A study on the formation of palladium hydride in a carbon-supported palladium catalyst

被引：147
|
作者：
Nag, NK [1 ]
机构：
[1] Engelhard Corp, Chem Catalyst Grp, Beachwood, OH 44122 USA
来源：
JOURNAL OF PHYSICAL CHEMISTRY B | 2001年 / 105卷 / 25期
关键词：
D O I：
10.1021/jp004535q
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 formation and stability of palladium hydride in a well-characterized Pd-on-carbon catalyst have been investigated by using temperature-programmed reduction (TPR), selective carbon monoxide (CO) chemi sorption, and X-ray diffraction (XRD). Under experimental conditions that completely eliminated the possible formation of a Pd carbide phase (PdC) it has been found that the stability of the hydride phase and the H:Pd ratio therein decrease as a function of the percent Pd exposed.
引用
收藏
页码：5945 / 5949
页数：5
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