Cobaltocene-doped viologen as functional components in organic electronics

Chang Su Kim, Stephanie Lee, Leonard L. Tinker, Stefan Bernhard, Yueh Lin Loo

Research output: Contribution to journalArticlepeer-review

46 Scopus citations


Given the energy level alignment between viologen and cobaltocene, cobaltocene readily transfers electrons to the intrinsically insulating viologen, resulting in the formation of an electron transfer complex with high electron density. When cobaltocene-viologen is incorporated as active layers in organic thin-film transistors, the output current of devices scales with increasing cobaltocene concentrations. We further demonstrate that cobaltocene-viologen makes effective electron transport layers in inverted polymer solar cells.

Original languageEnglish (US)
Pages (from-to)4583-4588
Number of pages6
JournalChemistry of Materials
Issue number19
StatePublished - Oct 13 2009

All Science Journal Classification (ASJC) codes

  • General Chemistry
  • General Chemical Engineering
  • Materials Chemistry


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