Surface-enhanced Raman scattering by composite structure of gold nanocube-PMMA-gold film Article Swipe
Xiangxian Wang
,
Xuelin Bai
,
Zhiyuan Pang
,
Jiankai Zhu
,
Yuan Wu
,
Hua Yang
,
Yunping Qi
,
Xiaolei Wen
·
YOU?
·
· 2019
· Open Access
·
· DOI: https://doi.org/10.1364/ome.9.001872
YOU?
·
· 2019
· Open Access
·
· DOI: https://doi.org/10.1364/ome.9.001872
In this study, we experimentally prepared composite structures of 170 nm gold nanocube, poly(methyl methacrylate) (PMMA) spacer layers with different thicknesses, and 50 nm gold film as substrates for surface plasmons excitation and surface-enhanced Raman scattering (SERS). The SERS spectra of gold nanocube and the composite structure were studied by using a 633 nm laser as an excitation source and rhodamine 6G (R6G) as the Raman probe molecule with 5.625 mu g/mL gold nanocube aqueous solution. It was found that the composite structures produced much stronger SERS signals than that with the single gold nanocube structure. The relationship between the intensities of SERS Raman peaks and the PMMA spacer layer thicknessess of the composite structures was found to have the same trend as that between the Raman enhancement factor and PMMA spacer layer thickness obtained by the finite element method simulation. Furthermore, a R6G concentration as low as 10(-12) M could be detected by the composite structure. (C) 2019 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
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- Type
- article
- Language
- en
- Landing Page
- https://doi.org/10.1364/ome.9.001872
- OA Status
- gold
- Cited By
- 84
- References
- 50
- Related Works
- 10
- OpenAlex ID
- https://openalex.org/W2923763407
All OpenAlex metadata
Raw OpenAlex JSON
- OpenAlex ID
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https://openalex.org/W2923763407Canonical identifier for this work in OpenAlex
- DOI
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https://doi.org/10.1364/ome.9.001872Digital Object Identifier
- Title
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Surface-enhanced Raman scattering by composite structure of gold nanocube-PMMA-gold filmWork title
- Type
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articleOpenAlex work type
- Language
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enPrimary language
- Publication year
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2019Year of publication
- Publication date
-
2019-03-21Full publication date if available
- Authors
-
Xiangxian Wang, Xuelin Bai, Zhiyuan Pang, Jiankai Zhu, Yuan Wu, Hua Yang, Yunping Qi, Xiaolei WenList of authors in order
- Landing page
-
https://doi.org/10.1364/ome.9.001872Publisher landing page
- Open access
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YesWhether a free full text is available
- OA status
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goldOpen access status per OpenAlex
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https://doi.org/10.1364/ome.9.001872Direct OA link when available
- Concepts
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Materials science, Raman scattering, Raman spectroscopy, Rhodamine 6G, Composite number, Plasmon, Colloidal gold, Analytical Chemistry (journal), Composite material, Nanotechnology, Molecule, Optics, Nanoparticle, Optoelectronics, Chemistry, Chromatography, Organic chemistry, PhysicsTop concepts (fields/topics) attached by OpenAlex
- Cited by
-
84Total citation count in OpenAlex
- Citations by year (recent)
-
2025: 2, 2024: 2, 2023: 12, 2022: 5, 2021: 11Per-year citation counts (last 5 years)
- References (count)
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50Number of works referenced by this work
- Related works (count)
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10Other works algorithmically related by OpenAlex
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