Indacenodithieno[3,2-b]thiophene-based broad bandgap polymers for high efficiency polymer solar cells

Yun Xiang Xu, Chu Chen Chueh, Hin Lap Yip, Chih Yu Chang, Po Wei Liang, Jeremy J. Intemann, Wen Chang Chen, Alex K Y Jen

研究成果: 雜誌貢獻文章

40 引文 斯高帕斯(Scopus)

摘要

Two broad bandgap polymers, poly{(indacenodithieno[3,2-b]thiophene)-alt-[2, 5-bis(thiophen-2-yl)thiazolo[5,4-d]thiazole-5,5′-diyl]} PIDTT-TzTz and poly{(indacenodithieno[3,2-b]thiophene)-alt-[2,5-bis(6-octylthieno[3,2-b] thiophen-2-yl)thiazolo[5,4-d]thiazole-5,5′-diyl]} PIDTT-TzTz-TT, were designed and synthesized by copolymerizing the ladder-type indacenodithieno[3,2- b]thiophene (IDTT) donor with a thiazolothiazole (TzTz) acceptor. Both polymers possess moderate hole-mobilities of around ∼10-4 cm2 V-1 s-1. The polymer solar cells (PSCs) using PIDTT-TzTz-PC71BM as the active layer showed good power conversion efficiencies (PCEs as high as 5.53% and 5.90%) in both conventional and inverted devices, without using any solvent additives. These results demonstrate that these broad bandgap PIDTT-TzTz polymers have potential to be used as a front cell for polymer tandem cells.
原文英語
頁(從 - 到)5220-5223
頁數4
期刊Polymer Chemistry
4
發行號20
DOIs
出版狀態已發佈 - 十月 21 2013
對外發佈Yes

ASJC Scopus subject areas

  • Bioengineering
  • Biochemistry
  • Biomedical Engineering
  • Polymers and Plastics
  • Organic Chemistry

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    Xu, Y. X., Chueh, C. C., Yip, H. L., Chang, C. Y., Liang, P. W., Intemann, J. J., Chen, W. C., & Jen, A. K. Y. (2013). Indacenodithieno[3,2-b]thiophene-based broad bandgap polymers for high efficiency polymer solar cells. Polymer Chemistry, 4(20), 5220-5223. https://doi.org/10.1039/c3py00121k