Preparation of compounds based on phase equilibria of Cu-In-Se

Details Preparation of compounds based on phase equilibria of Cu-In-Se Preparation of compounds based on phase equilibria of Cu-In-Se

2007-02-06

2007-02-06

Hiteshew, Felisa (Department: 1722)

Single-crystal, oriented-crystal, and epitaxy growth processes;

Processes of growth with a subsequent step acting on the...

C117S003000, C117S937000

Reexamination Certificate

active

10311716

ABSTRACT:
The present invention relates to the use of phase equilibria as shown in the phase diagram of Cu—In—Se for the preparation of solid compositions. Further, a new method for directly obtaining α CulnSe2 from a liquid phase, preferably as a single phase composition and novel single phase α CulnSe2 compositions are provided.

REFERENCES:
patent: 4652332 (1987-03-01), Ciszek
The Phase relations in the Cu, In, Se System . . . Crystals, Fearheiley, Solar Cells, vol. 16. No. 1/Apr. 1986, pp. 91-100.
“Preparation of Nonstoichiometirc CUINSE2 Crystals . . . Method”, Yip, et al. Record of the Photovoltaic Specialists Conference,, vol. Conf. 21, May 21, 1990 (p. 768.
“Effect of nonstoichiometry on conductivity . . . CuInSe2”, Shukri, et al., Journal of Crystal Growth, NL. vol. 191, Jan. 7, 1998 (pp. 97-107).
CuInS2ySe2-2y and CuGaxIn1. . . Bulk Crystal growth . . . properties, Abid, et al. Specialists Conference 1987, May 1987—pp. 1305-1308.
LPE Growth of CuGa1 . . . substrate, Takenosita, Japanese Journal of Applied Physics, vol. 23. (1984) p. 389.
Phase relations in the ternary system. Cu-In-Se, Boehke, et al. Journal of Materials Science, vol. 22, (1987), pp. 1635-1641.
Phase Relations in the Cu, In. Se system and properties . . . Crystals, Bachmann, et al., Applied Physics, Letters. vol. 44. Feb 15, 1984 (pp. 407-409).

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