Fabrication of one-dimensional Fe3O4/P(GMA-DVB) nanochains by magnetic-field-induced precipitation polymerization

Mingliang Ma; Qiuyu Zhang; Jinbo Dou; Hepeng Zhang; Dezhong Yin; Wangchang Geng; Yanyang Zhou

doi:10.1016/j.jcis.2012.02.015

Fabrication of one-dimensional Fe3O4/P(GMA-DVB) nanochains by magnetic-field-induced precipitation polymerization

J Colloid Interface Sci. 2012 May 15;374(1):339-44. doi: 10.1016/j.jcis.2012.02.015. Epub 2012 Feb 17.

Authors

Mingliang Ma¹, Qiuyu Zhang, Jinbo Dou, Hepeng Zhang, Dezhong Yin, Wangchang Geng, Yanyang Zhou

Affiliation

¹ Key Laboratory of Applied Physics and Chemistry in Space of Ministry of Education, School of Science, Northwestern Polytechnical University, Xi'an 710129, China. mamingliang@mail.nwpu.edu.cn

PMID: 22386309
DOI: 10.1016/j.jcis.2012.02.015

Abstract

One-dimensional (1D) magnetic Fe(3)O(4)/P(GMA-DVB) peapod-like nanochains have been successfully synthesized by magnetic-field-induced precipitation polymerization using Fe(3)O(4) as building blocks and P(GMA-DVB) as linker. The Fe(3)O(4) microspheres without surface modification can be arranged with the direction of the external magnetic field in a line via the dipolar interaction between Fe(3)O(4) 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 Fe(3)O(4)/P(GMA-DVB) peapod-like nanochains can be oriented and aligned along the direction of external magnetic field.