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Growth and Characterization of Two-Dimensional FeO Nanoislands Supported on Pt(111)
Yao, Yunxi; Fu, Qiang; Wang, Zhen; Tan, Dali; Bao, Xinhe
Source PublicationJOURNAL OF PHYSICAL CHEMISTRY C
2010-10-14
DOI10.1021/jp1036537
Volume114Issue:40Pages:17069-17079
Indexed BySCI
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
WOS SubjectChemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary
WOS Research AreaChemistry ; Science & Technology - Other Topics ; Materials Science
WOS KeywordIRON-OXIDE FILMS ; SCANNING-TUNNELING-MICROSCOPY ; AU(111) ; SURFACE ; NANOPARTICLES ; REACTIVITY ; CLUSTERS ; ISLANDS ; STM ; NIO
AbstractTwo-dimensional (2D) FeO nanoislands with a well-controlled size, density, and surface structure have been grown on Pt(111) by a two-step preparation process, which consists of Fe deposition at low temperatures, such as 150 K, in an O-2 atmosphere and subsequent annealing at elevated temperatures in ultrahigh vacuum. The atomic structure, chemical composition, and electronic state of the formed FeO nanoislands were investigated by scanning tunneling microscopy (STM), X-ray photoelectron spectroscopy, and high-resolution electron energy loss spectroscopy. The formation of the metastable 2D Fe surface phase can be attributed to confinement effects at interfaces between nanostructured oxides and metal substrates, which originate from the strong interaction between FeO and Pt(111). Furthermore, the STM and scanning tunneling spectroscopic data indicate that the formed Pt-FeO boundaries or edges of the FeO nanoislands present distinct chemical and electronic characteristics, which could be highly active in many catalytic processes.
Language英语
WOS IDWOS:000282546000026
Citation statistics
Cited Times:44[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/141633
Collection中国科学院大连化学物理研究所
AffiliationChinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
Recommended Citation
GB/T 7714
Yao, Yunxi,Fu, Qiang,Wang, Zhen,et al. Growth and Characterization of Two-Dimensional FeO Nanoislands Supported on Pt(111)[J]. JOURNAL OF PHYSICAL CHEMISTRY C,2010,114(40):17069-17079.
APA Yao, Yunxi,Fu, Qiang,Wang, Zhen,Tan, Dali,&Bao, Xinhe.(2010).Growth and Characterization of Two-Dimensional FeO Nanoislands Supported on Pt(111).JOURNAL OF PHYSICAL CHEMISTRY C,114(40),17069-17079.
MLA Yao, Yunxi,et al."Growth and Characterization of Two-Dimensional FeO Nanoislands Supported on Pt(111)".JOURNAL OF PHYSICAL CHEMISTRY C 114.40(2010):17069-17079.
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