Method of making tandem solar cell module

Details Method of making tandem solar cell module Method of making tandem solar cell module

1988-07-19

1990-04-03

Weisstuch, Aaron

Fishing, trapping, and vermin destroying

136244, 136249, 437 2, H01L 3118

Patent

active

049140442

ABSTRACT:
A tandem solar module and a method for the manufacture thereof. The tandem solar module has a first, large-area, lower solar sub-module of polycrystalline silicon (c-Si), has an electrically insulating, transparent intermediate layer functioning as an optical coupler, and also has a second, transparent, upper sub-module of amorphous, hydrogenated silicon (a-Si:H). Both sub-modules are provided with mutually independent electrical contacts and each is functional in and of itself. An active material in the first sub-module that is preferably structured strip-shaped can be composed of silicon strips produced in a band drawing method. The second sub-module is executed in thin-film technology in a known way and has a p-i-n structure. Its substrate serves as a covering for the overall module. The tandem solar module exhibits high efficiency and is cost-effective to be manufactured. It can be manufactured with a large-area and exhibits high long-term stability.

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Tawada, "Stability of an Amorphous SIC/SI Tandem Solar Cell with Blocking Barriers" Applied Physics Letter 48, (9) Mar. 3, 1986, pp. 584-586.
Yang, "High Efficiency Amorphous Silicone & Amorphous Silicon-Germanium Tandem Solar Cells" First International Photovoltaic Science & Engineering Conf., (Japan), Nov., 1984.

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