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Arief I, Biswas S, Bose S. FeCo-Anchored Reduced Graphene Oxide Framework-Based Soft Composites Containing Carbon Nanotubes as Highly Efficient Microwave Absorbers with Excellent Heat Dissipation Ability. ACS Appl Mater Interfaces. 2017;9(22):19202-19214doi: 10.1021/acsami.7b04053.
Arief, I., Biswas, S., & Bose, S. (2017). FeCo-Anchored Reduced Graphene Oxide Framework-Based Soft Composites Containing Carbon Nanotubes as Highly Efficient Microwave Absorbers with Excellent Heat Dissipation Ability. ACS applied materials & interfaces, 9(22), 19202-19214. https://doi.org/10.1021/acsami.7b04053
Arief, Injamamul, et al. "FeCo-Anchored Reduced Graphene Oxide Framework-Based Soft Composites Containing Carbon Nanotubes as Highly Efficient Microwave Absorbers with Excellent Heat Dissipation Ability." ACS applied materials & interfaces vol. 9,22 (2017): 19202-19214. doi: https://doi.org/10.1021/acsami.7b04053
Arief I, Biswas S, Bose S. FeCo-Anchored Reduced Graphene Oxide Framework-Based Soft Composites Containing Carbon Nanotubes as Highly Efficient Microwave Absorbers with Excellent Heat Dissipation Ability. ACS Appl Mater Interfaces. 2017 Jun 07;9(22):19202-19214. doi: 10.1021/acsami.7b04053. Epub 2017 May 25. PMID: 28520409.
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ACS Appl Mater Interfaces. 2017 Jun 07;9(22):19202-19214. doi: 10.1021/acsami.7b04053. Epub 2017 May 25.

FeCo-Anchored Reduced Graphene Oxide Framework-Based Soft Composites Containing Carbon Nanotubes as Highly Efficient Microwave Absorbers with Excellent Heat Dissipation Ability.

ACS applied materials & interfaces

Injamamul Arief, Sourav Biswas, Suryasarathi Bose

Affiliations

  1. Department of Materials Engineering, Indian Institute of Science , Bangalore, India 560012.
  2. Department of Chemistry, National Institute of Technology Durgapur 713209, West Bengal, India.

PMID: 28520409 DOI: 10.1021/acsami.7b04053

Abstract

Conducting polymer composites containing ferromagnetic grafted-graphene derivatives are already appreciated for their lightweight, flexibility, and cost effectiveness in terms of microwave absorption. To further leverage the said properties of this wonder material, we propose a highly efficient replacement by blending conducting multiwall carbon nanotube (MWCNT) and FeCo anchored covalent cross-linked reduced graphene oxide (rGO) with poly(vinylidene fluoride) (PVDF). Interconnected conducting network of MWCNTs introduces higher electrical conductivity in the blend which is essential for microwave absorption. FeCo-anchored porous interconnected rGO framework was designed via solvent-mediated in situ coreduction in the presence of Fe(II) and Co(II) precursors. Resulting cross-linked-rGO/FeCo displays fascinating coexistence of ferromagnetism and conducting-dielectric behavior, while largely preserving the robust 3D porous interconnected structure. Coupled with conducting MWCNTs, diamine cross-linked rGO/FeCo in a soft polymer matrix yields remarkably high total shielding effectiveness (SE

Keywords: 3D porous framework; EMI shielding; cross-linked GO-MDA; ferromagnetism; rGO-MDA-FeCo; thermal conductivity

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