Journal
INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
Volume 52, Issue 24, Pages 8230-8235Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ie400334c
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Funding
- National Natural Science Foundation of China [21174114]
- Program for Changjiang Scholars and Innovative Research Team in University of Ministry of Education of China [IRT1177]
- Scientific and Technical Plan Project of Gansu Province [1204GKCA006]
- Natural Science Foundation of Gansu Province [1010RJZA024]
- Scientific and Technical Innovation Project of Northwest Normal University [nwnu-kjcxgc-03-63]
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A novel one-step solvothermal method was developed and polystyrene (PS)-cobalt ferrite (CoFe2O4) composite nanomaterial (PS-CoFe2O4) was successfully synthesized by this method using ferric chloride hexahydrate (FeCl3 center dot 6H(2)O), cobalt chloride hexahydrate (CoCl2 center dot 6H(2)O), and the monomer styrene as the precursors. Fourier transform infrared (FT-IR) spectroscopy, X-ray diffraction (XRD), and transmission electron microscopy (TEM) demonstrated the successful preparation of the PS-CoFe2O4 composite material, with the two phases of polystyrene and CoFe2O4 being hybridized at the nanoscale and some strong interaction existing between them. The results of thermogravimetric analysis (TGA) indicated that the inorganic component could improve the thermal stability of the polymer PS. Importantly, the magnetic properties of the as-prepared PS-CoFe2O4 samples were found to be superior to those of pure CoFe2O4, prepared under the same conditions (180 degrees C for 12 h). The improved magnetic properties can mainly be attributed to the hybrid structure, the high degree of crystallinity, and the size of CoFe2O4 in the composite material.
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