Breaking the dispersion-reducibility dependence in oxide-supported cobalt nanoparticles

被引：92

作者：

Martinez, Agustin ^{[1
]}

Prieto, Gonzalo ^{[1
]}

机构：

[1] Univ Politecn Valencia, CSIC, Inst Tecnol Quim, Valencia 46022, Spain

来源：

JOURNAL OF CATALYSIS | 2007年 / 245卷 / 02期

关键词：

cobalt catalyst; delaminated zeolite; ITQ-2; Fischer-Tropsch; reducibility;

D O I：

10.1016/j.jcat.2006.11.002

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：

Cobalt metal nanoparticles ca. 4-5 nm in size synthesized in the core of reverse n-ficelles and supported on surface-protected delaminated ITQ-2 zeolite display a very narrow particle size distribution and a high reducibility typical of larger particles. The methodological preparation approach presented here allows breaking of the dispersion-reducibility dependence inherent to very small cobalt particles supported on oxidic carriers, thereby overcoming long-lasting difficulties in studying particle size effects in highly dispersed cobalt-based Fischer-Tropsch catalysts. (c) 2006 Elsevier Inc. All rights reserved.

引用

页码：470 / 476

页数：7

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