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Graphene Thermal Emitter with Enhanced Joule Heating and Localized Light Emission in Air
Luo, Fang1; Fan, Yansong1; Peng, Gang2; Xu, Shuigang3; Yang, Yaping3; Yuan, Kai4; Liu, Jinxin5; Ma, Wei6; Xu, Wei1; Zhu, Zhi Hong1; Zhang, Xue-Ao2,7; Mishchenko, Artem3; Ye, Yu4; Huang, Han5; Han, Zheng6; Ren, Wencai6; Novoselov, Kostya S.3; Zhu, Mengjian1; Qin, Shiqiao1
Corresponding AuthorXu, Wei(weixu08a@163.com) ; Zhu, Mengjian(zhumengjian11@nudt.edu.cn)
2019-08-01
Source PublicationACS PHOTONICS
ISSN2330-4022
Volume6Issue:8Pages:2117-2125
AbstractControlling thermal radiation in nanoscale is critical for verifying the Planck's law in subwavelength limit, and is the key for a range of innovative technologies including energy, display and security. Benefit from the superior electronic, thermal, and mechanical properties, electrically biased graphene has been recently demonstrated as promising thermal emitter with only one-atom thickness. Here, we show an enhancement of Joule heating effect in graphene by confining the current flow through narrow constrictions. The lattice temperature distribution of graphene shows a well localized "hot spot" at the middle of the constriction. Hexagonal boron nitride encapsulated graphene devices can sustain high lattice temperature up to similar to 1600 K, enabling localized light emission from the constriction in air. The spectrum of graphene emitter is drastically modified to visible range by the photonic cavity composed of SiO2 and hBN dielectrics. The intensity of emission can be tuned by changing the applied bias voltage. A 4 X 4 graphene emitters array is realized using chemical vapor deposited graphene and atomic layer deposited Al2O3 capping layer to demonstrate the scalability and compatibility to Si platform of this technique. The results explore one potential "killer application" of graphene-based devices as electrically driven thermal emitters, paving the way for future nano-optoelectronics.
Keywordgraphene Joule heating thermal radiation light emission photonic cavity
Funding OrganizationNational Key R&D Program of China ; National Natural Science Foundation of China
DOI10.1021/acsphotonics.9b00667
Indexed BySCI
Language英语
Funding ProjectNational Key R&D Program of China[2018YFA0306900] ; National Natural Science Foundation of China[11574395] ; National Natural Science Foundation of China[11874423]
WOS Research AreaScience & Technology - Other Topics ; Materials Science ; Optics ; Physics
WOS SubjectNanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Optics ; Physics, Applied ; Physics, Condensed Matter
WOS IDWOS:000482545400039
PublisherAMER CHEMICAL SOC
Citation statistics
Cited Times:10[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/135424
Collection中国科学院金属研究所
Corresponding AuthorXu, Wei; Zhu, Mengjian
Affiliation1.Natl Univ Def Technol, Coll Adv Interdisciplinary Studies, Changsha 410073, Hunan, Peoples R China
2.Natl Univ Def Technol, Coll Liberal Arts & Sci, Changsha 410073, Hunan, Peoples R China
3.Univ Manchester, Natl Graphene Inst, Manchester M13 9PL, Lancs, England
4.Peking Univ, Sch Phys, State Key Lab Artificial Microstruct & Mesoscop P, Beijing 100871, Peoples R China
5.Cent S Univ, Sch Phys & Elect, Changsha 410004, Hunan, Peoples R China
6.Chinese Acad Sci, Inst Met Res, Shenyang 110016, Liaoning, Peoples R China
7.Xiamen Univ, Coll Phys Sci & Technol, Xiamen 361005, Fujian, Peoples R China
Recommended Citation
GB/T 7714
Luo, Fang,Fan, Yansong,Peng, Gang,et al. Graphene Thermal Emitter with Enhanced Joule Heating and Localized Light Emission in Air[J]. ACS PHOTONICS,2019,6(8):2117-2125.
APA Luo, Fang.,Fan, Yansong.,Peng, Gang.,Xu, Shuigang.,Yang, Yaping.,...&Qin, Shiqiao.(2019).Graphene Thermal Emitter with Enhanced Joule Heating and Localized Light Emission in Air.ACS PHOTONICS,6(8),2117-2125.
MLA Luo, Fang,et al."Graphene Thermal Emitter with Enhanced Joule Heating and Localized Light Emission in Air".ACS PHOTONICS 6.8(2019):2117-2125.
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