Journal
JOURNAL OF ALLOYS AND COMPOUNDS
Volume 652, Issue -, Pages 48-54Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jallcom.2015.08.187
Keywords
Strain sensor; Flexible sensor; Silver nanoparticle; Carbon nanotube
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Funding
- National Basic Research Program of China (973 Program) [2015CB351905]
- National Natural Science Foundation of China [61306015, %20501100001809:]
- Guangdong Innovative Research Team Program [201001D0104713329]
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Strain sensors based on Ag nanoparticles (NPs) and carbon nanotubes (CNTs) composites on polydimethylsiloxane (PDMS) substrate were fabricated. The sensors show high sensitivity with tunable gauge factors in the range of 2.1-39.8, high stretchability of 95.8%, good linearity and excellent long-time stability. A simple model for the working principle of the sensors has been proposed. It is suggested that the Ag NPs can modify the surface of CNT and reduce the interfacial resistance between CNTs, which plays an important role in achieving the superb performance of the sensors. (C) 2015 Elsevier B.V. All rights reserved.
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