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MnO2 and carbon nanotube co-modified C3N4 composite catalyst for enhanced water splitting activity under visible light irradiation
Wang, Nan; Li, Juan; Wu, Liangpeng; Li, Xinjun; Shu, Jie
2016-12-28
Source PublicationINTERNATIONAL JOURNAL OF HYDROGEN ENERGY
ISSN0360-3199
Volume41Issue:48Pages:22743-22750
AbstractMnO2 and carbon nanotube co-modified C3N4 (CNTs/MnO2-C3N4) ternary composite was synthesized. The prepared catalyst was investigated by X-ray diffraction, transmission electron microscopy, UVVis absorption spectroscopy, nitrogen sorption, X-ray spectroscopy, photoluminescence spectroscopy and transient photocurrent responses. The photocatalytic activity of the ternary catalyst was evaluated by hydrogen and oxygen evolution for visible-light-driven water splitting without the addition of sacrificial agents. Compared with MnO2/C3N4 and CNTs/C3N4 catalysts, the CNTs/MnO2-C3N4 ternary catalyst showed an enhanced visible light-induced water splitting activity with a H-2 evolution rate of 122 mu mol h(-1). In the CNTs/MnO2-C3N4 ternary catalyst, CNT can capture the electron from C3N4 and facilitate hydrogen evolution, and MnO2 catalyzes the decomposition of hydrogen peroxide for O-2 evolution, leading to the efficient separation of photogenerated electron-hole pairs, thus an enhanced water splitting performance is achieved. (C) 2016 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
SubtypeArticle
KeywordC3n4 Cnts And Mno2 Modification Water Splitting Visible Light Irradiation
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
DOI10.1016/j.ijhydene.2016.10.068
WOS Subject ExtendedChemistry ; Electrochemistry ; Energy & Fuels
WOS KeywordPHOTOCATALYTIC ACTIVITY ; HYDROGEN-PRODUCTION ; H-2 EVOLUTION ; GRAPHITIC C3N4 ; GRAPHENE ; TIO2 ; G-C3N4 ; NANOPARTICLES ; PERFORMANCE ; ADSORPTION
Indexed BySCI
Language英语
Funding OrganizationNational Natural Science Foundation of China(51302263) ; Guangdong Natural Science Foundation(2015A030313715) ; Science & Technology Plan Project of Guangzhou City, China(201509010018)
WOS SubjectChemistry, Physical ; Electrochemistry ; Energy & Fuels
WOS IDWOS:000391077400014
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Cited Times:19[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/14016
Collection能源材料
AffiliationChinese Acad Sci, Key Lab Renewable Energy, Guangzhou Inst Energy Convers, Guangzhou 510640, Guangdong, Peoples R China
Recommended Citation
GB/T 7714
Wang, Nan,Li, Juan,Wu, Liangpeng,et al. MnO2 and carbon nanotube co-modified C3N4 composite catalyst for enhanced water splitting activity under visible light irradiation[J]. INTERNATIONAL JOURNAL OF HYDROGEN ENERGY,2016,41(48):22743-22750.
APA Wang, Nan,Li, Juan,Wu, Liangpeng,Li, Xinjun,&Shu, Jie.(2016).MnO2 and carbon nanotube co-modified C3N4 composite catalyst for enhanced water splitting activity under visible light irradiation.INTERNATIONAL JOURNAL OF HYDROGEN ENERGY,41(48),22743-22750.
MLA Wang, Nan,et al."MnO2 and carbon nanotube co-modified C3N4 composite catalyst for enhanced water splitting activity under visible light irradiation".INTERNATIONAL JOURNAL OF HYDROGEN ENERGY 41.48(2016):22743-22750.
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