From binary to ternary solvent: Morphology fine-tuning of D/A blends in PDPP3T-based polymer solar cells

  • Long Ye
  • , Shaoqing Zhang
  • , Wei Ma
  • , Benhu Fan
  • , Xia Guo
  • , Ye Huang
  • , Harald Ade
  • , Jianhui Hou

Research output: Contribution to journalArticlepeer-review

300 Scopus citations

Abstract

For the PDPP3T/PCBM system investigated here, atomic force microscopy, resonant soft X-ray scattering, and grazing incidence wide angle X-ray scattering are used as an initial set of tools to determine the surface texture, the bulk compositional morphology, and the crystallization behavior, respectively. We find systematic variations and relate them to device performance. A solvent mixture of DCB/CF/DIO = 76:19:5 (v/v/v) yields a PCE of 6.71%.

Original languageEnglish
Pages (from-to)6335-6341
Number of pages7
JournalAdvanced Materials
Volume24
Issue number47
DOIs
StatePublished - 11 Dec 2012
Externally publishedYes

Keywords

  • diketopyrrolopyrrole
  • domain purity
  • morphology
  • polymer solar cells
  • ternary mixed solvent

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