2021
DOI: 10.1177/08927057211064990
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Electromagnetic interference shielding study in microwave and NIR regions by highly efficient Ag/ZnS and polyaniline-Ag/ZnS particles

Abstract: The chemical oxidative polymerization and co-precipitation methods were employed for the preparations of polyaniline (PANI) and silver-doped zinc sulfide (ZnS) nanoparticles to be used for electromagnetic interference (EMI) shielding. PVC-based composite films were fabricated by the incorporation of Ag/ZnS and PANI-Ag/ZnS nanoparticles. These nanoparticles were first analyzed by X-ray diffraction and zetasizer for their crystal structure and particle size. Prepared nanocomposite films were then analyzed for va… Show more

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Cited by 8 publications
(4 citation statements)
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“…Table 4 shows a comparison with the state of the recent published literature dealing with the electromagnetic interference with different shielding materials. [16][17][18][19][20][21][22][46][47][48][49][50][51][52][53][54][55] The electromagnetic shielding effectiveness (ESE) can be expressed as: ESE ¼ 10 log…”
Section: Differential Scanning Calorimetry (Dsc)mentioning
confidence: 99%
See 1 more Smart Citation
“…Table 4 shows a comparison with the state of the recent published literature dealing with the electromagnetic interference with different shielding materials. [16][17][18][19][20][21][22][46][47][48][49][50][51][52][53][54][55] The electromagnetic shielding effectiveness (ESE) can be expressed as: ESE ¼ 10 log…”
Section: Differential Scanning Calorimetry (Dsc)mentioning
confidence: 99%
“…15 There are various other conductive materials other than CNTs that are currently being used in EMI shielding. [16][17][18][19][20][21][22] Polymer processing by ionizing radiation is globally and dynamically safe as it does not require solvents or initiators at high temperature and permits one to avoid degradation phenomena and other side reactions typical of polymer processing in the melt. [23][24][25] Highenergy irradiation suggestions distinctive solutions to the problem of recycling due to its aptitude to induce crosslinking, scission and activation by creating free radicals of a varied range of material without introducing any chemical initiators and without dissolving the specimen, therefore, avoiding phase separation.…”
Section: Introductionmentioning
confidence: 99%
“…11 According to the literature, besides carbon-based nanostructured materials, some other conductive fillers and strategies might be added to seek EMC. Some examples are conductive polymers (such as Polyaniline (PANI) 19 and Polypirrol (PPy) 20 ), metallic particles (such as copper and silver), 21,22 and also combinations of both types (such as Barium hexaferrite-polypyrrole (BHF-Ppy) 20,23 and PANI-Ag/ZnS nanoparticles 24 ). Although these materials achieve high attenuation values, the carbon-based nanocomposite materials present some advantages over those strategies, such as longer-term chemical stability than the conducting polymers, 21,22 and act mainly as EMI absorbents, not reflecting and causing secondary EMI pollution.…”
Section: Introductionmentioning
confidence: 99%
“…To minimize these issues arising due to EMI, effective shielding materials need to protect the efficient operation of electronic systems. Electromagnetic interference (EMI) shielding is defined as the attenuation of the propagating electromagnetic waves produced by the shielding material [3]. The EMI-SE is based on 3 working principles viz, reflection, multiple reflections, and absorption [4].…”
Section: Introductionmentioning
confidence: 99%