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Advanced Materials

Carbon Fibers: Patterned Functional Carbon Fibers from Polyethylene (Adv. Mater. 18/2012)

Authors

  • Marcus A. Hunt,

    1. Polymer Matrix Composites Group, Materials Science and Technology Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831-6053, USA
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  • Tomonori Saito,

    1. Polymer Matrix Composites Group, Materials Science and Technology Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831-6053, USA
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  • Rebecca H. Brown,

    1. Polymer Matrix Composites Group, Materials Science and Technology Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831-6053, USA
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  • Amar S. Kumbhar,

    1. Chapel Hill Analytical and Nanofabrication Laboratory, Institute for Advanced Materials, NanoScience and Technology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599-3216, USA
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  • Amit K. Naskar

    Corresponding author
    1. Polymer Matrix Composites Group, Materials Science and Technology Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831-6053, USA
    • Polymer Matrix Composites Group, Materials Science and Technology Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831-6053, USA.
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Abstract

Flower-shaped carbon fibers are created from novel processes using polyethylene-based precursors by A. K. Naskar and co-workers. Such patterned, continuous carbon fibers have tunable cross-sections, from hollow circular to gear-shaped, and tailored properties arising from the highly versatile fabrication methods described on page 2386. The fibers exhibit ordered graphitic structures near the surface and porous disordered carbon near the core. These porous fibers have 3–30-fold higher BET surface areas relative to solid fibers of similar construction, rendering them amenable to myriad applications.

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