Vibrational spectroscopy study of H2O on Pd/MgO(100) films

被引：4

作者：

Xu, F

Guo, QL

Moller, PJ

机构：

[1] Univ Copenhagen, Dept Chem, DK-2100 Copenhagen, Denmark

[2] Fudan Univ, Surface Phys Lab, Natl Key Lab, Shanghai 200433, Peoples R China

[3] Chinese Acad Sci, Inst Phys, State Key Lab Surface Phys, Beijing 100080, Peoples R China

来源：

JOURNAL OF PHYSICAL CHEMISTRY B | 2005年 / 109卷 / 19期

关键词：

D O I：

10.1021/jp046340e

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：

A study of water on Pd/MgO(100) films prepared in situ upon Mo(100) single crystals has been performed by using low-energy electron diffraction, high-resolution electron energy-loss spectroscopy, and ultraviolet photoelectron spectroscopy in an ultrahigh vacuum system. The results show that the adsorption of water on MgO(100) film surfaces is enhanced significantly owing to the presence of Pd particles. The formation of a hydroxyl group suggests a dissociation of the water. The size and density of Pd particles on the substrate of MgO(100) films play an important part in the adsorption of water.

引用

页码：9517 / 9521

页数：5

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