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Fabrication of Ni3S2/TiO2 photoanode material for 304 stainless steel photocathodic protection under visible light
Nan, Youbo1,3; Wang, Xiutong1,2,4; Ning, Xiaobo1; Lei, Jing1; Guo, Siyao5; Huang, Yanliang1,2,4; Duan, Jizhou1,2,4
2019-11-15
Source PublicationSURFACE & COATINGS TECHNOLOGY
ISSN0257-8972
Volume377Pages:9
Corresponding AuthorWang, Xiutong(wangxiutong@qdio.ac.cn)
AbstractTiO2 is a promising photoanode material for cathodic protection. However, the photogenerated electron efficiency of TiO2 under visible light is rather low because of its poor absorption of visible light and the instability of its electron-hole pairs, which limit its application in the field of photocathodic protection. Here, Ni3S2 was used to modify TiO2 to enhance its photocathodic protection effect. Ni3S2/TiO2 composites (NSTs) were successfully synthesized by the hydrothermal method. Scanning electron microscopy (SEM), transmission electron microscopy (TEM), X-ray diffraction (XRD), and X-ray photoelectron spectroscopy (XPS) were used to characterize morphology, crystal structure, and elemental composition and its valence state. The light absorption properties of the samples were characterized by UV-visible diffuse reflectance spectroscopy (DRS). In addition, the photocathodic protection effects of TiO2 and NSTs were evaluated by measurements of the open-circuit potential (OCP) and photocurrent density with time (j-t). The results showed that the NSTs provided better photocathodic protection than pure TiO2 to 304 stainless steel (304ss).
KeywordTiO2 Ni3S2 Photocathodic protection 304 stainless steel Visible light
DOI10.1016/j.surfcoat.2019.124935
Indexed BySCI
Language英语
Funding ProjectStrategic Priority Project of CAS[XDA13040404] ; Shandong Key Research and Development Program[2016GGH4511] ; Shandong Key Laboratory of Corrosion Science, and Cooperative Innovation Center of Engineering Construction and Safety in Shandong Blue Economic Zone
WOS Research AreaMaterials Science ; Physics
WOS SubjectMaterials Science, Coatings & Films ; Physics, Applied
WOS IDWOS:000488417800055
PublisherELSEVIER SCIENCE SA
Citation statistics
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/163299
Collection海洋环境腐蚀与与生物污损重点实验室
Corresponding AuthorWang, Xiutong
Affiliation1.Chinese Acad Sci, Key Lab Marine Environm Corros & Biofouling, Inst Oceanol, Qingdao 266071, Shandong, Peoples R China
2.Pilot Natl Lab Marine Sci & Technol, Open Studio Marine Corros & Protect, Qingdao 266237, Shandong, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
4.Chinese Acad Sci, Ctr Ocean Megasci, 7 Nanhai Rd, Qingdao 266071, Shandong, Peoples R China
5.Qingdao Univ Technol, Sch Civil Engn, Qingdao 266033, Shandong, Peoples R China
First Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Corresponding Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Nan, Youbo,Wang, Xiutong,Ning, Xiaobo,et al. Fabrication of Ni3S2/TiO2 photoanode material for 304 stainless steel photocathodic protection under visible light[J]. SURFACE & COATINGS TECHNOLOGY,2019,377:9.
APA Nan, Youbo.,Wang, Xiutong.,Ning, Xiaobo.,Lei, Jing.,Guo, Siyao.,...&Duan, Jizhou.(2019).Fabrication of Ni3S2/TiO2 photoanode material for 304 stainless steel photocathodic protection under visible light.SURFACE & COATINGS TECHNOLOGY,377,9.
MLA Nan, Youbo,et al."Fabrication of Ni3S2/TiO2 photoanode material for 304 stainless steel photocathodic protection under visible light".SURFACE & COATINGS TECHNOLOGY 377(2019):9.
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