Journal
CRYSTALS
Volume 11, Issue 6, Pages -Publisher
MDPI
DOI: 10.3390/cryst11060644
Keywords
poly(vinylidene fluoride); self-powered equipment; crystal structures; piezoelectric properties; piezoelectric devices
Funding
- National Natural Science Foundation of China [51872165]
- Primary Research & Development Plan of Shandong Province [2019JZZY010313]
- Shandong Provincial Natural Science Foundation [ZR2020KA003]
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PVDF is a semicrystalline organic polymer piezoelectric material with high crystallinity and piezoelectric response level. It exhibits excellent mechanical properties, chemical stability, and biocompatibility as a polymer material, making it suitable for various devices.
Poly (vinylidene fluoride) (PVDF) is a kind of semicrystalline organic polymer piezoelectric material. Adopting processes such as melting crystallization and solution casting, and undergoing post-treatment processes such as annealing, stretching, and polarization, PVDF films with high crystallinity and high piezoelectric response level can be realized. As a polymer material, PVDF shows excellent mechanical properties, chemical stability and biocompatibility, and is light in weight, easily prepared, which can be designed into miniaturized, chip-shaped and integrated devices. It has a wide range of applications in self-powered equipment such as sensors, nanogenerators and currently is a research hotspot for use as flexible wearable or implantable materials. This article mainly introduces the crystal structures, piezoelectric properties and their applications in flexible piezoelectric devices of PVDF materials.
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