Process for the production of silicon

Details Process for the production of silicon Process for the production of silicon

1984-03-13

1985-06-25

Straub, Gary P.

Chemistry of inorganic compounds

Silicon or compound thereof

423348, 423349, 423350, 423495, C01B 3300

Patent

active

045253340

ABSTRACT:
A process for the production of silicon comprising reacting a gaseous silicon compound of the formula SiH.sub.n X.sub.4-n, wherein X is halogen and n is 0 to 3, with aluminum in solid state. The resulting silicon can be highly pure and will have the particle size of the aluminum feed, making it especially useful for production of solar cells.

REFERENCES:
patent: 4172883 (1979-10-01), Ingle et al.
Chemical Abstracts, Bd. 57, No. 3, (Aug. 1962), Shiro Yoshizawa "Reduction of Silicon Tetrachloride with Aluminum", pp. 3076-3077.
"Nouveau Traite de Chimie Minerale", Paul Pascal; Band VIII, Tome VIII, Silicum, pp. 275-280. Masson et Cie. (1965).
Kirk-Othmer, Encyclopedia of Chemical Technology, vol. 2, p. 161, (1978).

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