IOCAS-IR  > 海洋环境腐蚀与与生物污损重点实验室
Solar light-driven photocatalytic production of hypochlorous acid over Pt/WO3 in seawater for marine antifouling
Lu, Qingbiao1,2; Wang, Yi2,3; Zhang, Dun2,3; Cong, Hailin1
2022-01-09
Source PublicationRESEARCH ON CHEMICAL INTERMEDIATES
ISSN0922-6168
Pages19
Corresponding AuthorWang, Yi(wangyi@qdio.ac.cn) ; Cong, Hailin(conghailin@qdu.edu.cn)
AbstractThe hypochlorous acid (HCIO) was synthesized from seawater by the Pt/WO3 photocatalyst under visible-light irradiation. The effect of WO3 morphology and Pt loading on the performance of the composite photocatalyst for the production of HCIO has been studied in detail. The study found that among the series of materials, hollow WO3 microspheres with a diameter of about 3 mu m loaded with 1.0 wt% Pt have the best HCIO production performance. Over it, 14.52 mu M of HClO (1.24 mg/L of free chlorine) was accumulated in 0.5 M NaCl solution after 2 h of visible-light photoirradiation. What is more, the concentration of HClO can reach 4.34 mu M (0.354 mg/L free chlorine) in natural seawater for 1 h using this Pt/WO3 photocatalyst. Under visible-light irradiation, the Pt/WO3 photocatalyst has a good broad-spectrum antibacterial activity and the activity of inhibiting marine fouling algae. The Pt/WO3 photocatalyst has high stability and reusability. All these characteristics are conducive to the application in the field of marine antifouling. Moreover, the photocatalytic reaction mechanism was evaluated by studying the photoelectrochemical properties of Pt/WO3/FTO. This research provides a new strategy for replacing the traditional electrolytic marine antifouling system with the visible-light-catalyzed HClO production system.
KeywordPt WO3 Photocatalytic Visible light Marine antifouling HClO
DOI10.1007/s11164-021-04638-w
Indexed BySCI
Language英语
Funding ProjectNatured Science Foundation of China[42176047] ; Natured Science Foundation of China[41976032] ; High-End Users Program of Kexue[KEXUE2019GZ01]
WOS Research AreaChemistry
WOS SubjectChemistry, Multidisciplinary
WOS IDWOS:000740379900001
PublisherSPRINGER
Citation statistics
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/177690
Collection海洋环境腐蚀与与生物污损重点实验室
Corresponding AuthorWang, Yi; Cong, Hailin
Affiliation1.Qingdao Univ, Coll Mat Sci & Engn, Inst Biomed Mat & Engn, Qingdao 266071, Peoples R China
2.Chinese Acad Sci, Inst Oceanol, CAS Key Lab Marine Environm Corros & Biofouling, Qingdao 266071, Peoples R China
3.Qingdao Natl Lab Marine Sci & Technol, Open Studio Marine Corros & Protect, 1 Wenhai Rd, Qingdao 266237, 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
Lu, Qingbiao,Wang, Yi,Zhang, Dun,et al. Solar light-driven photocatalytic production of hypochlorous acid over Pt/WO3 in seawater for marine antifouling[J]. RESEARCH ON CHEMICAL INTERMEDIATES,2022:19.
APA Lu, Qingbiao,Wang, Yi,Zhang, Dun,&Cong, Hailin.(2022).Solar light-driven photocatalytic production of hypochlorous acid over Pt/WO3 in seawater for marine antifouling.RESEARCH ON CHEMICAL INTERMEDIATES,19.
MLA Lu, Qingbiao,et al."Solar light-driven photocatalytic production of hypochlorous acid over Pt/WO3 in seawater for marine antifouling".RESEARCH ON CHEMICAL INTERMEDIATES (2022):19.
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