화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Journal of Industrial and Engineering Chemistry, Vol.17, No.2, 218-222, March, 2011
DOI10.1016/j.jiec.2011.02.009  Export Citation
Synthesis of multi-wall carbon nanotubes by Ni-substituted (loading) MCM-41 mesoporous molecular sieve catalyzed pyrolysis of ethanol
Qian Zhao1, 2, †, Tingshun Jiang1, Changsheng Li2, and Hengbo Yin1
  • 1School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, Jiangsu Province, PR China
  • 2School of Material Science & Engineering, Jiangsu University, Jiangsu Zhenjiang 212013, Jiangsu Province, PR China
E-mail:
Ni-loading MCM-41 mesoporous molecular sieve (Ni/MCM-41) and Ni-substituted MCM-41 mesoporous molecular sieve (Ni-MCM-41) were synthesized by wet impregnation method and hydrothermal method, respectively. Their mesoporous structures were evaluated by X-ray diffraction (XRD) and N2 physical adsorption technique. Chemical vapor deposition (CVD) was employed to catalytically synthesize carbon nanotubes (CNTs) using Ni-MCM-41 or Ni/MCM-41 as catalyst via pyrolysis of ethanol at atmospheric pressure and 700 ℃. The resulting carbon nanotubes were characterized by means of transmission electron microscopy (TEM), high-resolution transmission electron microscopy (HRTEM) and Raman spectroscopy, respectively. The results show that the multi-wall carbon nanotubes (MWCNTs) were successfully obtained at 700 ℃ utilizing NiMCM-41 (or Ni/MCM-41) as a catalytic template by the pyrolysis of ethanol. MWCNTs obtained over Ni-MCM-41 catalyst have uniform diameter and high quality. On the other hand, the technique has great advantages such as low cost and easy operation for the preparation of carbon nanotubes.
Keywords:Carbon nanotubes;Synthesis;Chemical vapor deposition;Pyrolysis
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