公开(公告)号：US20240128384A1

公开(公告)日：2024-04-18

申请号：US18483909

申请日：2023-10-10

申请人： ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

发明人： Woo Jung LEE ,  Yong-Duck CHUNG ,  DAEHYUNG CHO ,  Myeong Eon KIM ,  Taeha HWANG

IPC分类号： H01L31/0224 ,  H01L31/0216 ,  H01L31/049

CPC分类号： H01L31/022441 ,  H01L31/02168 ,  H01L31/049

摘要： Provided is a solar cell and a manufacturing method thereof. The cell includes a back-contact electrode on a substrate, a light absorbing layer on the back-contact electrode, an anti-defect layer on the light absorbing layer, a buffer layer on the anti-defect layer, and an upper electrode on a buffer layer. The anti-defect layer may contain an alkaline earth metal.