PMID: 15245293Jul 13, 2004Paper

In situ observation of carbon-nanopillar tubulization caused by liquidlike iron particles

Physical Review Letters
Toshinari IchihashiYukinori Ochiai

Abstract

The tubulization process of amorphous carbon nanopillars was observed in situ by transmis-sion electron microscopy. Amorphous carbon nanopillars were transformed into graphitic tubules by annealing at 650-900 degrees C in the presence of iron nanoparticles. A molten catalyst nanoparticle penetrated an amorphous carbon nanopillar, dissolving it, and leaving a graphite track behind. An iron nanoparticle moved with its shape changing like an earthworm. We concluded that the tubulization mechanism is a solid-(quasiliquid)-solid mechanism where the carbon phase transformation is a kind of liquid phase graphitization of amorphous carbon catalyzed by liquefied metal-carbon alloy nanoparticles.

References

Jul 26, 1996·Science·A ThessR E Smalley
Feb 10, 1986·Physical Review Letters·S Iijima, T Ichihashi

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Citations

Mar 11, 2009·Proceedings of the National Academy of Sciences of the United States of America·Julio A Rodríguez-ManzoDmitri Golberg
Jul 16, 2011·Microscopy Research and Technique·Leyong ZengJiandong Ding
Dec 20, 2014·Scientific Reports·Mohamad Saufi RosmiMasaki Tanemura
Feb 6, 2008·Nanotechnology·A A PuretzkyD B Geohegan
Jan 13, 2009·Chemistry, an Asian Journal·Takahiro NakaeEiichi Nakamura
Feb 15, 2007·Chemical Communications : Chem Comm·Yongfeng LiRikizo Hatakeyama
Feb 6, 2010·Journal of Combinatorial Chemistry·Gaoxing Su, Bing Yan
Jan 24, 2009·Nano Letters·Renu SharmaMichael M J Treacy
Mar 18, 2011·ACS Applied Materials & Interfaces·Mehmet F SaracJoseph B Tracy
Jul 3, 2007·Nano Letters·Ming LinYong-Lim Foo
Mar 17, 2006·The Journal of Physical Chemistry. B·C H JinL-M Peng

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