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Morphology controlled synthesis of Co(OH)(2)/TiO2 p-n heterojunction photoelectrodes for efficient photocathodic protection of 304 stainless steel
Lu, Xiayu1,2; Liu, Li1,3; Ge, Jianwen3; Cui, Yu1; Wang, Fuhui1,3
Corresponding AuthorLiu, Li(liuli@mail.neu.edu.cn)
2021-01-30
Source PublicationAPPLIED SURFACE SCIENCE
ISSN0169-4332
Volume537Pages:9
AbstractFlower-like and bulk-like Co(OH)(2)-modified TiO2 p-n heterojunctions were successfully fabricated by a solvothermal method. Different morphologies resulted in difference in the photoelectrochemical performance; as revealed by the experimental results, flower-like Co(OH)(2) microsphere-modified TiO2 showed a narrower bandgap, an upwardly shifted conduction band (CB), and a faster separation and migration of interfacial carriers than bulk-like Co(OH)(2). Furthermore, flower-like Co(OH)(2) microsphere-modified TiO2 photoelectrode showed a rather low photogenerated potential of -0.53 V in 3.5 wt% NaCl solution, which provided effective photo cathodic protection for 304 stainless steel (304SS). The excellent photoelectrochemical performance of flower-like Co(OH)(2) microsphere-modified TiO2 photoelectrode results in considerable application prospects of these electrodes as photoanode materials for photocathodic protection.
KeywordP-n heterojunction Co(OH)(2)/TiO2 Morphology Build-in electric field Photocathodic protection
Funding OrganizationNational Natural Science Foundation of China ; National Key R&D Program of China ; A-class Pilot of the Chinese Academy of Sciences
DOI10.1016/j.apsusc.2020.148002
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[51871049] ; National Key R&D Program of China[2017YFB0702303] ; A-class Pilot of the Chinese Academy of Sciences[XDA22010303]
WOS Research AreaChemistry ; Materials Science ; Physics
WOS SubjectChemistry, Physical ; Materials Science, Coatings & Films ; Physics, Applied ; Physics, Condensed Matter
WOS IDWOS:000582798700090
PublisherELSEVIER
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/141355
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, Peoples R China
2.Univ Sci & Technol China, Sch Mat Sci & Engn, Shenyang 110016, Peoples R China
3.Northeastern Univ, Sch Mat Sci & Engn, Minist Educ, Key Lab Anisotropy & Texture Mat, Shenyang 110819, Peoples R China
Recommended Citation
GB/T 7714
Lu, Xiayu,Liu, Li,Ge, Jianwen,et al. Morphology controlled synthesis of Co(OH)(2)/TiO2 p-n heterojunction photoelectrodes for efficient photocathodic protection of 304 stainless steel[J]. APPLIED SURFACE SCIENCE,2021,537:9.
APA Lu, Xiayu,Liu, Li,Ge, Jianwen,Cui, Yu,&Wang, Fuhui.(2021).Morphology controlled synthesis of Co(OH)(2)/TiO2 p-n heterojunction photoelectrodes for efficient photocathodic protection of 304 stainless steel.APPLIED SURFACE SCIENCE,537,9.
MLA Lu, Xiayu,et al."Morphology controlled synthesis of Co(OH)(2)/TiO2 p-n heterojunction photoelectrodes for efficient photocathodic protection of 304 stainless steel".APPLIED SURFACE SCIENCE 537(2021):9.
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