文献类型：期刊文献

英文题名：Uniform, Anticorrosive, and Antiabrasive Coatings on Metallic Surfaces for Cation-Metal and Cation-π Interactions

作者：Liu, Xing[1];Sheng, Shiqi[2,3];Yang, Haijun[3,4];He, Zhenglin[1];Yang, Yizhou[2];Sheng, Nan[2,3,4];Fang, Haiping[2,3];Shi, Guosheng[1]

机构：[1]Shanghai Univ, Shanghai Appl Radiat Inst, State Key Lab Adv Special Steel, Shanghai 200444, Peoples R China;[2]East China Univ Sci & Technol, Sch Sci, Shanghai 200237, Peoples R China;[3]Chinese Acad Sci, Shanghai Inst Appl Phys, Div Inteifacial Water, CAS Key Lab Inteifacial Phys & Technol, Shanghai 201800, Peoples R China;[4]Chinese Acad Sci, Shanghai Adv Res Inst, Zhangjiang Lab SSRF, ZJLab,Shanghai Synchrotron Radiat Facil, Shanghai 201800, Peoples R China

年份：2020

卷号：12

期号：34

起止页码：38638

外文期刊名：ACS APPLIED MATERIALS & INTERFACES

收录：;EI(收录号：20204009301370);WOS:【SCI-EXPANDED(收录号:WOS:000566662000085)】；

基金：We thank Dr. Rongzheng Wan, Dr. Pan Guo, and Dr Jinrong Yang for their constructive suggestions. This work was supported by the National Science Fund for Outstanding Young Scholars (no. 11722548), the China Postdoctoral Science Foundation (nos. 2019M651462, 2018M642124), the National Natural Science Foundation of China (nos. U1932123, U1632135), the Innovative research team of high-level local universities in Shanghai, the Open Project of State Key Laboratory of Advanced Special Steel, Shanghai Key Laboratory of Advanced Ferrometallurgy and the Science and Technology Commission of Shanghai Municipality (no. 19DZ2270200), the Deepcomp7000 and ScGrid of Supercomputing Center, the Computer Network Information Center of Chinese Academy of Sciences, the Special Program for Applied Research on Super Computation of the NSFC-Guangdong Joint Fund (second phase), the Shanghai Supercomputer Center of China, and the High Performance Computing Platform of Shanghai University.

语种：英文

外文关键词：metal materials; anticorrosive coatings; coffee-ring effect; cation-metal interaction; cation-pi interaction

摘要：Metals are widely used, from daily life to modern industry. Great efforts have been made to protect the metals with various coatings. However, the well-known conventional electrochemical corrosion induced by cations and the ubiquitous nature of the coffee-ring effect make these processes very difficult. Here, a scheme by two bridges of cations and ethylenediamine (EDA) is proposed to overcome the coffee-ring effect and electrochemical corrosion and experimentally achieve uniform, anticorrosive, and antiabrasive coatings on metallic surfaces. Anticorrosive capability reaches about 26 times higher than that without cation-controlled coatings at 12 h in extremely acidic, high-temperature, and high-humidity conditions and still enhances to 2.7 times over a week. Antiabrasive capability also reaches 2.5 times. Theoretical calculations show that the suspended materials are uniformly adsorbed on the surface mediated by complexed cations through strong cation-metal and cation-pi interactions. Notably, the well-known conventional electrochemical corrosion induced by cations is avoided by EDA to control cations solubility in different coating processes. These findings provide a new efficient, cost-effective, facile, and scalable method to fabricate protective coatings on metallic materials and a methodology to study metallic nanostructures in solutions, benefitting practical applications including coatings, printing, dyeing, electrochemical protection, and biosensors.