Enhanced photoelectrochemical cathodic protection performance of MoS2/TiO2 nanocomposites for 304 stainless steel under visible light

被引：6
作者：
Xiumin Ma [1 ,2 ,3 ]
Zheng Ma [1 ,4 ,2 ,3 ]
Dongzhu Lu [1 ,2 ,3 ]
Quantong Jiang [1 ,2 ,3 ]
Leilei Li [1 ,2 ,3 ]
Tong Liao [1 ,2 ,3 ]
Baorong Hou [1 ,4 ,2 ,3 ]
机构：
[1] CAS Key Laboratory of Marine Environmental Corrosion and Bio-fouling, Institute of Oceanology, Chinese Academy of Science
[2] Open Studio for Marine Corrosion and Protection, Pilot National Laboratory for Marine Science and Technology (Qingdao)
[3] Center for Ocean Mega-Science, Chinese Academy of Sciences
[4] Institute of Marine Science and Technology, Shandong University
来源：
Journal of Materials Science & Technology | 2021年 / 64卷 / 05期
基金：
中国国家自然科学基金;
关键词：
D O I：
暂无
中图分类号：
TB33 [复合材料]; TG178 [各种金属及合金的腐蚀、防腐与表面处理];
学科分类号：
0805 ; 080502 ; 080503 ;
摘要：
In this work, TiO2nanotube arrays(NTAs) sensitized with MoS2microspheres(MoS2/TiO2nanocomposites) were prepared on a flat Ti substrate via two-step anodization and hydrothermal method sequentially.TiO2NTAs were composed of many orderly nanotubes, whose large specific surface area was favorable for light absorption and MoS2microsphere adhesion. The MoS2microsphere as a narrow band gap semiconductor extended the TiO2NTAs’ absorption band edge to the visible region. The 2D structure of MoS2microspheres and the construction of heterojunction electronic field at the interface of MoS2microspheres and TiO2NTAs promoted the separation of photoinduced carriers. The MoS2/TiO2nanocomposites could provide higher photoelectrochemical cathodic protection for 304 stainless steel(304 SS) under visible light than pristine TiO2NTAs.
引用
收藏
页码：21 / 28
页数：8
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