EMI shielding properties of polymer blends with inclusion of graphene nano platelets

Muhammad Fayzan Shakir; Ahmad Nawaz Khan; Ramsha Khan; Sofia Javed; Asra Tariq; Muhammad Azeem; Adeel Riaz; Ahmed Shafqat; Hammad M. Cheema; Muhammad Aftab Akram; Imtiaz Ahmad; Rahim Jan

doi:10.1016/j.rinp.2019.102365

EMI shielding properties of polymer blends with inclusion of graphene nano platelets

Muhammad Fayzan Shakir, Ahmad Nawaz Khan, Ramsha Khan, Sofia Javed, Asra Tariq, Muhammad Azeem, Adeel Riaz, Ahmed Shafqat, Hammad M. Cheema, Muhammad Aftab Akram, Imtiaz Ahmad, Rahim Jan

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Abstract

Polymer blends of poly vinyle chloride (PVC) and polyaniline (PANI) with the inclusion of graphene nano platelets (GNP) are fabricated to enhance the EMI shielding effectiveness. The initial assessment with cyclic voltammetry has shown improved electrical conductivity both for PVC/PANI blends and PVC/PANI/GNP composites. The capacitive effect of the blends and composites is evaluated at lower frequency region (100 Hz−5 MHz). EMI shielding measurements of PVC/PANI/GNP composites is performed in the frequency range 10 MHz–20 GHz. In case of PVC/PANI (15 wt%) blends, a maximum attenuation of ∼27 dB is attained which is enhanced to ∼51 dB (max.) with the inclusion of 5 wt% GNP, mainly due to the absorption phenomena. The enhanced shielding effectiveness is achieved mainly in the frequency range 11–20 GHz. The dispersion state, fillers nature and their interaction may be the main aspects for the enhanced EMI shielding effectiveness of hybrid polymeric nanocomposites.

Original language	English
Article number	102365
Journal	Results in Physics
Volume	14
DOIs	https://doi.org/10.1016/j.rinp.2019.102365
Publication status	Published - Sep 2019

Keywords

EMI shielding
Electrical properties
Graphene
Polymeric composites

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10.1016/j.rinp.2019.102365

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title = "EMI shielding properties of polymer blends with inclusion of graphene nano platelets",

abstract = "Polymer blends of poly vinyle chloride (PVC) and polyaniline (PANI) with the inclusion of graphene nano platelets (GNP) are fabricated to enhance the EMI shielding effectiveness. The initial assessment with cyclic voltammetry has shown improved electrical conductivity both for PVC/PANI blends and PVC/PANI/GNP composites. The capacitive effect of the blends and composites is evaluated at lower frequency region (100 Hz−5 MHz). EMI shielding measurements of PVC/PANI/GNP composites is performed in the frequency range 10 MHz–20 GHz. In case of PVC/PANI (15 wt%) blends, a maximum attenuation of ∼27 dB is attained which is enhanced to ∼51 dB (max.) with the inclusion of 5 wt% GNP, mainly due to the absorption phenomena. The enhanced shielding effectiveness is achieved mainly in the frequency range 11–20 GHz. The dispersion state, fillers nature and their interaction may be the main aspects for the enhanced EMI shielding effectiveness of hybrid polymeric nanocomposites.",

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year = "2019",

month = sep,

doi = "10.1016/j.rinp.2019.102365",

language = "English",

volume = "14",

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T1 - EMI shielding properties of polymer blends with inclusion of graphene nano platelets

AU - Shakir, Muhammad Fayzan

AU - Khan, Ahmad Nawaz

AU - Khan, Ramsha

AU - Javed, Sofia

AU - Tariq, Asra

AU - Azeem, Muhammad

AU - Riaz, Adeel

AU - Shafqat, Ahmed

AU - Cheema, Hammad M.

AU - Akram, Muhammad Aftab

AU - Ahmad, Imtiaz

AU - Jan, Rahim

PY - 2019/9

Y1 - 2019/9

N2 - Polymer blends of poly vinyle chloride (PVC) and polyaniline (PANI) with the inclusion of graphene nano platelets (GNP) are fabricated to enhance the EMI shielding effectiveness. The initial assessment with cyclic voltammetry has shown improved electrical conductivity both for PVC/PANI blends and PVC/PANI/GNP composites. The capacitive effect of the blends and composites is evaluated at lower frequency region (100 Hz−5 MHz). EMI shielding measurements of PVC/PANI/GNP composites is performed in the frequency range 10 MHz–20 GHz. In case of PVC/PANI (15 wt%) blends, a maximum attenuation of ∼27 dB is attained which is enhanced to ∼51 dB (max.) with the inclusion of 5 wt% GNP, mainly due to the absorption phenomena. The enhanced shielding effectiveness is achieved mainly in the frequency range 11–20 GHz. The dispersion state, fillers nature and their interaction may be the main aspects for the enhanced EMI shielding effectiveness of hybrid polymeric nanocomposites.

AB - Polymer blends of poly vinyle chloride (PVC) and polyaniline (PANI) with the inclusion of graphene nano platelets (GNP) are fabricated to enhance the EMI shielding effectiveness. The initial assessment with cyclic voltammetry has shown improved electrical conductivity both for PVC/PANI blends and PVC/PANI/GNP composites. The capacitive effect of the blends and composites is evaluated at lower frequency region (100 Hz−5 MHz). EMI shielding measurements of PVC/PANI/GNP composites is performed in the frequency range 10 MHz–20 GHz. In case of PVC/PANI (15 wt%) blends, a maximum attenuation of ∼27 dB is attained which is enhanced to ∼51 dB (max.) with the inclusion of 5 wt% GNP, mainly due to the absorption phenomena. The enhanced shielding effectiveness is achieved mainly in the frequency range 11–20 GHz. The dispersion state, fillers nature and their interaction may be the main aspects for the enhanced EMI shielding effectiveness of hybrid polymeric nanocomposites.

KW - EMI shielding

KW - Electrical properties

KW - Graphene

KW - Polymeric composites

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DO - 10.1016/j.rinp.2019.102365

M3 - Article

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SN - 2211-3797

VL - 14

JO - Results in Physics

JF - Results in Physics

M1 - 102365

ER -

EMI shielding properties of polymer blends with inclusion of graphene nano platelets

Abstract

Keywords

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