Electrochemical polymerization of polyaniline-reduced graphene oxide composite coating on 5083 Al alloy: Role of reduced graphene oxide

被引：34
|
作者：
Liu, Suyun [1 ,2 ]
Liu, Li [1 ,3 ]
Guo, Huaxin [3 ]
Oguzie, Emeka E. [3 ,4 ]
Li, Ying [1 ]
Wang, Fuhui [1 ,3 ]
机构：
[1] Chinese Acad Sci, Shenyang Natl Lab Mat Sci, Inst Met Res, Corros & Protect Div, Shenyang 110016, Liaoning, Peoples R China
[2] Univ Sci & Technol China, Sch Mat Sci & Engn, Hefei 230000, Anhui, Peoples R China
[3] Northeastern Univ, Sch Mat Sci & Engn, Key Lab Anisotropy & Texture Mat, Minist Educ, Shenyang 110819, Liaoning, Peoples R China
[4] Fed Univ Technol Owerri, Dept Chem, Electrochem & Mat Sci Res Lab, PMB 1526, Owerri, Nigeria
来源：
ELECTROCHEMISTRY COMMUNICATIONS | 2019年 / 98卷
基金：
中国国家自然科学基金;
关键词：
Polyaniline; rGO; Composite coating; Al; Anticorrosion; CORROSION PROTECTION; CONDUCTING POLYMERS; MILD-STEEL; ALUMINUM; DEPOSITION; REDUCTION; BEHAVIOR; SURFACE; SYSTEM; GROWTH;
D O I：
10.1016/j.elecom.2018.12.004
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
A polyaniline-reduced graphene oxide composite (PANI-rGO) coating was electrochemically deposited on 5083 Al alloy by potentiostatic method. The coating was characterized by stereoscopic microscopy, SEM, TEM, FTIR and XPS measurements. The anticorrosion performance of PANI-rGO coating was studied using potentiodynamic polarization and EIS measurements in aqueous 3.5% NaCl solution. Results obtained show that the presence of rGO facilitated electro-polymerization of PANI and accelerated the passivation of the Al alloy. The PANI-rGO coating presented good corrosion protection properties.
引用
收藏
页码：110 / 114
页数：5
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