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Controlled Nucleation Aerosol Reactors: Production of Bulk Silicon

Alam, M. K. and Flagan, R. C. (1986) Controlled Nucleation Aerosol Reactors: Production of Bulk Silicon. Aerosol Science and Technology, 5 (2). pp. 237-248. ISSN 0278-6826. doi:10.1080/02786828608959090.

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A new type of aerosol reactor is described. By controlling the rate of gas phase reactions such that vapor diffusion to existing particles is favored over homogeneous nucleation, a small number of seed particles can be grown to supermicron sizes. A model for the influence of growing particles on the rate of homogeneous nucleation has been used to design a reactor for the production of silicon particles by thermal decomposition of silane gas. Particles as large as 9 μm mass median diameter have been grown in this two-stage reactor. Silicon aerosol yields ranging from 70% to 83% have been achieved with this system.

Item Type:Article
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URLURL TypeDescription
Alam, M. K.0000-0003-4157-832X
Flagan, R. C.0000-0001-5690-770X
Additional Information:© 1986 American Association for Aerosol Research. Received 3 June 1985; accepted 27 September 1985. This research was supported by the Department of Energy sponsored Flat Plate Solar Array Project at the Jet Propulsion Laboratory of the California Institute of Technology.
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Department of Energy (DOE)UNSPECIFIED
Issue or Number:2
Record Number:CaltechAUTHORS:20150630-165219572
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:58717
Deposited By: Irina Meininger
Deposited On:06 Aug 2015 19:49
Last Modified:25 Apr 2023 15:57

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