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Surface Plasmon Assisted Directional Rayleigh Scattering
Shen-long Jiang,Lu Chen,Xin-xin Yu,Hong-jun Zheng,Ke Lin,Qun Zhang*,Xiao-ping Wang,Yi Luo*
Author NameAffiliationE-mail
Shen-long Jiang Hefei National Laboratory for Physical Sciences at the Microscale, University of Science and Tech-nology of China, Hefei 230026, China  
Lu Chen Department of Chemical Physics, University of Science and Technology of China, Hefei 230026, China  
Xin-xin Yu Hefei National Laboratory for Physical Sciences at the Microscale, University of Science and Tech-nology of China, Hefei 230026, China;Department of Physics, University of Science and Technology of China, Hefei 230026, China  
Hong-jun Zheng Department of Chemical Physics, University of Science and Technology of China, Hefei 230026, China  
Ke Lin Hefei National Laboratory for Physical Sciences at the Microscale, University of Science and Tech-nology of China, Hefei 230026, China  
Qun Zhang* Hefei National Laboratory for Physical Sciences at the Microscale, University of Science and Tech-nology of China, Hefei 230026, China;Department of Chemical Physics, University of Science and Technology of China, Hefei 230026, China qunzh@ustc.edu.cn 
Xiao-ping Wang Hefei National Laboratory for Physical Sciences at the Microscale, University of Science and Tech-nology of China, Hefei 230026, China;Department of Physics, University of Science and Technology of China, Hefei 230026, China  
Yi Luo* Hefei National Laboratory for Physical Sciences at the Microscale, University of Science and Tech-nology of China, Hefei 230026, China;Department of Chemical Physics, University of Science and Technology of China, Hefei 230026, China yiluo@ustc.edu.cn 
Abstract:
The origin of the Rayleigh scattering ring effect has been experimentally examined on a quantum dot/metal film system, in which CdTe quantum dots embedded in PVP are spin-coated on a thin Au film. On the basis of the angle-dependent, optical measurements under different excitation schemes (i.e., wavelength and polarization), we demonstrate that sur-face plasmon assisted directional radiation is responsible for such an effect. Moreover, an interesting phase-shift behavior is addressed.
Key words:  Surface plasmon  Directional Rayleigh scattering  Quantum dot  Metal film
FundProject:This work was partially supported by the Ministry of Science and Technology of China (No.HH2060030013 and No.2016YFA0200602), the National Natu-ral Science Foundation of China (No.21573211 and No.21421063), the Chinese Academy of Sci-ences (No.XDB01020000), and the Fundamen-tal Research Funds for the Central Universities (No.WK2340000063)
表面等离激元协助的方向性瑞利光散射研究
江申龙,陈鹿,于欣欣,郑红军,林珂,张群*,王晓平,罗毅*
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DOI:10.1063/1674-0068/30/cjcp1611204
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