Batteries: thermoelectric and photoelectric – Photoelectric – Cells
Patent
1987-09-14
1988-09-27
Weisstuch, Aaron
Batteries: thermoelectric and photoelectric
Photoelectric
Cells
136259, 136262, 437 5, 357 30, H01L 3106, H01L 3118
Patent
active
047739452
ABSTRACT:
A cell for using solar radiation to generate electrical power comprises a direct band gap (or high absorption coefficient) substrate which is formed with at least one hole that extends from one side of the substrate to the other side of the substrate. A p-n junction formed with an emitter and a base is joined to one side of the substrate with the hole allowing means to make electrical contact with the base. A metallic layer is extended through the hole into electrical contact with the base to establish a low resistance path between the base of the p-n junction and the back side of the substrate.
REFERENCES:
patent: 4062698 (1977-12-01), Blakeslee et al.
patent: 4128680 (1978-12-01), Heaps et al.
patent: 4383130 (1983-05-01), Uroshevich
K. -D. Rasch et al., "Compatibility of BSR and BSF Solar Cell Technology," Proc. 14th IEEE Photovoltaic Specialists Conference, 1980, pp. 141-145.
R. W. McClelland et al., "A Technique for Producing Epitaxial Films on Reuseable Substrates," App. Phys. Lett., vol. 37, No. 6, Sep. 1980, pp. 560-562.
J. C. C. Fan et al. "Thin-Film GaAs Solar Cells," Proc. 15th IEEE Photovoltaic Specialists Conference, 1981, pp. 666-672.
C. I. H. Ashby and R. M. Biefeld, "Composition-Selective Photochemical Etching of Compound Semiconductors," Appl. Phys. Lett., vol. 47, No. 1, Jul. 1985, pp. 62-63.
14th IEEE Photovoltaic Specialist Conference, Jan. 7, 1980, "Back Surface Reflectors for Solar Cells," by An-Ti Chai, pp. 156-160.
16th IEEE Photovoltaic Specialist Conference, Sep. 27, 1982, "Ultrathin GaAs and AlGaAs Solar Cell," by R. J. Boettcher et al., pp. 1470-1473.
18th IECEC, Aug. 21-16, 1983, "Multibandgap Photovoltaic Receiver Using Back Surface Reflectors," by Theodore G. Stern.
Solar Cells, vol. 19, pp. 19-38 (1986-87) "Optimum Efficiency of Single and Multiple Bandgap Cells in Thermophotovoltaic Energy Conversion," Dec. 23, 1985 by L. D. Woolf.
Bass John C.
Woolf Lawrence D.
GA Technologies Inc.
Weisstuch Aaron
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