Synthesis and Characterization of Nano-γ-Fe2O3 by Sol-Gel Method

被引：0

作者：

Huang, Jian ^{[1
]}

Gong, Zhuqing ^{[2
]}

Yang, Xiyun ^{[2
]}

机构：

[1] Cent S Univ, Coll Chem & Chem Engn, Changsha 410083, Peoples R China

[2] Cent S Univ, Coll Met Sci & Engn, Changsha 410083, Peoples R China

来源：

ADVANCED SCIENCE LETTERS | 2011年 / 4卷 / 11-12期

基金：

中国国家自然科学基金;

关键词：

Nano-gamma-Fe2O3; Sol-Gel; Ferric Citrate; Magnetic Material; DUAL-COLOR HYBRIDIZATION; IRON-OXIDE NANOPARTICLES; SINGLE-BASE EXTENSION; MAGNETIC NANOPARTICLES; GAMMA-FE2O3; NANOPARTICLES; IMMUNOLOGICAL METHOD; ARRAY; FABRICATION; SURFACE; ROUTE;

D O I：

10.1166/asl.2011.1864

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

The synthesis and characterization of nano-gamma-Fe2O3 was described by sol-gel method. The optimal conditions for the formation of iron citric acid sol-gel were that the concentration of ferrite citrate was 0.8 mol/L, the pH was 7 and the reaction temperature was 40 degrees C. DTA, XRD, FT-IR, and TEM analysis were employed to characterize the properties of the as-prepared gamma-Fe2O3. TG-DTA, XRD and FT-IR characterization indicate that the appropriate temperature for the formation of gamma-Fe2O3 by Sol-gel method is 450 degrees C and the particle size of gamma-Fe2O3 formed is about 32 nm by the Scherrer formula and TEM under the optimal conditions.

引用

页码：3662 / 3665

页数：4

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