Thickness-dependent morphologies of Ag on n-layer MoS2 and its surface-enhanced Raman scattering

The size and density of Ag nanoparticles on n-layer MoS2 exhibit thickness- dependent behavior. The size and density of these particles increased and decreased, respectively, with increasing layer number （n） of n-layer MoS2. Furthermore, the surface-enhanced Raman scattering （SERS） of Ag on this sub...

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Published inNano research Vol. 9; no. 6; pp. 1682 - 1688
Main Authors Deng, Ya, Chen, Minjiang, Zhang, Jian, Wang, Zihao, Huang, Wenbin, Zhao, Yun, Nshimiyimana, Jean Pierre, Hu, Xiao, Chi, Xiannian, Hou, Gu, Zhang, Xueyao, Guo, Yanjun, Sun, Lianfeng
Format Journal Article
LanguageEnglish
Published Beijing Tsinghua University Press 01.06.2016
Springer Nature B.V
Subjects
Atomic/Molecular Structure and Spectra
Biomedicine
Biotechnology
Chemistry and Materials Science
Condensed Matter Physics
Materials Science
Molybdenum disulfide
MoS2
Nanoparticles
Nanotechnology
N层结构
Raman spectra
Research Article
SERS
Silver
Substrates
二硫化钼
厚度变化
形态
表面增强拉曼散射
MoS
nanoparticle
thickness-dependent
surface-enhanced Raman scattering (SERS)
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Summary:The size and density of Ag nanoparticles on n-layer MoS2 exhibit thickness- dependent behavior. The size and density of these particles increased and decreased, respectively, with increasing layer number （n） of n-layer MoS2. Furthermore, the surface-enhanced Raman scattering （SERS） of Ag on this substrate was observed. The enhancement factor of this scattering varied with the thickness of MoS2. The mechanisms governing the aforementioned thickness dependences are proposed and discussed.
Bibliography:11-5974/O4
MoS2,nanoparticle,thickness-dependent,surface-enhanced Ramanscattering （SERS）
The size and density of Ag nanoparticles on n-layer MoS2 exhibit thickness- dependent behavior. The size and density of these particles increased and decreased, respectively, with increasing layer number （n） of n-layer MoS2. Furthermore, the surface-enhanced Raman scattering （SERS） of Ag on this substrate was observed. The enhancement factor of this scattering varied with the thickness of MoS2. The mechanisms governing the aforementioned thickness dependences are proposed and discussed.
ISSN:1998-0124
1998-0000
DOI:10.1007/s12274-016-1062-5