Recent trends in multi-layered architectures towards screening electromagnetic radiation: challenges and perspectives

Bhattacharjee, Yudhajit; Arief, Injamamul; Bose, Suryasarathi

doi:10.1039/c7tc02172k

Cited by 119 publications

(77 citation statements)

References 81 publications

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“…However, the absorption phenomenon is dependent on various loses and also on the nature of interaction with electrical and/or magnetic dipole present in the shield. It decays exponentially across the shield thickness (t), expressed as

true {normalS normalE}_{A} = - 8.68 normalt ((), \frac{σ_{normalT} ω μ_{normalr}}{2})

…”

Section: Electromagnetic Interference Shieldingmentioning

confidence: 99%

“…where,

S_{11}

is the input complex reflection coefficient and

S_{21}

is the forward complex transmission coefficient of the device under test …”

Section: Electromagnetic Interference Shieldingmentioning

confidence: 99%

“…where, S 11 is the input complex reflection coefficient and S 21 is the forward complex transmission coefficient of the device under test. [44] Electromagnetic shielding is used to restrain electromagnetic strength within the limit of selected vicinity to prevent the transmission of such electricity into an electrified state. A consequence of materials have been evolved and used for the fabrication of EMI shield.…”

Section: Introductionmentioning

confidence: 99%

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Smart Textile Fabrics for Screening Millimeter Wavelength Radiations: Challenges and Future Perspectives

2018

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The conductive fabrics are widely used in smart protective textile, specifically to shield millimeter wavelength radiations. In this context, intrinsically conducting polymers (ICPs) have gained enormous interest in the recent past due to their myriad applications in the field of textile specifically because of their tunable conductivity, lightweight, ease of coating etc. Numerous research studies have been focused to develop electromagnetic (EM) shielding fabric using ICPs and various functional conducting, magnetic and dielectric nanoparticles. The objective of this review article is to highlight the state‐of‐the‐art literature and recent developments in this field involving surface modification of textile fabrics using physical/chemical methods targeted towards EM shielding application. Furthermore, this review also provides useful insight in the shielding mechanism and diverse processes to design and develop smart EM shielded flexible fabrics as protective textiles.

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true {normalS normalE}_{A} = - 8.68 normalt ((), \frac{σ_{normalT} ω μ_{normalr}}{2})

…”

Section: Electromagnetic Interference Shieldingmentioning

confidence: 99%

“…where,

S_{11}

is the input complex reflection coefficient and

S_{21}

is the forward complex transmission coefficient of the device under test …”

Section: Electromagnetic Interference Shieldingmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Smart Textile Fabrics for Screening Millimeter Wavelength Radiations: Challenges and Future Perspectives

2018

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“…For more than 10 years, monitoring exposure of electromagnetic waves specifically has fuelled numerous level-headed discussions, which have regularly been quite heated. An examination of reports and scientific productions committed to this theme demonstrate that this radiation can meddle effectively in different surroundings instruments and causes a glitch [2,3]. Various examinations have been completed on the potentially hazardous impacts of electromagnetic waves on our wellbeing also [4].…”

Section: Introductionmentioning

confidence: 99%

Does the Type of Polymer and Carbon Nanotube Structure Control the Electromagnetic Shielding in Melt-Mixed Polymer Nanocomposites?

et al. 2020

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A suitable polymer matrix and well dispersed conducting fillers forming an electrically conducting network are the prime requisites for modern age electromagnetic shield designing. An effective polymer-based shield material is designed that can attenuate 99.9% of incident electromagnetic (EM) radiation at a minimum thickness of <0.5 mm. This is accomplished by the choice of a suitable partially crystalline polymer matrix while comparing non-polar polypropylene (PP) with polar polyvinylidene fluoride (PVDF) and a best suited filler nanomaterial by comparing different types of carbon nanotubes such as; branched, single-walled and multi-walled carbon nanotubes, which were added in only 2 wt %. Different types of interactions (polar-polar and CH-π and donor-acceptor) make b-MWCNT more dispersible in the PVDF matrix, which together with high crystallinity resulted in the best electrical conductivity and electromagnetic shielding ability of this composite. This investigation additionally conceals the issues related to the thickness of the shield material just by stacking individual thin nanocomposite layers containing different carbon nanotube (CNT) types with 0.3 mm thickness in a simple manner and finally achieves 99.999% shielding efficiency at just 0.9 mm thickness when using a suitable order of the different PVDF based nanocomposites.

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“…In the latest trends and future aspect, CP-based shielding composites with multi-layered stack frameworks have attracted wider consideration and will be the most used approach [428]. Fang et al [415] designed freestanding layer-structured PANI/Ag nanowire composite films via a simple casting process, as shown in Fig.…”

Section: Electromagnetic Interference Shieldingmentioning

confidence: 99%

Recent progress on nanostructured conducting polymers and composites: synthesis, application and future aspects

et al. 2018

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Recent trends in multi-layered architectures towards screening electromagnetic radiation: challenges and perspectives

Abstract: Herein, we attempt to summarize the scientific roadmap of various strategies adopted in the past few years towards screening EM radiation using multi-layered sandwich architectures.

Cited by 119 publications

References 81 publications

Smart Textile Fabrics for Screening Millimeter Wavelength Radiations: Challenges and Future Perspectives

Smart Textile Fabrics for Screening Millimeter Wavelength Radiations: Challenges and Future Perspectives

Does the Type of Polymer and Carbon Nanotube Structure Control the Electromagnetic Shielding in Melt-Mixed Polymer Nanocomposites?

Recent progress on nanostructured conducting polymers and composites: synthesis, application and future aspects

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