Journal
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS
Volume 32, Issue 4, Pages 3966-3978Publisher
SPRINGER
DOI: 10.1007/s10854-020-05138-0
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Funding
- Science and Technology Cooperation Project of Sichuan University and Zigong City [2019CDZG-3]
- Science and Technology Foundation of Sichuan province [2020YFG0104]
- Miaozi Project in Science and Technology Innovation Program of Sichuan Province [20-YCG045]
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A novel flexible zinc oxide nanorods/poly(vinylidene fluoride-trifluoroethylene) nanocomposite was prepared by electrospinning for fabricating a piezoelectric nanogenerator. The addition of different levels of piezoelectric ZnO nanorods can significantly improve the performance of the piezoelectric nanogenerator.
A novel flexible zinc oxide nanorods (NRs)/poly(vinylidene fluoride-trifluoroethylene) (P(VDF-TrFE)) nanocomposite was prepared by electrospinning for fabricating piezoelectric nanogenerator (PNG). The NRs were used as nanofillers of piezoelectric P(VDF-TrFE), which can enhance the electroactive beta-crystal ratio as well as the crystallinity of P(VDF-TrFE). It has been found that the addition of different levels of piezoelectric ZnO NRs can improve the overall performance of PNG made with electrospun membranes. The PNG comprised by 10 wt% ZnO NRs/P(VDF-TrFE) nanocomposite demonstrates an outstanding output open-circuit voltage (61 V) and short-circuit current (2.2 mu A). It has been concluded that the ion-dipole interaction between NRs and electroactive beta-crystals of P(VDF-TrFE) are useful for the construction of the high-performance flexible PNG. Besides, the output power generated from the PNG can directly light 25 commercial light-emitting diodes, and also capable to charge up a capacitor (4.7 mu F) and reached 2.1 V in 2 min, which indicates the potential of the PNG for flexible wearable electronic devices.
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