Effect of ferric ions on the morphology and size of magnetite nanocrystals synthesized by ultrasonic irradiation

被引：17

作者：

Cheng, J. P. ^{[1
]}

Ma, R. ^{[1
]}

Chen, X. ^{[1
]}

Shi, D. ^{[1
]}

Liu, F. ^{[1
]}

Zhang, X. B. ^{[1
]}

机构：

[1] Zhejiang Univ, Dept Mat Sci & Engn, State Key Lab Silicon Mat, Hangzhou 310027, Zhejiang, Peoples R China

来源：

CRYSTAL RESEARCH AND TECHNOLOGY | 2011年 / 46卷 / 07期

关键词：

magnetite; nanoplate; nanoparticle; magnetic property; IRON-OXIDE NANOPARTICLES; SOLVOTHERMAL SYNTHESIS; HYDROTHERMAL SYNTHESIS; ZNO NANOSTRUCTURES; LARGE-SCALE; FE3O4; FABRICATION; PARTICLES; GROWTH;

D O I：

10.1002/crat.201100144

中图分类号：

O7 [晶体学];

学科分类号：

0702 ; 070205 ; 0703 ; 080501 ;

摘要：

Two-dimensional plate-like Fe3O4 nanocrystals and nanoparticles could be synthesized by a simple one-step sonochemical method through ultrasonic irradiation in reverse co-precipitation solution at low temperature. This technique provided a facile and rapid way to prepare Fe3O4 nanocrystals with different morphology and size. Magnetite nanoplates were synthesized with only ferrous salt adding into alkali solution, and adding ferric ions with low molar ratio in the metal salts solution would lead to the formation of very small magnetite nanoparticles (similar to 10 nm). The size of as-prepared magnetite nanopartieles increased with increasing reaction temperature and showed narrow size distribution, the standard deviation less than 2 nm. This investigation indicated that ferric ions had significant influence on the morphology of Fe3O4 nanocrystals. (C) 2011 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim

引用

页码：723 / 730

页数：8

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