Heat rectification via suspended asymmetric graphene nanomesh

It is one of the humans’ desired goals that we want to precisely control the heat transport as the level as that we can control the electrical current. However, a high-performance thermal rectifier or thermal diode is still missing. Currently, researchers at the Japan Advanced Institute of Science and Technology (JAIST) have demonstrated a promising asymmetric graphene nanomesh device that shows a high thermal rectification ratio at low temperatures. The experiment provides a practical guideline for developing a high-efficiency thermal rectifier based on graphene nanomesh structure. The findings are published in Nano Futures.

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