화학공학소재연구정보센터
학회 한국고분자학회
학술대회 2019년 가을 (10/09 ~ 10/11, 제주컨벤션센터)
권호 44권 2호
발표분야 분자전자 부문위원회 II
제목 Roll-to-roll production of flexible perovskite solar cells via gravure printing
초록 Perovskite solar cells (PSCs) have been highlighted as an emerging photovoltaics, especially due to the high efficiency over 24%. The flexibility and solution-processability are the other superior advantages of PSCs, which enable the production of PSCs via high-throughput and low-cost scalable roll-to-roll (R2R) process. In this context, we fabricate the flexible PSCs by utilizing a gravure printing, which has the benefit of direct pattering of the desired layer with arbitrary shape and size, for the first time. Printing inks and processing parameters are optimized to obtain smooth and uniform films. Perovskite are successfully formed by using optimized printing parameters and subsequent antisolvent bathing. SnO2 nanoparticles as an electron-transporting layer, and Spiro-OMeTAD as a hole-transporting layer are also successfully printed. The resulting devices showed over 17% of PCE. Furthermore, flexible PSCs are produced via R2R process based on the gravure printing.
저자 김영윤, 양태열, 박은영, 방수미, 송슬기, 서장원
소속 한국화학(연)
키워드 Roll-to-roll process; gravure printing; perovskite solar cells; flexible perovskite solar cells
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