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- Title
Synergistic Effect of Graphene/Silver Nanowire Hybrid Fillers on Highly Stretchable Strain Sensors Based on Spandex Composites.
- Authors
Vo, Tan Thong; Lee, Hyeon-Jong; Kim, Sang-Yun; Suk, Ji Won
- Abstract
Embedding conductive nanomaterials into elastomeric polymer matrices is one of the most promising approaches for fabricating stretchable strain sensors capable of monitoring large mechanical movements or deformation through the detection of resistance changes. Here, hybrid fillers comprising graphene and silver nanowires (AgNWs) are incorporated into extremely stretchable spandex to fabricate strain sensors. Composites containing only graphene and those containing the graphene/AgNW hybrid fillers are systematically investigated by evaluating their electrical and mechanical properties. The synergistic effect between graphene and AgNWs enable the strain sensors based on the composites to experience a large strain range of up to 120%, and low hysteresis with a high gauge factor of 150.3 at a strain of 120%. These reliable strain sensors are utilized for monitoring human motions such as heartbeats and body movements. The findings of this study indicate the significant applicability of graphene/AgNW/spandex composites in future applications that demand high-performance stretchable strain sensors.
- Subjects
STRAIN sensors; NANOWIRES; DEFORMATIONS (Mechanics); SPANDEX; SILVER; FILLER materials
- Publication
Nanomaterials (2079-4991), 2020, Vol 10, Issue 10, p2063
- ISSN
2079-4991
- Publication type
Article
- DOI
10.3390/nano10102063