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[JCIS] Fabrication of one-dimensional Fe3O4/P(GMA–DVB) nanochains by magnetic-field-induced precipitation polymerization
作者:Mingliang Ma , Qiuyu Zhang, , Jinbo Dou, Hepeng Zhang, Dezhong Yin, Wangchang Geng, Yanyang Zhou
关键字:One-dimensional nanochains; Self-assembly; Precipitation polymerization; Fe3O4/P(GMA–DVB)
论文来源:期刊
具体来源:Journal of Colloid and Interface Science
发表时间:2012年

One-dimensional (1D) magnetic Fe3O4/P(GMA–DVB) peapod-like nanochains have been successfully synthesized by magnetic-field-induced precipitation polymerization using Fe3O4 as building blocks and P(GMA–DVB) as linker. The Fe3O4 microspheres without surface modification can be arranged with the direction of the external magnetic field in a line via the dipolar interaction between Fe3O4 microspheres and linked permanently via P(GMA–DVB) coating during precipitation polymerization. The length of peapod-like nanochains can be controlled by magnetic field intensity, and the thickness of polymer shell can be tuned by the amount of monomers. Magnetic measurement revealed that these 1D peapod-like nanochains showed highly magnetic sensitivity. In the presence of magnetic field, 1D magnetic Fe3O4/P(GMA–DVB) peapod-like nanochains can be oriented and aligned along the direction of external magnetic field.

http://www.sciencedirect.com/science/article/pii/S002197971200149X