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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Vallés, Cristina
University of Manchester
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (19/19 displayed)
- 2024A data-driven model on the thermal transfer mechanism of composite phase change materialscitations
- 2024A data-driven model on the thermal transfer mechanism of composite phase change materialscitations
- 2023Tribology of Copper Metal Matrix Composites Reinforced with Fluorinated Graphene Oxide Nanosheets: Implications for Solid Lubricants in Mechanical Switchescitations
- 2020PMMA-grafted graphene nanoplatelets to reinforce the mechanical and thermal properties of PMMA compositescitations
- 2019Graphene/Polyelectrolyte Layer-by-Layer Coatings for Electromagnetic Interference Shieldingcitations
- 2018Insights into crystallization and melting of high density polyethylene/graphene nanocomposites studied by fast scanning calorimetrycitations
- 2016Effect of the C/O ratio in graphene oxide materials on the reinforcement of epoxy-based nanocompositescitations
- 2014Few layer graphene-polypropylene nanocomposites: the role of flake diametercitations
- 2014The rheological behaviour of concentrated dispersions of graphene oxidecitations
- 2013Graphene oxide and base-washed graphene oxide as reinforcements in PMMA nanocompositescitations
- 2012Reduced graphene oxide films as solid transducers in potentiometric all-solid-state ion-selective electrodescitations
- 2011Simultaneous reduction of graphene oxide and polyaniline: Doping-assisted formation of a solid-state charge-transfer complexcitations
- 2011Graphene: 2D-building block for functional nanocomposites
- 2009Effects of partial and total methane flows on the yield and structural characteristics of MWCNTs produced by CVDcitations
- 2009Processing route to disentangle multi-walled carbon nanotube towards ceramic compositecitations
- 2008Effects of partial and total methane flows on the yield and structural characteristics of MWCNTs produced by CVDcitations
- 2007CVD production of double-wall and triple-wall carbon nanotubescitations
- 2007CVD production of double-wall and triple-wall carbon nanotubescitations
- 2006Synthesis and properties of optically active polyaniline carbon nanotube compositescitations
Places of action
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article
Graphene/Polyelectrolyte Layer-by-Layer Coatings for Electromagnetic Interference Shielding
Abstract
Electromagnetic interference (EMI) shielding coating materials with thicknesses in the microscale are required in many sectors, including communications, medical, aerospace, and electronics, to isolate the electromagnetic radiation emitted from electronic equipment. We report a spray, layer-by-layer (LbL) coating approach to fabricate micrometer thick, highly ordered, and electrically conductive coatings with EMI shielding effectiveness (EMI SE ≥ 4830 dB/mm) through alternating self-assembly of negatively charged reduced graphene oxide (RGO) and a positively charged polyelectrolyte (PEI). The microstructure and resulting electrical properties of the (PEI/RGO)n LbL structures are studied as a function of increasing mass of graphene deposited per cycle (keeping the PEI content constant), number of deposited layers (n), flake diameter, and type of RGO. A strong effect of the lateral flake dimensions on the electrical properties is observed, which also influences the EMI SE. A maximum EMI SE of 29 dB is obtained for a 6 μm thick (PEI/RGO)10 coating with 19 vol % loading of reduced electrochemically exfoliated graphene oxide flakes with diameters ∼3 μm. This SE performance exceeds those previously reported for thicker graphene papers and bulk graphene/polymer composite films with higher RGO or graphene nanoplatelets contents, which represents an important step toward the fabrication of thin and lightweight high-performance EMI shielding structures.