IOCAS-IR  > 海洋环境腐蚀与与生物污损重点实验室
Building P-doped MoS2/g-C3N4 layered heterojunction with a dual-internal electric field for efficient photocatalytic sterilization
Zhang, Xin1; Tian, Fenyang1; Lan, Xiao2; Liu, Yequn3; Yang, Weiwei1; Zhang, Jie2; Yu, Yongsheng1
2022-02-01
Source PublicationCHEMICAL ENGINEERING JOURNAL
ISSN1385-8947
Volume429Pages:7
Corresponding AuthorYang, Weiwei(yangww@hit.edu.cn) ; Zhang, Jie(zhangjie@qdio.ac.cn) ; Yu, Yongsheng(ysyu@hit.edu.cn)
AbstractThe construction of internal electric field (IEF) is usually considered an effective strategy to enhance photocatalytic efficiency because of its significant role in photo-induced carrier separation. Herein, we report a novel method to synthesize phosphorus-doped (P-doped) MoS2/g-C3N4 layer-by-layer composite, which could expose more active sites and generate a strong interaction by forming Mo-N bonds for photocatalytic sterilization. It is experimentally and theoretically confirmed that P-doped MoS2/g-C3N4 heterojunctions not only generate a dualIEF to drive charge migration, but also facilitate spatially separated redox sites to further promote the separation of photo-induced carrier. The optimized P-doped MoS2/g-C3N4 layered heterojunction exhibits high photocatalytic sterilization efficiency (99.99%) towards E. coli under visible-light irradiation, which is remarkably higher compared with those of P-doped g-C3N4 (44.73%) and P-doped MoS2 (61.69%), respectively. This research will offer a novel method of designing and synthesizing layered composite photocatalyst with a dual-IEF for effective photocatalytic sterilization.
KeywordLayered heterojunction Dual-internal electric field Separated redox sites Photocatalytic sterilization P-doped MoS2 g-C3N4
DOI10.1016/j.cej.2021.132588
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[51871078] ; National Natural Science Foundation of China[52071119] ; National Natural Science Foundation of China[42076043] ; Heilongjiang Science Foundation[LH2020B006]
WOS Research AreaEngineering
WOS SubjectEngineering, Environmental ; Engineering, Chemical
WOS IDWOS:000729803400001
PublisherELSEVIER SCIENCE SA
Citation statistics
Cited Times:16[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/177507
Collection海洋环境腐蚀与与生物污损重点实验室
Corresponding AuthorYang, Weiwei; Zhang, Jie; Yu, Yongsheng
Affiliation1.Harbin Inst Technol, Sch Chem & Chem Engn, MIIT Key Lab Crit Mat Technol New Energy Convers, Harbin 150001, Heilongjiang, Peoples R China
2.Chinese Acad Sci, Inst Oceanol, Key Lab Marine Environm Corros & Biofouling, Qingdao 266071, Shandong, Peoples R China
3.Chinese Acad Sci, Analyt Instrumentat Ctr, Inst Coal Chem, State Key Lab Coal Convers, Taiyuan 030001, Shanxi, Peoples R China
Corresponding Author AffilicationKey Laboratory of Marine Environmental Corrosion and Bio-fouling, IOCAS
Recommended Citation
GB/T 7714
Zhang, Xin,Tian, Fenyang,Lan, Xiao,et al. Building P-doped MoS2/g-C3N4 layered heterojunction with a dual-internal electric field for efficient photocatalytic sterilization[J]. CHEMICAL ENGINEERING JOURNAL,2022,429:7.
APA Zhang, Xin.,Tian, Fenyang.,Lan, Xiao.,Liu, Yequn.,Yang, Weiwei.,...&Yu, Yongsheng.(2022).Building P-doped MoS2/g-C3N4 layered heterojunction with a dual-internal electric field for efficient photocatalytic sterilization.CHEMICAL ENGINEERING JOURNAL,429,7.
MLA Zhang, Xin,et al."Building P-doped MoS2/g-C3N4 layered heterojunction with a dual-internal electric field for efficient photocatalytic sterilization".CHEMICAL ENGINEERING JOURNAL 429(2022):7.
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