SERS in opal-type stripe patterned structures with metal coating

IF 2.5 3区物理与天体物理 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY

Photonics and Nanostructures-Fundamentals and Applications Pub Date : 2025-03-31 DOI:10.1016/j.photonics.2025.101384

Mikhail Astafurov , Elena Perevedentseva , Nikolay Melnik , Mikhail Shevchenko , Sergey Dorofeev , Alexander Ezhov , Daniil Kozlov , Anastasia Grigorieva , Sergey Klimonsky

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Abstract

Bilayer opal-type stripes periodically arranged on the same substrate were self-assembled using the vertical deposition of SiO₂ spheres with the intermittent motion of the meniscus. It has been shown that each such stripe with a gold or silver coating can be considered as an independent element for surface enhanced Raman scattering (SERS). The thicknesses of the gold and silver coatings were optimized using computer simulations of electromagnetic field enhancement. Monolayer or bilayer stripes of such type are not inferior to thick opal films with noble metal coating. The stripe patterned structures are easy to manufacture, exhibit good homogeneity and may be promising for automating multiple SERS tests. The structures with gold coating also demonstrate high resistance to environmental influences. The prospects for further improvement of their properties were analyzed.

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来源期刊

Photonics and Nanostructures-Fundamentals and Applications 工程技术-材料科学：综合

CiteScore

5.00

自引率

3.70%

发文量

审稿时长

62 days

期刊介绍： This journal establishes a dedicated channel for physicists, material scientists, chemists, engineers and computer scientists who are interested in photonics and nanostructures, and especially in research related to photonic crystals, photonic band gaps and metamaterials. The Journal sheds light on the latest developments in this growing field of science that will see the emergence of faster telecommunications and ultimately computers that use light instead of electrons to connect components.