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説明:

The ability for surface-enhanced Raman spectroscopy (SERS) study of fluorescent – rhodamine 6G (R6G) and methylene blue (MB) – as well as nonfluorescent (coconut milk) probing chemicals with 355 nm excitation wavelength was demonstrated according to our knowledge for the first time. Aluminum nanostructures (NSs) arrays used were produced by direct pulsed deposition either with ps laser on fused silica substrate or with ns laser decomposition of AlN ceramic surface – all active substrates were produced for the first time. The efficiency of the Al active nanostructures produced on AlN for 355 nm SERS was simulated using the finite difference time domain (FDTD) method. 355 nm SERS was used as an alternative instead of excitation with more high-energetic ultraviolet (UV) or deep ultraviolet (DUV) wavelengths. The increase of the sensitivity of the active alumina substrates was discussed.

権利情報:

• In Copyright
  

  © Union of the Physicists in Bulgaria (UPB)

キーワード: 55 nm SERS, Al active nanostructures, AlN decomposition, FDTD simulations, R6G, MB, coconut milk

刊行年月日: 2025-12-28

出版者: Union of Physicists in Bulgaria

掲載誌:

• Bulgarian Journal of Physics vol. 52 issue. 4 p. 422-434

研究助成金:

原稿種別: 著者最終稿 (Accepted manuscript)

MDR DOI: https://doi.org/10.48505/nims.6283

公開URL: https://doi.org/10.55318/bgjp.2025.52.4.422

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更新時刻: 2026-05-12 11:01:23 +0900

MDRでの公開時刻: 2026-05-12 12:26:59 +0900