文献详情
Experimental study of thermal rectification in suspended monolayer graphene
文献类型期刊论文
通讯作者Takamatsu, H (reprint author), Kyushu Univ, Dept Mech Engn, Fukuoka 8190395, Japan.; Chen, J (reprint author), Tongji Univ, Sch Phys Sci & Engn, Ctr Phonon & Thermal Energy Sci, Shanghai 200092, Peoples R China.; Chen, J (reprint author), Tongji Univ, Inst Adv Study, Shanghai 200092, Peoples R China.; Chen, J (reprint author), Tongji Univ, Sch Phys Sci & Engn, China EU Joint Lab Nanophonon, Shanghai 200092, Peoples R China.; Chen, J (reprint author), Tongji Univ, Sch Phys Sci & Engn, Shanghai Key Lab Specia
2017
期刊名称NATURE COMMUNICATIONS影响因子和分区
8
增刊正刊
收录情况SCI(E)(WOS:000403143800001)  
所属部门物理科学与工程学院
语言外文
ISSN2041-1723
DOI10.1038/ncomms15843
被引频次4
人气指数156
浏览次数156
基金JSPS KAKENHI [17H04907]; National Natural Science Foundation of China [51636002, 51327001, 51356001, 51506153, 11334007]; National Youth 1000 Talents Program in China; Shanghai Committee of Science and Technology in China [17ZR1448000]; Tongji University
摘要Thermal rectification is a fundamental phenomenon for active heat flow control. Significant thermal rectification is expected to exist in the asymmetric nanostructures, such as nanowires and thin films. As a one-atom-thick membrane, graphene has attracted much attention for realizing thermal rectification as shown by many molecular dynamics simulations. Here, we experimentally demonstrate thermal rectification in various asymmetric monolayer graphene nanostructures. A large thermal rectification factor of 26% is achieved in a defect-engineered monolayer graphene with nanopores on one side. A thermal rectification factor of 10% is achieved in a pristine monolayer graphene with nanoparticles deposited on one side or with a tapered width. The results indicate that the monolayer graphene has great potential to be used for designing high-performance thermal rectifiers for heat flow control and energy harvesting.
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