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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
刊名JOURNAL OF PHYSICAL CHEMISTRY C
2010-10-14
DOI10.1021/jp1036537
114期:40页:17069-17079
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences ; Technology
类目[WOS]Chemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary
研究领域[WOS]Chemistry ; Science & Technology - Other Topics ; Materials Science
关键词[WOS]IRON-OXIDE FILMS ; SCANNING-TUNNELING-MICROSCOPY ; AU(111) ; SURFACE ; NANOPARTICLES ; REACTIVITY ; CLUSTERS ; ISLANDS ; STM ; NIO
英文摘要Two-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.
语种英语
WOS记录号WOS:000282546000026
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被引频次:42[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/141633
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, Peoples R China
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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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