METHOD FOR MANUFACTURING SOLAR CELL WITH IMPROVED INTERFACE STABILITY

The present invention is to provide a solar cell that can increase efficiency by suppressing a reaction between an organic material layer and a buffer layer. To this end, a method of forming a solar cell comprises the steps of: forming a transparent electrode on a glass substrate; forming a charge t...

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Hauptverfasser: SONG SOO MIN, AHN SE JIN, LEE AH REUM, LEE TAE KYUNG, PARK SUNG EUN, HONG SUNG JUN, KIM KI HWAN, KANG MIN GU, HWANG IN CHAN, EO YOUNG JOO, CHO A RA, YOO JIN SU, SHIN DONG HYEOP, PARK JOO HYUNG, SONG HEE EUN, YUN JAE HO, LEE JEONG IN, AHN SEUNG KYU, JEONG KYUNG TAEK, CHO JUN SIK, JEONG IN YOUNG, LEE SANG MIN, GWAK JI HYE
Format: Patent
Sprache:eng ; kor
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Zusammenfassung:The present invention is to provide a solar cell that can increase efficiency by suppressing a reaction between an organic material layer and a buffer layer. To this end, a method of forming a solar cell comprises the steps of: forming a transparent electrode on a glass substrate; forming a charge transport layer on the transparent electrode; forming an absorption layer on the charge transport layer; forming a charge transport layer on the absorption layer; forming a buffer layer on the charge transport layer; and forming a transparent electrode on the buffer layer. The method further includes a step of performing pre-oxidation before forming the buffer layer. 본 발명은 유기물층과 버퍼층 사이의 반응을 억제하여 효율을 높일 수 있는 태양전지를 제공하기 위한 것이다. 이를 위하여, 유리기판 위에 투명전극을 형성하는 단계; 상기 투명전극 위에 전하수송층을 형성하는 단계; 상기 전하수송층 위에 흡수층을 형성하는 단계; 상기 흡수층 위에 전하수송층을 형성하는 단계; 상기 전하수송층 위에 버퍼층을 형성하는 단계; 및 상기 버퍼층 위에 투명전극을 형성하는 단계를 포함하는 태양전지 제조방법에 있어서, 상기 버퍼층 형성 전에 예비산화하는 단계를 더 포함하는 것을 특징으로 하는 태양전지 제조방법을 제공한다.