Batteries: thermoelectric and photoelectric – Photoelectric – Cells
Patent
1979-08-14
1981-02-17
Weisstuch, Aaron
Batteries: thermoelectric and photoelectric
Photoelectric
Cells
136261, 148188, 148190, 252950, 357 30, 357 52, H01L 21225, H01L 3104
Patent
active
042512859
ABSTRACT:
The PN juncture in a silicon chip and an oxide coating on its surface are simultaneously formed from clear solution derived from titanium alkoxides, water, alcohol, a suitable acid, and a P or N dopant compound by partial hydrolysis and polymerization. The solution is applied to the surface of a silicon chip. The chip is then heated which converts the solution to a solid oxide coating which meets the antireflective optical film requirements and induces the migration of the dopants into the chip, forming a PN junction in the chip. The method also provides deep and uniform junction formation or diffusion without resulting in excessive carrier concentration.
REFERENCES:
patent: 4101351 (1978-07-01), Shah et al.
A. D. Haigh, "Fired Through Printed Contacts on Antireflection Coated Silicon Terrestrial Solar Cells," Conf. Record, 12th IEEE Photovoltaic Specialists Conf., (1976), pp. 360-361.
W. Luft, "Status of TiOx Antireflective Coating in the U.S.," Conf. Record 10th IEEE Photovoltaic Specialists Conf., (1973), pp. 174-179.
Yoldas Bulent E.
Yoldas Lubomyra A.
Fuerle R. D.
Weisstuch Aaron
Westinghouse Electric Corp.
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