Graphene Thermoelectric Material

Nearly Doubled ZT

By tuning electron-phonon coupling via cut-off phonon frequency and grain boundary engineering, the room-temperature ZT reaches 1.23, opening a route for graphene in waste heat recovery.

Donglin, Guo · Zhang, Hongli · Li, Chunhong · Li, Kejian · Bin, Shao · Luo, Xianfu · Sun, Jianchun · Ma, Yilong

Materials Today Communications 2024

Specifications

室温晶格热导率

{'zh': '1357', 'en': ''} W/mK

奇点处晶格热导率

{'zh': '557', 'en': ''} W/mK

关键平均自由程

{'zh': '186', 'en': ''} nm

晶界

{'zh': '186', 'en': ''} nm