Fabrication of TiO2/CdS/Co(OH)2 composite and its application in photoelectrochemical cathodic protection of 304 stainless steel under visible light

被引：5
|
作者：
Dai, Yongchao [1 ,2 ]
Liu, Nazhen [1 ]
Wang, Chunli [1 ]
Liu, Xiangju [1 ]
Liu, Yang [2 ]
Jiang, Quantong [1 ]
Zhao, Xia [1 ]
Hou, Baorong [1 ]
机构：
[1] Chinese Acad Sci, Inst Oceanol, Key Lab Marine Environm Corros & Biofouling, Qingdao 266071, Peoples R China
[2] Qingdao Univ Sci & Technol, Coll Environm & Safety Engn, Shandong Engn Res Ctr Pollut Control & Resource Va, 53 Zhengzhou Rd, Qingdao 266042, Peoples R China
来源：
MATERIALS LETTERS | 2024年 / 355卷
基金：
中国国家自然科学基金;
关键词：
Semiconductors; Nanoparticles; Composite materials; 304 stainless steel; Photoelectrochemical cathodic protection;
D O I：
10.1016/j.matlet.2023.135467
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
CdS quantum dots (QDs) and Co(OH)2 were deposited on the surface of TiO2 nanotube arrays (NTAs) by successive ionic layer adsorption and reaction (SILAR), and the performance of the composite in photoelectrochemical (PEC) cathodic protection was studied. Due to the narrow band gap of CdS QDs and the formation of type II heterojunction with TiO2, the TiO2/CdS (Ti/Cd) composite exhibited enhanced PEC properties in 3.5 wt% NaCl solution. After deposition of Co(OH)2, the valence conversion of Co(II) and Co(III) improves the separation efficiency of charge carriers, the cathodic protection performance of TiO2/CdS/Co(OH)2 (Ti/Cd/Co) composite is further improved.
引用
收藏
页数：4
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