In situ click-assembling monolayers on copper surface with enhanced corrosion resistance

In situ click-assembling monolayers on copper surface with enhanced corrosion resistance
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铜表面上的原位点击组装单层具有增强的耐腐蚀性

DOI:
10.1016/j.corsci.2016.10.016
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发表时间:
2016-12
期刊:
影响因子:
8.3
通讯作者:
Gao Lixin
Gao Lixin
中科院分区:
材料科学1区
文献类型:
--
作者:
Yu Yinzhe;Wang Yizhen;Li Jin;Zhang Daquan;Gao Lixin

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以2,2-二甲基乙炔基甲醇(MBY)和叠氮甲苯磺酰(TA)为原料,通过点击化学反应在铜表面原位组装了2-(1-对甲苯磺酰基-1H-1,2,3-三唑-4-基)丙醇(TTP)自组装膜。电化学测试结果表明,在3 wt.%的铜溶液中,TTP膜对铜的腐蚀有很强的抑制作用NaCl,保护率为93.6%。极化曲线表明,TTP自组装膜是一种阳极钝化型缓蚀剂。TTP分子在Cu 2 O(0 0 1)表面的吸附是以邻近的三唑环和O原子的平面取向进行的。
The self-assembled monolayer (SAMs) of 2-(1-tosyl-1H-1,2,3-triazol-4-yl) propan-2-ol (TTP) was in-situ assembled on copper surface via click chemistry reaction between 2, 2-dimethylethynyl carbinol (MBY) and tosyl azide (TA). The electrochemical results indicate that the click-assembled TTP film can strongly suppress the corrosion reaction of copper in 3 wt.% NaCl and its protection efficiency is 93.6%. Polarization curves show that TTP SAMs is an anodic passivation type inhibitor. The adsorption of TTP molecules on Cu2O (0 0 1) surface is in the flat orientation of the nearby triazole ring and O atoms.
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