| 학회 |
한국고분자학회 |
| 학술대회 |
2015년 가을 (10/06 ~ 10/08, 대구컨벤션센터(EXCO)) |
| 권호 |
40권 2호 |
| 발표분야 |
분자전자 부문위원회 II |
| 제목 |
High-efficiency Perovskite Solar cells and Light-emitting Diodes via Morphological and Interfacial Control |
| 초록 |
Organic-inorganic hybrid perovskite materials have attracted significant attention from academia and industry because of their unique structural and optoelectronic properties. The ability to achieve a perovskite layer with a uniform morphology, high crystallinity and charge-selective behaviour through interfacial engineering is critical for the preparation of high-efficiency perovskite optoelectronic devices. Here, we enhance the efficiencies of conventional structured perovskite optoelectronics by applying an amine-based solvent treatment and optimising the morphology of the perovskite layers. Such a polar solvent treatment enhances electron injection and extraction and reduces the recombination of photo-generated charges at the interface. In addition, a uniform and dense perovskite layer with full surface coverage was realised using adequate solvent, and nearly full coverage of green EL through the highly uniform morphology of the perovskite layer was observed in perovskite LEDs. |
| 저자 |
송명훈1, 조신욱2, 최경진3, 이도권4, 주재환3, 이승진3, 정의대3, 이보람3, 백계림2, 김다빈3, 유재철5
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| 소속 |
1UNIST, 2울산대, 3unist, 4kist, 5울산과학기술대 |
| 키워드 |
perovskite; light-emitting diodes (LEDs); solar cells
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| E-Mail |
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