Optimized preparation of Co-Pi decorated g-C3N4@ZnO shell-core nanorod array for its improved photoelectrochemical performance and stability
Sun, Mengmeng1,2,4; Chen, Zhuoyuan1,2,4; Jiang, Xuhong1; Feng, Chang2; Zeng, Rongchang3
2019-04-05
发表期刊JOURNAL OF ALLOYS AND COMPOUNDS
ISSN0925-8388
卷号780页码:540-551
通讯作者Chen, Zhuoyuan(zychen@qdio.ac.cn)
摘要The cobalt-phosphate (Co-Pi) decorated g-C3N4@ZnO shell-core nanorod array (Co-Pi/g-C3N4@ZnO NRA) photoanode with broadened spectral response and optimized photoelectrochemical (PEC) performance was prepared. The g-C3N4@ZnO NRA was prepared via improved urea impregnation and calcination methods in semi enclosed environment. The g-C3N4 flexible slice shell was uniformly wrapped on ZnO nanorods core and the intimately contacted heterojunction was formed between the interface of g-C3N4 and ZnO. The g-C3N4@ZnO NRA promotes the separation and transfer of the photogenerated electron-hole pairs on g-C3N4 and ZnO under either visible light or white light illumination. The prepared g-C3N4@ZnO NRA was further electrodeposited with Co-Pi nanoparticles (NPs). The Co-Pi NPs can assist in the consumption of the photoinduced holes as well as pull the Fermi level potential of g-C3N4@ZnO NRAs towards the positive direction, resulting in the upward band bending at the band-edge position for Co-Pi/g-C3N4@ZnO NRAs and promoting the separation efficiency of the photogenerated electron-hole pairs. Consequently, the Co-Pi/g-C3N4@ZnO NRA exhibits an improved PEC performance under both visible light and white light illumination. In addition, g-C3N4 flexible slice shell decorated with Co-Pi NPs covered on the surface of ZnO NRAs core improved the stability of the ZnO NRA photoanode. (C) 2018 Elsevier B.V. All rights reserved.
关键词Electrode materials Heterojunctions Surfaces and interfaces Semiconductors Optical properties Photoconductivity and photovoltaics
DOI10.1016/j.jallcom.2018.12.019
收录类别SCI
语种英语
资助项目National Natural Science Foundation of China[41676069] ; National Natural Science Foundation of China[41376126] ; National Natural Science Foundation of China[41576114] ; State Key Laboratory for Marine Corrosion and Protection, Luoyang Ship Material Research Institute, China[614290101011703] ; State Key Laboratory for Marine Corrosion and Protection, Luoyang Ship Material Research Institute, China[KF160402] ; Qing-dao Innovative Leading Talent Foundation[15-10-3-15-(39)-zch] ; Qingdao Science and Technology Achievement Transformation Guidance Plan (Applied Basic Research)[14-2-4-4-jch] ; National Natural Science Foundation of China[41676069] ; National Natural Science Foundation of China[41376126] ; National Natural Science Foundation of China[41576114] ; State Key Laboratory for Marine Corrosion and Protection, Luoyang Ship Material Research Institute, China[614290101011703] ; State Key Laboratory for Marine Corrosion and Protection, Luoyang Ship Material Research Institute, China[KF160402] ; Qing-dao Innovative Leading Talent Foundation[15-10-3-15-(39)-zch] ; Qingdao Science and Technology Achievement Transformation Guidance Plan (Applied Basic Research)[14-2-4-4-jch]
WOS研究方向Chemistry ; Materials Science ; Metallurgy & Metallurgical Engineering
WOS类目Chemistry, Physical ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS记录号WOS:000456789000066
出版者ELSEVIER SCIENCE SA
引用统计
被引频次:26[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.qdio.ac.cn/handle/337002/160642
专题海洋环境腐蚀与生物污损重点实验室
通讯作者Chen, Zhuoyuan
作者单位1.Chinese Acad Sci, Key Lab Marine Environm Corros & Biofouling, Inst Oceanol, 7 Nanhai Rd, Qingdao 266071, Peoples R China
2.Luoyang Ship Mat Res Inst, State Key Lab Marine Corros & Protect, Wenhai Rd, Qingdao 266237, Peoples R China
3.Shandong Univ Sci & Technol, Coll Mat Sci & Engn, 579 Qianwangang Rd, Qingdao 266590, Peoples R China
4.Chinese Acad Sci, Ctr Ocean Mega Sci, 7 Nanhai Rd, Qingdao 266071, Peoples R China
第一作者单位中国科学院海洋研究所
通讯作者单位中国科学院海洋研究所
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Sun, Mengmeng,Chen, Zhuoyuan,Jiang, Xuhong,et al. Optimized preparation of Co-Pi decorated g-C3N4@ZnO shell-core nanorod array for its improved photoelectrochemical performance and stability[J]. JOURNAL OF ALLOYS AND COMPOUNDS,2019,780:540-551.
APA Sun, Mengmeng,Chen, Zhuoyuan,Jiang, Xuhong,Feng, Chang,&Zeng, Rongchang.(2019).Optimized preparation of Co-Pi decorated g-C3N4@ZnO shell-core nanorod array for its improved photoelectrochemical performance and stability.JOURNAL OF ALLOYS AND COMPOUNDS,780,540-551.
MLA Sun, Mengmeng,et al."Optimized preparation of Co-Pi decorated g-C3N4@ZnO shell-core nanorod array for its improved photoelectrochemical performance and stability".JOURNAL OF ALLOYS AND COMPOUNDS 780(2019):540-551.
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