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231224s2012 xx |||||o 00| ||eng c |
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7 |
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|a 10.1021/la2035455
|2 doi
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|a eng
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| 100 |
1 |
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|a Zeng, Jianbo
|e verfasserin
|4 aut
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| 245 |
1 |
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|a In situ surface-enhanced Raman spectroscopic studies of nafion adsorption on Au and Pt electrodes
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|c 2012
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|a Date Completed 25.04.2012
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|a Date Revised 10.01.2012
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a Understanding interactions between Nafion (perfluorosulfonic acid) and Pt catalysts is important for the development and deployment of proton exchange membrane fuel cells. However, study of such interactions is challenging and Nafion/Pt interfacial structure remains elusive. In this study, adsorption of Nafion ionomer on Au and Pt surfaces was investigated for the first time by in situ surface-enhanced Raman spectroscopy. The study is made possible by the use of uniform SiO(2)Au core-shell particle arrays which provides very strong enhancement of Raman scattering. The high surface sensitivity offered by this approach yields insightful information on interfacial Nafion structure. Through spectral comparison of several model compounds, vibration assignments of SERS bands were made. The SER spectra suggest the direct interaction of sulfonate group with the metal surfaces, in accord with cyclic voltammetric results. Comparison of present SERS results with previous IR spectra was briefly made
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|a Journal Article
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1 |
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|a Jean, Deok-im
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ji, Chunxin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zou, Shouzhong
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 28(2012), 1 vom: 10. Jan., Seite 957-64
|w (DE-627)NLM098181009
|x 1520-5827
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| 773 |
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|g volume:28
|g year:2012
|g number:1
|g day:10
|g month:01
|g pages:957-64
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|u http://dx.doi.org/10.1021/la2035455
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