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Construction of 2D/2D layered g-C3N4/Bi12O17Cl2 hybrid material with matched energy band structure and its improved photocatalytic performance
Shi, Lei1; Si, Weiwei1; Wang, Fangxiao3; Qi, Wei2
Corresponding AuthorShi, Lei(shilei_hit@qq.com) ; Qi, Wei(wqi@imr.ac.cn)
2018
Source PublicationRSC ADVANCES
ISSN2046-2069
Volume8Issue:43Pages:24500-24508
AbstractA series of visible-light-induced 2D/2D layered g-C3N4/Bi12O17Cl2 composite photocatalysts were successfully synthesized by a one step chemical precipitation method with g-C3N4, BiCl3 and NaOH as the precursors at room temperature and characterized through XRD, FTIR, XPS, TEM, BET and UV-vis DRS measurements. The results of XRD, FTIR and XPS indicated that g-C3N4 has been introduced in the Bi12O17Cl2 system. The TEM image demonstrated that there was strong surface-to-surface contact between 2D g-C3N4 layers and Bi12O17Cl2 nanosheets, which contributed to a fast transfer of the interfacial electrons, leading to a high separation rate of photoinduced charge carriers in the g-C3N4/Bi12O17Cl2 system. Rhodamine B was considered as the model pollutant to investigate the photocatalytic activity of the resultant samples. The g-C3N4/Bi12O17Cl2 composite showed a clearly improved photocatalytic degradation capacity compared to bare g-C3N4 and Bi12O17Cl2, which was ascribed to the interfacial contact between the 2D g-C3N4 layers and Bi12O17Cl2 sheet with a matched energy band structure, promoting the photoinduced charges' efficient separation. Finally, combined with the results of the trapping experiment, ESR measurements and the band energy analysis, a reasonable photocatalytic mechanism over the 2D/2D layered g-C3N4/Bi12O17Cl2 composite was proposed.
Funding OrganizationLSHU ; Liaoning Provincial Education Department ; NSFC of China
DOI10.1039/c8ra03981j
Indexed BySCI
Language英语
Funding ProjectLSHU[2016XJJ-080] ; Liaoning Provincial Education Department[L2017LQN004] ; NSFC of China[21761132010] ; NSFC of China[91645114] ; NSFC of China[21573256]
WOS Research AreaChemistry
WOS SubjectChemistry, Multidisciplinary
WOS IDWOS:000440243600047
PublisherROYAL SOC CHEMISTRY
Citation statistics
Cited Times:19[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/128876
Collection中国科学院金属研究所
Corresponding AuthorShi, Lei; Qi, Wei
Affiliation1.Liaoning Shihua Univ, Coll Chem Chem Engn & Environm Engn, Fushun 113001, Peoples R China
2.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Liaoning, Peoples R China
3.Shandong Normal Univ, Coll Chem Chem Engn & Mat Sci, Jinan 250014, Shandong, Peoples R China
Recommended Citation
GB/T 7714
Shi, Lei,Si, Weiwei,Wang, Fangxiao,et al. Construction of 2D/2D layered g-C3N4/Bi12O17Cl2 hybrid material with matched energy band structure and its improved photocatalytic performance[J]. RSC ADVANCES,2018,8(43):24500-24508.
APA Shi, Lei,Si, Weiwei,Wang, Fangxiao,&Qi, Wei.(2018).Construction of 2D/2D layered g-C3N4/Bi12O17Cl2 hybrid material with matched energy band structure and its improved photocatalytic performance.RSC ADVANCES,8(43),24500-24508.
MLA Shi, Lei,et al."Construction of 2D/2D layered g-C3N4/Bi12O17Cl2 hybrid material with matched energy band structure and its improved photocatalytic performance".RSC ADVANCES 8.43(2018):24500-24508.
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