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Effect of pyrolysis temperature on properties of ACF/CNT composites

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Abstract

Activated carbon fiber/carbon nanotube (ACF/CNT) composites were fabricated by chemical vapor deposition (CVD) process. The effects of pyrolysis temperature on properties of ACF/CNT composites, including BET specific surface area, mass increment rate and adsorption efficiency for rhodamine B in solution, were investigated by scanning electron microscopy. The results show that the pyrolysis temperature is a key factor affecting the qualities of ACF/CNT composites. The mass increment rate and BET specific surface area sharply decrease with the increase of pyrolysis temperatures from 550 °C to 850 °C and the minimum diameter of CNTs appears at 750 °C. The maximum adsorption efficiency of ACF/CNT composites for rhodamine B is obtained at 650 °C. ACF/CNT composites are expected to be useful in adsorption field.

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Authors and Affiliations

  1. School of Minerals Processing and Bioengineering, Central South University, Changsha, 410083, China

    Li-ping Wang  (王丽平) & Zhu-cheng Huang  (黄柱成)

  2. Department of Biological Engineering and Environmental Science, Changsha University, Changsha, 410003, China

    Li-ping Wang  (王丽平) & Xing-sheng Liao  (廖兴盛)

  3. State Key Laboratory for Powder Metallurgy, Central South University, Changsha, 410083, China

    Ming-yu Zhang  (张明瑜)

Authors
  1. Li-ping Wang  (王丽平)
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  2. Zhu-cheng Huang  (黄柱成)
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  3. Ming-yu Zhang  (张明瑜)
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  4. Xing-sheng Liao  (廖兴盛)
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Corresponding author

Correspondence to Li-ping Wang  (王丽平).

Additional information

Foundation item: Project(50802115) supported by the National Natural Science Foundation of China; Project(2010FJ4075) supported by the Science and Technology Plan of Hunan Province; Project(CDJJ-10010205) supported by Changsha University

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Wang, Lp., Huang, Zc., Zhang, My. et al. Effect of pyrolysis temperature on properties of ACF/CNT composites. J. Cent. South Univ. 19, 2746–2750 (2012). https://doi.org/10.1007/s11771-012-1336-3

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  • DOI: https://doi.org/10.1007/s11771-012-1336-3

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