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Electroactive and photoluminescence of electrospun P(VDF-HFP) composite nanofibers with Eu3+ complex and BaTiO3 nanoparticles
作者:Guimao Fu, Qisong Shi*, Yongqing He, Longxin Xie, Yongri Liang*
關鍵字:Sandwich-structured; Photoluminescence; Piezoelectricity; Ferroelectricity; Flexible pressure sensor
論文來源:期刊
具體來源:Polymer. 2022, 240, 124496.
發表時間:2022年

Multi-functional polymer nanofiber films have various applications in soft electric devices. In this work, electroactive and photoluminescence of electrospun polyvinylidene fluoride hexafluoropropylene (P(VDF-HFP)) composite nanofibers were achieved by adding Eu(TTA)3(TPPO)2 and BaTiO3 fillers. The effects of Eu(TTA)3(TPPO)2 and BaTiO3 fillers on the crystal structure, mechanical properties, ferroelectric properties, and fluorescent properties of P(VDF-HFP) nanofibers were investigated. In contrast with adding alone Eu(TTA)3(TPPO)2

or BaTiO3 filler, the β-crystal content, ferroelectric properties and fluorescent properties of P(VDF-HFP) nanofibers were significantly improved by mixture filler of Eu(TTA)3(TPPO)2 and BaTiO3 owing to coordination effect. And, the sandwich-structured polymerurethane PU/P(VDF-HFP)-Eu(TTA)3(TPPO)2-BaTiO3/PU device presented high low pressure sensitivity (0.49 kPa-1) and high energy density (30.45 mJ/cm3). Our results showed that the P(VDF-HFP)-Eu(TTA)3(TPPO)2-BaTiO3 composite nanofibers can be used as multifunctional flexible sensors.

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