Solar Cells, Thin film solar, Thin film solar cells, buffer layer, thin film(TF)
Funding Org.
과학기술정보통신부
Research Org.
한국전자통신연구원
Project Code
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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