화학공학소재연구정보센터
학회 한국고분자학회
학술대회 2022년 봄 (04/06 ~ 04/08, 대전컨벤션센터)
권호 47권 1호
발표분야 분자전자 부문위원회
제목 Investigation of Effect of Electron Transport Layer/Perovskite Layer Interface on Power Generation of Perovskite Solar Cell under Indoor Lighting Conditions
초록 In this presentation, using directional illumination combined with nanoscale scanning probe microscopy characterization, morphology-dependent charge transport measurements are performed to provide a comprehensive understanding that the optoelectronic behaviors of (FAPbI3)0.85(MAPbBr3)0.15 containing 5 vol% of cesium (Cs5vol%) with various electron transport layers (ETLs), SnO2, c-TiO2, and PC61BM/SnO2 under indoor light. Our approach allows us to identify the charge transport properties of the perovskite film and perovskite/ETL interface separately. Conductive AFM results show that SnO2 as ETL plays an effective role to enhance the charge collection properties of grain boundaries (GBs) compared to c-TiO2 and PCBM/SnO2. Kelvin probe force microscopy results confirm that SnO2-based devices exhibit homogeneous surface potential and improved overall surface photovoltage.
저자 신소정1, Ghaida Alosaimi2, Robert Lee Chin2, 윤재성2, Jan Seidel2, 김종현1
소속 1아주대, 2UNSW
키워드 Indoor light; Perovskite solar cells; Interface modification; surface potential; grain boundaries
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