Rapid synthesis of perovskite-type LaFeO3 nanoparticles by microwave-assisted decomposition of bimetallic La[Fe(CN)6] • 5H2O compound

被引：86
|
作者：
Farhadi, Saeid [1 ]
Momeni, Zohreh [1 ]
Taherimehr, Masoumeh [1 ]
机构：
[1] Lorestan Univ, Dept Chem, Khorramabad 68135465, Iran
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 2009年 / 471卷 / 1-2期
关键词：
LaFeO3; Microwave-assisted synthesis; Bimetallic compound; La[Fe(CN)(6)] center dot 5H(2)O; Perovskite-type oxide; Nanoparticles; THERMAL-DECOMPOSITION; SURFACE-AREA; OXIDES; POWDERS; PROPERTY; ROUTE; GD; LA; LN;
D O I：
10.1016/j.jallcom.2008.03.113
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：
Nano-sized and pure single-phase perovskite-type LaFeO3 powders were synthesized within a very short reaction time of 4 min via the decomposition of bimetallic La[Fe(CN)(6)] center dot 5H(2)O compound using microwave irradiation (2.45 GHz, 900W) in the presence of SiC as an efficient chemically inert secondary heater to initiate the reaction. Product was characterized by XRD, FT-IR, SEM, TEM, BET surface area measurement and UV-vis spectroscopy. In comparison with the well-known thermal decomposition of La[Fe(CN)(6)] center dot 5H(2)O, the present method is rapid, clean and energy efficient and resulted in finer particles with higher specific surface areas. The preparation process can be also applied to synthesize other mixed oxides such as SmFeO3, NdFeO3 and GdFeO3. (C) 2008 Elsevier B.V. All rights reserved.
引用
收藏
页码：L5 / L8
页数：4
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