Efficient light-emitting electrochemical cells using small molecular weight, ionic, host-guest systems

Antonio Pertegás , Michael Yin Wong, Michele Sessolo, Eli Zysman-Colman, Henk J. Bolink

Research output: Contribution to journalArticlepeer-review

21 Citations (Scopus)
3 Downloads (Pure)

Abstract

Light-emitting electrochemical cells (LECs) based on fluorescent host-guest small molecules system are reported. The LECs show electroluminescence coming solely from the guest, with an external quantum efficiency (EQE) of 2.0%, which is very close to the theoretical maximum EQE (2.2%) for this particular system. This work demonstrates the possibility to obtain high efficiency devices employing low-cost materials, making host-guest systems a real alternative to more traditional semiconducting polymer or transition metal compounds.
Original languageEnglish
Pages (from-to)R3160-R3163
JournalECS Journal of Solid State Science and Technology
Volume5
Issue number1
Early online date16 Oct 2015
DOIs
Publication statusPublished - 2016

Keywords

  • Electroluminescence
  • LEC
  • Light emitting electrochemical cell

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