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The Reaction Thermodynamics during Plating Al on Graphene Process

School of Materials Science and Engineering, North University of China, Taiyuan 030051, China
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Materials 2019, 12(2), 330; https://doi.org/10.3390/ma12020330
Received: 23 December 2018 / Revised: 15 January 2019 / Accepted: 18 January 2019 / Published: 21 January 2019
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Abstract

This research explored a novel chemical reduction of organic aluminum for plating Al on a graphene surface. The thermodynamics of the Al plating reaction process were studied. The Al plating process consisted of two stages: the first was to prepare (C2H5)3Al. In this reaction, the ΔH(enthalpy) was 10.64 kcal/mol, the ΔG(Gibbs free energy) was 19.87 kcal/mol and the ΔS(entropy) was 30.9 cal/(mol·K); this was an endothermic reaction. In the second stage, the (C2H5)3Al decomposed into Al atoms, which were gradually deposited on the surface of the graphene and the Al plating formed. At 298.15 K, the ΔH was −20.21 kcal/mol, the ΔG was −54.822 kcal/mol, the ΔS was 116.08 cal/(mol·K) and the enthalpy change was negative, thus indicating an endothermic reaction. View Full-Text
Keywords: density functional theory (DFT); thermodynamics; graphene/aluminum composites density functional theory (DFT); thermodynamics; graphene/aluminum composites
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Zhao, Z.; Bai, P.; Li, L.; Li, J.; Wu, L.; Huo, P.; Tan, L. The Reaction Thermodynamics during Plating Al on Graphene Process. Materials 2019, 12, 330.

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