Theoretical investigation of the spin-dependent exciton formation rates in polymeric light-emitting diodes

Zhigang Shuai*, Shiwei Yin, Liping Chen, Aijun Ye, David Beljonne, Jean-Luc Bredas

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

First, a brief review is given, of recent experimental and theoretical progress in the determination of the spin-dependent exciton formation rates in electroluminescent π-conjugated polymers. We then describe our recent development of the coupled-cluster equation of motion method, and present its application to the theoretical study of singlet and triplet exciton formation rates and polymer light-emitting diode quantum efficiency. It is found that, in general, singlet excitons can be formed with a higher yield than triplet excitons. The underlying mechanism is still a matter of debate. Here, we explore the role of inter-chain charge-bond correlation effects.

Original languageEnglish (US)
Pages (from-to)691-702
Number of pages12
JournalJournal of the Chinese Chemical Society
Volume50
Issue number3 B
DOIs
StatePublished - Jan 1 2003

Keywords

  • Coupled-cluster
  • Exciton formation
  • Light-emitting diodes
  • Rate

ASJC Scopus subject areas

  • Chemistry(all)

Fingerprint

Dive into the research topics of 'Theoretical investigation of the spin-dependent exciton formation rates in polymeric light-emitting diodes'. Together they form a unique fingerprint.

Cite this