DOI Number : 10.5614/itbj.eng.sci.2004.36.2.5
Hits : 15

Simple Fabrication of Carbon Nanotubes from Ethanol using an Ultrasonic Spray Pyrolysis

Mikrajuddin Abdullah1,2,*, Ferry Iskandar1, Kikuo Okuyama1

1Department of Chemical Engineering, Hiroshima University,

1-4-1 Kagamiyama, Higashi Hiroshima 739-8527, Japan

2Department of Physics, Bandung Institute of Technology

Jl. Ganeca 10 Bandung 40132, Indonesia

*email address: din@hiroshima-u.ac.jp


Abstract.

Carbon nanotubes of diameter (20100 nm) are synthesized by pyrolyzing a sprayed solution of Fe(C5H5)2 and C2H5OH in an Ar atmosphere at relatively low temperatures (around 800 oC). The tubular structures consist of highly crystalline nested graphene cylinders (<200 concentric tubes). Tube diameter can be controlled by varying the furnace temperature, carrier gas flow rate and the Fe:C ratio within the precursor solution. This low cost route for the synthesis of carbon nanotubes is advantageous due the low pyrolytic temperature, safety, processable in atmospheric pressure, and scalable.



Keywords: carbon nanotubes/nanofibers; spray pyrolysis; ultrasonic nebulizer.

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