Characterization of surface water on Au core Pt-group metal shell nanoparticles coated electrodes by surface-enhanced Raman spectroscopy

We utilized the strategy of 'borrowing SERS activity', by chemically coating several atomic layers of a Pt-group metal on highly SERS-active Au nanoparticles, to obtain the first SERS (also Raman) spectra of surface water on Pt and Pd metals, and propose conceptual models for water adsorbe...

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Bibliographic Details
Published in:Chemical communications (Cambridge, England) England), 2007-01 (44), p.4608-4610
Main Authors: Jiang, Yu-Xiong, Li, Jian-Fen, Wu, De-Yin, Yang, Zhi-Lin, Ren, Bin, Hu, Jia-Wen, Chow, Yuan L, Tian, Zhong-Qun
Format: Article
Language:English
Subjects:
Electrodes
Gold - chemistry
Metal Nanoparticles - chemistry
Platinum - chemistry
Sensitivity and Specificity
Spectrum Analysis, Raman - methods
Surface Properties
Water - chemistry
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Summary:We utilized the strategy of 'borrowing SERS activity', by chemically coating several atomic layers of a Pt-group metal on highly SERS-active Au nanoparticles, to obtain the first SERS (also Raman) spectra of surface water on Pt and Pd metals, and propose conceptual models for water adsorbed on Pt and Pd metal surfaces.
ISSN:1359-7345
1364-548X
DOI:10.1039/b711218a