BI-FACIAL SOLAR CELL AND METHOD FOR FABRICATING THE SAME

BI-FACIAL SOLAR CELL AND METHOD FOR FABRICATING THE SAME

PURPOSE: A bi-facial solar cell and a method for fabricating the same are provided to improve the photoelectric conversion efficiency of the solar cell by reducing the recombination of minority carriers. CONSTITUTION: A p-type emitter(504) is locally formed in the upper part of a substrate(501). A f...

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Bibliographische Detailangaben
Hauptverfasser: SEO, JUN MO, AHN, SOO BEOM, KANG, JIN MO, SONG, SEOK HYUN, JU, SANG MIN, YANG, SU MI
Format: Patent
Sprache:eng ; kor
Schlagworte:
BASIC ELECTRIC ELEMENTS
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
SEMICONDUCTOR DEVICES
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Zusammenfassung:PURPOSE: A bi-facial solar cell and a method for fabricating the same are provided to improve the photoelectric conversion efficiency of the solar cell by reducing the recombination of minority carriers. CONSTITUTION: A p-type emitter(504) is locally formed in the upper part of a substrate(501). A front field layer(n+)(506) is adjacent to the p-type emitter. A front electrode(512) is electrically connected to the p-type emitter. A back contact electrode(513) is electrically connected to a back field layer(n+). A passivation layer(510) and an antireflection layer(511) are successively laminated on the front and the back surface of the substrate.