DICP OpenIR
First-principles kinetics study of carbon monoxide promoted Ostwald ripening of Au particles on FeO/Pt(111)
Hu, Sulei1,4; Ouyang, Runhai1,4; Li, Wei-Xue1,2,3
Corresponding AuthorLi, Wei-Xue(wxli70@ustc.edu.cn)
KeywordCarbon monoxide Au particles Ostwald ripening First-principles kinetics FeO/Pt(111)
Source PublicationJOURNAL OF ENERGY CHEMISTRY
2019-03-01
ISSN2095-4956
DOI10.1016/j.jechem.2018.03.023
Volume30Pages:108-113
Funding ProjectNational Key R&D Program of China[2017YB0602205] ; National Natural Science Foundation of China[91645202] ; Chinese Academy of Sciences[QYZDJ-SSW-SLH054]
Funding OrganizationNational Key R&D Program of China ; National Key R&D Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; National Key R&D Program of China ; National Key R&D Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; National Key R&D Program of China ; National Key R&D Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; National Key R&D Program of China ; National Key R&D Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Chinese Academy of Sciences ; Chinese Academy of Sciences
WOS SubjectChemistry, Applied ; Chemistry, Physical ; Energy & Fuels ; Engineering, Chemical
WOS Research AreaChemistry ; Energy & Fuels ; Engineering
WOS KeywordSURFACE SELF-DIFFUSION ; OXIDE SURFACES ; ELEVATED PRESSURES ; CO OXIDATION ; METAL NANOPARTICLES ; CATALYTIC-ACTIVITY ; MODEL CATALYSTS ; GOLD CLUSTERS ; SHAPE CHANGES ; IN-SITU
AbstractThe dynamic and kinetic evolution of supported metal particles in the presence of reactants is decisive in shaping the nature of the catalytic active sites and the deactivation process. Ostwald ripening of FeO/Pt(111) supported Au particles in the presence of carbon monoxide is addressed here by first-principles kinetics. It is found that CO stabilizes the ripening monomer (Au atom) by forming favorable Au carbonyls with lower total activation energy, and corresponding phase diagram at wide range of temperature and CO pressures is constructed. Evolution of particle number, dispersion and particle size distribution of supported Au particles are explored. Great influence of CO promotion on ripening kinetics is revealed and explored in details, and mbar range of CO can lower the onset temperature of ripening by a few hundred kelvins. The present work reveals the crucial role of the metal-reactant complexes formed under reaction conditions on ripening of metal catalysts. (C) 2018 Science Press and Dalian Institute of Chemical Physics, Chinese Academy of Sciences. Published by Elsevier B.V. and Science Press. All rights reserved.
Language英语
Funding OrganizationNational Key R&D Program of China ; National Key R&D Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; National Key R&D Program of China ; National Key R&D Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; National Key R&D Program of China ; National Key R&D Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; National Key R&D Program of China ; National Key R&D Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Chinese Academy of Sciences ; Chinese Academy of Sciences
WOS IDWOS:000457878900015
PublisherELSEVIER SCIENCE BV
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/166081
Collection中国科学院大连化学物理研究所
Corresponding AuthorLi, Wei-Xue
Affiliation1.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Liaoning, Peoples R China
2.Univ Sci & Technol China, Sch Chem & Mat Sci, CAS Excellence Ctr Nanosci, Dept Chem Phys,iCHeM, Hefei 230026, Anhui, Peoples R China
3.Hefei Natl Lab Phys Sci Microscale, Hefei 230026, Anhui, Peoples R China
4.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Hu, Sulei,Ouyang, Runhai,Li, Wei-Xue. First-principles kinetics study of carbon monoxide promoted Ostwald ripening of Au particles on FeO/Pt(111)[J]. JOURNAL OF ENERGY CHEMISTRY,2019,30:108-113.
APA Hu, Sulei,Ouyang, Runhai,&Li, Wei-Xue.(2019).First-principles kinetics study of carbon monoxide promoted Ostwald ripening of Au particles on FeO/Pt(111).JOURNAL OF ENERGY CHEMISTRY,30,108-113.
MLA Hu, Sulei,et al."First-principles kinetics study of carbon monoxide promoted Ostwald ripening of Au particles on FeO/Pt(111)".JOURNAL OF ENERGY CHEMISTRY 30(2019):108-113.
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