| 光谱学与光谱分析 |
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| Adsorption Studies of γ-Aminopropyltrimethoxysilane on Iron Surfaces by Surface-Enhanced Raman Spectroscopy |
| CHEN Hui1, SHEN Xiao-ying1, GU Wei1, GU Ren-ao1*, LIU Jin-xuan2, REN Bin2*, TIAN Zhong-qun2 |
1. Department of Chemistry, Soochow University, Suzhou 215006, China
2. State Key Laboratory for Physical Chemistry of Solid Surfaces, Department of Chemistry, Xiamen University, Xiamen 361005, China |
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Abstract The films of γ-aminopropyltrimethoxysilane (γ-APS) on iron electrode surfaces were studied. The silane films were characterized by in-situ Surface-Enhanced Raman Spectroscopy (SERS). It has been found that the potential-dependent Surface-enhanced Raman Spectroscopy are useful for diagnosing the formation and structure of γ-APS moieties bound onto the surface of metal substrates. Results of SERS indicated that the silanol and amino groups were adsorbed competitively on the metal surfaces. At the same time, the electrode potential, and illumination of laser all have great influence on the nature of these head groups. It was also found that the different states of amine transformed with the change in the potential.
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Received: 2003-06-11
Accepted: 2003-10-26
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Corresponding Authors:
GU Ren-ao,REN Bin
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| Cite this article: |
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CHEN Hui,SHEN Xiao-ying,GU Wei, et al. Adsorption Studies of γ-Aminopropyltrimethoxysilane on Iron Surfaces by Surface-Enhanced Raman Spectroscopy [J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2004, 24(05): 543-546.
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| URL: |
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http://www.gpxygpfx.com/EN/Y2004/V24/I05/543 |
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