石墨烯导热研究进展

宋厚甫, 康飞宇

Recent Progress on Thermal Conduction of Graphene

Houfu Song, Feiyu Kang

表1 石墨烯热导率测量主要研究结果

Table 1 A summary of measurement result on graphene thermal conductivity.

Sample Thermal conductivity (W·m-1·K-1) Measurement method Preparation method Suspended Single-layer graphene 6 5300 ± 480 Raman Mechanical exfoliation Single-layer graphene 17 2500 + 1100/-1050 Raman CVD 2-layer graphene 25 620 ± 80 Suspended-pad Mechanical exfoliation Single-layer graphene 26 1689 ± 100 Suspended-pad CVD Supported Single-layer graphene 8 579 ± 34 Suspended-pad Mechanical exfoliation, SiO2 substrate Single-layer graphene 16 630 Raman Mechanical exfoliation, SiO2 substrate Single-layer graphene 17 370 + 650/-320 Raman CVD, Au/SiNx substrate 3-layer graphene 24 327 Suspended-pad Mechanical exfoliation, SiNx substrate Bulk Multi-layer graphene 35 1930 ± 1400 TDTR Mechanical exfoliation, thickness 194 nm HOPG 38 1800 TDTR Bulk HOPG 39 1861 ± 744 TDTR Bulk HOPG 40 1843 TDTR Bulk Graphene film 48 1100 Laser flash Reduced graphene oxide Graphene film 10 1940 Laser flash Reduced graphene oxide