writer：Mingliang Ma , Qiuyu Zhang, , Jinbo Dou, Hepeng Zhang, Dezhong Yin, Wangchang Geng, Yanyang Zhou
keywords：One-dimensional nanochains; Self-assembly; Precipitation polymerization; Fe3O4/P(GMA–DVB)
source：期刊
specific source：Journal of Colloid and Interface Science
Issue time：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