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Covalent immobilization of molecular complexes on metal-organic frameworks towards robust and highly efficient heterogeneous water oxidation catalysts
Liang, Xiangming1; Yang, Sizhuo2; Yang, Junyi1; Sun, Wanjun1; Li, Xiangyang1; Ma, Baochun1; Huang, Jier2; Zhang, Jiangwei3; Duan, Lele4; Ding, Y(丁勇)1
2021-08-15
Source PublicationApplied Catalysis B: Environmental
ISSN0926-3373
Volume291
AbstractThe major challenges to practical implementation of efficient noble metal based molecular water oxidation catalysts are their stability and recycle ability. Herein, noble metal Ru based molecular water oxidation catalysts were covalently anchored in MOFs through "amide bond" as bridges, which leads to the formation of high-efficiency and robust heterogeneous catalysts for water oxidation reaction. We show that the efficiency for CeIV-driven water oxidation was significantly enhanced by 120 times when the Ru molecules were immobilized on the frameworks of MIL-101(Cr). The relationship between recycle stability and the structure of the Ru complexes covalently anchored in MOFs was carefully studied by recycle tests and various characterization methods. [Ru(terpy)(pic)2(H2O)]2+ was directly certified as real catalytic species instead of the original complex [Ru(terpy)(pic)2Cl]+ by the X-ray absorption spectroscopy and control experiments. The synthetic method of hybrid catalysts offers a good strategy for enhancing water oxidation activity and stability of molecular catalysts. © 2021 Elsevier B.V.
KeywordAmides Catalysts Efficiency Metal-Organic Frameworks Organic polymers Organometallics Precious metals Recycling Ruthenium compounds Water absorption X ray absorption spectroscopy X ray powder diffraction Amide bond Covalent immobilization Heterogeneous catalyst Higher efficiency Metal-organic-frameworks Molecular complexes Molecular water Oxidation reactions Water oxidation Water oxidation catalysts
PublisherElsevier B.V.
DOI10.1016/j.apcatb.2021.120070
Indexed ByEI
Language英语
EI Accession Number20211010047532
EI KeywordsOxidation
EI Classification Number452.3 Industrial Wastes ; 531.1 Metallurgy ; 547.1 Precious Metals ; 802.2 Chemical Reactions ; 802.3 Chemical Operations ; 803 Chemical Agents and Basic Industrial Chemicals ; 804 Chemical Products Generally ; 804.1 Organic Compounds ; 815.1.1 Organic Polymers ; 913.1 Production Engineering ; 931.3 Atomic and Molecular Physics
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Document Type期刊论文
Identifierhttp://ir.lzu.edu.cn/handle/262010/449687
Collection化学化工学院
Corresponding AuthorZhang, Jiangwei
Affiliation1.State Key Laboratory of Applied Organic Chemistry, Key Laboratory of Nonferrous Metals Chemistry and Resources Utilization of Gansu Province, and College of Chemistry and Chemical Engineering, Lanzhou University, 222 Tianshui South Road, Lanzhou;730000, China;
2.Department of Chemistry, Marquette University, Milwaukee;WI;53201, United States;
3.Dalian National Laboratory for Clean Energy & State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences (CAS), Dalian;116023, China;
4.Department of Chemistry, Shenzhen Grubbs Institute and Guangdong Provincial Key Laboratory of Energy Materials for Electric Power, Southern University of Science and Technology, Shenzhen;Guangdong;518055, China
First Author AffilicationCollege of Chemistry and Chemical Engineering
Recommended Citation
GB/T 7714
Liang, Xiangming,Yang, Sizhuo,Yang, Junyi,et al. Covalent immobilization of molecular complexes on metal-organic frameworks towards robust and highly efficient heterogeneous water oxidation catalysts[J]. Applied Catalysis B: Environmental,2021,291.
APA Liang, Xiangming.,Yang, Sizhuo.,Yang, Junyi.,Sun, Wanjun.,Li, Xiangyang.,...&Ding, Yong.(2021).Covalent immobilization of molecular complexes on metal-organic frameworks towards robust and highly efficient heterogeneous water oxidation catalysts.Applied Catalysis B: Environmental,291.
MLA Liang, Xiangming,et al."Covalent immobilization of molecular complexes on metal-organic frameworks towards robust and highly efficient heterogeneous water oxidation catalysts".Applied Catalysis B: Environmental 291(2021).
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