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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
发表期刊INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
卷号41期号:48页码:22743-22750
摘要MnO2 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.
文章类型Article
关键词C3n4 Cnts And Mno2 Modification Water Splitting Visible Light Irradiation
WOS标题词Science & Technology ; Physical Sciences ; Technology
资助者National Natural Science Foundation of China(51302263) ; Guangdong Natural Science Foundation(2015A030313715) ; Science & Technology Plan Project of Guangzhou City, China(201509010018) ; National Natural Science Foundation of China(51302263) ; Guangdong Natural Science Foundation(2015A030313715) ; Science & Technology Plan Project of Guangzhou City, China(201509010018)
DOI10.1016/j.ijhydene.2016.10.068
研究领域[WOS]Chemistry ; Electrochemistry ; Energy & Fuels
关键词[WOS]PHOTOCATALYTIC ACTIVITY ; HYDROGEN-PRODUCTION ; H-2 EVOLUTION ; GRAPHITIC C3N4 ; GRAPHENE ; TIO2 ; G-C3N4 ; NANOPARTICLES ; PERFORMANCE ; ADSORPTION
收录类别SCI
语种英语
资助者National Natural Science Foundation of China(51302263) ; Guangdong Natural Science Foundation(2015A030313715) ; Science & Technology Plan Project of Guangzhou City, China(201509010018) ; National Natural Science Foundation of China(51302263) ; Guangdong Natural Science Foundation(2015A030313715) ; Science & Technology Plan Project of Guangzhou City, China(201509010018)
WOS类目Chemistry, Physical ; Electrochemistry ; Energy & Fuels
WOS记录号WOS:000391077400014
引用统计
被引频次:14[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.giec.ac.cn/handle/344007/14016
专题中国科学院广州能源研究所
环境能源材料实验室
太阳能系统应用实验室
作者单位Chinese Acad Sci, Key Lab Renewable Energy, Guangzhou Inst Energy Convers, Guangzhou 510640, Guangdong, Peoples R China
推荐引用方式
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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