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Issue 4, 2020
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Investigation of copper oxidation states in plasmonic nanomaterials by XAS and Raman spectroscopy

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Abstract

Plasmonic core–shell-isolated nanoparticles are promising nanoplatforms for photocatalysis and for low detection analysis. This paper describes the characterization of a 2,2′-bipyridine phosphonate functionalized Ag@TiO2 nanocomposite which complexes copper ions by enhanced Raman spectroscopy and X-ray absorption (XANES and EXAFS). We distinguished Cu(I) from Cu(II) complexes using shell-isolated nanoparticle enhanced Raman (SHINERS) combined with XAS spectroscopy.

Graphical abstract: Investigation of copper oxidation states in plasmonic nanomaterials by XAS and Raman spectroscopy

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Article information


Submitted
29 Nov 2019
Accepted
20 Dec 2019
First published
21 Dec 2019

Phys. Chem. Chem. Phys., 2020,22, 2193-2199
Article type
Paper

Investigation of copper oxidation states in plasmonic nanomaterials by XAS and Raman spectroscopy

C. Queffélec, F. Forato, B. Bujoli, D. A. Knight, E. Fonda and B. Humbert, Phys. Chem. Chem. Phys., 2020, 22, 2193
DOI: 10.1039/C9CP06478H

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