Electromagnetic Interference Shielding with Electrospun Nanofiber Mats—A Review of Production, Physical Properties and Performance

Błachowicz, Tomasz; Hütten, Andreas; Ehrmann, Andrea

doi:10.3390/fib10060047

Cited by 17 publications

(15 citation statements)

References 102 publications

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“…In order to achieve effective EMI shielding in reflection, the material must contain mobile charge carriers, which means the material should be conductive. 11,29,30 So, when an EMI wave is released from the source, the shielded material should interact with the charge carriers present in the conductive shield causing the charge to flow and redistribute along the conductor creating an opposing magnetic field. This redistribution of charges reduces or eliminates the external magnetic field, making an effective shielding in terms of reflection.…”

Section: Se ¼ 10logmentioning

confidence: 99%

Polyvinylidene fluoride—An advanced smart polymer for electromagnetic interference shielding applications—A novel review

Nivedhitha

Jeyanthi²

2023

Polymers for Advanced Techs

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Emerging technology and modernization have become a worldwide threat to human life in all aspects. Worldwide, all countries are in the race to develop the most advanced electronic devices and gadgets as they reflect the country's superiority and economic development. Specialists have forecasted that during and after the pandemic, the addiction toward modern gadgets have increased by 40% among the people irrespective of age. A few researchers have reported that the world economy is dependent on and dominated by countries manufacturing semiconductors, mobiles, electronic chips, and so on. People started sensing that modern devices are like a boon, as their lives seem to be more connected and comfortable with all their needs and wants being fulfilled at their doorsteps. But this boon is slowly whirling as a severe threat to human lives. Due to this rapid usage of electronic devices, electromagnetic interference (EMI) is drastically growing, which is considered a global warning issue for commercial and biological systems. So advanced countries have decided to make EMI shielding a compulsory entity to be implemented in all advanced electronic devices. Though traditional materials like metals and carbon allotropes have excellent shielding properties, they cannot cope with today's mass production of modern devices. Thus, researchers had to find a suitable substitute material that should possess properties such as sustainability and biocompatibility to overcome problems faced by the conventional materials. Thus, polymers have come into the world of EMI shielding applications. Polyvinylidene fluoride (PVDF), a non‐conductive polymer from the family of Fluorocarbons, is creating history in the field of EMI shielding applications. PVDF astonished researchers with its versatile features, such as light weight, flexibility, and easy processibility with excellent dielectric and piezoelectric properties. Though they are poor in electrically conductive properties, incorporating metals, carbon allotropes, and metal oxides as fillers make them superior to the existing conventional materials. Thus, the main objective of this review article is to highlight the uniqueness of PVDF as an advanced polymer for EMI shielding applications. It has been noted that PVDF is more suitable for EMI shielding in X, K, and Ku band frequencies. But overall, we noticed that the performance of PVDF has a great impact by incorporating a combination of metal and carbon allotrope enhances the shielding effectiveness up to 65 dB in the Ku‐band (Kurz‐under) frequency band range of (12–18 GHz).

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Section: Se ¼ 10logmentioning

confidence: 99%

Polyvinylidene fluoride—An advanced smart polymer for electromagnetic interference shielding applications—A novel review

Nivedhitha

Jeyanthi²

2023

Polymers for Advanced Techs

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“…They can combine different material classes, harnessing the advantages of both to good use. 140 Islam et al 141 employed the commercially scalable exhaust dyeing method to coat reduced graphene oxide (rGO)/ poly(3,4-ethylenedioxythiophene) polystyrenesulfonate (PE-DOT:PSS) hybrids on knitted cotton fabrics. The GO and PEDOT: PSS were directly dyed onto the fabric and reduced using ascorbic acid at 60 °C in the same process.…”

Section: ■ Hybrid Textilesmentioning

confidence: 99%

“…Nanofiber mats fabricated by electrospinning tend to show tremendous potential as EMI shielding materials. They can combine different material classes, harnessing the advantages of both to good use …”

Section: Hybrid Textilesmentioning

confidence: 99%

Evolution of Surface Engineering in the Development of Textile-Based EMI Shields─A Review

Jagadeshvaran

Bose

2023

ACS Appl. Electron. Mater.

