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Effects of synthetic conditions on the structure and morphology of open-ended vanadium oxide nanotubes and study of their growth mechanism

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  • Inorganic Chemistry
  • Published:
Chinese Science Bulletin

Abstract

Vanadium oxide nanotubes (VOx-NTs) have been synthesized by using n-butylamine as structure-directing template and V2O5 as precursor under hydrothermal conditions. XRD, FTIR, SEM, TEM, BET and TG-DTA characterizations have been performed to both optimize the synthetic conditions and understand the growth mechanism of VOx-NTs. The results showed that open-ended VOx-NTs were obtained under the optimized conditions (hydrothermal temperature: 150–160°C, hydrothermal time: 5–7 d, the molar ratio of V2O5 to n-butylamine is 1:1) with diameters ranging from about 30 to 100 nm and several micrometers in length. The BET surface area and the desorption cumulative pore volume of pores of the as-synthesized sample were about 27.4609 m2/g and 0.191087 cm3/g, respectively. The result presents that the synthesis of VOx-NTs is controlled by the “rolling” mechanism and temperature is primary driving force for rolling.

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Authors and Affiliations

  1. Institute of Modern Catalysis, Key Laboratory of Science and Technology of Controllable Chemical Reactions, Ministry of Education, Beijing University of Chemical Technology, Beijing, 100029, China

    Wei Jia & Zhang JingChang

  2. Center of Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100080, China

    Zhu Ying

Authors
  1. Wei Jia
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  2. Zhu Ying
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  3. Zhang JingChang
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Correspondence to Zhang JingChang.

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Supported by the Research Fund for the Doctoral Program of Higher Education (Grant No. 20050010014)

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Wei, J., Zhu, Y. & Zhang, J. Effects of synthetic conditions on the structure and morphology of open-ended vanadium oxide nanotubes and study of their growth mechanism. Chin. Sci. Bull. 52, 1920–1924 (2007). https://doi.org/10.1007/s11434-007-0287-9

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  • DOI: https://doi.org/10.1007/s11434-007-0287-9

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