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Preparation and photocathodic protection property of ZnIn2S4/RGO/TiO2 composites for Q235 carbon steel under visible light
Li, Hong1; Li, Yanhui1; Wang, Meng1; Niu, Zhen1; Wang, Xiutong2; Hou, Baorong2
2018-10-26
Source PublicationNANOTECHNOLOGY
ISSN0957-4484
Volume29Issue:43Pages:10
Corresponding AuthorLi, Hong(lhqdio1987@163.com) ; Li, Yanhui(liyanhui@tsinghua.org.cn)
AbstractFor improving the photocathodic protection performance of TiO2 photoanode, ZnIn2S4/reduced graphene oxide (RGO)/TiO2 nanotubes (NTs) composite was synthesized by electrochemical anodizing combined with hydrothermal method. The photoelectrochemical and photocathodic protection properties of the ZnIn2S4/RGO/TiO2 composite were investigated in detail. Compared with pure TiO2 NTs, the ZnIn2S4/RGO/TiO2 composite showed a significant improvement in photocathodic protection performances. The photogenerated open circuit potential drop of ZnIn2S4/RGO/TiO2 coupled with Q235 carbon steel in 3.5 wt% NaCl solution under visible light could reach 420 mV versus saturated calomel electrode, which was more than twice as much as that of pure TiO2. The photogenerated current density of ZnIn2S4/RGO/TiO2 could reach 5.6 mA cm(-2), which was twice as much as that of pure TiO2. The appearance of the adsorbed oxygen (O-A) enabled the ZnIn2S4/RGO/TiO2 to have better photo-carrier separation efficiency and better photogenerated cathodic protection than pure TiO2. The present work demonstrated ZnIn2S4/RGO/TiO2 could be a potential material for photoanodes because of its better visible-light response, higher electrical conductivity and smaller charge transfer resistance.
Keywordtitanium dioxide ZnIn2S4 RGO cathodic protection carbon steel
DOI10.1088/1361-6528/aada28
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[51801109] ; Natural Science Foundation of Shandong Province[ZR2018BEM004] ; Shandong Province Postdoctoral Innovation Project[201601001] ; Taishan Scholars Construction Engineering of Shandong province[201511029]
WOS Research AreaScience & Technology - Other Topics ; Materials Science ; Physics
WOS SubjectNanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Physics, Applied
WOS IDWOS:000443193200001
PublisherIOP PUBLISHING LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/159859
Collection海洋环境腐蚀与与生物污损重点实验室
Corresponding AuthorLi, Hong; Li, Yanhui
Affiliation1.Qingdao Univ, Coll Mech & Elect Engn, 308 Ningxia Rd, Qingdao 266071, Peoples R China
2.Chinese Acad Sci, Inst Oceanol, Marine Corros & Protect Ctr, 7 Nanhai Rd, Qingdao 266071, Peoples R China
Recommended Citation
GB/T 7714
Li, Hong,Li, Yanhui,Wang, Meng,et al. Preparation and photocathodic protection property of ZnIn2S4/RGO/TiO2 composites for Q235 carbon steel under visible light[J]. NANOTECHNOLOGY,2018,29(43):10.
APA Li, Hong,Li, Yanhui,Wang, Meng,Niu, Zhen,Wang, Xiutong,&Hou, Baorong.(2018).Preparation and photocathodic protection property of ZnIn2S4/RGO/TiO2 composites for Q235 carbon steel under visible light.NANOTECHNOLOGY,29(43),10.
MLA Li, Hong,et al."Preparation and photocathodic protection property of ZnIn2S4/RGO/TiO2 composites for Q235 carbon steel under visible light".NANOTECHNOLOGY 29.43(2018):10.
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