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Innovations in electronics and the rapid developments in communication systems have been unprecedented and made life easier. One such advancement is wireless electronics, where gadgets operate in gigahertz frequencies, transmitting and receiving signals in the form of electromagnetic (EM) waves during their operation. The increased presence of EM waves in the atmosphere has led to EM pollution. With the miniaturization of devices, there is an increased volume of complex circuitry in a limited space, causing interference between them during operation, termed “electromagnetic interference” (EMI). EMI concerns are rising as they are considered severe threats to devices and their functioning. Flexible and lightweight EMI shielding materials are vital to combat this issue. Functional textiles are considered promising candidates with increasing attention due to their outstanding flexibility. They offer excellent design scope and can be integrated with different materials like metals, polymers, and their composites in different levels (fiber, yarn, and fabric). This review provides a concise note on the fundamental concepts and mechanisms of EMI shielding and emphasizes how textiles for EMI shielding applications have evolved over the past two decades. From metal yarn coweaved fabrics to multifunctional coatings, tremendous progress has been made design-wise. This review presents a holistic view of all these design architectures, critically analyzing their pros and cons, and a perspective indicating future research directions.

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“…Conductive nanofiber structures, such as those formed by the electrospinning technique, have been widely used in the fabrication of electrodes and electronic devices, receiving increased attention in recent years [ 1 , 2 , 3 , 4 ]. These structures have a wide range of potential applications including supercapacitors [ 5 ], sensors [ 6 , 7 ], energy storage [ 8 ], electromagnetic interference (EMI) shielding [ 9 , 10 , 11 , 12 ], environmental monitoring [ 13 ], biomedical diagnostics [ 14 ], catalysts for chemical reactions [ 15 ], and smart textiles for wearable electronics [ 16 ], health trackers [ 17 ] and smart clothing [ 18 , 19 ]. New composites and blends are being explored for the manufacture of such devices that are directly applied in the biomedical field as filters, active cell grown media, and biosensing.…”

Section: Introductionmentioning

confidence: 99%

New Insights to Design Electrospun Fibers with Tunable Electrical Conductive–Semiconductive Properties

Serrano‐Garcia

Bonadies

Thomas

et al. 2023

Sensors

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Fiber electronics, such as those produced by the electrospinning technique, have an extensive range of applications including electrode surfaces for batteries and sensors, energy storage, electromagnetic interference shielding, antistatic coatings, catalysts, drug delivery, tissue engineering, and smart textiles. New composite materials and blends from conductive–semiconductive polymers (C-SPs) offer high surface area-to-volume ratios with electrical tunability, making them suitable for use in fields including electronics, biofiltration, tissue engineering, biosensors, and “green polymers”. These materials and structures show great potential for embedded-electronics tissue engineering, active drug delivery, and smart biosensing due to their electronic transport behavior and mechanical flexibility with effective biocompatibility. Doping, processing methods, and morphologies can significantly impact the properties and performance of C-SPs and their composites. This review provides an overview of the current literature on the processing of C-SPs as nanomaterials and nanofibrous structures, mainly emphasizing the electroactive properties that make these structures suitable for various applications.

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Electromagnetic Interference Shielding with Electrospun Nanofiber Mats—A Review of Production, Physical Properties and Performance

Cited by 17 publications

References 102 publications

Polyvinylidene fluoride—An advanced smart polymer for electromagnetic interference shielding applications—A novel review

Polyvinylidene fluoride—An advanced smart polymer for electromagnetic interference shielding applications—A novel review

Evolution of Surface Engineering in the Development of Textile-Based EMI Shields─A Review

New Insights to Design Electrospun Fibers with Tunable Electrical Conductive–Semiconductive Properties

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