화학공학소재연구정보센터
학회 한국고분자학회
학술대회 2011년 가을 (10/06 ~ 10/07, 김대중 컨벤션센터)
권호 36권 2호
발표분야 유기전자소자용 소재 및 소자(분자전자소재 부문위원회)
제목 Cathode-Independent Polymer Solar Cells Integrated with Composites of Metal Oxide and Metal Carbonate as an Electron Transport Material
초록 Sol-gel processed metal oxides doped with metal carbonates are developed as electron transport materials for efficient polymer solar cells based on poly(3-hexylthiophene) in bulk-heterojunction composite with fullerene derivative [6,6]-phenyl C71-butyric acid methyl ester (P3HT:PC70BM). The doped metal oxides can be solution-processed on hydrophobic active layer and form strong interfacial dipole because of the amphiphilic property of metal oxides and the strong interfacial dipoles of metal carbonates. By introducing the doped metal oxides layer between the active layer and the high work function cathode (e.g., Ag or Cu), we demonstrate cathode-independent PSCs with comparable power conversion efficiencies to conventional devices with low work function cathode (e.g, Al).
저자 강홍규, 김근진, 홍순일, 김용희, 이진호, 이광희
소속 광주과학기술원
키워드 polymer solar cell; cathode-independent; metal oxide; metal carbonate
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