Photovoltaic element having a transparent conductive layer with

Details Photovoltaic element having a transparent conductive layer with Photovoltaic element having a transparent conductive layer with

1997-09-09

1999-11-09

Le, Que T.

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

2502141, 257638, H01J 4014

Patent

active

059819340

ABSTRACT:
This invention is to provide a photovoltaic element capable of improving the production yield in the manufacturing process and the reliability such as the weather resistance and the durability, while also improving the photoelectric conversion efficiency by the light enclosing effect. For attaining such object, the photovoltaic element is featured by a fact that the transparent conductive layer, positioned between the substrate and the semiconductor layers, is provided, at a face in contact with the semiconductor layers, with a fractal structure of a fractal dimension D within a range of 1.01.ltoreq.D.ltoreq.1.20 at least within a dimensional range from 40 to 400 nm.

REFERENCES:
patent: 4532372 (1985-07-01), Nath
patent: 5557141 (1996-09-01), Harada et al.
T. Tiedje et al., "Enhanced Optical Absorption Produced by Light Trapping in Amorphous Silicon Films", Proc. 16th IEEE Photovoltaic Specialist Conf. (1982), pp. 1423-1424, Jan. 1982.
H. Deckman et al., "Optical Enhancement of a-SiHx Solar Cells", Proc. 16th IEEE Photovoltaic Specialist Conf. (1982), pp. 1425-1426, Jan. 1982.
Y. Hamakawa et al., "New types of high efficiency solar cells based on a-Si", Appl. Phys. Lett., vol. 43, No. 7, Oct. 1, 1983, pp. 644-646.

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