Reducing Interfacial Thermal Resistance through Interfacial-Interaction Engineering in Functionalized Graphene

Yunao Wang

doi:10.47297/taposatWSP2633-456921.20260708

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Reducing Interfacial Thermal Resistance through Interfacial-Interaction Engineering in Functionalized Graphene

Volume 7, Issue 8

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Reducing Interfacial Thermal Resistance through Interfacial-Interaction Engineering in Functionalized Graphene
Reducing Interfacial Thermal Resistance through Interfacial-Interaction Engineering in Functionalized Graphene
School of Materials Science and Engineering, Wuhan Institute of Technology, Wuhan, Hubei, 430205, China
Vol. 7, Issue 8, Pages: 108-112(2026)
Published：30 August 2026
DOI：10.47297/taposatWSP2633-456921.20260708
Accepted：

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Wang Yunao.Reducing Interfacial Thermal Resistance through Interfacial-Interaction Engineering in Functionalized Graphene[J].Theory and Practice of Science and Technology,2026,07(08):108-112.
DOI：

Wang Yunao.Reducing Interfacial Thermal Resistance through Interfacial-Interaction Engineering in Functionalized Graphene[J].Theory and Practice of Science and Technology,2026,07(08):108-112. DOI： 10.47297/taposatWSP2633-456921.20260708.

摘要

Abstract

Graphene is an attractive thermally conductive filler for thermal interface materials because of its high intrinsic thermal conductivity. In polymer composites

however

the macroscopic thermal performance is often far below the theoretical expectation because of graphene aggregation

weak filler-matrix coupling

and phonon-spectrum mismatch. This paper examines how graphene functionalization lowers interfacial thermal resistance by regulating interfacial bonding

phonon coupling

filler dispersion

and thermal-network formation. Covalent

non-covalent

and hybrid functionalization strategies are compared. The analysis shows that moderate functionalization can strengthen interfacial interactions

suppress interfacial phonon scattering

and help construct continuous heat-transfer pathways

thereby lowering interfacial thermal resistance. Excessive functionalization

in contrast

may disrupt the sp2 carbon network and reduce the intrinsic thermal conductivity of graphene. Effective functionalization should therefore be designed as a balance between interfacial reinforcement and structural preservation.

关键词

Keywords

references

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