Ultrasensitive Human Technology Systems Design and Stretchable Strain Sensors for Wearable Electronic Applications
Year: 2024
Type: article
Abstract: Flexible and wearable strain sensors with remarkable performance are in tremendous demand with significant advancement of wearable electronics. In this work, a Dragon skin/graphite nanoflakes (GNFs)/Dragon skin sandwich structured nanocomposite strain sensor is employed for wearable strain sensing applications. The active sensor material based on highly conductive GNFs was successfully coated onto the epidermis-like Dragon skin elastomeric matrix utilizing a low-cost spray coating process. Moreover, the Dragon skin/GNFs/Dragon skin sandwich structured nanocomposite strain sensors demonstrate many fascinating merits including ultra-high sensitivity (a gauge factor of 41,326.15 in the strain range of 1.6-2.3%), a strain range of up to 50%, a quick response time (80 ms), prominent linearity, and excellent durability (more than 600 stretch-release cycles under a large-scale strain of 30%), and as a result, exhibits captivating perspectives for the monitoring of whole-range human motions including small-scale facial expressions (cheek expansion and relaxation, eye blinking, and frowning), laryngeal prominence movement, and large-scale human joint bending motions (finger, elbow, wrist, and knee bending), thereby specifying promising potential in healthcare monitoring, sports performance monitoring, human-machine interaction, and soft robotics.
Source: Innovation Discovery
DOI: 10.53964/id.2025004
Author: R Madhavan
Institution: Indian Institute of Science Bangalore
Language: English
Subfield: Biomedical Engineering
Field: Engineering
Domain: Physical Sciences
Open Access status: hybrid
OpenAlex ID: W4405716673