期刊
CHEMOSPHERE
卷 239, 期 -, 页码 -出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.chemosphere.2019.124833
关键词
Electrospinning; Hierarchical porous; Carbon nanofibers; Adsorption; Catalysis
资金
- Shanghai Municipal Natural Science Foundation [17ZR1432200]
- Fundamental Research Funds for the Central Universities [0400219376]
- Tongji University
- China Postdoctoral Science Foundation [0500229046]
A facile and effective method has been developed to prepare hierarchical porous carbon nanofibers (PCNFs), carbon nanofibers supported nickel nanoparticles (PCNFs-Ni) and carbon nanofibers encapsulating gold nanoparticles (PCNFs-Au). PCNFs or PCNFs-Au were obtained by embedding metal-organic frameworks (e.g. ZIF-8 or ZIF-8-Au) into polyacrylonitrile via electrospinning and subsequent carbonization. In addition, PCNFs-Ni were obtained by impregnating PAN/ZIF-8 nanofibers in Ni(NO3)(2)center dot 6H(2)O followed by carbonization. Both PCNF and PCNF-Ni exhibited excellent adsorption activities for methylene blue (MB) and congo red (CR). Especially, PCNF-Ni could be removed and separated via a magnet. PCNFs-Au showed excellent catalytic properties in the reduction reaction of 4-nitrophenol (4-NP). (C) 2019 Elsevier Ltd. All rights reserved.
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