화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Journal of Industrial and Engineering Chemistry, Vol.33, 209-220, January, 2016
DOI10.1016/j.jiec.2015.10.010  Export Citation
Deep HOMO polymers comprising anthracene units for bulk heterojunction solar cells
Hyo Yeol Kim, Min Hee Choi, Yong Woon Han, Doo Kyung Moon†, and Jung Rim Haw†
  • Department of Materials Chemistry and Engineering, Konkuk University, 1 Hwayang-dong, Gwangjin-gu, Seoul 143-701, Republic of Korea
E-mail:,
Four anthracene-based D.p.A polymers, poly[anthracene-alt-4,7-bis(thiophen-2-yl)-5,6-bis(octylox-y)benzo[c][1,2,5]thiadiazole] (P1, P3) and Poly[anthracene-alt-4,7-bis(thiophen-2-yl)-5,6-bis(octylox-y)benzo[c][1,2,5]oxadiazole] (P2, P4), were successfully polymerized through Suzuki coupling reaction. The polymers include benzooxaediazole (BO), PAnoBO, and PAnoBO-EH exhibited the deep HOMO level (-5.39 eV or lower) because BO has a lower lying oxidation potential than Benzothiadiazole (BT). BO acceptor enhanced the electron withdrawing property of the polymers, inducing long-wavelength absorption and 0.05.0.1 eV reduction in the band-gap. For solar cells using a PAnoBO:PC71BM (1:4, w/w), the resulting Jsc, Voc, FF, and PCE were 3.1 mA/cm2, 0.74 V, 48.8%, and 1.2%, respectively.
Keywords:Anthracene;Benzooxadiazole;Benzothiadiazole;Side chain manipulation;Bulk heterojunction polymer solar cells
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