Thin film photovoltaic cells from I-III-VI-VII compounds

Details Thin film photovoltaic cells from I-III-VI-VII compounds Thin film photovoltaic cells from I-III-VI-VII compounds

1992-02-07

1994-02-15

Weisstuch, Aaron

Batteries: thermoelectric and photoelectric

Photoelectric

Panel or array

136264, 136265, 257184, 257458, 437 5, 427 74, 427 76, 205157, 205915, H01L 31072, H01L 31075, H01L 3118

Patent

active

052863069

ABSTRACT:
A photovoltaic energy conversion device and methods for forming the same with relatively high efficiency, high stability, low cost, low weight, and low toxicity. The device comprises a thin film n/p or n/i/p type, gradient-doped heterojunction which uses compatible, lattice-matched, non-hazardous semiconducting compounds from the I-III-VI.sub.2 (14), I-III-VI-VII (15) and I-VI.sub.3 -VII (16) series, an ohmic contact (13) to the n-layer comprising a group III metal, a transparent ohmic contact (17) to the p-layer, a grid (18), and an antireflection coating (20).

REFERENCES:
patent: 4710589 (1987-12-01), Meyers et al.
patent: 4753684 (1988-06-01), Ondris et al.

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