Wearable, Stretchable, Transparent All-in-One Soft Sensor Formed from Supersonically Sprayed Silver Nanowires
- Authors
- Jo, Hong Seok; An, Seongpil; Park, Chan -Woo; Woo, Deok-Yoon; Yarin, Alexander L.; Yoon, Sam S.
- Issue Date
- 30-10월-2019
- Publisher
- AMER CHEMICAL SOC
- Keywords
- wearable; flexible; transparent; multifunctional sensors; UV protection; heater; nanowires; supersonic spraying
- Citation
- ACS APPLIED MATERIALS & INTERFACES, v.11, no.43, pp.40232 - 40242
- Indexed
- SCIE
SCOPUS
- Journal Title
- ACS APPLIED MATERIALS & INTERFACES
- Volume
- 11
- Number
- 43
- Start Page
- 40232
- End Page
- 40242
- URI
- https://scholar.korea.ac.kr/handle/2021.sw.korea/62158
- DOI
- 10.1021/acsami.9b12847
- ISSN
- 1944-8244
- Abstract
- The demand for wearable, stretchable soft electronics for human machine interface applications continues to grow given the potential of these devices in humanoid robotics, prosthetics, and health-monitoring devices. We demonstrate fabrication of multifunctional sensors with simultaneous temperature-, pressure-, proximity-, and strain (or bending)-sensing capabilities, combined with heating and UV-protection features. These multifunctional sensors are flexible, light, and transparent and are thus body-attachable. Silver nanowires are supersonically sprayed on a large-scale transparent and flexible roll-to-roll substrate. The junctions between nanowires are physically fused by a strong impact resulting from supersonic spraying, which promotes adhesion and efficient deposition of the nanowire network. Accordingly, nanowires are strongly interconnected, facilitating efficient propagation of electric signals through the fused nanowire network, which allows simultaneous operation of such sensors while maintaining significant transparency. These multifunctional sensors are mechanically durable and retain long-term stability. A theoretical discussion is provided to explain the respective mechanisms of heating and proximity, pressure, and strain sensing.
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Collections - College of Engineering > Department of Mechanical Engineering > 1. Journal Articles
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