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Advanced Materials

In-Situ Fabrication of Freestanding Single-Walled Carbon Nanotube–Silicate Composite Hex Nuts

Authors

  • R. Colorado Jr.,

    1. Department of Mechanical Engineering and Materials Science, and The Center for Nanoscale Science and Technology, Rice University, Houston, TX 77005, USA
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  • M. E. Diosomito,

    1. Department of Mechanical Engineering and Materials Science, and The Center for Nanoscale Science and Technology, Rice University, Houston, TX 77005, USA
    2. Present address: Booker T. Washington Magnet School of Engineering, Houston Independent School District, Houston, TX 77018, USA.
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  • A. R. Barron

    1. Department of Mechanical Engineering and Materials Science, and The Center for Nanoscale Science and Technology, Rice University, Houston, TX 77005, USA
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  • Financial support for this work was provided by the National Science Foundation and the Robert A. Welch Foundation. We thank Prof. R. E. Smalley for the supply of raw HiPco SWNTs. Supporting Information is available online from Wiley InterScience or from the author.

Abstract

Freestanding “hex nuts” composed of a single-walled carbon nanotube (SWNT)–silicate composite (see Figure) have been fabricated from mats of silica-coated SWNTs using a novel dissolution/regrowth process. This approach simultaneously generates large numbers of composites with well-defined shapes and uniform dimensions. Discrete steps of this fabrication process are discussed.

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