Adsorption and surface mobility of cinchonidine on Pt(111) studied by STM

被引：34
作者：
von Arx, M [1 ]
Wahl, M
Jung, TA
Baiker, A
机构：
[1] ETH Honggerberg, Dept Chem & Angew Biowissensch, CH-8093 Zurich, Switzerland
[2] Univ Basel, Inst Phys, CH-4056 Basel, Switzerland
[3] PSI, Labor Mikro & Nanotechnol, CH-5232 Villigen, Switzerland
来源：
PHYSICAL CHEMISTRY CHEMICAL PHYSICS | 2005年 / 7卷 / 02期
关键词：
D O I：
10.1039/b406668e
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 adsorption of cinchonidine (CD) on Pt(111) has been investigated by means of STM in the presence and absence of hydrogen. The time-resolved studies revealed that the mobility of adsorbed CD molecules depends on the hydrogen pressure. At low hydrogen pressure the CD molecules are rather immobile, whereas considerable mobility is observed at higher hydrogen pressure. Based on the different adsorption geometries and the surface mobility three different species could be distinguished and their dynamic behaviour was investigated on a single molecule level.
引用
收藏
页码：273 / 277
页数：5
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