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Enhanced Raman scattering of ZnO nanocrystals in the vicinity of gold and silver nanostructured surfaces

Alina Muravitskaya 1 Anna Rumyantseva 2 Serguei Kochtcheev 2 Volodymyr Dzhagan 3 Oleksandr Stroyuk 3 Pierre-Michel Adam 2
1 NASB - National Academy of Sciences of Belarus
2 LNIO - Laboratoire de Nanotechnologie et d'Instrumentation Optique
ICD - Institut Charles Delaunay
3 NASU - National Academy of Sciences of Ukraine
Abstract : Nonresonant surface enhanced Raman scattering by optical phonons of ZnO nanocrystals on and beneath silver and gold island films is reported. For both configurations comparable SERS efficiency is observed, proving their potential utility. Variations in peak intensities can be attributed to difference in the morphology of island films on and beneath nanocrystals as well as to variation of the interface between semiconductor and metal. The dominant peaks in the SERS spectra are assigned to surface optical phonon modes.
Keywords : Light scattering Raman scattering Raman spectroscopy Scanning electron microscopy Surface enhanced Raman scattering Thin films
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Submitted on : Thursday, October 10, 2019 - 4:39:23 PM
Last modification on : Wednesday, September 15, 2021 - 3:03:39 PM

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Alina Muravitskaya, Anna Rumyantseva, Serguei Kochtcheev, Volodymyr Dzhagan, Oleksandr Stroyuk, et al.. Enhanced Raman scattering of ZnO nanocrystals in the vicinity of gold and silver nanostructured surfaces. Optics Express, Optical Society of America - OSA Publishing, 2016, 24 (2), pp.A168. ⟨10.1364/OE.24.00A168⟩. ⟨hal-02311143⟩

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