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    Superhydrophobic film based on Cu-dodecanethiol complex: Preparation and corrosion inhibition for Cu

    Year: 2018

    Journal: Colloid Surf. A-Physicochem. Eng. Asp., Volume 550, AUG 5, page 65–73

    Authors: Niu, Shuyan; Fang, Yajie; Qiu, Ri; Qiu, Zhenghui; Xiao, Yamei; Wang, Peng; Chen, Ming

    Organizations: National Natural Science Foundation of China [41576079]; Natural Science Foundation of Shandong Province [ZR2017MF054]; Science & Technology Basic Research Program of Qingdao [15-9-1-31-jch]; Science & Technology Basic Research Program of Nantong [MS12015119]

    Keywords: Superhydrophobic; Corrosion inhibition; Dodecanethiol; Cu; Electrolysis

    The value of superhydrophobicity in metal corrosion inhibition has generated wide interest due to the high repellent capability from the versatile surface. In this report, using a facile electrolysis approach, we have realized the superhydrophobic film onto Cu surface by the coordination with dodecanethiol based on an electrooxidation-deposition route. The as-formed film behaves as the prominent barrier for inhibiting the corrosion. After immersion in 3.5 wt.% NaCl aqueous solution for 15 days, this superhydrophobic surface still enables high corrosion prohibition effect to the underneath Cu with the inhibition efficiency reaching as high as 99.9%.
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