FRONT AND BACK CONTACT ELECTRIC FIELD SOLAR CELL AND METHOD THEREOF

PURPOSE: A solar cell having front and back surface fields and a manufacturing method thereof are provided to increase collection efficiency by controlling photoproduced carrier from moving to a surface. CONSTITUTION: A p type silicon substrate is provided(301). An emitter (n+) is included in an upp...

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Main Authors AHN, SOO BEOM, LEE, JOON SUNG, SONG, SEOK HYUN, LEE, KYUNG WON, JUNG, SANG YOON, JU, SANG MIN, YANG, SU MI
Format Patent
LanguageEnglish
Korean
Published 10.07.2012
Subjects
BASIC ELECTRIC ELEMENTS
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
SEMICONDUCTOR DEVICES
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Summary:PURPOSE: A solar cell having front and back surface fields and a manufacturing method thereof are provided to increase collection efficiency by controlling photoproduced carrier from moving to a surface. CONSTITUTION: A p type silicon substrate is provided(301). An emitter (n+) is included in an upper portion of the substrate. A floating junction layer (p+)(303) of a pattern structure is included while being deposited on the emitter (n+). A reflection prevention layer(304) is included in the floating junction layer (p+). A front electrode(305) is contacted with the emitter (n+). The floating junction layer (p+) is not contacted with the front electrode.
Bibliography:Application Number: KR20100139938