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Raman spectrometry: Sensitive tool for sample mapping?

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    0577864 - ÚIACH 2024 RIV VN eng C - Conference Paper (international conference)
    Týčová, Anna - Kovářová, Z. - Blatná, K. - Bednařík, A. - Přikryl, Jan
    Raman spectrometry: Sensitive tool for sample mapping?
    8th CASEAN Proceedings. Vinh City: Publishing House for Science and Technology, 2023, s. 11-18. ISBN 978-604-357-225-4.
    [The Academic Conference On Natural Science For Young Scientists, Master And PhD Students From Asean Countries /8./. Vinh City (VN), 27.08.2023-30.08.2023]
    R&D Projects: GA ČR(CZ) GJ20-14069Y
    Grant - others:AV ČR(CZ) VAST-22-01
    Program: Bilaterální spolupráce
    Institutional support: RVO:68081715
    Keywords : raman spectrometry * surface enhancement * substrate * nanostructures
    OECD category: Analytical chemistry
    https://hdl.handle.net/11104/0346292

    Raman spectrometry is an optical method, which monitors the vibrations of molecules. As such, the Raman spectra encode the structure of the analytes and can be used for unequivocal analyte identification. While traditional Raman measurements are well-established for highly concentrated samples, they lack in the analyses of trace components. The presence of nanostructured plasmonic metal boosts remarkably the sensitivity via the effect of surface enhancement. In this work, we use a sputtering process for the feasible formation of homogeneous silver nanolayers acting as a reliable metal substrate. Such nanostructures are well-suited for the analysis of liquid samples and more interestingly, their deposition on the solid planar samples can open a way for their SERS-based chemical mapping.
    Permanent Link: https://hdl.handle.net/11104/0346965

     
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