Citation: Zhi-ming Zhang, Yue Wang, Qiong Li, Liang-min Yu, Jadranka Travas-Sejdic, Li-juan Zhang. BOWL-SHAPED POLY(3,4-ETHYLENEDIOXYTHIOPHENE)/-Fe2O3 COMPOSITES WITH ELECROMAGNETIC FUNCTION[J]. Chinese Journal of Polymer Science, ;2013, 31(3): 503-513. doi: 10.1007/s10118-013-1239-2 shu

BOWL-SHAPED POLY(3,4-ETHYLENEDIOXYTHIOPHENE)/-Fe2O3 COMPOSITES WITH ELECROMAGNETIC FUNCTION

Received Date: 18 June 2012
Revised Date: 2 August 2012

Fund Project: This work was financially supported by the National Natural Science Foundation of China (No. 50973098), National Science and Technology Support Program (No. 2012BAB15B02), and the New Zealand Foundation for Science and Technology (contract No. UOAX0806).

In this paper, electromagnetic poly(3,4-ethylenedioxythiophene)/-Fe2O3 (PEDOT/-Fe2O3) micro-bowls, 1-2 mm in diameter, were prepared by a simple environment-friendly process. In this method, the aqueous solution of cetyltrimethylammonium bromide (CTAB) instead of any organic solvent was used. FeCl3 acted as a source of FeIII for the formation of -Fe2O3 and as an oxidant for the polymerization of 3,4-ethylenedioxythiophene (EDOT). The bowl-shaped morphology of PEDOT/-Fe2O3 composites was strongly influenced by the concentration of CTAB, FeCl2, ammonia solution and the reaction temperature. The saturation magnetization of PEDOT/-Fe2O3 micro-bowls increased with the increase of FeCl2 concentration and reached 6.20 Am2/kg at the FeCl2 concentration of 0.30 mol/L. The conductivity of the PEDOT/-Fe2O3 composites was in the range of 101 S/cm. The electrical and magnetic sources of PEDOT/-Fe2O3 micro-bowls were confirmed by SEM-EDX, TEM, XRD and XPS spectra. And the possible formation mechanism of PEDOT//-Fe2O3 was proposed.
- Bowl-shape
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