Magnetic SiO2/Fe3O4 colloidal crystals

被引：20

作者：

Huang, Chih-Kai ^{[1
]}

Hou, Chia-Hung ^{[2
]}

Chen, Chii-Chang ^{[2
]}

Tsai, Yen-Ling ^{[3
]}

Chang, Li-Ming ^{[2
]}

Wei, Hung-Sen ^{[3
]}

Hsieh, Kuo-Huang ^{[1
]}

Chan, Chia-Hua ^{[2
]}

机构：

[1] Natl Taiwan Univ, Inst Polymer Sci & Engn, Taipei, Taiwan

[2] Natl Cent Univ, Dept Opt & Photon, Tao Yuan, Taiwan

[3] Vanung Univ, Dept Polymer Mat, Tao Yuan, Taiwan

来源：

NANOTECHNOLOGY | 2008年 / 19卷 / 05期

关键词：

D O I：

10.1088/0957-4484/19/05/055701

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

We proposed a novel technique to fabricate colloidal crystals by using monodisperse SiO2 coated magnetic Fe3O4(SiO2/Fe3O4) microspheres. The magnetic SiO2/Fe3O4 microspheres with a diameter of 700 nm were synthesized in the basic condition with ferric sulfate, ferrous sulfate, tartaric acid and tetraethyl orthosilicate (TEOS) in the reaction system. Monodisperse SiO2/Fe3O4 superparamagnetic microspheres have been successfully used to fabricate colloidal crystals under the existing magnetic field.

引用

页数：5

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