Electrophoretic deposition and electrochemical behavior of novel graphene oxide-hyaluronic acid-hydroxyapatite nanocomposite coatings

被引：81

作者：

Li, Ming ^{[1
]}

Liu, Qian ^{[1
]}

Jia, Zhaojun ^{[1
]}

Xu, Xuchen ^{[1
]}

Shi, Yuying ^{[1
]}

Cheng, Yan ^{[1
]}

Zheng, Yufeng ^{[1
,2
]}

Xi, Tingfei ^{[1
]}

Wei, Shicheng ^{[1
,3
]}

机构：

[1] Peking Univ, Acad Adv Interdisciplinary Studies, Ctr Biomed Mat & Tissue Engn, Beijing 100871, Peoples R China

[2] Peking Univ, Coll Engn, Dept Mat Sci & Engn, Beijing 100871, Peoples R China

[3] Peking Univ, Sch Stomatol, Dept Oral & Maxillofacial Surg, Beijing 100081, Peoples R China

来源：

APPLIED SURFACE SCIENCE | 2013年 / 284卷

基金：

国家高技术研究发展计划(863计划); 中国国家自然科学基金;

关键词：

Graphene oxide; Hyaluronic acid; Hydroxyapatite; Electrophoretic deposition; Nanocomposite coatings; GRAPHITE OXIDE; BIOMEDICAL APPLICATIONS; COMPOSITE FILMS; BONE; ELECTRODEPOSITION; REDUCTION;

D O I：

10.1016/j.apsusc.2013.08.012

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Novel ternary graphene oxide-hyaluronic acid-hydroxyapatite (GO-HY-HA) nanocomposite coatings were prepared on Ti substrate using anodic electrophoretic deposition (EPD). Hyaluronic acid was employed as charging additive and dispersion agent during EPD. The kinetics and mechanism of the deposition, and the microstructure of the coated samples were investigated using scanning electron microscopy, X-ray diffraction, Raman spectrum, thermo-gravimetric analysis, and microscopic Fourier transform infrared analysis. The results showed that the addition of GO sheets into the HY-HA suspensions could increase the deposition rate and inhibit cracks creation and propagation in the coatings. The corrosion resistant of the resulting samples were evaluated using potentiodynamic polarization method in simulated body fluid, and the GO-HY-HA coatings could effectively improve the anti-corrosion property of the Ti substrate. (C) 2013 Elsevier B. V. All rights reserved.

引用

页码：804 / 810

页数：7

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