Investigation of brass as a real-time substrate for surface-enhanced Raman spectroscopy

Sardari Ghojehbeiglou, Behzad and Özcan, Meriç (2018) Investigation of brass as a real-time substrate for surface-enhanced Raman spectroscopy. In: Biophotonics: Photonic Solutions for Better Health Care VI 2018, Strasbourg, France

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The capability of brass as a real time substrate for surface enhanced Raman scattering applications is investigated. In this article, we showed that, using just the ultra-pure water as the electrolyte and the brass electrodes, ions extracted from the anode form nanoparticles on the anode surface in matter of minutes, and these nanoparticles are used for enhancing Raman signal intensity in real time. We observed enhancement factor of more than five orders of magnitude in Raman spectrum of Rhodamine B. We show that the nanoparticles formed on the brass anode surface are copper oxide nanoparticles and the enhancement of Raman signal intensity is due to these (copper oxide) nanoparticles. The zinc atoms do not affect the enhancement factor due to absence of zinc oxide nanoparticles on the anode surface. We present number of reasons to support this view in detail.
Item Type: Papers in Conference Proceedings
Uncontrolled Keywords: brass; copper oxide; electrolysis; real-time SERS substrate; Surface enhanced Raman spectroscopy
Divisions: Faculty of Engineering and Natural Sciences
Depositing User: Behzad Sardari Ghojehbeiglou
Date Deposited: 29 May 2023 14:56
Last Modified: 29 May 2023 14:56

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