Atom-scale insight into the adsorption behavior of imidazole corrosion inhibitors at defective copper/water interfaces

IF 7.4 1区 材料科学 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY Corrosion Science Pub Date : 2025-04-15 Epub Date: 2025-01-27 DOI:10.1016/j.corsci.2025.112744
Xin Guo , Bingxiao Shi , Zhongheng Fu , Guowei Yang , Yiran Li , Luntao Wang , Lin Lu , Lingwei Ma , Dawei Zhang
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Abstract

Molecular simulations are essential for understanding the corrosion inhibition mechanisms of organic corrosion inhibitors. However, traditional models often focus on ideal metal surfaces, differing from the complex conditions in real environments. In this work, we constructed defective copper/water interfaces to study imidazole adsorption behaviors and to clarify the interactions among imidazole, copper, and water molecules. We found that the adsorption kinetics of imidazole at the defect sites does not correlate with its adsorption stability clearly, due to its competitive adsorption with water molecules. These findings enhance understanding of imidazole adsorption on copper and are important for designing corrosion inhibitors.
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咪唑类缓蚀剂在铜/水界面缺陷处的原子级吸附行为研究
分子模拟对于理解有机缓蚀剂的缓蚀机理是必不可少的。然而,传统的模型往往侧重于理想的金属表面,与现实环境中的复杂条件不同。在这项工作中,我们构建了缺陷铜/水界面来研究咪唑的吸附行为,并阐明咪唑、铜和水分子之间的相互作用。我们发现咪唑在缺陷位点的吸附动力学与其吸附稳定性不明显相关,这是由于它与水分子的竞争性吸附。这些发现增强了对咪唑在铜上吸附的认识,对设计缓蚀剂具有重要意义。
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来源期刊
Corrosion Science
Corrosion Science 工程技术-材料科学:综合
CiteScore
13.60
自引率
18.10%
发文量
763
审稿时长
46 days
期刊介绍: Corrosion occurrence and its practical control encompass a vast array of scientific knowledge. Corrosion Science endeavors to serve as the conduit for the exchange of ideas, developments, and research across all facets of this field, encompassing both metallic and non-metallic corrosion. The scope of this international journal is broad and inclusive. Published papers span from highly theoretical inquiries to essentially practical applications, covering diverse areas such as high-temperature oxidation, passivity, anodic oxidation, biochemical corrosion, stress corrosion cracking, and corrosion control mechanisms and methodologies. This journal publishes original papers and critical reviews across the spectrum of pure and applied corrosion, material degradation, and surface science and engineering. It serves as a crucial link connecting metallurgists, materials scientists, and researchers investigating corrosion and degradation phenomena. Join us in advancing knowledge and understanding in the vital field of corrosion science.
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