High-efficiency photocathodic protection performance of novel MnIn2S4/ TiO2 n-n heterojunction films for Q235 carbon steel in chloride- containing simulated concrete pore solution

doi:10.1016/j.jallcom.2023.168957

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	High-efficiency photocathodic protection performance of novel MnIn2S4/ TiO2 n-n heterojunction films for Q235 carbon steel in chloride- containing simulated concrete pore solution
	Wang, Wencheng 2; Ye, Yujiao 2; Li, Guyuan 4; Yang, Zhengxian 2,5; Duan, Jizhou 1,3; Sun, Jiawen 1,3; Yan, Yueqian 2
刊名	JOURNAL OF ALLOYS AND COMPOUNDS
	2023-04-25
卷号	941 页码:15
关键词	Photocathodic protection TiO2 Pore solution Carbon steel
ISSN号	0925-8388
DOI	10.1016/j.jallcom.2023.168957
通讯作者	Yang, Zhengxian(zxyang@fzu.edu.cn) ; Duan, Jizhou(duanjz@qdio.ac.cn)
英文摘要	In this work, the n-type TiO2 nanotube film was modified successfully by n-type MnIn2S4 nanoparticles with one-step hydrothermal method, and a novel MnIn2S4/TiO2 heterojunction material with excellent photo-electrochemical properties was constructed firstly. Owing to the modification, the light response range of MnIn2S4/TiO2 nanocomposites was extended to the visible light region. Benefiting from the presence of type II n-n heterojunction with built-in electric field effects in the nanocomposites, the photogenerated carriers recombination rate decreased significantly. In addition, the photocathodic protection effects of MnIn2S4/ TiO2 (MIS/T) photoanodes on Q235 carbon steel (Q235 CS) immersed in simulated concrete pore solution containing chloride were investigated. Under visible light irradiation, the cathodic protection current density of MIS/T-2 photoanode was found to be more than 30 mu A/cm2 and over 10 times that of T photo-anode. The MIS/T-2 photoanode has good long-term photochemical stability and maintains excellent photocathodic protection effect on Q235 CS (OCP value are about -870 mV (vs. SCE)) under visible light irradiation. The amount of MnIn2S4 nanoparticles deposited on the TiO2 film could affect the photoelec-trochemical properties of MnIn2S4/TiO2 n-n heterojunctions and an appropriate number of the nano-particles, corresponding to the best cathodic protection performance was revealed.(c) 2023 Elsevier B.V. All rights reserved.
资助项目	National Natural Science Foundation of China[51978171] ; Fujian Ocean and Fishery Bureau[FJHJF-L-2022-19] ; Natural Science Foundation of Fujian Province[2021J05126] ; Talent -Introduction Program of Fuzhou University[GXRC-19074] ; Joint International Research Laboratory of Deterioration and Control of Coastal and Marine Infrastructures and Materials, Fuzhou University
WOS关键词	CATHODIC PROTECTION ; VISIBLE-LIGHT ; FABRICATION ; PHOTOANODE ; COMPOSITE ; CORROSION ; COATINGS ; DRIVEN
WOS研究方向	Chemistry ; Materials Science ; Metallurgy & Metallurgical Engineering
语种	英语
出版者	ELSEVIER SCIENCE SA
WOS记录号	WOS:000924824000001
内容类型	期刊论文
源URL	[http://ir.qdio.ac.cn/handle/337002/183440]
专题	海洋研究所_海洋腐蚀与防护研究发展中心
通讯作者	Yang, Zhengxian; Duan, Jizhou
作者单位	1.Pilot Natl Lab Marine Sci & Technol Qingdao, Open Studio Marine Corros & Protect, 168 Wenhai Middle Rd, Qingdao 266237, Peoples R China 2.Fuzhou Univ, Fujian Prov Univ Engn Res Ctr Adv Civil Engn Mat, Coll Civil Engn, Fuzhou 350108, Fujian, Peoples R China 3.Chinese Acad Sci, Inst Oceanol, Key Lab Marine Environm Corros & Biofouling, 7 Nanhai Rd, Qingdao 266071, Peoples R China 4.Tsinghua Univ, Shenzhen Int Grad Sch, Shenzhen 518055, Peoples R China 5.Fuzhou Univ, Coll Civil Engn, Fuzhou 350108, Fujian, Peoples R China
推荐引用方式 GB/T 7714	Wang, Wencheng,Ye, Yujiao,Li, Guyuan,et al. High-efficiency photocathodic protection performance of novel MnIn2S4/ TiO2 n-n heterojunction films for Q235 carbon steel in chloride- containing simulated concrete pore solution[J]. JOURNAL OF ALLOYS AND COMPOUNDS,2023,941:15.
APA	Wang, Wencheng.,Ye, Yujiao.,Li, Guyuan.,Yang, Zhengxian.,Duan, Jizhou.,...&Yan, Yueqian.(2023).High-efficiency photocathodic protection performance of novel MnIn2S4/ TiO2 n-n heterojunction films for Q235 carbon steel in chloride- containing simulated concrete pore solution.JOURNAL OF ALLOYS AND COMPOUNDS,941,15.
MLA	Wang, Wencheng,et al."High-efficiency photocathodic protection performance of novel MnIn2S4/ TiO2 n-n heterojunction films for Q235 carbon steel in chloride- containing simulated concrete pore solution".JOURNAL OF ALLOYS AND COMPOUNDS 941(2023):15.