Enhanced interfacial thermal transport across graphene–polymer interfaces by grafting polymer chains
By Mingchao Wang, Ning Hu, Li-min Zhou, Cheng Yan. 2015
144 citations recorded by the source corpus.
Abstract Thermal transport in graphene–polymer nanocomposite is complicated and has not been well understood. The interfacial thermal transport between graphene nanofiller and polymer matrix is expected to play a key role in controlling the overall thermal performance of graphene–polymer nanocomposite. In this work, we investigated the thermal transport across graphene–polymer interfaces functionalized with end-grafted polymer chains using molecular dynamics simulations. The effects of grafting density, chain length and initial morphology on the interfacial thermal transport were systematically investigated. It was found that end-grafted polymer chains could significantly enhance interfacial thermal transport and the underlying mechanism was considered to be the enhanced vibration coupling between graphene and polymer. In addition, a theoretical model based on effective medium theory was established to predict the thermal conductivity in graphene–polymer nanocomposites.
Subfields: Materials Chemistry, Mechanics of Materials
View Paper: https://www.semanticscholar.org/paper/76d2641f7f1594f99e58b2ddcbd6b24d4523f853
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In Mechanics of Materials
Citations in the corpus
- A review on the mechanical and thermal properties of graphene and graphene-based polymer nanocomposites: understanding of modelling and MD simulation (2020, methodology): “5 MD [52] Oxide functionalised Single Length (50,125,250,500) × 27 NEMD [53] Na functionalised Single 20 × 20 MD/ab initio [54] Unmodified/vacancy defective Double 15 × 15 FEM/ANSYS [55] Unmodified/Armchair, Zigzag & vdW Single 34 × 28 MD [56] Unmodified Double/Interface Length 15,30 45 × 15 NEMD/LA”
- Gas Barrier Performance of Graphene/Polymer Nanocomposites (2015, background): “Journal of the American Chemical Society 2009, 131 (29), 9910-9911.”