Oxygen intercalation under hexagonal boron nitride(h-BN)on Pt(111)

查看全文 作　　者：Yanhong [1]Zhang;Mingming [1]Wei;Qiang [1]Fu;Xinhe [1]Bao

机构地区：[1]State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, The Chinese Academy of Sciences

出　　处：《Science Bulletin》索引2015年第60卷第18期,共8页

基　　金：supported by the National Natural Science Foundation of China(21222305,21373208,and21033009);the National Basic Research Program of China(2011CB932704,2013CB933100,and 2013CB834603);the Key Research Program of the Chinese Academy of Science(KGZD-EWT05);The Advanced Light Source and beamlines 11.0.2 and 9.3.1 are supported by the Director,Office of Energy Research,Office of Basic Energy Sciences,and Chemical Sciences Division of the US Department of Energy under contracts No.DE-AC02-05CH11231 摘　　要：The interface between a two-dimensional(2D)atomic crystal and a metal surface can be regarded as a nanoreactor, in which molecule adsorption and catalytic reactions may occur. In this work, we demonstrate that oxygen intercalation and desorption occur at the interface between hexagonal boron nitride(h-BN) overlayer and Pt(111) surface by using near-ambient pressure X-ray photoelectron spectroscopy(NAP-XPS), photoemission electron microscopy, and low-energy electron microscopy.Furthermore, CO oxidation under the h-BN cover was also observed by NAP-XPS. The present results indicate that the nanospace under the 2D cover can be used for surface reactions, in which novel surface chemistry may be induced by the nanoconfinement effect. 关键词：六方氮化硼 CO氧化发射电子显微镜 X射线光电子能谱金属表面催化反应原子晶体分子吸附

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Oxygen intercalation under hexagonal boron nitride(h-BN)on Pt(111)

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