화학공학소재연구정보센터
학회 한국재료학회
학술대회 2019년 가을 (10/30 ~ 11/01, 삼척 쏠비치 호텔&리조트)
권호 25권 2호
발표분야 C. 에너지 재료 분과
제목 Characteristics of phosphorus doped silicon layer in tunnel oxide passivated contact solar cell
초록 Today, many group presented high efficiency Si solar cells over 25% in efficiency. One of the promising structures is the TOPCon cell presented by Fraunhofer ISE in Germany. Recently, a 25.1% tunnel oxide passivated contact (TOPCon) cell based on n-type Si was reported. The feature of this cell is the excellent interface passivation quality achieved by applying a thin (< 2 nm) oxide layer. The oxide layer was located between the doped poly-Si and the Si substrate. In this study, we fabricated TOPCon cell by depositing phosphorus doped a-Si and poly-Si each. They act as carrier-selective contacts and, thereby, lead to a significant reduction of the cell's recombination current. We compared these layers by various methods and could get good results from the phosphorus doped Si contact in TOPCon solar cell.
저자 Hoyoung Song1, Changhyun Lee2, Jee Woong Yang1, Ji Yeon Hyun2, Dongjin Choi1, HyunJung Park2, Soohyun Bae1, Se Jin Park2, Hyunju Lee1, Yoonmook Kang2, Hae-Seok Lee1, Donghwan Kim2
소속 1Department of Materials Science and Engineering, 2Korea Univ.
키워드 tunnel oxide; amophous silicon; poly silicon; passivation quality
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