期刊
RSC ADVANCES
卷 10, 期 58, 页码 35090-35098出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/d0ra05675h
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资金
- Advanced Fibrous Materials LAB, ATMT Institute, Amirkabir University of Technology (Tehran Polytechnic)
- Department of Electrical and Computer Engineering, University of Waterloo
- INSF [97016813]
Ceramic doped-polymer structures as organic and inorganic hybrid structures constitute a new area of advanced materials for flexible and stretchable sensors and actuators. Here, uniform ceramic-polymer composites of tetragonal BaTiO(3)and polyvinylidene fluoride (PVDF) were prepared using solution casting to improve the pressure sensitivity. By introducing Ba-TiO(3)nanoparticles to PVDF nanofibers, piezoelectricity and pressure sensitivity of hybrid nanofiber mats were significantly improved. In addition, we proposed a novel flexible and stretchable multilayered pressure sensor composed of electrospun nanocomposite fibers with high electrical sensitivity up to 6 mV N(-1)compared to 1.88 mV N(-1)for the pure PVDF sensors upon the application of cyclic loads at 2.5 Hz frequency and a constant load of 0.5 N. Indeed, this work provides a composition-dependent approach for the fabrication of nanostructures for pressure sensors in a wide variety of wearable devices and technologies.
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