Glass Physics and Chemistry

, Volume 42, Issue 3, pp 312–321 | Cite as

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

  • Hailan Xu
  • Haowei Shi
  • Yuxiang Yang
  • Xiangnong Liu
Article
  • 36 Downloads

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.

Keywords

synthesis characterization Fe3O4–SiO2–chitosan layer-by-layer technology 

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Copyright information

© Pleiades Publishing, Ltd. 2016

Authors and Affiliations

  • Hailan Xu
    • 1
  • Haowei Shi
    • 2
  • Yuxiang Yang
    • 1
    • 2
  • Xiangnong Liu
    • 3
  1. 1.School of Chemical and Environmental EngineeringShanghai Institute of TechnologyShanghaiChina
  2. 2.School of Chemistry and Molecular EngineeringEast China University of Science and TechnologyShanghaiChina
  3. 3.Analysis Test CenterYangzhou UniversityYangzhouChina

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