Batteries: thermoelectric and photoelectric – Photoelectric – Panel or array
Patent
1980-10-23
1982-06-01
Weisstuch, Aaron
Batteries: thermoelectric and photoelectric
Photoelectric
Panel or array
136262, 357 30, H01L 3106
Patent
active
043329748
ABSTRACT:
A new high efficiency, multijunction photovoltaic solar cell for use with a concentrating lens. This cell comprises an elemental single crystal substrate without an internal light sensitive junction, upon which are two or more successive homogenous layers of semiconductor material, each layer containing within it a light sensitive p
junction of a similar polarity, each layer having essentially the same lattice constant as the single crystal substrate, each layer having a shorting junction contact with the layer immediately above and below it, each successive layer adsorbing light energy at a shorter wavelength, and each layer being of sufficient thickness and appropriate composition to develop essentially the same current as the other layers. The outer surfaces of the top layer and the substrate are provided with electrical contacts for distribution of the electric current. The top contact comprises a layer of a transparent conductive material with electrical connections and the whole structure is completed with an antireflection coating over the top.
REFERENCES:
patent: 4017332 (1977-04-01), James
patent: 4128733 (1978-12-01), Fraas et al.
patent: 4179702 (1979-12-01), Lamorte
patent: 4227941 (1980-10-01), Bozler et al.
L. M. Fraas et al., "Design of High Efficiency Monolithic Stacked Multi-Junction Solar Cells", Conf. Record, 13th IEEE Photovoltaic Specialists Conf., (1978), pp. 886-891.
Chevron Research Company
Keeling E. J.
Newell D. A.
Weisstuch Aaron
Zavell A. Stephen
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