Hui-jun LI , Qing ZHANG , Kun HUANG , Song-feng PEI , Wen-cai REN
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A review of thermally conductive graphene-based films
With the miniaturization and high integration of electronic devices, problems such as heat accumulation and non-uniform temperature distribution during operation have significantly compromised the reliability and stability of electronic systems, thereby hindering the advance of electronic technology. Because of the exceptionally high in-plane thermal conductivity of graphene, its films can effectively spread heat from localized hotspots to a larger heat dissipation area, thereby increasing the heat dissipation and reducing the operating temperatures of the device. As a result, such films are critical materials for thermal management in electronic equipment. This review systematically examines the relationship between their structure and thermal conductivity, outlines their main fabrication methods, explores the mechanisms for controlling defects in them using different precursors, formation processes, and heat treatments, and summarizes existing research aimed at improving their thermal conductivity. Finally, the problems associated with these films and their future development are discussed.
期刊介绍：
New Carbon Materials is a scholarly journal that publishes original research papers focusing on the physics, chemistry, and technology of organic substances that serve as precursors for creating carbonaceous solids with aromatic or tetrahedral bonding. The scope of materials covered by the journal extends from diamond and graphite to a variety of forms including chars, semicokes, mesophase substances, carbons, carbon fibers, carbynes, fullerenes, and carbon nanotubes. The journal's objective is to showcase the latest research findings and advancements in the areas of formation, structure, properties, behaviors, and technological applications of carbon materials. Additionally, the journal includes papers on the secondary production of new carbon and composite materials, such as carbon-carbon composites, derived from the aforementioned carbons. Research papers on organic substances will be considered for publication only if they have a direct relevance to the resulting carbon materials.
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