Enhanced electromagnetic interference shielding using Nanosilver-Decorated Graphene/Poly(vinyl chloride) nanocomposite films

Mahnoor Shahzad; Sohaib Shahid; Z. A. Rehan; Tingkai Zhao; Kinza Fatima; HM Fayzan Shakir; Imran Shahid

doi:10.1016/j.matchemphys.2023.128817

Enhanced electromagnetic interference shielding using Nanosilver-Decorated Graphene/Poly(vinyl chloride) nanocomposite films

Mahnoor Shahzad, Sohaib Shahid, Z. A. Rehan, Tingkai Zhao, Kinza Fatima, HM Fayzan Shakir^*, Imran Shahid^*

^*Corresponding author for this work

Chemistry

Research output: Contribution to journal › Article › peer-review

Abstract

Silver nanoparticles (AgNPs) were prepared by chemical reduction and grafted onto thermally reduced graphene oxide (TRGO) sheets. PVC-based nanocomposite films with various Ag/TRGO concentrations were synthesized via solution casting. The film containing 50 wt% Ag/TRGO exhibited the highest AC conductivity (6.23 × 10² S/cm⁻¹) and DC-conductivity (1.78 × 10² S/cm). In the near-infrared region, films with high Ag/TRGO content showed less than 0.1 % transmission. Film with a thickness of approximately 95 μm demonstrated a shielding effectiveness (SE) of over 100 dB within the frequency range of 100 Hz to 5 MHz. This study highlights the potential of Ag/TRGO nanocomposite films in electromagnetic interference shielding applications.

Original language	English
Article number	128817
Journal	Materials Chemistry and Physics
Volume	314
DOIs	https://doi.org/10.1016/j.matchemphys.2023.128817
Publication status	Published - Feb 15 2024

Keywords

DC conductivity
EDX
EMI shielding
Nanocomposites
Silver nanoparticles
TRGO

ASJC Scopus subject areas

General Materials Science
Condensed Matter Physics

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10.1016/j.matchemphys.2023.128817

Cite this

@article{a9876c0ef35e448a9fb1dca2110e3edd,

title = "Enhanced electromagnetic interference shielding using Nanosilver-Decorated Graphene/Poly(vinyl chloride) nanocomposite films",

abstract = "Silver nanoparticles (AgNPs) were prepared by chemical reduction and grafted onto thermally reduced graphene oxide (TRGO) sheets. PVC-based nanocomposite films with various Ag/TRGO concentrations were synthesized via solution casting. The film containing 50 wt% Ag/TRGO exhibited the highest AC conductivity (6.23 × 102 S/cm−1) and DC-conductivity (1.78 × 102 S/cm). In the near-infrared region, films with high Ag/TRGO content showed less than 0.1 % transmission. Film with a thickness of approximately 95 μm demonstrated a shielding effectiveness (SE) of over 100 dB within the frequency range of 100 Hz to 5 MHz. This study highlights the potential of Ag/TRGO nanocomposite films in electromagnetic interference shielding applications.",

keywords = "DC conductivity, EDX, EMI shielding, Nanocomposites, Silver nanoparticles, TRGO",

author = "Mahnoor Shahzad and Sohaib Shahid and Rehan, {Z. A.} and Tingkai Zhao and Kinza Fatima and Shakir, {HM Fayzan} and Imran Shahid",

note = "Publisher Copyright: {\textcopyright} 2023 Elsevier B.V.",

year = "2024",

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day = "15",

doi = "10.1016/j.matchemphys.2023.128817",

language = "English",

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journal = "Materials Chemistry and Physics",

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T1 - Enhanced electromagnetic interference shielding using Nanosilver-Decorated Graphene/Poly(vinyl chloride) nanocomposite films

AU - Shahzad, Mahnoor

AU - Shahid, Sohaib

AU - Rehan, Z. A.

AU - Zhao, Tingkai

AU - Fatima, Kinza

AU - Shakir, HM Fayzan

AU - Shahid, Imran

PY - 2024/2/15

Y1 - 2024/2/15

N2 - Silver nanoparticles (AgNPs) were prepared by chemical reduction and grafted onto thermally reduced graphene oxide (TRGO) sheets. PVC-based nanocomposite films with various Ag/TRGO concentrations were synthesized via solution casting. The film containing 50 wt% Ag/TRGO exhibited the highest AC conductivity (6.23 × 102 S/cm−1) and DC-conductivity (1.78 × 102 S/cm). In the near-infrared region, films with high Ag/TRGO content showed less than 0.1 % transmission. Film with a thickness of approximately 95 μm demonstrated a shielding effectiveness (SE) of over 100 dB within the frequency range of 100 Hz to 5 MHz. This study highlights the potential of Ag/TRGO nanocomposite films in electromagnetic interference shielding applications.

AB - Silver nanoparticles (AgNPs) were prepared by chemical reduction and grafted onto thermally reduced graphene oxide (TRGO) sheets. PVC-based nanocomposite films with various Ag/TRGO concentrations were synthesized via solution casting. The film containing 50 wt% Ag/TRGO exhibited the highest AC conductivity (6.23 × 102 S/cm−1) and DC-conductivity (1.78 × 102 S/cm). In the near-infrared region, films with high Ag/TRGO content showed less than 0.1 % transmission. Film with a thickness of approximately 95 μm demonstrated a shielding effectiveness (SE) of over 100 dB within the frequency range of 100 Hz to 5 MHz. This study highlights the potential of Ag/TRGO nanocomposite films in electromagnetic interference shielding applications.

KW - DC conductivity

KW - EDX

KW - EMI shielding

KW - Nanocomposites

KW - Silver nanoparticles

KW - TRGO

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ER -

Enhanced electromagnetic interference shielding using Nanosilver-Decorated Graphene/Poly(vinyl chloride) nanocomposite films

Abstract

Keywords

ASJC Scopus subject areas

Access to Document

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