Vanadium Oxo Organometallic Species Supported on Silica for the Selective Non-oxidative Dehydrogenation of Propane

被引：41

作者：

Szeto, Kai C. ^{[1
]}

Loges, Bjoern ^{[1
]}

Merle, Nicolas ^{[1
]}

Popoff, Nicolas ^{[1
]}

Quadrelli, Elsje Alessandra ^{[1
]}

Jia, Hongpeng ^{[1
]}

Berrier, Elise ^{[2
]}

De Mallmann, Aimery ^{[1
]}

Deleyoye, Laurent ^{[2
]}

Gauvin, Regis M. ^{[2
]}

Taoufik, Mostafa ^{[1
]}

机构：

[1] Univ Lyon 1, CNRS, Inst Chim Lyon, CPE Lyon,UMR 5265,C2P2,LCOMS, F-69616 Villeurbanne, France

[2] Univ Lille Nord France, CNRS, UMR8181, Unite Catalyse & Chim Solide,UCCS USTL, F-59655 Villeneuve, France

来源：

ORGANOMETALLICS | 2013年 / 32卷 / 21期

关键词：

X-RAY-ABSORPTION; SITU RAMAN-SPECTROSCOPY; OXIDATIVE DEHYDROGENATION; OXIDE CATALYSTS; SURFACE-STRUCTURE; GAMMA-ALUMINA; LASER RAMAN; SIGMA-BOND; COMPLEXES; OXOVANADIUM(V);

D O I：

10.1021/om400795s

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The molecular complex [V(= O)(Mes)3] (1) reacts with silica partially dehydroxylated at 700 degrees C (SiO2.700) to afford [(= SiO)V(= 0)(Mes)2] (2) as the major surface species, while a bis-grafted surface species [(= SiO)(2)V(= 0)(Mes)] (3) is obtained on SiO2-200. These surface species were characterized by DRIFT, Raman, H-1, C-13, and siV solid-state NMR, and XAFS spectroscopy and show an activity in the non-oxidative dehydrogenation of propane at 500 degrees C. The bipodal surface organometallic complex displays a higher selectivity in propylene in comparison to the monopodal species.

引用

页码：6452 / 6460

页数：9

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