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Synergetic effect of graphene and Co(OH)(2) as cocatalysts of TiO2 nanotubes for enhanced photogenerated cathodic protection
Lu, Xiayu1,2; Liu, Li1,3; Xie, Xuan1,3; Cui, Yu1; Oguzie, Emeka E.3,4; Wang, Fuhui1,3
Corresponding AuthorLiu, Li(liuli@mail.neu.edu.cn)
2020-01-15
Source PublicationJOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
ISSN1005-0302
Volume37Pages:55-63
AbstractA layer of graphene (GR) particles was successfully deposited at the interface between Co(OH)(2) nanoparticles and TiO2 nanotubes, aiming to improve the photoelectrochemical performance of the large-bandgap semiconductor TiO2. The obtained Co(OH)(2)/GR/TiO2 was extensively characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), X-ray photoelectron spectroscopy (XPS), UV-vis absorption spectra and photoluminescence (PL) emission spectra. Electrochemical impedance spectra, photogenerated potential-time (E-t), photocurrent density-time (i-t) and i-E curves and open circuit potential (OCP) curves were measured to investigate the photoelectrochemical activities and photogenerated cathodic protection properties. The results revealed that Co(OH)(2)/GR/TiO2 exhibits excellent photoelectrochemical and photogenerated cathodic performance due to synergistic effect between Co(OH)(2) and graphene. Co(OH)(2) and graphene co-modified TiO2 photoanode could provide an effective protection for 304 stainless steel (304SS) in 3.5 wt% NaCl solution for 12 h, which would be promising for future practical applications in the field of marine corrosion protection. (C) 2019 Published by Elsevier Ltd on behalf of The editorial office of Journal of Materials Science & Technology.
KeywordTiO2 nanotubes G rap hene Co(OH)(2) nanoparticles Photoelectrochemical performance Photogenerated cathodic protection
Funding OrganizationNational Natural Science Foundation of China ; Fundamental Research Funds for the Central Universities
DOI10.1016/j.jmst.2019.07.034
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[51622106] ; National Natural Science Foundation of China[51871049] ; Fundamental Research Funds for the Central Universities[160708001]
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000503163100007
PublisherJOURNAL MATER SCI TECHNOL
Citation statistics
Cited Times:11[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/136289
Collection中国科学院金属研究所
Corresponding AuthorLiu, Li
Affiliation1.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Liaoning, Peoples R China
2.Univ Sci & Technol China, Sch Mat Sci & Engn, Shenyang 110016, Liaoning, Peoples R China
3.Northeastern Univ, Sch Mat Sci & Engn, Key Lab Anisotropy & Texture Mat, Minist Educ, Shenyang 110819, Liaoning, Peoples R China
4.Fed Univ Technol Owerri, Dept Chem, Electrochem & Mat Sci Res Lab, PMB 1526, Owerri, Nigeria
Recommended Citation
GB/T 7714
Lu, Xiayu,Liu, Li,Xie, Xuan,et al. Synergetic effect of graphene and Co(OH)(2) as cocatalysts of TiO2 nanotubes for enhanced photogenerated cathodic protection[J]. JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,2020,37:55-63.
APA Lu, Xiayu,Liu, Li,Xie, Xuan,Cui, Yu,Oguzie, Emeka E.,&Wang, Fuhui.(2020).Synergetic effect of graphene and Co(OH)(2) as cocatalysts of TiO2 nanotubes for enhanced photogenerated cathodic protection.JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,37,55-63.
MLA Lu, Xiayu,et al."Synergetic effect of graphene and Co(OH)(2) as cocatalysts of TiO2 nanotubes for enhanced photogenerated cathodic protection".JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY 37(2020):55-63.
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