Comparative vibrational study on alkali coadsorption with CO and O on Ni(111) and Cu(111)

被引：7
|
作者：
Politano, A. [1 ]
Formoso, V. [1 ,2 ,3 ]
Chiarello, G. [1 ,4 ]
机构：
[1] Univ Calabria, Dipartimento Fis Rende Cs, I-87030 Commenda Di Rende, Italy
[2] Laboratorio Regionale LICRYL, I-87036 Arcavacata Di Rende, Cs, Italy
[3] CNR Corso Perrone, INFM, I-16152 Genoa, Italy
[4] Consorzio Interuniv Sci Fis Mat, CNISM, I-00146 Rome, Italy
来源：
JOURNAL OF PHYSICS-CONDENSED MATTER | 2009年 / 21卷 / 26期
关键词：
DENSITY-FUNCTIONAL THEORY; ETHYLENE EPOXIDATION; SUBSURFACE OXYGEN; ADSORBATE INTERACTIONS; ADSORPTION DYNAMICS; CATALYTIC PROMOTION; CARBON-MONOXIDE; LONG-RANGE; POTASSIUM; SURFACE;
D O I：
10.1088/0953-8984/21/26/264006
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
High-resolution electron energy loss spectroscopy was used to investigate alkali (Na, K) coadsorption with CO and O on Cu(111) and Ni(111). Measurements provided new insights in these systems. A CO-induced weakening of the alkali-substrate bond was revealed on both substrates. The effect is more pronounced for the Na + CO/Ni(111) system. Submonolayers of alkalis were found to promote the preferential population of the subsurface site for O/Cu(111) but not for O/Ni(111).
引用
收藏
页数：7
相关论文
共 50 条
  • [11] Vibrational measurements of Na/Ni(111) and (Na + CO)/Ni(111)
    Politano, A.
    Agostino, R. G.
    Colavita, E.
    Formoso, V.
    Tenuta, L.
    Chiarello, G.
    JOURNAL OF MATERIALS SCIENCE, 2008, 43 (10) : 3447 - 3451
  • [12] Surface diffusion of Ni on Si(111) with coadsorption of Co
    Dolbak, AE
    Ol'shanetskii, BZ
    Tiis, SA
    Zhachuk, RA
    PHYSICS OF THE SOLID STATE, 1999, 41 (08) : 1364 - 1368
  • [13] Surface diffusion of Ni on Si(111) with coadsorption of Co
    A. E. Dolbak
    B. Z. Ol’shanetskii
    S. A. Tiis
    R. A. Zhachuk
    Physics of the Solid State, 1999, 41 : 1364 - 1368
  • [14] Short-range interactions in Na coadsorption with CO and O on Ni(111)
    Politano, Antonio
    Agostino, Raffaele G.
    Formoso, Vincenzo
    Chiarello, Gennaro
    CHEMPHYSCHEM, 2008, 9 (08) : 1189 - 1194
  • [15] A VIBRATIONAL SPECTROSCOPIC INVESTIGATION OF CO AND CS COADSORPTION ON PT(111)
    TUSHAUS, M
    GARDNER, P
    BRADSHAW, AM
    LANGMUIR, 1993, 9 (12) : 3491 - 3496
  • [16] CO/NA COADSORPTION ON CU(111) STUDIED BY HREELS
    SVENSSON, C
    SURFACE SCIENCE, 1995, 331 : 75 - 79
  • [17] Coadsorption of CO and O2 on Pd(111)
    Kuittinen, RL
    Laasonen, K
    CHEMICAL PHYSICS, 2005, 314 (1-3) : 19 - 24
  • [18] A HIGH-RESOLUTION VIBRATIONAL SPECTROSCOPIC STUDY OF CO/K COADSORPTION ON PT(111)
    TUSHAUS, M
    GARDNER, P
    BRADSHAW, AM
    SURFACE SCIENCE, 1993, 286 (03) : 212 - 232
  • [19] Coadsorption of CO and NO on the Cu2O(111) surface: A periodic density functional theory study
    Sun, Bao-Zhen
    Chen, Wen-Kai
    Xu, Yi-Jun
    JOURNAL OF CHEMICAL PHYSICS, 2009, 131 (17):
  • [20] HREEL study of the coadsorption of sodium and oxygen on Ni(111)
    Chiarello, G
    Lucozzi, P
    Cupolillo, A
    Caputi, LS
    Papagno, L
    Colavita, E
    SURFACE REVIEW AND LETTERS, 1998, 5 (05) : 1029 - 1033
12345