화학공학소재연구정보센터
학회 한국고분자학회
학술대회 2019년 가을 (10/09 ~ 10/11, 제주컨벤션센터)
권호 44권 2호
발표분야 분자전자 부문위원회 II
제목 Effect of Mechanical Properties of Active Layer on the Performance of Single-component and Bi-component Polymer Solar Cells
초록 Currently, high-efficient polymer solar cells (PSCs) are made of bulk-heterojunction (BHJ)-type blends of conjugated donor and acceptor, and the BHJ system has a morphological issue due to the random arrangement of components. Therefore, single-component polymer system was introduced as an effective solution. As phase separation and mechanically fragile properties of BHJs lead to loss of performance of PSCs during subsequent operation, D/A interfaces must be modified to improve morphological stability against phase separation and mechanical failure. In this study, mechanical properties of active layer for single- and bi-component polymer solar cells were precisely investigated and enhancement of mechanical durability without loss of the electronic properties was successfully demonstrated. As a result, single-component active layer which exhibited higher device performance than its counterpart showed much enhanced mechanical stabilities and reproducibility of internal phase morphology.
저자 김영언, 박수홍, 권나연, 김형종, 조민주, 최동훈
소속 고려대
키워드 organic semiconductor; photovoltaic properties; mechanical properties
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