Synthesis of nanocrystalline LaFeO3 powders via glucose sol-gel route

被引：80

作者：

Liu, Ting ^{[1
]}

Xu, Yebin ^{[1
]}

机构：

[1] Huazhong Univ Sci & Technol, Inst Optoelect Sci & Engn, Wuhan Natl Lab Optoelect, Wuhan 430074, Hubei, Peoples R China

来源：

MATERIALS CHEMISTRY AND PHYSICS | 2011年 / 129卷 / 03期

关键词：

LaFeO3; Glucose; Sol-gel process; CATALYTIC-ACTIVITY; PEROVSKITES; OXIDES;

D O I：

10.1016/j.matchemphys.2011.05.054

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

LaFeO3 were prepared by sol-gel process using glucose as a complexing agent. Thermogravimetric (TG), differential thermal analysis (DTA), Fourier transform infrared spectroscopy (FT-IR), X-ray diffraction (XRD), Field emission scanning electron microscope (FSEM) and Transmission electron microscope (TEM) techniques were used to characterize precursor and derived oxide powders. The effect of the mol ratios of glucose to metal ions (glucose/M) on the formation of LaFeO3 was investigated. XRD analysis showed that single-phase and well-crystallized LaFeO3 was obtained from precursor with glucose/M = 3:5 and 3:10 at 500 degrees C. LaFeO3 nanoparticles with a diameter of about 30 nm were obtained. However, for precursor with glucose/M = 3:20, pure LaFeO3 was not obtained at temperature below 600 degrees C. (C) 2011 Elsevier B.V. All rights reserved.

引用

页码：1047 / 1050

页数：4

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