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

被引：8
|
作者：
Queffélec C. [1 ]
Forato F. [1 ]
Bujoli B. [1 ]
Knight D.A. [2 ]
Fonda E. [3 ]
Humbert B. [4 ]
机构：
[1] Université de Nantes, CNRS, CEISAM, UMR 6230, Nantes
[2] Department of Biomedical and Chemical Engineering and Sciences, Florida Institute of Technology, 150 West University Boulevard, Melbourne, 32901, FL
[3] Synchrotron SOLEIL, L'Ormes des Merisiers, Saint Aubin BP-48, Gif-Sur-Yvette, Cedex
[4] Institut des Matériaux Jean Rouxel, CNRS, Université de Nantes, 2 rue de la Houssinière B.P. 32229, Nantes, Cedex 3
来源：
Phys. Chem. Chem. Phys. | 2020年 / 4卷 / 2193-2199期
关键词：
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. © 2020 the Owner Societies;
D O I：
10.1039/c9cp06478h
中图分类号：
学科分类号：
摘要：
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. © 2020 the Owner Societies.
引用
收藏
页码：2193 / 2199
页数：6
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