Synthesis and Characterization of Electromagnetic Functionalized Polyoyrrole/γ-Fe2O3 Nanospheres by Chemical One-step Method

doi:10.3969/j.issn.0251-0790.2012.09.040

Abstract

Abstract:

A "Chemical one-step method" (COSM) was used to prepare the electromagnetic functionalized polypyrrole/γ-Fe₂O₃(PPy/γ-Fe₂O₃) nanospheres without any dopant. In this method, FeCl₃ acted as an oxidant for the polymerization of pyrrole and as a source of γ-Fe₂O₃, which also required the initial presence of Fe(Ⅱ), provided by the addition of FeCl₂. In this paper, the amount of FeCl₂ had little effect on the morphology; however, the conductive and magnetic properties of PPy/γ-Fe₂O₃ nanospheres were greatly affected by the amount of FeCl₂. The conductive and magnetic properties of PPy/γ-Fe₂O₃ nanospheres increased and reached maximum values simultaneously with increasing amounts of FeCl₂. The resulting electromagnetic PPy/γ-Fe₂O₃ nanospheres show maximum conductivity of 72.1 S/cm and saturation magnetization of 10.07 A·m²/kg.

Key words: Chemical one-step method, Electromagnetic function, Polyoyrrole/γ-Fe₂O₃, Micro/nanostructure

CLC Number:

O631

TrendMD:

ZHANG Zhi-Ming, LI Qiong, WANG Yue, CUI Zhi-Jie, YU Liang-Min. Synthesis and Characterization of Electromagnetic Functionalized Polyoyrrole/γ-Fe₂O₃ Nanospheres by Chemical One-step Method[J]. Chem. J. Chinese Universities, 2012, 33(09): 2106.

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Synthesis and Characterization of Electromagnetic Functionalized Polyoyrrole/γ-Fe₂O₃ Nanospheres by Chemical One-step Method

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