Exploring Graphene Coated Copper Nanoparticles as a multifunctional Nanofiller for Micro-Scaled Copper Paste

• DOI: 10.23919/empc53418.2021.9584993
• Publication Date: 2021-11-01T20:55:34Z
• Authors: Abdelhafid Zehri; Torbjorn M.J. Nil...; Yifeng Fu; Johan Liu
• Keywords: Thermogravimetric analysis; Nanomaterials

The current development of the electronics system requires capabilities beyond conventional heat transfer approaches. New solutions based on advanced materials are being developed to tackle challenges in systems and nanoscale 2D such as graphene at centre effort exploit intrinsic properties carbon nanomaterials. In this work, we introduce a new concept graphene-coated copper nanoparticles (G-CuNPs) explore their multifunctional potential applications metallic paste used electronics. powder was found present core/shell structure with particle its core disordered multilayer continuously coating surface. composition particles analysed, presence provide oxidation protection for core. Thermogravimetric analysis (TGA) showed an additional role G-CuNPs reduction effect without use reducing agent. Furthermore, due combined size oxidation-free core, Differential Scanning Calorimetry (DSC) revealed melting depression temperatures low $155 ^{\circ}\mathrm{C}$. Finally, mechanical nanocoating were investigated results enhanced ductility surface multi-layered structure, which might be exploited flow lubrication effect.