Iron-oxide-modified nanosized diamond: Preparation, characterization, and catalytic properties in methanol decomposition

被引：10
|
作者：
Tsoncheva, Tanya [1 ]
Ivanova, Ljubomira
Paneva, Daniela
Dimitrov, Momtchil
Mitov, Ivan
Stavrev, Stavry
Minchev, Christo
机构：
[1] BAS, Inst Organ Chem, Sofia 1113, Bulgaria
[2] BAS, Inst Catalysis, Sofia 1113, Bulgaria
[3] BAS, Inst Space Sci, Sofia 1000, Bulgaria
来源：
JOURNAL OF COLLOID AND INTERFACE SCIENCE | 2006年 / 302卷 / 02期
基金：
美国国家科学基金会;
关键词：
iron-oxide-modified nanosize diamond; Mossbauer spectroscopy; TPR study; methanol decomposition;
D O I：
10.1016/j.jcis.2006.06.041
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：
Nanosized diamond (UDD), obtained by a detonation procedure, was modified with iron from the corresponding acetylacetonate precursor under various pretreatment conditions. Nitrogen physisorption, X-ray diffraction, temperature-programmed reduction, and FTIR and Mossbauer spectroscopy were used for their characterization. The samples' catalytic behavior in methanol decomposition was also studied. The physicochemical and catalytic properties of the obtained materials (Fe/UDD) were compared with those of other iron-oxide-modified mesoporous supports with different nature and functionality (MCM-48 silica and CMK-1 carbon). The highest catalytic activity and stability was achieved with air-pretreated Fe/UDD. (c) 2006 Elsevier Inc. All rights reserved.
引用
收藏
页码：492 / 500
页数：9
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