One-step hydrothermal synthesis of carbon@Fe3O4 nanoparticles with high adsorption capacity

  • Tao Chen
  • Xueqiang Zhang
  • Jing Qian
  • Songjun Li
  • Xiaohua Jia
  • Hao-Jie Song


The magnetic carbon@Fe3O4 nanoparticles have been fabricated by a simple one-step hydrothermal method and applied as adsorbents for removal of organic dyes such as Congo red from aqueous solution. The prepared products were characterized by transmission electron microscopy, X-ray diffraction, Fourier transform infrared spectra, thermo-gravimetric analysis, nitrogen adsorption–desorption isotherms, UV–vis spectrum, and vibrating sample magnetometer. The adsorption performances of the products were tested with removal of Congo red from aqueous solution. The carbon@Fe3O4 nanoparticles possess high adsorption capacity and excellent magnetic separability by an external magnetic field, which is attributed to its high specific surface area providing more surface active sites.


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Copyright information

© Springer Science+Business Media New York 2014

Authors and Affiliations

  • Tao Chen
    • 1
  • Xueqiang Zhang
    • 1
  • Jing Qian
    • 1
  • Songjun Li
    • 1
  • Xiaohua Jia
    • 2
  • Hao-Jie Song
    • 1
  1. 1.School of Materials Science and EngineeringJiangsu UniversityZhenjiangPeople’s Republic of China
  2. 2.School of the Environment and Safety EngineeringJiangsu UniversityZhenjiangPeople’s Republic of China

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