Journal
NANOSCALE
Volume 13, Issue 32, Pages 13641-13649Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/d1nr02934g
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Funding
- Key-Area Research and Development Program of Guangdong Province [2020B010190004]
- National Natural Science Foundation of China [11890703, 11935010]
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The study demonstrated the manipulation of thermal conductivity in metallophthalocyanine nanowires through electron beam irradiation, and tested thermal rectifiers on crystal-amorphous heterostructures, finding consistent results with simulations.
Thermal manipulation in nanowires (NWs) is of great significance for NW-based applications in the area of heat management and energy harvesting. Here, we experimentally demonstrate thermal conductivity manipulation and thermal rectification in pi-stacked metallophthalocyanine (MPcs) NWs. By electron beam (E-beam) irradiation with a controllable dose, the thermal conductance of MPcs NWs can be continuously tuned to the desired values. Three thermal rectifiers were further tested on crystal-amorphous heterostructures and the thermal rectification was found to be 3.3% with a temperature bias of 10 K when T = 40 K, which is consistent with COMSOL simulations.
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