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Synthesis and characterization of carbon filaments grown from Pd3P colloids

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Abstract

Amorphous carbon filaments were synthesized by catalytic pyrolysis of propene over Pd3P colloids. The channel close to the center of the filaments usually contained particles, which were analyzed by analytical electron microscopy to be palladium. The palladium particles could be found anywhere along the filament. The carbon filaments were of two types and of different diameters, about 8–15 nm and about 40–80 nm. The thinner type of filament shows a channel diameter of about 5 nm. The type of filament produced depends on the reaction conditions. Increased reaction time results in a large number of filaments, whereas an increased propene gas flow results in more of the thicker type of filaments.

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Authors and Affiliations

  1. National Center for High-Resolution Electron Microscopy, Inorganic Chemistry 2, Center for Chemistry and Chemical Engineering, Lund University, P.O. Box 124, S-221 00, Lund, Sweden

    F. Cesar, J-O. Bovin & L. R. Wallenberg

  2. The Biomicroscopy Unit, Center for Chemistry and Chemical Engineering, Lund University, P.O. Box 124, S-221 00, Sweden

    G. Karlsson

  3. Division for Microscopy and Microanalysis, Department of Experimental Physics, Chalmers University of Technology, Lund, S-412 96, Gothenburg, Sweden

    L. K. L. Falk

  4. Institute of Scientific and Industrial Research, Osaka University, Osaka, Mihogaoka 8–1, 567–0047, Ibaraki, Japan

    T. Oku

Authors
  1. F. Cesar
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  2. J-O. Bovin
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  3. L. R. Wallenberg
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  4. G. Karlsson
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  5. L. K. L. Falk
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  6. T. Oku
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Cesar, F., Bovin, JO., Wallenberg, L.R. et al. Synthesis and characterization of carbon filaments grown from Pd3P colloids . Journal of Materials Research 15, 1857–1859 (2000). https://doi.org/10.1557/JMR.2000.0267

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  • DOI: https://doi.org/10.1557/JMR.2000.0267

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