The Influence of Thickness of Stearic Acid Self-Assembled Film on Its Protective Properties

被引：23

作者：

Gretic, Zana Hajdari ^{[1
]}

Mioc, Ekatarina Kristan ^{[1
]}

Cadez, Vida ^{[2
]}

Segota, Suzana ^{[2
]}

Curkovic, Helena Otmacic ^{[1
]}

Hosseinpour, Saman ^{[3
]}

机构：

[1] Univ Zagreb, Fac Chem Engn & Technol, Dept Electrochem, Zagreb 10000, Croatia

[2] Rudjer Boskovic Inst, Div Phys Chem, Zagreb 10000, Croatia

[3] Max Planck Inst Polymer Res, D-55128 Mainz, Germany

来源：

JOURNAL OF THE ELECTROCHEMICAL SOCIETY | 2016年 / 163卷 / 14期

关键词：

SUM-FREQUENCY GENERATION; ATOMIC-FORCE MICROSCOPY; ATMOSPHERIC CORROSION; ALKANOIC ACIDS; FORMIC-ACID; VIBRATIONAL SPECTROSCOPY; CUPRONICKEL ALLOY; COPPER CORROSION; PHOSPHONIC ACID; MONOLAYERS;

D O I：

10.1149/2.1461614jes

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

Self-assembled mono-and multilayers of stearic acid have been examined as corrosion protection systems for copper-nickel alloy in 3% sodium chloride solution. We found that self-assembled multilayers of stearic acid provide more efficient and durable corrosion protection to copper-nickel alloy than just a single monolayer. Electrochemical techniques, such as potentiodynamic polarization and electrochemical impedance spectroscopy, were used to determine the protective properties of the stearic acids films. Sum frequency generation spectroscopy, atomic force microscopy, contact angle measurements and ellipsometry were used to evaluate structural properties and thickness of the surface layers. It was found that the increase of corrosion protection from mono-to multilayer films depends on the number of layers that are formed but also on their homogeneity. (C) The Author(s) 2016. Published by ECS. All rights reserved.

引用

页码：C937 / C944

页数：8

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