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 reduce recombination loss of carriers by forming a floating junction layer within an emitter and a back surface field layer. CONSTITUTION: A front electrode(205) is touched with an emitter....

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Bibliographic Details
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 07.08.2012
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 reduce recombination loss of carriers by forming a floating junction layer within an emitter and a back surface field layer. CONSTITUTION: A front electrode(205) is touched with an emitter. A back surface field layer(206) is included in a lower layer part on the substrate. A second floating junction layer(207) is formed on a part of an area where the back surface field layer is formed. A second anti-reflection layer(208) is formed on an upper layer of the back surface field layer and the second floating junction layer. A back electrode(209) is touched with the back surface field layer.
Bibliography:Application Number: KR20120079957