Fused pyrrolo[3,2-d

4,5-d′]bisthiazole-containing polymers for using in high-performance organic bulk heterojunction solar cells

Ruidong Xia, Mohammed Al-Hashimi, Wing C. Tsoi, Martin Heeney, Donal D C Bradley, Jenny Nelson

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

We report a series of fused pyrrolo[3,2-d:4,5-d′]bisthiazole (PBTz)-containing polymers as OPV donor materials, which exhibit a combination of small optical band gap, good solubility and relatively high molecular weight. The performance of the organic photovoltaic cells (OPV) made using the PBTz-containing polymers is studied. The highest performance was obtained with the polymer exhibiting the strongest crystallinity in the blend film, a PBTz-fused bithiophene polymer. Blend devices made from this polymer with PC70BM delivered a short-circuit current density of up to 9.4 mA cm-2, an open-circuit voltage of 0.61 V, a fill factor of 53% and a power conversion efficiency of 3%.

Original languageEnglish
Pages (from-to)112-116
Number of pages5
JournalSolar Energy Materials and Solar Cells
Volume96
Issue number1
DOIs
Publication statusPublished - 1 Jan 2012
Externally publishedYes

Fingerprint

Heterojunctions
Solar cells
Polymers
Photovoltaic cells
Polymer blends
Optical band gaps
Open circuit voltage
Short circuit currents
Conversion efficiency
Current density
Solubility
Molecular weight

Keywords

  • Absorbance spectra
  • Crystallization
  • External quantum efficiency
  • Low band gap
  • Organic solar cells

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Renewable Energy, Sustainability and the Environment
  • Surfaces, Coatings and Films

Cite this

Fused pyrrolo[3,2-d : 4,5-d′]bisthiazole-containing polymers for using in high-performance organic bulk heterojunction solar cells. / Xia, Ruidong; Al-Hashimi, Mohammed; Tsoi, Wing C.; Heeney, Martin; Bradley, Donal D C; Nelson, Jenny.

In: Solar Energy Materials and Solar Cells, Vol. 96, No. 1, 01.01.2012, p. 112-116.

Research output: Contribution to journalArticle

Xia, Ruidong ; Al-Hashimi, Mohammed ; Tsoi, Wing C. ; Heeney, Martin ; Bradley, Donal D C ; Nelson, Jenny. / Fused pyrrolo[3,2-d : 4,5-d′]bisthiazole-containing polymers for using in high-performance organic bulk heterojunction solar cells. In: Solar Energy Materials and Solar Cells. 2012 ; Vol. 96, No. 1. pp. 112-116.
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