Synthesis of α-Fe2O3 nanocubes

被引：13
|
作者：
Patil, Prajakta R. [1 ]
Joshi, Satyawati S. [1 ]
机构：
[1] Univ Poona, Dept Chem, Pune 411007, Maharashtra, India
来源：
SYNTHESIS AND REACTIVITY IN INORGANIC METAL-ORGANIC AND NANO-METAL CHEMISTRY | 2007年 / 37卷 / 06期
关键词：
oxides; nanostructures; X-ray diffraction; microstructures;
D O I：
10.1080/15533170701465960
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Nanocubes of alpha-Fe2O3 were successfully synthesized by aqueous polymer thermolysis method in air. The synthesis of hematite nanoparticles has been carried out using a habit modifier polyvinyl alcohol of different molecular weights. The influence of annealing temperature from 300 to 500 C on structural and thermal properties of alpha-Fe2O3 nanoparticles was investigated systematically using X-ray diffraction and thermogravimetric analysis. The smallest grain size of 12 nm after calcinations was found in presence of PVA of 1,25,000 molecular weight. The binding and microstructural features of polycrystalline samples of iron oxide were studied by FTIR, SEM and TEM. Infrared spectra reveal the formation of alpha-Fe2O3 and the removal of organic matter at higher temperatures.
引用
收藏
页码：425 / 429
页数：5
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