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Received January 29, 2018
Accepted February 27, 2018
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This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/bync/3.0) which permits
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Preparation and characterization of expanded graphite/Ag nanoparticle composites for the improvement of thermal diffusion
Department of Chemical Engineering, Kangwon National University, 1, Gangwondaehak-gil, Chuncheon-si, Gangwon-do, 24341, Korea
wglee@kangwon.ac.kr
Korean Chemical Engineering Research, June 2018, 56(3), 410-415(6), 10.9713/kcer.2018.56.3.410 Epub 4 June 2018
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Abstract
Expanded graphite (EG)/Ag nanoparticle composites were synthesized by the chemical reduction of Ag ions, followed by the addition of expanded graphite into an Ag reducing solution. The prepared composites showed uniform dispersion of Ag nanoparticles on the surface of expanded graphite and exhibited relatively higher thermal conductivities than those of pure expanded graphite. In the case of 10% Ag content in the composite, the thermal conductivity in the thickness direction was 78% higher than the pure expanded graphite. We suggest that EG/Ag nanoparticle composites are a strong candidate for advanced heat spreading material.
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Ren W, Fang YX, Wang EK, ACS Nano, 5, 6425 (2011)
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Liu RJ, Li SW, Yu XL, Zhang GJ, Zhang SL, Yao JN, Keita B, Nadjo L, Zhi LJ, Small, 8, 1398 (2012)
Mastalir A, Kiraly Z, Patzko A, Dekany I, Largentiere P, Carbon, 46, 1631 (2008)
Scheuermann GM, Rumi L, Steurer P, Bannwarth W, Mulhaupt R, J. Am. Chem. Soc., 131(23), 8262 (2009)
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Afanasov IM, Savchenko DV, Ionov SG, Rusakov DA, Seleznev AN, Avdeev VV, Inorg. Mater., 45, 486 (2009)
