a flexible piezoresistive sensor based on interlocked graphene microarrays on a flexible substrate. This sensor displays adjustable piezoresistance by changing the contact way of the graphene microarraysviamicromanipulation, which endows the sensor with desirable compression sensitivity (10.41 kPa(-1), <2.5 kPa), a fast response time (<19 ms), a broad measurement range (1.0 Pa-32 kPa) and excellent durability (>10 000 loading-unloading cycles). In particular, the fast-response characteristic of this sensor allows meticulous detection of complicated stimuli from various human motions by obviously changing the contact areas between the interlocked graphene microarrays when compared with a planar sensor with double-layered graphene films and a single microarray sensor, highlighting its potential application in wearable healthcare systems for more comprehensive and accurate analysis.
更多查看译文
关键词
interlocked graphene microarrays,sensitive piezoresistive sensor,meticulous monitoring
AI 理解论文
溯源树
样例
生成溯源树,研究论文发展脉络
Chat Paper
正在生成论文摘要