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Tailored distribution of nanoparticles in bi-phasic polymeric blends as emerging materials for suppressing electromagnetic radiation: Challenges and prospects

Biswas, S and Panja, SS and Bose, S (2018) Tailored distribution of nanoparticles in bi-phasic polymeric blends as emerging materials for suppressing electromagnetic radiation: Challenges and prospects. In: Journal of Materials Chemistry C, 6 (13). pp. 3120-3142.

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Official URL: https://doi.org/10.1039/C8TC00002F


Regardless of its location, our electronic equipment does not always escape the threats of electromagnetic interference (EMI). Unrestrained radio and microwave radiation from communication devices, broadcasting stations, power lines and other electric equipment constantly bombards us and our precise circuitry equipment. Although its effects on human beings have not yet been directly demonstrated, our electronic gadgets are not that fortunate. A plethora of research work has already been published in the search for a perfect shielding material. Studies in the last decade reveal that dielectric ceramics, magnetic oxides/ferrites/particles, semiconductors, metal particles/foams, intrinsically conducting polymers, conducting carbon black/fibers/nanotubes and other carbon derivatives such as graphene etc. have been widely researched. The particles are either embedded in a wax medium or in a thermoplastic matrix to design an effective shield. To this end, polymer-based nanocomposites have been much discussed owing to their technology-matching properties, light weight, ease of fabrication and adaption, lack of corrosion, and design flexibility. However, the high dosage of nanofillers needed to meet the requirements of an effective shield mars their utility in many respects. Although bi-phasic polymer blends have been researched from different perspectives, utilizing them as a template for microwave shielding is currently drawing enormous interest compared with single-polymer-based nanocomposites. This review highlights the stepwise advancement of bi-phasic polymer blends towards EMI shielding applications. We in this manner endeavor to provide a necessary overview and point out the direction in which future research will keep on thriving as this new class of material emerges as an effective EMI shield.

Item Type: Journal Article
Publication: Journal of Materials Chemistry C
Publisher: Royal Society of Chemistry
Additional Information: The copyright for this article belongs to the Royal Society of Chemistry.
Keywords: Carbon black; Conducting polymers; Electric lines; Electromagnetic pulse; Electromagnetic shielding; Electromagnetic waves; Nanocomposites; Oscillators (electronic); Shielding; Terminals (electric), Communication device; Dielectric ceramic; Electronic gadgets; Intrinsically conducting polymer; Microwave shielding; Polymer-based nanocomposites; Shielding materials; Thermoplastic matrices, Polymer blends
Department/Centre: Division of Mechanical Sciences > Materials Engineering (formerly Metallurgy)
Date Deposited: 03 Sep 2022 04:33
Last Modified: 03 Sep 2022 04:33
URI: https://eprints.iisc.ac.in/id/eprint/76395

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