Synthesis and characterization of novel magnetic Fe3O4/polyphosphazene nanofibers

被引:18
作者
Zhang, Xiaoyan [1 ]
Dai, Qiaoyu [1 ]
Huang, Xiaobin [1 ]
Tang, Xiaozhen [1 ,2 ]
机构
[1] Shanghai Jiao Tong Univ, Sch Chem & Chem Engn, Shanghai 200240, Peoples R China
[2] Shanghai Jiao Tong Univ, Natl Key Lab Met Matrix Composite Mat, Shanghai 200240, Peoples R China
关键词
Magnetic particles; Polymer nanofibers; Superparamagnetic; Ultrasonic irradiation; Polyphosphazene; POLYMER NANOFIBERS; CYCLOTRIPHOSPHAZENE PLATFORM; COMPLEXES; ORIENTATION; FABRICATION; NANOWIRES; FIBERS; NICKEL; CHARGE;
D O I
10.1016/j.solidstatesciences.2009.08.003
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
Novel magnetic Fe3O4/polyphosphazene nanofibers were successfully prepared via a facile approach by ultrasonic irradiation. The structure and morphology were characterized by SEM, TEM, EDX, IR and XRD. The characterization results show that the magnetic Fe3O4/polyphosphazene nanofibers are several microns in length and 50-100 nm in diameter with Fe3O4 nanoparticles of 5-10 nm attached on the surface. The interaction between Fe3O4 nanoparticles and polyphosphazene nanofibers was thought as coordination behavior. TG curves show that the magnetic Fe3O4/polyphosphazene nanofibers have good thermostability and high magnetism content of about 44%. Magnetic studies show that the magnetic nanofibers exhibit good superparamagnetic properties with high magnetization saturation value of about 36 emu/g. (C) 2009 Elsevier Masson SAS. All rights reserved.
引用
收藏
页码:1861 / 1865
页数:5
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