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通过静电纺丝制备的用于光致发光织物设计的铕掺杂聚苯乙烯和聚偏二氟乙烯纳米纤维。

Eu -doped polystyrene and polyvinylidene fluoride nanofibers made by electrospinning for photoluminescent fabric designing.

作者信息

Itankar Sangeeta Gopichandra, Dandekar Manjusha Prafulla, Kondawar Subhash Baburao, Bahirwar Bhaskar Marotrao

机构信息

Department of Physics, Rashtrasant Tukadoji Maharaj Nagpur University, Nagpur, India.

Department of Physics, Gurunanak College of Science, Ballarpur, India.

出版信息

Luminescence. 2017 Dec;32(8):1535-1540. doi: 10.1002/bio.3356. Epub 2017 Jun 21.

Abstract

Eu -doped polystyrene and polyvinylidene fluoride (PVDF/Eu and PS/Eu ) nanofibers were made using electrospinning. These fibers were characterized by scanning electron microscopy (SEM), Fourier transform infrared spectroscopy (FT-IR), energy dispersive spectroscopy (EDX) and photoluminescence (PL). Spectral analysis of PVDF/Eu and PS/Eu nanofibers was based on their emission spectra. A bright red emission was noticed from Eu that was assigned to the hypersensitive D  →  F transition. The enhanced intensity ratios of D  →  F to D  →  F transitions in the nanofibers indicated a more polarized chemical environment for the Eu ions and greater hypersensitivity for the D  →  F transition, which showed the potential for application in various polymer optoelectronic devices. The Eu -doped polymer (PVDF/Eu and PS/Eu ) nanofibers are suitable for the photoluminescent white light fabric design of smart textiles. This paper focuses on the potential application of smart fabrics to address challenges in human life.

摘要

采用静电纺丝法制备了掺铕聚苯乙烯和聚偏氟乙烯(PVDF/Eu和PS/Eu)纳米纤维。通过扫描电子显微镜(SEM)、傅里叶变换红外光谱(FT-IR)、能量色散光谱(EDX)和光致发光(PL)对这些纤维进行了表征。PVDF/Eu和PS/Eu纳米纤维的光谱分析基于它们的发射光谱。观察到铕发出的亮红色发射,这归因于超灵敏的(^{5}D_{0}\to^{7}F_{2})跃迁。纳米纤维中(^{5}D_{0}\to^{7}F_{2})与(^{5}D_{0}\to^{7}F_{1})跃迁的强度比增强,表明铕离子的化学环境更具极化性,且(^{5}D_{0}\to^{7}F_{2})跃迁具有更高的超灵敏性,这显示了其在各种聚合物光电器件中的应用潜力。掺铕聚合物(PVDF/Eu和PS/Eu)纳米纤维适用于智能纺织品的光致发光白色织物设计。本文重点关注智能织物在应对人类生活挑战方面的潜在应用。

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