Electrogenerated chemiluminescence of pure polymer films and polymer blends

Jiun-Tai Chen*, Ya Lan Chang, Song Guo, Omar Fabian, William M. Lackowski, Paul F. Barbara

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

5 Scopus citations


We recently reported the discovery of soliton-like electrogenerated chemiluminescence (ECL) waves from pure conjugated polymer films and gold-nanoparticles-doped polymer films. In addition to a more detailed study of these polymer systems by changing the film thickness and the distribution of local leaks, we also apply the ECL wave phenomenon to polymer blends of conjugated and nonconjugated polymers. Poly(9,9-dioctylfluorene-co- benzothiadiazole) (F8BT) is used as the active material that is oxidized and produces ECL with the presence of a co-reactant, tri-n-propylamine (TPA). Several factors such as film thickness, artificial leaks, and solubility of doped polymers are examined for their effects on the ECL behavior. When polystyrene (PS), less soluble in the electrolyte, is blended with F8BT, dotted ECL signals are observed and transported as waves. When poly(methyl methacrylate) (PMMA), more soluble in the electrolyte, is blended with F8BT, PMMA serves as local scratches and ECL waves are triggered simultaneously from the whole film.

Original languageEnglish
Pages (from-to)598-603
Number of pages6
JournalMacromolecular Rapid Communications
Issue number7
StatePublished - 4 Apr 2011


  • conjugated polymers
  • electrochemistry
  • nanoparticles
  • photoluminescence
  • polymer blends

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