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The UPS study of ethylene and acetylene co-adsorption with K on Ru(10(1)over-bar0) surface
Zhang, JH; Wu, Y; Zuang, YY; Zhang, HJ; Wang, J; Li, HY; He, PM; Bao, SN; Liu, FQ; Kuirexi, Y; Qian, HJ; Liu FQ(刘凤琴); Kui RX(奎热西); Qian HJ(钱海杰)
2001
发表期刊ACTA PHYSICA SINICA
卷号50期号:6页码:1189-1192
通讯作者Zhejiang Univ, Dept Phys, Hangzhou 310027, Peoples R China ; Chinese Acad Sci, Inst High Energy Phys, Lab Synchrotron Radiat, Beijing 100039, Peoples R China
文章类型Article
摘要The ethylene (C2H4) and acetylene (C2H2) co-adsorbed with K on Ru(10(1) over bar 0) surface has been studied by using ultraviolet spectroscopy( UPS). The results show that ethylene (Cz H,) is absorbed in molecular state on Ru(10(1) over bar 0 )surface stably below 200 K. The dehydrogenated of ethylene occurs at 200 K. The main product of the dehydrogenation of the absorbed ethylene (C2H4)is the acetylene (C2H2) After the dehydrogenation of the absorbed ethylene (C2H4), the binding energies of sigma (CC) and sigma (CH) bonds have an increase of 0.2 eV and 0.5 eV respectively. The acetylene is absorbed in molecular state on Ru(10(1) over bar 0 )surface stably at room temperature. On a K pre-covered surface,the sigma (CC) peak disappears at room temperature. The element K promotes the dissociation of acetylene on Ru(10(1) over bar 0 )surface.
关键词ethylene acetylene K Ru(1010) surface
学科领域Physics
研究领域[WOS]Physics ; Physics
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语种英语
研究领域[WOS]Physics ; Physics
WOS类目Physics, Multidisciplinary
WOS记录号WOS:000169036700035
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文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/239158
专题多学科研究中心
作者单位中国科学院高能物理研究所
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Zhang, JH,Wu, Y,Zuang, YY,et al. The UPS study of ethylene and acetylene co-adsorption with K on Ru(10(1)over-bar0) surface[J]. ACTA PHYSICA SINICA,2001,50(6):1189-1192.
APA Zhang, JH.,Wu, Y.,Zuang, YY.,Zhang, HJ.,Wang, J.,...&钱海杰.(2001).The UPS study of ethylene and acetylene co-adsorption with K on Ru(10(1)over-bar0) surface.ACTA PHYSICA SINICA,50(6),1189-1192.
MLA Zhang, JH,et al."The UPS study of ethylene and acetylene co-adsorption with K on Ru(10(1)over-bar0) surface".ACTA PHYSICA SINICA 50.6(2001):1189-1192.
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