화학공학소재연구정보센터
학회 한국고분자학회
학술대회 2007년 가을 (10/11 ~ 10/12, 일산킨텍스)
권호 32권 2호
발표분야 분자전자 소재 및 소자 기술(분자전자 부문위원회)
제목 HIGH-EFFICIENCY POLYMER TANDEM SOLAR CELLS FABRICATED BY ALL-SOLUTION PROCESSING
초록 Tandem solar cells with a power conversion efficiency of 6.5%, with each layer processed from solution, were fabricated using bulk heterojunction materials comprising semiconducting polymers and fullerene derivatives. A transparent titanium oxide (TiOx) layer is used to separate and connect the front cell and the back cell. The TiOx layer serves as an electron transport and collecting layer for the first cell and as a stable foundation that enables the fabrication of the second cell to complete the tandem cell architecture. We use an inverted structure with the low band-gap polymer/fullerene compositeas the charge separating layer in the front cell and the high band-gap polymer composite as the charge separating layer in the back cell.
저자 Kwanghee Lee1, Jin Young Kim2, Alan J. Heeger3
소속 1Department of Materials Science and Engineering, 2GIST / Center for Polymers and Organic Solids, 3Univ. of California at Santa Barbara
키워드 TANDEM SOLAR CELLS; ALL-SOLUTION PROCESSING
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