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Synthesis of polyaniline-Fe3O4 nanocomposites and their conductivity and magnetic properties

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Abstract

By using inorganic Fe3O4 nanoparticles of different content as nucleation sites, PAn-Fe3O4 nanorods were successfully synthesized through a simple, conventional, and inexpensive one-step in-situ polymerization method. The TEM images revealed the size and morphology of the resultant nanocomposite. The EDS pattern confirmed the existence of Fe3O4 in the composite. The FT-IR spectral analysis confirmed the formation of PAn encapsulated Fe3O4 nanocomposite. With the content of Fe3O4 increasing, the conductivity of the nanocomposites gradually decreases, meanwhile, the saturation magnetization increases and reveals a super paramagnetic behavior. With controllable electrical, magnetic, and electromagnetic properties, the well-prepared nanocomposites may have the potential applications in chemical sensors, catalysis, microwave absorbing, and electro-magneto-rheological fluids, etc.

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Authors and Affiliations

  1. Key Laboratory of Artificial Micro- and Nano-structures of Ministry of Education and School of Physics and Technology, Wuhan University, Wuhan, 430072, China

    Chunjiang Leng  (冷春江), Jianhong Wei, Zhengyou Liu, **g Shi & Chunxu Pan

Authors
  1. Chunjiang Leng  (冷春江)
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  2. Jianhong Wei
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  3. Zhengyou Liu
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  4. **g Shi
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  5. Chunxu Pan
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Corresponding author

Correspondence to Chunjiang Leng  (冷春江).

Additional information

Funded by National Natural Science Foundation of China(No.10974148), Sub-project of State Key Development Program of Basic Research of China(Nos. 2009CB939704 and 2009CB939705

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Leng, C., Wei, J., Liu, Z. et al. Synthesis of polyaniline-Fe3O4 nanocomposites and their conductivity and magnetic properties. J. Wuhan Univ. Technol.-Mat. Sci. Edit. 25, 760–764 (2010). https://doi.org/10.1007/s11595-010-0087-y

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  • DOI: https://doi.org/10.1007/s11595-010-0087-y

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