Crystal plane effect of Fe2O3 with various morphologies on CO catalytic oxidation

被引：110
|
作者：
Liu, Xijun [1 ]
Liu, Junfeng [1 ]
Chang, Zheng [1 ]
Sun, Xiaoming [1 ]
Li, Yadong [2 ]
机构：
[1] Beijing Univ Chem Technol, State Key Lab Chem Resource Engn, Beijing 100029, Peoples R China
[2] Tsinghua Univ, Dept Chem, Beijing 100084, Peoples R China
来源：
CATALYSIS COMMUNICATIONS | 2011年 / 12卷 / 06期
基金：
北京市自然科学基金;
关键词：
Hematite; Crystal planes; Catalysis; CO oxidation; IRON-OXIDE; NANOPARTICLES; NANOCRYSTAL; COMBUSTION;
D O I：
10.1016/j.catcom.2010.11.016
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：
Hematite (alpha-Fe2O3) nanocrystals with various morphologies (nanocubes and nanorods with different particle sizes) were synthesized by a facile hydrothermal process. The crystal plane effects of different Fe2O3 nanomaterials on the catalytic activity of CO oxidation were investigated. Besides the BET area of catalyst, the predominantly exposed planes have a significant influence on the catalytic activity for CO oxidation. Fe2O3 nanorods with more reactive crystal planes {110}, which have relative higher density of Fe atoms, showed a higher activity than the other samples. (C) 2010 Elsevier B.V. All rights reserved.
引用
收藏
页码：530 / 534
页数：5
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