Sanyo Electric Co., Ltd.

Manabu Sasaki

Katsunobu Sayama

Eiji Maruyama

Kunimoto Ninomiya

Shigeo Yata

Hiroshi Ishimaru

Disclosed is a photovoltaic device comprising on a substrate ( ) a plurality of photovoltaic elements ( ) each composed of a lamination body of a first electrode ( ), a photovoltaic conversion layer ( ), and a second electrode ( ), the thickness of a side end (B) in the first electrode ( ) in the vicinity of a separating trench (S) existing between the first electrode ( ) and the adjacent first electrode ( ) being larger than the thickness of an element region (A) in the first electrode ( ).

Photovoltaic device and method of fabricating the same

A manufacturing method of a photovoltaic device comprising a plurality of unit cells including a first electrode of zinc oxide, a photovoltaic conversion layer, and a second electrode on a surface of a substrate includes a process for forming a zinc oxide film on the surface of the substrate, a process for eliminating a predetermined part of the zinc oxide film by laser beam irradiation and dividing the zinc oxide film into a plurality of the first electrodes, and a process for etching the surface of the substrate including the plurality of the first electrodes.

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Osaka, Japan

Manabu Sasaki