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题名: Immobilising a cobalt cubane catalyst on a dyesensitised TiO2 photoanode via electrochemical polymerisation for light-driven water oxidation
作者: Li, Jialing1;  Jiang, Yi1, 2;  Zhang, Qian1;  Zhao, Xiaochen3;  Li, Na1, 4;  Tong, Haili1;  Yang, Xiaoxuan1;  Xia, Lixin1
刊名: RSC ADVANCES
发表日期: 2017
DOI: 10.1039/c6ra24989b
卷: 7, 期:7, 页:4102-4107
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Multidisciplinary
研究领域[WOS]: Chemistry
英文摘要: A simple and effective method to prepare photocatalytically active electrodes for water oxidation is described in this paper. The precious-metal-free catalyst, Co4O4(O2CMe) 4(4-vinylpy) 4 (py = pyridine) was electrochemically polymerised on a RuP-sensitised TiO2 (RuP = [Ru(bpy) 2(4,4'-(PO3H2)(2)bpy(2))]Cl-2) and on a TiO2 surface codecorated with vinyl phosphate (Vpa) and RuP for applications in molecular photoelectrochemical (PEC) devices. With a Vpa chain as the anchoring group, the photoanode poly-Co4O4+Vpa/RuP/TiO2 demonstrated a significantly higher PEC performance compared to poly-Co4O4/RuP/TiO2. The introduction of a Vpa chain allows better immobilisation of catalyst and enhances the electron transport between the photosensitiser and the catalyst. A photocurrent density of similar to 100 mA cm(-2) was achieved in a Na2SO4 solution at pH 7.0 under a 0.4 V external bias, with a faradaic efficiency of 76% for oxygen production.
关键词[WOS]: PHOTOELECTROCHEMICAL CELLS ;  HYDROGEN-PRODUCTION ;  ELECTRON-TRANSFER ;  PHOTOSYSTEM-II ;  BLUE DIMER ;  COMPLEXES ;  PHOTOSYNTHESIS ;  MECHANISMS ;  BILAYER ;  OXIDES
语种: 英语
WOS记录号: WOS:000393750100061
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/151892
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Liaoning Univ, Coll Chem, Shenyang 110036, Liaoning, Peoples R China
2.Dalian Univ Technol, State Key Lab Fine Chem, Dalian 116024, Peoples R China
3.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Liaoning, Peoples R China
4.Yingkou Inst Technol, Dept Chem Engn, Yingkou 115000, Liaoning, Peoples R China

Recommended Citation:
Li, Jialing,Jiang, Yi,Zhang, Qian,et al. Immobilising a cobalt cubane catalyst on a dyesensitised TiO2 photoanode via electrochemical polymerisation for light-driven water oxidation[J]. RSC ADVANCES,2017,7(7):4102-4107.
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