Preparation and characterization of α-FeOOH and α-Fe2O3 by sol-gel method

被引：12
|
作者：
Dar, MA
Kulkarni, SK
Ansari, ZA
Ansari, SG
Shin, HS [1 ]
机构：
[1] Chonbuk Natl Univ, Sch Chem Engn, Thin Film Technol Lab, Chonju 561576, South Korea
[2] Univ Poona, Dept Phys, Pune 411007, Maharashtra, India
[3] Japan Adv Inst Sci & Technol, Sch Mat Sci, Tatsunokuchi, Ishikawa 9231292, Japan
来源：
JOURNAL OF MATERIALS SCIENCE | 2005年 / 40卷 / 11期
基金：
日本学术振兴会;
关键词：
D O I：
10.1007/s10853-005-2393-x
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The production of α-FeOOH and α-Fe2O3 particles in the nanometric form with large surface area using sol-gel method was studied. Particle size measurement from XRD patterns reveals that the particle size decreases with increase in pH. It was shown that with increasing pH, the shape of the particles change randomly from spherical to elongated grains. It was found that the concentration of Fe(No3)3, pH of the reaction, aging period, and NaH2PO4 solution play an important role in the morphology of the precipitated particles.
引用
收藏
页码：3031 / 3034
页数：4
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