Journal
MICRO & NANO LETTERS
Volume 14, Issue 2, Pages 168-172Publisher
INST ENGINEERING TECHNOLOGY-IET
DOI: 10.1049/mnl.2018.5315
Keywords
strain sensors; nanowires; silver; thermal stability; strain measurement; nanosensors; polymers; strain gauges; thermal resistance measurement; temperature sensors; temperature measurement; temperature-stabilised flexible strain sensors; health care; electronic skin; metal nanomaterials; tensile properties; ohmic properties; nanowires-polydimethylsiloxane; maximum gauge factor; resistance temperature coefficient; Ag
Funding
- National Natural Science Foundation of China [61471255, 51622507, 61474079, 61703298, 51705354]
- Excellent Talents Technology Innovation Program of Shanxi Province of China [201605D211023]
- 863 program [2015AA042601]
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Nowadays, flexible strain sensors applied in the fields of health care and electronic skin have been widely studied and applied. In fact, the temperature characteristic of flexible strain sensors based on metal nanomaterials is rarely concerned. In this work, the ohmic and tensile properties of the flexible strain sensor based on silver nanowires-polydimethylsiloxane were tested and it was found that the sensor has good ohmic characteristics and a maximum gauge factor of 536.98. In addition, the resistance of the sensor was affected little by temperature when the temperature environment of the sensor was changed, and the resistance temperature coefficient of the flexible strain sensor is -1050 ppm/degrees C. Furthermore, it was found that the sensor was sensitive to minute strain when the sensors were applied to the two application tests of strain and pulse.
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