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Room temperature growth of mesoporous silica fibers: A new high-surface-area optical waveguide

Authors

  • Dr. Qisheng Huo,

    1. Department of Chemistry University of California at Santa Barbara Santa Barbara, CA 93106 (USA)
    2. Materials Research Laboratory University of California at Santa Barbara Santa Barbara, CA 93106 (USA)
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  • Dr. Dongyuan Zhao,

    1. Department of Chemistry University of California at Santa Barbara Santa Barbara, CA 93106 (USA)
    2. Materials Research Laboratory University of California at Santa Barbara Santa Barbara, CA 93106 (USA)
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  • Dr. Jianglin Feng,

    1. Department of Chemistry University of California at Santa Barbara Santa Barbara, CA 93106 (USA)
    2. Center for Quantized Electronic Structures University of California at Santa Barbara Santa Barbara, CA 93106 (USA)
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  • Dr. Kenneth Weston,

    1. Department of Chemistry University of California at Santa Barbara Santa Barbara, CA 93106 (USA)
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  • Prof. Steven K. Buratto,

    1. Department of Chemistry University of California at Santa Barbara Santa Barbara, CA 93106 (USA)
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  • Prof. Galen D. Stucky,

    Corresponding author
    1. Department of Chemistry University of California at Santa Barbara Santa Barbara, CA 93106 (USA)
    2. Materials Department University of California at Santa Barbara Santa Barbara, CA 93106 (USA)
    • Department of Chemistry University of California at Santa Barbara Santa Barbara, CA 93106 (USA)
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  • Dr. Stefan Schacht,

    1. Institut für Anorganische Chemie Johann Wolfgang Goethe Universität Frankfurt Marie-Curie-Strasse 11. D-60439 Frankfurt (Germany)
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  • Prof. Ferdi Schüth

    1. Institut für Anorganische Chemie Johann Wolfgang Goethe Universität Frankfurt Marie-Curie-Strasse 11. D-60439 Frankfurt (Germany)
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  • We thank Professor William Wise for help in the measurement of the index of refraction and Professor David Awschalom for a critical inhouse review of the manuscript. Funds were provided by NSF Grants DMR 95-20971 and 96-34396, the Deutsche Forschungsgemeinschaft (Schu744/12-1), and NATO (CRG 950169). This work made use of MRL Central Facilities supported by the National Science Foundation under Award No. DMR-9123048.

Abstract

High-quality, hexagonal phase, mesoporous silica fibers (see Figure) can be grown by the general procedure for one-step, two-phase, room temperature synthesis reported here. The silica fibers, which are 1–5 μm in diameter and up to 5 cm long, have excellent long-range order, a narrow pore size distribution, and a pore volume of up to 0.78 cm3/g. The birefringent fibers can be used as high-surface-area optical fibers.

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