Hydrothermal synthesis and characterization of α-Fe203 nanoparticles

被引：123
作者：
Wang, F. [1 ]
Qin, X. F. [1 ]
Meng, Y. F. [1 ]
Guo, Z. L. [1 ]
Yang, L. X. [1 ]
Ming, Y. F. [2 ]
机构：
[1] Ludong Univ, Sch Chem & Mat Sci, Yantai 264025, Peoples R China
[2] Ludong Univ, Sch Life Sci, Yantai 264025, Peoples R China
来源：
MATERIALS SCIENCE IN SEMICONDUCTOR PROCESSING | 2013年 / 16卷 / 03期
基金：
中国国家自然科学基金;
关键词：
alpha-Fe2O3; Nanoparticles; Hydrothermal synthesis; X-ray diffraction; THERMAL-DECOMPOSITION SYNTHESIS; SOL-GEL METHOD; MAGNETIC-PROPERTIES; FACILE SYNTHESIS; MICROSPHERES; FABRICATION; GAMMA-FE2O3; GROWTH;
D O I：
10.1016/j.mssp.2012.12.029
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Iron oxide (Fe2O3) nanoparticles were synthesized by a simple hydrothermal synthesis method using only Fe(NO3)3 center dot 9H(2)O and NH3 center dot H2O as raw materials. The effect of reaction temperature and time on the crystalline phase and morphology of Fe2O3 products was investigated. The products were characterized by X-ray diffraction (XRD), transmission electron microscopy (TEM), and Fourier transform infrared (FTIR) spectroscopy. The XRD and TEM results show that reaction temperature and time play an important role in the formation of the crystalline phase and morphology of the products. With increasing reaction temperature and time, the diffraction peaks of alpha-Fe2O3 become stronger and sharper, and the morphologies of the samples have an obvious change from floccules to nanoparticles. FTIR peaks show that alpha-Fe2O3 nanoparticles have about a 25 cm(-1) shift to higher frequency compared with those of alpha-Fe2O3 with other morphologies. (C) 2013 Elsevier Ltd. All rights reserved.
引用
收藏
页码：802 / 806
页数：5
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