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Magnetic-Electrospinning Synthesis of γ-Fe2O3 Nanoparticle–Embedded Flexible Nanofibrous Films for Electromagnetic Shielding

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Industrial Research Institute of Nonwovens & Technical Textiles, College of Textiles & Clothing, Qingdao University, Qingdao 266071, China
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Collaborative Innovation Center for Nanomaterials & Devices, College of Physics, Qingdao University, Qingdao 266071, China
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International Center for Materials Nanoarchitectonics (WPI-MANA) and International Center for Young Scientists (ICYS), National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan
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Department of Chemistry, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
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School of Chemical Engineering and Australian Institute for Bioengineering and Nanotechnology (AIBN), The University of Queensland, Brisbane, QLD 4072, Australia
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Department of Plant & Environmental New Resources, Kyung Hee University, 1732 Deogyeong-daero, Giheung-gu, Yongin-si, Gyeonggi-do 446-701, Korea
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Authors to whom correspondence should be addressed.
Polymers 2020, 12(3), 695; https://doi.org/10.3390/polym12030695
Received: 26 December 2019 / Revised: 2 March 2020 / Accepted: 10 March 2020 / Published: 20 March 2020
(This article belongs to the Section Polymer Applications)
The exploration of a new family of flexible and high-performance electromagnetic shielding materials is of great significance to the next generation of intelligent electronic products. In this paper, we report a simple magnetic-electrospinning (MES) method for the preparation of a magnetic flexible film, γ-Fe2O3 nanoparticle-embedded polymeric nanofibers. By introducing the extra magnetic field force on γ-Fe2O3 nanoparticles within composite fibers, the critical voltage for spinning has been reduced, along with decreased fiber diameters. The MES fibers showed increased strength for the magnetic field alignment of the micro magnets, and the attraction between them assisted the increase in fiber strength. The MES fibers show modifications of the magnetic properties and electrical conductivity, thus leading to better electromagnetic shielding performance. View Full-Text
Keywords: nanofibrous magnetic films; magnetic field; magnetic-electrospinning; electromagnetic shielding; flexibility nanofibrous magnetic films; magnetic field; magnetic-electrospinning; electromagnetic shielding; flexibility
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MDPI and ACS Style

Zheng, J.; Sun, B.; Wang, X.-X.; Cai, Z.-X.; Ning, X.; M. Alshehri, S.; Ahamad, T.; Xu, X.-T.; Yamauchi, Y.; Long, Y.-Z. Magnetic-Electrospinning Synthesis of γ-Fe2O3 Nanoparticle–Embedded Flexible Nanofibrous Films for Electromagnetic Shielding. Polymers 2020, 12, 695.

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