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Enhancement of Visible-Light Photocatalytic Hydrogen Production by CeCO 3 OH in g-C 3 N 4 /CeO 2 System
Rui Tong4; Zhi Sun3; Xiongwei Zhong1,4; Xina Wang2; Jincheng Xu4; Ye Yang4; Baomin Xu1; Shuangpeng Wang4; Hui Pan4
2018-12-12
Source PublicationChemCatChem
ISSN1867-3880
Volume11Issue:3Pages:1069-1075
Abstract

Promoting the separation of photo-generated carriers is significantly important to improve the efficiency of photocatalytic hydrogen production. Therefore, we prepared g-C3N4/CeCO3OH/CeO2 (CeCeCN) ternary nanocomposite via an easy synthetic way using g-C3N4 and CeO2 as reactants. A CeCO3OH layer was formed and resulted in the novel ternary photocatalyst. The CeCeCN composite shows superior photocatalytic (PC) H2 generation performance in sunlight excitation. The H2 evolution rate is about 764 μmol h−1 g−1, which is over 11 times larger than those of g-C3N4 and CeO2. Compared with g-C3N4 and CeO2, CeCeCN further shows a larger photo-response current density and a lower charge-transfer resistance. The remarkably increased photocatalytic property of CeCeCN is because of the efficient charge migration induced by the formed heterojunction. Our findings demonstrate that building multi-heterostructures can liberate more excited electrons for efficient hydrogen production under sunlight.

KeywordG-c3n4/ceco3oh/ceo2 Heterojunction Photocatalytic Hydrogen Evolution Ceco3oh Ternary
DOI10.1002/cctc.201801831
URLView the original
Indexed BySCIE
Language英語English
WOS Research AreaChemistry
WOS SubjectChemistry, Physical
WOS IDWOS:000459736500019
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Cited Times [WOS]:9   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionUniversity of Macau
Affiliation1.Department of Materials Science and EngineeringSouthern University of Science and TechnologyShenzhen 518055 (China)
2.Hubei Key Laboratory of Ferro & piezoelectric Materials and DevicesFaculty of Physics and Electronic ScienceHubei University
3.State Key Discipline Laboratory of Wide-Bandgap Semiconductor Technol-ogiesSchool of MicroelectronicsXidian UniversityXi’an 710071 (P. R. China)
4.oint Key Laboratory of the Ministry of EducationInstitute of Applied Physics and Materials EngineeringUniversity of MacauMacao SAR (China)
First Author AffilicationINSTITUTE OF APPLIED PHYSICS AND MATERIALS ENGINEERING
Recommended Citation
GB/T 7714
Rui Tong,Zhi Sun,Xiongwei Zhong,et al. Enhancement of Visible-Light Photocatalytic Hydrogen Production by CeCO 3 OH in g-C 3 N 4 /CeO 2 System[J]. ChemCatChem,2018,11(3):1069-1075.
APA Rui Tong,Zhi Sun,Xiongwei Zhong,Xina Wang,Jincheng Xu,Ye Yang,Baomin Xu,Shuangpeng Wang,&Hui Pan.(2018).Enhancement of Visible-Light Photocatalytic Hydrogen Production by CeCO 3 OH in g-C 3 N 4 /CeO 2 System.ChemCatChem,11(3),1069-1075.
MLA Rui Tong,et al."Enhancement of Visible-Light Photocatalytic Hydrogen Production by CeCO 3 OH in g-C 3 N 4 /CeO 2 System".ChemCatChem 11.3(2018):1069-1075.
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