Metal-support interactions in supported platinum catalysts: Zeolites and amorphous supports

被引：0
|
作者：
Mojet, BL [1 ]
Kappers, MJ [1 ]
Miller, JT [1 ]
Koningsberger, DC [1 ]
机构：
[1] AMOCO OIL CO, AMOCO RES CTR, NAPERVILLE, IL 60566 USA
来源：
11TH INTERNATIONAL CONGRESS ON CATALYSIS - 40TH ANNIVERSARY, PTS A AND B | 1996年 / 101卷
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D O I：
暂无
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：
IR spectroscopy of adsorbed CO indicates that the electron density of supported platinum in Pt/LTL and pt/SiO2 catalysts increases with increasing level of alkali on the support. In addition, the neopentane hydrogenolysis TOF decreases with increasing support alkalinity. The Al-near edge structures of the LTL supports show an increased electron density on the aluminium with increasing alkalinity. Therefore, a metal-support interaction between the platinum and the support oxygen atoms is proposed to account for the changes in catalytic activity and electronic density of the metal particles.
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页码：1165 / 1174
页数：10
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