Click-assembling film modified on different copper substrates and their comprehensive performance
Click-assembling film modified on different copper substrates and their comprehensive performance
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不同铜基板修饰的点击组装薄膜及其综合性能
DOI：
10.1016/j.apsusc.2019.06.232
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发表时间：
2019-11
影响因子：
6.7
通讯作者：
Huang Manhong
中科院分区：
文献类型：
--
作者：
Li Jin;Zhang Daquan;Shi Cheng;Wang Yizhen;Chen Donghui;Huang Manhong
通过对甲苯磺酰叠氮（TA）和丙炔酸（PA）的原位点击组装反应，在Cu、Cu2O和CuO基底上制备了三唑（1-（对甲苯硫基）-1H-1，2，3-三唑-4-羧酸，TTC）薄膜。通过表面表征、抗菌性能测试和电化学测试等手段，对该材料的表面润湿性、抗菌性和防腐性能进行了评价。改性后的Cu_2O薄膜具有最好的综合性能。改性Cu_2O膜对铜的防腐蚀保护率为91.1%。改性后的Cu_2O膜具有上级疏水性，接触角为137 °，同时具有最好的抗菌活性。FT-IR和表面分析（SEM和XPS）表明，改性后的Cu_2O膜具有优异的防腐蚀性能，这主要是由于在其表面组装了大量的TTC膜。大量的TTC也有助于最好的疏水性和抗菌活性。理论计算表明，TTC膜是通过TTC分子中的三唑环和O原子的水平吸附形成的。
A triazole (1-(p-tolylthio)-1H-1,2,3-triazole-4-carboxylic acid, TTC) film was prepared via an in-situ click-assembling reaction between tosyl azide (TA) and propiolic acid (PA) on Cu, Cu2O and CuO substrates. Its surface wettability, antibacterial activity and anticorrosion ability were evaluated by surface characterizations, antibacterial testing and electrochemical measurements. The modified-Cu2O film exhibits the best overall performance. The anticorrosion protection efficiency of the modified-Cu2O film for copper is 91.1%. The modified-Cu2O film shows a superior hydrophobicity with a contact angle of 137° and it also has the best antibacterial activity. The FT-IR and surface analysis (SEM and XPS) reveal that the excellent anticorrosion ability of the modified-Cu2O film is mainly due to the massive TTC film assembled on its surface. The large amount of TTC also contributes to the best hydrophobicity and antibacterial activity. The theoretical calculations show that the TTC film is formed via the horizontal adsorption of a triazole ring and O atoms in the TTC molecule.
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