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Simple Estimation of Nanoparticle Diameter Produced in a Flow Tube Reactor

Published online by Cambridge University Press:  01 February 2011

Kazunori Kuwana  and
Kozo Saito
Kazunori Kuwana
Affiliation:
[email protected], University of Kentucky, Mechanical Engineering, 151 RGAN Bldg., Lexington, KY, 40506-0503, United States, (859)257-6262x523, (859)257-3304
Kozo Saito
Affiliation:
[email protected], University of Kentucky, Department of Mechanical Engineering, United States
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Abstract

In many carbon nanotube synthesis methods, catalyst nanoparticles are formed via pyrolysis of a precursor such as ferrocene. Since the diameter of a carbon nanotube is usually determined by the diameter of the catalyst nanoparticle, it is of great importance to control the size of nanoparticles. To do so, it is necessary to identify the key reaction parameters that influence nanoparticle size. For engineering purposes, a simple analytical model offers a convenient first estimation of particle diameter. It also clarifies the dependence of nanoparticle diameter on each reaction parameter and enhances our understanding of the formation mechanism of nanoparticles. This paper presents a simplified model that can calculate the diameter of particles and the model's analytical solutions.

Keywords

chemical vapor deposition (CVD) (chemical reaction)catalyticFe
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 900: Symposium O – Nanoparticles and Nanostructures in Sensors and Catalysis , 2005 , 0900-O06-24
Copyright
Copyright © Materials Research Society 2006

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References

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