Observation of surface‐enhanced Raman scattering for transition‐metal hexaammine cations at the outer Helmholtz plane: Implications for enhancement mechanisms at electrochemical interfaces

1984 ◽  
Vol 80 (3) ◽  
pp. 1363-1365 ◽  
Author(s):  
M. A. Tadayyoni ◽  
Stuart Farquharson ◽  
Michael J. Weaver
Keyword(s):  
Transition Metal ◽  
Raman Scattering ◽  
Surface Enhanced Raman Scattering ◽  
Surface Enhanced ◽  
Surface Enhanced Raman ◽  
Enhanced Raman Scattering ◽  
Electrochemical Interfaces ◽  
Outer Helmholtz Plane

Surface-enhanced Raman scattering from metal and transition metal nano-caped arrays

2018 ◽  
Vol 115 ◽  
pp. 59-66 ◽  
Author(s):  
Huanhuan Sun ◽  
Renxian Gao ◽  
Aonan Zhu ◽  
Zhong Hua ◽  
Lei Chen ◽  
...  
Keyword(s):  
Transition Metal ◽  
Raman Scattering ◽  
Surface Enhanced Raman Scattering ◽  
Surface Enhanced ◽  
Surface Enhanced Raman ◽  
Enhanced Raman Scattering

Synthesis of Large-Area MoSe2 Monolayer Film for Surface-Enhanced Raman Scattering Analysis

NANO ◽  
2021 ◽  
pp. 2150076
Author(s):  
Kongjia Zheng ◽  
Jianjun Deng ◽  
Zhonghao Zhou ◽  
Jinglong Chen ◽  
Zhiyong Wang ◽  
...  
Keyword(s):  
Transition Metal ◽  
Raman Scattering ◽  
Surface Enhanced Raman Scattering ◽  
Chemical Vapor Deposition Method ◽  
Enhancement Effect ◽  
Transition Metal Dichalcogenide ◽  
Two Dimensional ◽  
Surface Enhanced ◽  
Surface Enhanced Raman ◽  
Enhanced Raman Scattering

Ultrathin two-dimensional transition metal dichalcogenides represent a promising new class of materials with surface-enhanced Raman scattering (SERS) activities. Previous work mainly focused on the SERS effects of transition metal dichalcogenide crystals with sizes of micrometer scale. The enhancement effect is usually nonuniform on the SERS substrates. In this paper, we report a chemical vapor deposition method for the preparation of centimeter-scale MoSe2 films with uniform and high SERS activity. The molybdenum precursors are supplied in a “face-to-face” manner from a silica gel plate to the growth substrate, which guarantees uniform nucleation and growth of the monolayer MoSe2. We demonstrate that the monolayer MoSe2 film has strong SERS effect, which can be attributed to charge transfer between MoSe2 and the probe molecules. The detection limit of Rhodamine B on monolayer MoSe2 is determined to be 10[Formula: see text][Formula: see text]mol/L, and the Raman enhancement factor is estimated to be [Formula: see text]. Due to its atomic uniformity and chemical stability, the MoSe2 film can serve as an ideal two-dimensional SERS material for detection of various molecules.

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