Hydrothermal synthesis of monodisperse α-Fe2O3 nanocubes

被引：5
|
作者：
Liu, J. [1 ]
Wang, J. [1 ]
Li, Y. [1 ]
Jia, P. [1 ]
Lu, F. [2 ]
Chen, K. [3 ]
机构：
[1] Shandong Jianzhu Univ, Sch Municipal & Environm Engn, Jinan 250101, Shandong, Peoples R China
[2] Inst Chem Engn, Jinan 250100, Shandong, Peoples R China
[3] Shandong Hongrun Tiancheng Construct Consulting C, Jinan 250100, Shandong, Peoples R China
来源：
MATERIALS RESEARCH INNOVATIONS | 2015年 / 19卷
关键词：
alpha-Fe2O3; Nanocubes; Hydrothermal synthesis; alpha-FeOOH; Nanoparticles; MECHANISM; FE2O3;
D O I：
10.1179/1432891714Z.0000000001112
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Monodisperse alpha-Fe2O3 nanocubes with a mean size of 70 nm have been successfully synthesised by a hydrothermal process using Fe(NO3)(3) and NaOH as raw materials. The morphology and nanostructure of products were characterised by X-ray diffraction, transmission electron microscopy and field-emission scanning electron microscopy. The results revealed that reaction temperature had a remarkable effect on the morphology of the alpha-Fe2O3 nanoparticles. Furthermore, alpha-FeOOH was generated as the intermediate during the hydrothermal dehydration reaction and the nanocrystals experienced a complex time-dependent evolution. For the hydrothermal synthesis of alpha-Fe2O3 nanocubes, the optimum temperature and reaction time were 180 degrees C and 6 hours, respectively. In addition, the products obtained rapid purification via a heat treatment at 600 degrees C for 1 hour.
引用
收藏
页码：371 / 375
页数：5
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