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

Research output: Contribution to journalArticle

38 Citations (Scopus)

Abstract

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.

Original languageEnglish
Pages (from-to)5220-5223
Number of pages4
JournalPolymer Chemistry
Volume4
Issue number20
DOIs
Publication statusPublished - Oct 21 2013
Externally publishedYes

Fingerprint

Thiophenes
Thiophene
Polymers
Energy gap
Thiazoles
Hole mobility
Ladders
Conversion efficiency
Polymer solar cells
Equipment and Supplies

ASJC Scopus subject areas

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

Cite this

Xu, Y. X., Chueh, C. C., Yip, H. L., Chang, C. Y., Liang, P. W., Intemann, J. J., ... 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

Indacenodithieno[3,2-b]thiophene-based broad bandgap polymers for high efficiency polymer solar cells. / Xu, Yun Xiang; Chueh, Chu Chen; Yip, Hin Lap; Chang, Chih Yu; Liang, Po Wei; Intemann, Jeremy J.; Chen, Wen Chang; Jen, Alex K Y.

In: Polymer Chemistry, Vol. 4, No. 20, 21.10.2013, p. 5220-5223.

Research output: Contribution to journalArticle

Xu, YX, Chueh, CC, Yip, HL, Chang, CY, Liang, PW, Intemann, JJ, Chen, WC & Jen, AKY 2013, 'Indacenodithieno[3,2-b]thiophene-based broad bandgap polymers for high efficiency polymer solar cells', Polymer Chemistry, vol. 4, no. 20, pp. 5220-5223. https://doi.org/10.1039/c3py00121k
Xu, Yun Xiang ; Chueh, Chu Chen ; Yip, Hin Lap ; Chang, Chih Yu ; Liang, Po Wei ; Intemann, Jeremy J. ; Chen, Wen Chang ; Jen, Alex K Y. / Indacenodithieno[3,2-b]thiophene-based broad bandgap polymers for high efficiency polymer solar cells. In: Polymer Chemistry. 2013 ; Vol. 4, No. 20. pp. 5220-5223.
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