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Synthesis and characterization of nanocomposites Fe3O4–SiO2–chitosan based on lbl technology

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Abstract

In this paper, the apparent chain-like core-shell structure Fe3O4–SiO2–chitosan nanoparticles was synthesized by two-step method with cross-linking action of glutaraldehyde based on layer-by-layer technology, the composite particles were characterized by IR, XRD, TEM, SEM, EDS and VSM analytical methods, and the synthesis conditions of the product were studied. The results indicated that the diameter of the composite particles is about 106.5 nm, the parietal layer of chitosan is 20 nm, and after crosslinking action of glutaraldehyde, chitosan uniformaly coated the outer surface of Fe3O4–SiO2.

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Authors and Affiliations

  1. School of Chemical and Environmental Engineering, Shanghai Institute of Technology, Shanghai, 201418, China

    Hailan Xu & Yuxiang Yang

  2. School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai, 200237, China

    Haowei Shi & Yuxiang Yang

  3. Analysis Test Center, Yangzhou University, Yangzhou, 225009, China

    Xiangnong Liu

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  1. Hailan Xu
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  2. Haowei Shi
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  3. Yuxiang Yang
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  4. Xiangnong Liu
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Correspondence to Yuxiang Yang.

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Xu, H., Shi, H., Yang, Y. et al. Synthesis and characterization of nanocomposites Fe3O4–SiO2–chitosan based on lbl technology. Glass Phys Chem 42, 312–321 (2016). https://doi.org/10.1134/S1087659616030056

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