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A facile method to fabricate Al4B2O9 whiskers on porous SiC substrates for gas–solid separation

Journal of Advanced Ceramics volume 4, pages 232–236 (2015)Cite this article

Abstract

Al4B2O9 whiskers on the surface of porous SiC substrates were fabricated by chemical reactions between Al(NO3)3 and H3BO3, which is a facile method to prepare cilia-like microstructure for gas–solid separation. Scanning electron microscopy (SEM), X-ray diffraction (XRD), and Fourier transform infrared (FTIR) spectroscopy were employed to investigate the structural morphology and phase compositions. Al4B2O9 whiskers with nanometer-sized diameters and micrometer-sized lengths grew on the surface of SiC substrates, and a self-catalytic mechanism was used to explain Al4B2O9 whisker growth.

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Affiliations

  1. Department of Chemical Engineering, College of Environment Science and Engineering, Key Laboratory of Subsurface Hydrology and Ecology in Arid Areas, Ministry of Education, Chang’an University, Xi’an, 710054, China

    Wei Wang, Boya Wang, Hanghui Zhu & Shunxi Deng

  2. College of Materials Science and Engineering, Chang’an University, Xi’an, 710061, China

    Hongwei Li

Authors
  1. Wei Wang
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  2. Boya Wang
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  3. Hanghui Zhu
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  4. Hongwei Li
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  5. Shunxi Deng
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Correspondence to Wei Wang.

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This article is published with open access at Springerlink.com

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Wang, W., Wang, B., Zhu, H. et al. A facile method to fabricate Al4B2O9 whiskers on porous SiC substrates for gas–solid separation. J Adv Ceram 4, 232–236 (2015). https://doi.org/10.1007/s40145-015-0154-0

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  • DOI: https://doi.org/10.1007/s40145-015-0154-0

Keywords

  • ceramics
  • sol–gel process
  • microstructure
  • scanning electron microscopy (SEM)