Method for making graded I-III-VI.sub.2 semiconductors and solar

Batteries: thermoelectric and photoelectric – Photoelectric – Cells

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136260, 136264, 136265, 427 51, 427 76, 4272552, 357 16, 357 30, 357 59, 357 61, 437 81, 437 2, H01L 3106, H01L 3118

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046847618

ABSTRACT:
Improved cell photovoltaic conversion efficiencies are obtained by the simultaneous elemental reactive evaporation process of Mickelsen and Chen for making semiconductors by closer control of the evaporation rates and substrate temperature during formation of the near contact, bulk, and near junction regions of a graded I-III-VI.sub.2, thin film, semiconductor, such as CuInSe.sub.2 /(Zn,Cd)S or another I-III-VI.sub.2 /II-VI heterojunction.

REFERENCES:
patent: 4335266 (1982-06-01), Mickelsen et al.
patent: 4523051 (1985-06-01), Mickelsen et al.
L. Stolt et al., Proceedings 6th E.C. Photovoltaic Solar Energy Conf. (1985), Reidel Pub. Co. (1985), pp. 850-855.
R. W. Birkmire et al., Solar Cells, vol. 16, pp. 419-427 (1986).
R. Noufi et al., J. Appl. Phys., vol. 58, pp. 3884-3887 (1985).
A. Hermann et al., Proceedings SPIE, vol. 407, Apr. 1983, pp. 96-105.
R. Noufi et al., Conf. Record, 17th IEEE Photovoltaic Specialists conference (1984), pp. 927-932.
R. A. Mickelsen et al., IEEE Trans. Electron Devices, vol. ED-31, May 1984, pp. 542-546.

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