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Electrospun PVDF-based piezoelectric nanofibers: materials, structures, and applications
Mengdi Zhang1,2,3, Chengkun Liu1,2,3, Boyu Li4
1School of Textile Science and Engineering, Xi'an Polytechnic University Xi'an 710048 China liuchengkun@xpu.edu.cn.
Nanoscale Advances
|February 17, 2023
Summary
Polyvinylidene fluoride (PVDF) nanofibers, created via electrospinning, show enhanced piezoelectric properties through filler doping and structural design. These advancements offer potential for improved sensing, energy storage, and energy harvesting applications.
Area of Science:
- Materials Science
- Nanotechnology
- Polymer Science
Background:
- Polyvinylidene fluoride (PVDF) is a promising piezoelectric material due to its high dielectric constant and electroactive response.
- Electrospinning offers a scalable, cost-effective method for producing PVDF-based nanofibers with excellent piezoelectric characteristics.
Purpose of the Study:
- To review recent advancements in enhancing the performance of electrospun PVDF-based piezoelectric fiber films.
- To explore the impact of filler doping and structural modifications on PVDF piezoelectric nanofibers.
Main Methods:
- Summarization of state-of-the-art research on filler doping (single and double fillers) in PVDF nanofibers.
- Analysis of structural designs, including highly oriented, core-shell, and multilayer composite structures.
- Discussion of the mechanisms underlying performance enhancements.
Main Results:
- Filler doping with various materials significantly impacts the piezoelectric performance and underlying mechanisms of PVDF fiber films.
- Specific structural designs (oriented, core-shell, multilayer) demonstrably improve the output properties of PVDF piezoelectric nanofibers.
Conclusions:
- Optimized filler doping and structural engineering are key to maximizing the piezoelectric output of electrospun PVDF nanofibers.
- PVDF piezoelectric nanofibers present significant opportunities in healthcare, environmental monitoring, and energy harvesting.
