Method of removing short-circuit portion in photoelectric conver

Details Method of removing short-circuit portion in photoelectric conver Method of removing short-circuit portion in photoelectric conver

1993-08-02

1994-06-14

Niebling, John

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

204130, 2041415, 437 3, 437 4, 324537, 324500, 324501, 324719, G01N 2726

Patent

active

053207238

ABSTRACT:
A method of removing any short-circuit defect existing in a photoelectric conversion device such as solar batteries having a semiconductor layer which is disposed between an upper transparent electrode and a lower electrode and which produces an electromotive force when irradiated with a light. The method comprises applying a voltage between the photoelectric conversion device and a counter electrode across an electrolytic solution containing hydrogen ions and/or hydronium ions. The electrolytic solution is an aqueous solution of an electrolyte or electrolytes selected from a group consisting of inorganic acids, organic acids, inorganic bases, organic bases and salts of metals having standard electrode potential levels which are minus relative to the standard hydrogen electrode potential and which have absolute values greater than hydrogen super voltage.

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Preprint of Conference of Applied Physics, "Improvement in the Efficiency of Amorphous Silicon Solar Cells by Electrochemical Processing," Autumn 1986, with English Translation.

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