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AEM and HREM Evaluation of Carbon Nanostructures in Silica Aerogels

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Abstract

Nanostructured carbon has been deposited in silica aerogels by chemical vapor infiltration using acetylene or ferrocene at moderate temperatures. Using analytical electron microscopy and high-resolution electron microscopy, we have observed various carbon rings and nanotubes in the silica aerogel-based carbon composite. Both X-ray microanalysis and nano-probe diffraction techniques have been used to confirm the presence of those carbon nanostructures. The morphologies and structural properties of the carbon nanotubes and rings have also been examined in detail.

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Authors and Affiliations

  1. Energy and Environment Division, Lawrence Berkeley Laboratory University of California, Berkeley, CA, 94720, USA

    X. Y. Song, W. Cao & A. J. Hunt

  2. National Lab for Fine Ceramics and Structure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai, China

    X. Y. Song

Authors
  1. X. Y. Song
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  2. W. Cao
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  3. A. J. Hunt
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Song, X.Y., Cao, W. & Hunt, A.J. AEM and HREM Evaluation of Carbon Nanostructures in Silica Aerogels. MRS Online Proceedings Library 349, 269–274 (1994). https://doi.org/10.1557/PROC-349-269

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  • DOI: https://doi.org/10.1557/PROC-349-269

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