The Phytic Acid / AMT Mixed Monolayers at the Silver electrode： Surface Enhanced Raman Scattering Spectroscopy and Electrochemical Methods

Acta Chimica Sinica ›› 2009, Vol. 0 ›› Issue (1): 13-18. Previous Articles Next Articles

银电极上植酸/AMT混合自组装层的表面增强拉曼光谱和电化学研究

宋巍纪佳华马晓铃孙一平朱璇段国萍陆玉婷杨海峰²

投稿日期:2008-05-19 修回日期:2008-07-07 发布日期:2009-12-30
通讯作者: 杨海峰 E-mail:hfyang@shnu.edu.cn
基金资助:
上海市科委基础研究重点基金（No.06JC14094）；上海市教委重点研究基金（No.06ZZ18）；湖南大学化学/生物传感与化学计量学国家重点实验室开放基金（No.2006012）和上海师范大学前瞻性预研基金（No.DYL200703）资助

The Phytic Acid / AMT Mixed Monolayers at the Silver electrode： Surface Enhanced Raman Scattering Spectroscopy and Electrochemical Methods

Received:2008-05-19 Revised:2008-07-07 Published:2009-12-30

Abstract

The relationship between the structure and anticorrosive effect of the AMT/phytic acid mixed monolayers at the silver surface was investigated by SERS and electrochemical method. The results of SERS experiment showed that, phytic acid could penetrate into AMT monolayers on the silver electrode through a self-assembled process. Spectra of electrochemical impedance spectroscopy indicated that, the anticorrosive effect of AMT/phytic acid mixed monolayers was better than that of AMT monolayers on the silver electrode. The AMT monolayers was in agreement with theoretic evaluation of the R(Q(R(Q(RW)))) model, while the AMT/Phytic Acid mixed monolayers was LR(Q(R(Q(R)))) model.

Key words: SERS, Phytic acid/ AMT, mixed monolayer, EIS, Tafel plot

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银电极上植酸/AMT混合自组装层的表面增强拉曼光谱和电化学研究

The Phytic Acid / AMT Mixed Monolayers at the Silver electrode： Surface Enhanced Raman Scattering Spectroscopy and Electrochemical Methods

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