Electrospinning-derived [C/Fe3O4]@C coaxial nanocables with tuned magnetism, electrical conduction and highly efficient adsorption trifunctionality

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• 作者：Cuiping Han ; Qianli Ma ; Ying Yang ; Ming Yang…
• 刊名：Journal of Materials Science: Materials in Electronics
• 出版年：2015
• 出版时间：October 2015
• 年：2015
• 卷：26
• 期：10
• 页码：8054-8064
• 全文大小：1,506 KB
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• 作者单位：Cuiping Han (1)
  Qianli Ma (1)
  Ying Yang (1)
  Ming Yang (1)
  Wensheng Yu (1)
  Xiangting Dong (1)
  Jinxian Wang (1)
  Guixia Liu (1)
  
  1. Key Laboratory of Applied Chemistry and Nanotechnology at Universities of Jilin Province, Changchun University of Science and Technology, Changchun, 130022, China
  
• 刊物类别：Chemistry and Materials Science
• 刊物主题：Chemistry
  Optical and Electronic Materials
  Characterization and Evaluation Materials
  
• 出版者：Springer New York
• ISSN：1573-482X

文摘

[C/Fe₃O₄]@C coaxial nanocables with electricity-magnetism-adsorption trifunctionality have been successfully synthesized by carbonization of the electrospun [polyacrylonitrile (PAN)/ferric acetylacetonate (Fe(acac)₃)]@polyacrylonitrile (PAN) coaxial nanocables. SEM and TEM observations reveal that the products are coaxial nanocables in morphology. The core diameter is ca. 125 nm and the shell thickness is ca. 82 nm. Electrical and magnetic properties analyses show that the [C/Fe₃O₄]@C coaxial nanocables possess tunable electrical conductivity and magnetic performance. The N₂ adsorption–desorption measurements demonstrate the specific surface area and the pore size of the [C/Fe₃O₄]@C coaxial nanocables are 322.6 m2/g and 33.6 nm, respectively. [C/Fe₃O₄]@C coaxial nanocables exhibit efficient adsorption for Rhodamine B and Cu2+ ions aqueous solution with excellent magnetic separation performance. The isotherms and kinetics of adsorption process are determined and analyzed in detail. The excellent adsorption capacity can be attributed to the porous structures, which will make them to be promising adsorbents for water treatment. This work provides a new insight into the design and development of functional carbon-based nanomaterials.