Three-terminal ternary III-V multicolor solar cells and process

Details Three-terminal ternary III-V multicolor solar cells and process Three-terminal ternary III-V multicolor solar cells and process

1982-09-27

1984-05-29

Weisstuch, Aaron

Batteries: thermoelectric and photoelectric

Photoelectric

Panel or array

136262, 357 30, 148174, 148175, H01L 3106, H01L 3118

Patent

active

044516916

ABSTRACT:
Three-terminal ternary III-V two-color solar cells incorporating layers of GaAs.sub.1-x-y P.sub.x Sb.sub.y. The three-terminal structure enables the current to be withdrawn from both cells without the necessity of current matching between the two color stacked photovoltaic device. In addition, the three-terminal configuration permits the independent determination of the individual properties of each cell. The stacked two-color cells can be connected in series through the three-terminal arrangement to overcome the problems of independent load matching between the cells encountered with the conventional two-terminal configuration. Finally, the three-terminal two colored solar cells does not require a shorting junction between the homojunction layers of the cells but only a simple transition layer. This speeds the processing of the device.

REFERENCES:
patent: 4387265 (1983-06-01), Dalal
S. Sakai et al., "Theoretical Analysis of New Wavelength Division Solar Cells", J. Appl. Phys., vol. 51, pp. 5018-5024 (1980).
G. Guarini, "High Efficiency GaAs Solar Cells for Concentrator & Flat Plate Arrays," 4th European Community Photovoltaic Solar Energy Conference, Stresa, 1982.
Zh. I. Alferov et al., "Two-Element Cascade Al-Ga-As Solar Cell," Sov. Tech. Phys. Lett., vol. 7, pp. 357-358 (1981).

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