Understanding the influence of morphology on poly(3-hexylselenothiophene): PCBM solar cells

Amy M. Ballantyne, Toby A.M. Ferenczi, Mariano Campoy-Quiles, Tracey M. Clarke, Andrea Maurano, Kien Hon Wong, Weimin Zhang, Natalie Stingelin-Stutzmann, Ji Seon Kim, Donal D.C. Bradley, James R. Durrant, Iain McCulloch, Martin Heeney, Jenny Nelson, Steve Tierney, Warren Duffy, Christian Mueller, Paul Smith

Research output: Contribution to journalArticlepeer-review

90 Scopus citations


The microstructure, charge transport and charge dynamics in blend films of P3HS:PCBM in comparison with P3HT:PCBM in attempt to identify the reasons for the poorer performance in P3HS:PCBM photovoltaic devices. P3HT:PCBM and P3HS:PCBM films were imaged using micro-Raman spectroscopy mapping in order to compare microstructure and phase separation. Both polymer and polymer:PCBM blend solutions were prepared using chlorobenzene and stirred for 24 h to fully dissolve the polymer. P3HT:PCBM and P3HS:PCBM blend films (1:1) were spin-coated onto quartz substrates from warm solutions. Because of low solubility of P3HS P3HS:PCBM films were spin-coated onto substrates that were 80°C. All films were deposited in a clean room with a filtered air environment. Some blend films were thermally annealed at 140°C for 30 mm in a dry nitrogen environment. The result show that fine control of blend film microstructure through the self-organizing properties of the component materials is essential to realize the potential of new organic photovoltaic materials.

Original languageEnglish (US)
Pages (from-to)1169-1174
Number of pages6
Issue number3
StatePublished - Feb 9 2010
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Organic Chemistry
  • Polymers and Plastics
  • Inorganic Chemistry
  • Materials Chemistry


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