18JB1800, Development of colorful flexible thin film solar cells with nontoxic buffer layer,
Chung Yong-Duck
Abstract
1. 버퍼층 광투과율 향상 - sp-Zn(O,S) 단위박막에서 90.3% 평균광투과율 (400-1000nm) 달성 - Zn(O,S) 공정, S/O 조성비, 두께 조절 등을 통하여 높은 광투과율 확보 - 태양전지 소자에 적용하여 우수한 단락전류밀도를 갖는 최적의 두께 탐색 2. 에너지준위 관찰 및 조절 - sp-Zn(O,S) 박막 증착 시의 공정 조건을 조절하여 ZnO 대비 ΔEc = 0.90, ΔEv =0.80 달성 - CIGS 흡수층의 조성 조절에 따른 버퍼층과의 계면 특성 관찰 - XPS 분석을 통해 에너지 준위 변화량을 실험적으로 관찰함 3. 초음속 스프레이를 이용한 투명전극 및 금속전극 제작 - 증착 작동 온도 및 압력 조건 변화를 통해 금속선 성능 개선 - Metal fiber 형성을 통해 grid 없이 10.4%의 효율 증가 관찰 - 굽힘 시험을 통해 투명산화막 대비 metal fiber의 우수한 내구성 확인
(출처 : 보고서 요약서 3p)
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