LICP OpenIR  > 羰基合成与选择氧化国家重点实验室(OSSO)
A Bioinspired Molecular Polyoxometalate Catalyst with Two Cobalt(II) Oxide Cores for Photocatalytic Water Oxidation
DepartmentOSSO国家重点实验室
Wei, Jie1; Feng, Yingying1; Zhou, Panpan1; Liu, Yan1; Xu, Jingyin1; Xiang, Rui1; Ding Y(丁勇)1,2; Zhao, Chongchao3; Fan, Linyuan4; Hu, Changwen4; Ding Y(丁勇)
2015
Source PublicationChemSusChem
ISSN1864-5631
Volume8Issue:16Pages:2630-2634
Abstract

To overcome the bottleneck of water splitting, the exploration of efficient, selective, and stable water oxidation catalysts (WOCs) is crucial. We report an all-inorganic, oxidatively and hydrolytically stable WOC based on a polyoxometalate [(A-[alpha]-SiW9O34)2Co8(OH)6(H2O)2(CO3)3]16− (Co8POM). As a cobalt(II)-based cubane water oxidation catalyst, Co8POM embeds double CoII4O3 cores. The self-assembled catalyst is similar to the oxygen evolving complex (OEC) of photosystem II (PS II). Using [Ru(bpy)3]2+ as a photosensitizer and persulfate as a sacrificial electron acceptor, Co8POM exhibits excellent water oxidation activity with a turnover number (TON) of 1436, currently the highest among bioinspired catalysts with a cubical core, and a high initial turnover frequency (TOF). Investigation by several spectroscopy, spectrometry, and other techniques confirm that Co8POM is a stable and efficient catalyst for visible light-driven water oxidation. The results offer a useful insight into the design of water oxidation catalysts.

KeywordCobalt Homogeneous Catalysis Photocatalysis Polyoxometalates Water Oxidation
Subject Area物理化学与绿色催化
DOI10.1002/cssc.201500490
Funding Organizationthe National Natural Science Foundation of China (grant 21173105)
Indexed BySCI
If7.116
Language英语
compositor第二作者单位
Citation statistics
Cited Times:74[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.licp.cn/handle/362003/18577
Collection羰基合成与选择氧化国家重点实验室(OSSO)
Corresponding AuthorDing Y(丁勇)
Affiliation1.Lanzhou Univ, Coll Chem & Chem Engn, State Key Lab Appl Organ Chem, Key Lab Nonferrous Met Chem & Resources Utilizat, Lanzhou 730000, Peoples R China
2.Chinese Acad Sci, Lanzhou Inst Chem Phys, State Key Lab Oxo Synth & Select Oxidat, Lanzhou 730000, Peoples R China
3.Northwestern Univ, Dept Chem, Evanston, IL USA
4.Beijing Inst Technol, Sch Chem, Beijing Key Lab Photoelect Electrophoton, Key Lab Cluster Sci,Minist Educ, Beijing 100081, Peoples R China
Recommended Citation
GB/T 7714
Wei, Jie,Feng, Yingying,Zhou, Panpan,et al. A Bioinspired Molecular Polyoxometalate Catalyst with Two Cobalt(II) Oxide Cores for Photocatalytic Water Oxidation[J]. ChemSusChem,2015,8(16):2630-2634.
APA Wei, Jie.,Feng, Yingying.,Zhou, Panpan.,Liu, Yan.,Xu, Jingyin.,...&丁勇.(2015).A Bioinspired Molecular Polyoxometalate Catalyst with Two Cobalt(II) Oxide Cores for Photocatalytic Water Oxidation.ChemSusChem,8(16),2630-2634.
MLA Wei, Jie,et al."A Bioinspired Molecular Polyoxometalate Catalyst with Two Cobalt(II) Oxide Cores for Photocatalytic Water Oxidation".ChemSusChem 8.16(2015):2630-2634.
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