Potassium adsorption and reaction with water on MgO(100)

被引：17
作者：
Huang, HH
Jiang, X
Zou, Z
Chin, WS
Xu, GQ
Dai, WL
Fan, KN
Deng, JF
机构：
[1] Natl Univ Singapore, Dept Chem, Singapore 119260, Singapore
[2] Fudan Univ, Dept Chem, Shanghai 200433, Peoples R China
来源：
SURFACE SCIENCE | 1998年 / 412-13卷
关键词：
insulating surfaces; low index single crystal surfaces; magnesium oxides; metallic films; potassium; thermal desorption spectroscopy; water; x-ray photoelectron spectroscopy;
D O I：
10.1016/S0039-6028(98)00488-9
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The growth of potassium him on MgO(100) and its effect on coadsorption of D2O have been investigated by core-level photoemission studies. XPS results indicate that K-atoms initially bind with surface oxygen of MgO(100), growing from 2D at theta(K) < 1 ML to 3D clusters with additional K-deposition. Coadsorbed D2O reacts actively with both K-adatoms and surface Mg2+ at 295 K, forming hydroxyl groups with O 1s BE in the range 530-533 eV. (C) 1998 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：555 / 561
页数：7
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