Photovoltaic device

Details Photovoltaic device Photovoltaic device

1988-05-04

1989-08-15

Weisstuch, Aaron

Batteries: thermoelectric and photoelectric

Photoelectric

Panel or array

136258, 357 30, 357 59, H01L 3106

Patent

active

048571156

ABSTRACT:
The present invention relates to a photovoltaic device using hydrogenated amorphous silicon as a photoactive layer, wherein the ratio of the number of silicon atoms bonded to hydrogen atoms to the total number of silicon atoms (expressed as a percentage) is 1% or less and the density of dangling bonds is 1.times.10.sup.17 cm.sup.-3 or less. Accordingly, the device of the present invention has the following advantages: the cost can be reduced by forming a thinner layer, the area of the photo-active layer can be increased, the efficiency of photo-electric conversion is improved, and photo-deterioration is reduced.

REFERENCES:
patent: 4496788 (1985-01-01), Hamakawa et al.
patent: 4799968 (1989-01-01), Watanabe et al.
K. Takahashi et al., "Amorphous Silicon Solar Cells," John Wiley & Sons, New York (1986), pp. 109-119, 144-148, and 180.

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