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半胱氨酸表面修饰的层状双金属氢氧化物薄膜对铜的缓蚀性能 被引量：2

Investigations on the Inhibition Property of Cysteine Surface Modified by Layered Double Hydroxides Films on Copper Surfaces
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摘要 以层状双金属氢氧化物(LDHs)为主体,半胱氨酸(Cys)为修饰剂,制备Cys表面修饰LDHs(Cys-LDHs),之后利用胶体沉积技术在铜表面制备Cys-LDHs薄膜。采用电化学阻抗谱(EIS)、极化曲线的方法研究修饰前后LDHs薄膜在质量分数3.5%NaCl溶液中对铜的缓蚀性能。结果表明,2种LDHs薄膜对铜均具有良好的缓蚀效果,且Cys-LDHs薄膜的缓蚀效果更佳,缓蚀效率可达91.4%。 In this paper,LDHs were modified with cysteine（Cys） to prepare Cys-LDHs.The Cys-LDHs film was prepared on copper surfaces by a colloid deposition technique.The corrosion inhibition of the formed film was studied by electrochemical impedance spectroscopy（EIS） and polarization curves.All results demonstrate that both LDHs and Cys-LDHs films could inhibit the corrosion of copper,and the Cys-LDHs films showed significantly higher inhibition efficiency,reaching 91.4%.
作者 张昕 全贞兰
机构地区 青岛科技大学化学与分子工程学院
出处 《青岛科技大学学报（自然科学版）》 CAS 2011年第4期356-360,共5页 Journal of Qingdao University of Science and Technology:Natural Science Edition
关键词 表面修饰 LDHs薄膜 缓蚀 铜 surface modified LDHs film anti-corrosion copper
分类号 TQ13 [化学工程—无机化工]
  • 相关文献

参考文献12

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共引文献9

同被引文献21

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引证文献2

二级引证文献3

青岛科技大学学报（自然科学版）
2011年 第4期

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