Highly Transparent and Mechanically Robust Energy-harvestable Piezocomposite with Embedded 1D P(VDF-TrFE) Nanofibers and Single-walled Carbon Nanotubes,Advanced Functional Materials

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Highly Transparent and Mechanically Robust Energy-harvestable Piezocomposite with Embedded 1D P(VDF-TrFE) Nanofibers and Single-walled Carbon Nanotubes
Advanced Functional Materials ( IF 18.5 ) Pub Date : 2023-01-18 , DOI: 10.1002/adfm.202213374
Kiyong Kim _{1,

2} , Sangsu Lee _{1,

2} , Jeong‐Seok Nam _{1,

2} , Minkyeong Joo _{1,

2} , Bjørn Mikladal ₃ , Qiang Zhang ₄ , Esko I. Kauppinen ₅ , Il Jeon _{1,

2,

6} , Seongpil An _{1,

2,

6}

Affiliation

Herein, highly transparent, flexible, and ultrathin piezocomposite, in which electrospun poly(vinylidene fluoride-co-trifluoroethylene) [P(VDF-TrFE)] nanofibers (NFs) and aerosol-synthesized single-walled carbon nanotubes (SWCNTs) are embedded in elastomer matrix, is fabricated. The P(VDF-TrFE) NF mat is exploited as a piezoelectric layer of the piezocomposite while the SWCNT film is applied as a transparent conductive electrode thereof. The use of these 1D nanomaterials allows the piezocomposite not only to be high transparency along with low diffusion of light (i.e., haze factor) but also to exhibit enhanced mechanical properties. In addition, the coupling effect of piezo- and flexoelectricity exhibited from the electrospun NFs and the acid-doping effect conducted on the SWCNTs facilitates a significant improvement in kinetic energy-harvesting performance, leading to a maximum output voltage of 26.8 V. Moreover, electrospinning and aerosol chemical vapor deposition methods employed here are facile, scalable, and cost-effective, thus are expected to accelerate the development of industrially feasible next-generation wearable electronics.

中文翻译：

具有嵌入式一维 P(VDF-TrFE) 纳米纤维和单壁碳纳米管的高度透明且机械坚固的能量收集压电复合材料

在此，高度透明、柔性和超薄的压电复合材料，其中电纺聚（偏二氟乙烯-共-三氟乙烯）[P（VDF-TrFE）]纳米纤维（NFs）和气溶胶合成的单壁碳纳米管（SWCNTs）被嵌入弹性体基质，被制造出来。P(VDF-TrFE) NF垫被用作压电复合材料的压电层，而SWCNT薄膜被用作其透明导电电极。这些一维纳米材料的使用使压电复合材料不仅具有高透明度和低光扩散（即雾度因子），而且还表现出增强的机械性能。此外，

更新日期：2023-01-18

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