Surface Morphology Control and Surface Enhanced Raman Scattering Effect of GO/Au/Ag Composite

WANG Qinsheng; YANG Yongqiang; WANG Ling; ZHANG Yan

Volume 34 Issue 4

Dec. 2020

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Article Navigation > Journal of Shanghai University of Engineering Science > 2020 > 34(4): 314-319

WANG Qinsheng, YANG Yongqiang, WANG Ling, ZHANG Yan. Surface Morphology Control and Surface Enhanced Raman Scattering Effect of GO/Au/Ag Composite[J]. Journal of Shanghai University of Engineering Science, 2020, 34(4): 314-319.

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WANG Qinsheng, YANG Yongqiang, WANG Ling, ZHANG Yan. Surface Morphology Control and Surface Enhanced Raman Scattering Effect of GO/Au/Ag Composite[J]. Journal of Shanghai University of Engineering Science, 2020, 34(4): 314-319.

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Surface Morphology Control and Surface Enhanced Raman Scattering Effect of GO/Au/Ag Composite

1.
National Graphene Products Quality Supervision and Inspection Center (Jiangsu)，Jiangsu Province Special Equipment Safety Supervision Inspection Institute, Wuxi 214174, China
2.
School of Materials Engineering, Shanghai University of Engineering Science, Shanghai 201620, China

Received Date: 2019-11-13
Publish Date: 2020-12-30

Abstract

Abstract

Surface enhanced Raman scattering (SERS) has attracted much attentions in the field of chemical detection because of its high sensitivity and nondestructive detection. Graphene oxide/Au/Ag (GO/Au/Ag) composites were prepared by in-situ chemical reduction method. Scanning electron microscopy (SEM), energy dispersive X-ray spectroscopy (EDS) and Ultraviolet-visible spctrophotometer (UV) were used to characterize the structure of the composites, and the effect of Au/Ag ratio on the morphology and SERS of composites were strudied. Rhodamine 6G (R6G) was used as the probe molecule to study the influence of composites morpfology on surface enhanced SERS. The result show that GO/Au/Ag composites have good SERS enhanced effect, and the SERS signal intensity is related to the surface morphology and the content (mass fraction) of Au and Ag. The increase of surface roughness of Au/Ag particles and the content of Au and Ag could significantly increased the SERS effect of GO/Au/Ag composites.
- graphene oxide/Au/Ag (GO/Au/Ag),
- surface enhanced Raman scattering (SERS),
- surface morphology

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References(24)

References

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