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Formation of Periodic Arrays of O Vacancy Clusters on Monolayer FeO Islands Grown on Pt(111)
Ma Teng; Fu Qiang; Yao Yunxi; Cui Yi; Tan Dali; Zhai Runsheng; Bao Xinhe
关键词Iron Platinum Bimetallic Catalyst Iron Oxide Film Oxygen Vacancy Scanning Tunneling Microscopy
刊名CHINESE JOURNAL OF CATALYSIS
2010-08-01
DOI10.1016/S1872-2067(10)60102-7
31期:8页:1013-1018
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences ; Technology
类目[WOS]Chemistry, Applied ; Chemistry, Physical ; Engineering, Chemical
研究领域[WOS]Chemistry ; Engineering
关键词[WOS]OXYGEN REDUCTION ; BIMETALLIC SURFACES ; ALLOY ; FILMS ; STM ; ELECTROCATALYSTS ; HYDROGENATION ; NANOPARTICLES ; FEO/PT(111) ; STABILITY
英文摘要The structural evolution of a Pt surface with 0 4 monolayer (ML) subsurface Fe on annealing in 11 x 10(-7) kPa O(2) was studied by scanning tunnel mu microscopy and X-ray photoelectron spectroscopy When the annealing temperature was 600 K. only dissociative adsorption of O(2) occurred, which induced the local restructuring of surface legions At 750 K, subsurface Fe atoms segregated onto the sin face and were oxidized When the annealing temperature was increased to 850 K. well defined monolayer FeO islands with periodic arrays of defects were formed The defects were located at the hexagonal closest packed sites (fcc) of FeO Moire unit cells and were either single oxygen vacancies of multiple oxygen vacancies consisting of six missing O atoms The formation of periodic defects On monolayer FeO islands may be a way to construct active sites on Pt-Fe model catalysts
语种英语
WOS记录号WOS:000282079400021
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文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/141934
专题中国科学院大连化学物理研究所
作者单位Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Liaoning, Peoples R China
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Ma Teng,Fu Qiang,Yao Yunxi,et al. Formation of Periodic Arrays of O Vacancy Clusters on Monolayer FeO Islands Grown on Pt(111)[J]. CHINESE JOURNAL OF CATALYSIS,2010,31(8):1013-1018.
APA Ma Teng.,Fu Qiang.,Yao Yunxi.,Cui Yi.,Tan Dali.,...&Bao Xinhe.(2010).Formation of Periodic Arrays of O Vacancy Clusters on Monolayer FeO Islands Grown on Pt(111).CHINESE JOURNAL OF CATALYSIS,31(8),1013-1018.
MLA Ma Teng,et al."Formation of Periodic Arrays of O Vacancy Clusters on Monolayer FeO Islands Grown on Pt(111)".CHINESE JOURNAL OF CATALYSIS 31.8(2010):1013-1018.
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