A spray-processable, low bandgap, and ambipolar donor - Acceptor conjugatedpolymer

Timothy T. Steckler, Xuan Zhang, Jungseek Hwang, Ryan Honeyager, Shino Ohira, Xiao Hong Zhang, Adrian Grant, Stefan Ellinger, Susan A. Odom, Daniel Sweat, David B. Tanner, Andrew G. Rinzler, Stephen Barlow, Jean-Luc Bredas, Bernard Kippelen, Seth R. Marder, John R. Reynolds

Research output: Contribution to journalArticlepeer-review

206 Scopus citations

Abstract

(Figure Presented) Combining a strong donor, tris(dodecyloxy)phenyl)- dithieno[3,2-b:2',3'-d]pyrrole, with a strong acceptor, 4,8-dithien-2-yl-2L4M2- benzo[1,2-c;4,5-c']bis[1,2,5]thiadiazole, has yielded the lowest bandgap, soluble, spray-processable polymer to date. The polymer has access to four different redox states and shows ambipolar behavior in OFETs. Multiple techniques, including transmission/absorption spectroscopy on SWCNTs and reflectance spectroscopy on gold were used to accurately estimate the optical bandgap at 0.5-0.6 eV, which correlates well to theoretical calculations.

Original languageEnglish (US)
Pages (from-to)2824-2826
Number of pages3
JournalJournal of the American Chemical Society
Volume131
Issue number8
DOIs
StatePublished - Mar 4 2009

ASJC Scopus subject areas

  • Catalysis
  • Chemistry(all)
  • Biochemistry
  • Colloid and Surface Chemistry

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