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Numerical Study on Surface Enhanced Raman ScatteringSubstrates Composed of Two Metals(PDF)

《南京师大学报（自然科学版）》[ISSN:1001-4616/CN:32-1239/N]

Issue:
2016年01期
Page:
53-
Research Field:
物理学
Publishing date:

Info

Title:
Numerical Study on Surface Enhanced Raman ScatteringSubstrates Composed of Two Metals
Author(s):
Yao Jie; Mao Hong
School of Physics and Technology，Nanjing Normal University，Nanjing 210023，China
Keywords:
Surface Enhanced Raman Scattering（SERS）; Surface Plasmon Resonance（SPR）; Metal-Insulator-Metal（MIM）
PACS:
O436.2
DOI:
-
Abstract:
A dual-metal substrate of gold-dielectric-silver for Surface Enhanced Raman Scattering（SRES）is studied through numerical simulations. The calculations show that the enhancement of SERS can be improved by 89% compared with the single-metal substrate based on gold. Compared with the single-metal substrate of silver，this substrate is immune to oxygenations，and the local field enhancement from high order resonance is decreased to 60% due to the loss of gold at the visible wave range. These results will be helpful for the study on SERS substrates of high selectivity and reliability.

References:

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Memo

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Last Update: 2016-03-30