Simple, fast, bright, and stable light sources

Daniel Tordera, Sebastian Meier, Martijn Lenes, Rubén D. Costa, Enrique Ortí, Wiebke Sarfert, Henk J. Bolink

Research output: Contribution to journalArticlepeer-review

151 Scopus citations


In this work we show that solution-processed light-emitting electrochemical cells (LECs) based on only an ionic iridium complex and a small amount of ionic liquid exhibit exceptionally good performances when applying a pulsed current: sub-second turn-on times and almost constant high luminances (>600 cd m -2) and power efficiencies over the first 600 h. This demonstrates the potential of LECs for applications in solid-state signage and lighting.

Original languageEnglish
Pages (from-to)897-900
Number of pages4
JournalAdvanced Materials
Issue number7
StatePublished - 14 Feb 2012
Externally publishedYes


  • LEC
  • driving modes
  • electroluminescent devices
  • light-emitting electrochemical cells
  • pulsed driving


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