Method for manufacturing flexible amorphous silicon solar cell

Details Method for manufacturing flexible amorphous silicon solar cell Method for manufacturing flexible amorphous silicon solar cell

1993-03-26

1994-10-18

Owens, Terry J.

Coating processes

Electrical product produced

427 96, 427109, 427124, 4273855, 4273897, 427578, B05D 100

Patent

active

053566564

ABSTRACT:
A method of manufacturing a flexible amorphous silicon solar cell includes the steps of: a) coating a PI varnish on a glass substrate; b) imidizing the PI varnish film; c) vacuum-depositing a metal film on the PI film; d) vacuum-depositing an amorphous silicon film on the metal film; e) vacuum-depositing a transparent conducting film on the amorphous silicon film; and f) separating the PI film from the glass substrate. The method also provides for preparing the PI varnish by the steps of: 1) preparing a mixed solution of 60-100% by weight aprotic solvent, and 0-40% by weight aromatic solvent; 2) adding into the mixed solution in a mole ratio of 1:9 two aromatic diamines; and 3) further adding in the mixed solution in a mole ratio of 1:5 two aromatic dianhydrides.

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