Enhanced corrosion resistance and photothermal antibacterial properties of MAO/Fe/GO composite coating on Mg alloy

被引：3
|
作者：
Li, Yuankun [1 ]
Sun, Ruixue [1 ]
机构：
[1] Qingdao Univ Sci & Technol, Coll Mat Sci & Engn, Qingdao 266042, Peoples R China
来源：
MATERIALS LETTERS | 2024年 / 369卷
关键词：
Magnesium alloy; Surfaces; Composite coating; Corrosion; Photothermal antibacterial activity; MAGNESIUM;
D O I：
10.1016/j.matlet.2024.136755
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Fast degradation and postoperative bacterial infection are two main limitations for clinical application of Mgbased implants. Herein, we report a dual functional coating on micro-arc oxidation treated AZ31 Mg alloy (named MAO/Fe/GO) with the integration of graphene oxide (GO) and ferric oxyhydroxide (FeOOH). The photothermal conversion efficiency of MAO/Fe/GO composite coating is as high as 43.2%. Moreover, the MAO/ Fe/GO composite coating exhibits enhanced corrosion resistance, antimicrobial activity under 808 nm irradiation, and good biocompatibility.
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页数：4
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