Probing thermal expansion coefficients of monolayers using surface enhanced Raman scattering

doi:10.1039/c6ra20623a

CORC > 合肥物质科学研究院 > 中国科学院合肥物质科学研究院 > 中科院等离子体物理研究所

	Probing thermal expansion coefficients of monolayers using surface enhanced Raman scattering
	Zhang, Duan 1; Wu, Ye-Cun 1; Yang, Mei 1; Liu, Xiao 1; Coileain, Cormac O.1,2,3; Xu, Hongjun 1,2; Abid, Mourad 2; Abid, Mohamed 2; Wang, Jing-Jing3 ; Shvets, Igor V.3
刊名	RSC ADVANCES
	2016
卷号	6 期号:101 页码:99053-99059
DOI	10.1039/c6ra20623a
文献子类	Article
英文摘要	Monolayer transition metal dichalcogenides exhibit remarkable electronic and optical properties, making them candidates for application within flexible nano-optoelectronics, however direct experimental determination of their thermal expansion coefficients (TECs) is difficult. Here, we propose a non-destructive method to probe the TECs of monolayer materials using surface-enhanced Raman spectroscopy (SERS). A strongly coupled Ag nanoparticle over-layer is used to controllably introduce temperature dependent strain in monolayers. Changes in the first-order temperature coefficient of the Raman shift, produced by TEC mismatch, can be used to estimate relative expansion coefficient of the monolayer. As a demonstration, the linear TEC of monolayer WS2 is probed and is found to be 10.3 x 10(-6) K-1, which would appear support theoretical predictions of a small TEC. This method opens a route to probe and control the TECs of monolayer materials.
WOS关键词	TRANSITION-METAL DICHALCOGENIDES ; TEMPERATURE-DEPENDENT RAMAN ; MOS2 TRANSISTORS ; LAYER MOS2 ; GRAPHENE ; WS2 ; PHONON ; WSE2 ; OPTOELECTRONICS ; CRYSTALS
WOS研究方向	Chemistry
语种	英语
WOS记录号	WOS:000387427800060
资助机构	Beijing Institute of Technology Research Fund Program for Young Scholars of King Abdulaziz City for Science and Technology ; Beijing Institute of Technology Research Fund Program for Young Scholars of King Abdulaziz City for Science and Technology ; Beijing Institute of Technology Research Fund Program for Young Scholars of King Abdulaziz City for Science and Technology ; Beijing Institute of Technology Research Fund Program for Young Scholars of King Abdulaziz City for Science and Technology ; Beijing Institute of Technology Research Fund Program for Young Scholars of King Abdulaziz City for Science and Technology ; Beijing Institute of Technology Research Fund Program for Young Scholars of King Abdulaziz City for Science and Technology ; Beijing Institute of Technology Research Fund Program for Young Scholars of King Abdulaziz City for Science and Technology ; Beijing Institute of Technology Research Fund Program for Young Scholars of King Abdulaziz City for Science and Technology ; 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National Plan for Science and technology of King Abdulaziz City for Science and Technology(NPST 2472-02 ; National Plan for Science and technology of King Abdulaziz City for Science and Technology(NPST 2472-02 ; National Plan for Science and technology of King Abdulaziz City for Science and Technology(NPST 2472-02 ; National Plan for Science and technology of King Abdulaziz City for Science and Technology(NPST 2472-02 ; National Plan for Science and technology of King Abdulaziz City for Science and Technology(NPST 2472-02 ; National Plan for Science and technology of King Abdulaziz City for Science and Technology(NPST 2472-02 ; National Plan for Science and technology of King Abdulaziz City for Science and Technology(NPST 2472-02 ; National Plan for Science and technology of King Abdulaziz City for Science and Technology(NPST 2472-02 ; National Plan for Science and technology of King Abdulaziz City for Science and Technology(NPST 2472-02 ; National Plan for Science and technology of King Abdulaziz City for Science and Technology(NPST 2472-02 ; 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Beijing Institute of Technology Research Fund Program for Young Scholars of King Abdulaziz City for Science and Technology ; Beijing Institute of Technology Research Fund Program for Young Scholars of King Abdulaziz City for Science and Technology ; National Plan for Science and technology of King Abdulaziz City for Science and Technology(NPST 2472-02 ; National Plan for Science and technology of King Abdulaziz City for Science and Technology(NPST 2472-02 ; National Plan for Science and technology of King Abdulaziz City for Science and Technology(NPST 2472-02 ; National Plan for Science and technology of King Abdulaziz City for Science and Technology(NPST 2472-02 ; National Plan for Science and technology of King Abdulaziz City for Science and Technology(NPST 2472-02 ; National Plan for Science and technology of King Abdulaziz City for Science and Technology(NPST 2472-02 ; National Plan for Science and technology of King Abdulaziz City for Science and Technology(NPST 2472-02 ; National Plan for Science and technology of King Abdulaziz City for Science and Technology(NPST 2472-02 ; 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内容类型	期刊论文
源URL	[http://ir.hfcas.ac.cn:8080/handle/334002/21893]
专题	合肥物质科学研究院_中科院等离子体物理研究所
作者单位	1.Beijing Inst Technol, Sch Phys, Beijing Key Lab Nanophoton & Ultrafine Optoelect, Beijing 100081, Peoples R China 2.King Saud Univ, KSU Aramco Ctr, Riyadh 11451, Saudi Arabia 3.Univ Dublin, Trinity Coll, Sch Phys, CRANN, Dublin 2, Ireland 4.Chinese Acad Sci, Inst Plasma Phys, Hefei 230031, Peoples R China 5.Korea Res Inst Stand & Sci, Div Ind Metrol, Daejeon 305340, South Korea
推荐引用方式 GB/T 7714	Zhang, Duan,Wu, Ye-Cun,Yang, Mei,et al. Probing thermal expansion coefficients of monolayers using surface enhanced Raman scattering[J]. RSC ADVANCES,2016,6(101):99053-99059.
APA	Zhang, Duan.,Wu, Ye-Cun.,Yang, Mei.,Liu, Xiao.,Coileain, Cormac O..,...&Wu, Han-Chun.(2016).Probing thermal expansion coefficients of monolayers using surface enhanced Raman scattering.RSC ADVANCES,6(101),99053-99059.
MLA	Zhang, Duan,et al."Probing thermal expansion coefficients of monolayers using surface enhanced Raman scattering".RSC ADVANCES 6.101(2016):99053-99059.