Dual nanoparticle/substrate control of catalytic dehydrogenation

被引：23

作者：

Borisevich, Albina Y. ^{[1
]}

Wang, Sanwu

Rashkeev, Sergey N.

Glazoff, Michael

Pennycook, Stephen J.

Pantelides, Sokrates T.

机构：

[1] Oak Ridge Natl Lab, Div Mat Sci & Technol, Oak Ridge, TN 37831 USA

[2] Univ Tulsa, Dept Phys & Engn Phys, Tulsa, OK 74104 USA

[3] Vanderbilt Univ, Dept Phys & Astron, Nashville, TN 37235 USA

[4] Alcoa Ctr, Alcoa Tech Ctr, Alcoa Ctr, PA 15069 USA

来源：

ADVANCED MATERIALS | 2007年 / 19卷 / 16期

关键词：

D O I：

10.1002/adma.200601618

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Chromia/alumina catalysts are widely used for oxidative dehydrogenation of alkanes, but questions about the relationship between their properties and characteristics remain. Experimental techniques and first-principles calculations are used to demonstrate that the reaction is enabled by CrOx clusters adsorbed on alumina surfaces, and that the key reaction sites are low-coordination-number 0 atoms (see figure).

引用

页码：2129 / +

页数：6

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