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

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

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 differenc...

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Veröffentlicht in:Optics express 2016-01, Vol.24 (2), p.A168-A173
Hauptverfasser: Muravitskaya, Alina, Rumyantseva, Anna, Kostcheev, Sergei, Dzhagan, Volodymyr, Stroyuk, Oleksandr, Adam, Pierre-Michel
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container_end_page A173
container_issue 2
container_start_page A168
container_title Optics express
container_volume 24
creator Muravitskaya, Alina
Rumyantseva, Anna
Kostcheev, Sergei
Dzhagan, Volodymyr
Stroyuk, Oleksandr
Adam, Pierre-Michel
description 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.
doi_str_mv 10.1364/OE.24.00A168
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subjects Engineering Sciences
Optics
Photonic
title Enhanced Raman scattering of ZnO nanocrystals in the vicinity of gold and silver nanostructured surfaces
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