Synthesis of Carbon Nanofibers from Carbon Particles by Ultrasonic Spray Pyrolysis of Ethanol

Jianhui ZHANG  Ishwor KHATRI  Naoki KISHI  Tetsuo SOGA  Takashi JIMBO  

IEICE TRANSACTIONS on Electronics   Vol.E92-C   No.12   pp.1432-1437
Publication Date: 2009/12/01
Online ISSN: 1745-1353
DOI: 10.1587/transele.E92.C.1432
Print ISSN: 0916-8516
Type of Manuscript: Special Section PAPER (Special Section on Nanomaterials and Nanodevices for Nanoscience and Nanotechnology)
Category: Nanomaterials and Nanostructures
carbon nanofibers,  ultrasonic spray pyrolysis,  carbon particles,  

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We report the growth of carbon nanofibers (CNFs) from carbon particles by chemical vapor deposition (CVD) with ultrasonic neblizer using ethanol as carbon source. Dense CNFs having diameters of several tens of nanometers have been successfully synthesized by the CVD without using any metal catalysts. The carbon particles formed from decompostion of fullerene were found to be suitable for the synthesis of CNFs. Details of the optimum conditions for producing CNFs and the expected growth mechanism are also described.