Investigation of multifunctional, light-emitting dendrimers: Effect of dendritic wedge

Chi Chung Kwok, Ricky M S WONG*

*Corresponding author for this work

Research output: Contribution to journalConference articlepeer-review

5 Citations (Scopus)

Abstract

A novel series of multi-functional, light-emitting distyrylstilbenes (DSB) with only one end incorporated with first-generation or second-generation propoxy surface functionalized poly(benzylether) type dendritic wedges has been synthesized. They show very similar absorption and emission behavior in both solution and solid-state with comparable energy transfer efficiency and photoluminescence quantum efficiency as compared with the corresponding two-side dendritic wedges substituted counterparts. Single-layer light-emitting diodes using dendritic DSB doped poly(N-vinylcarbazole) (PVK) film as an emissive layer with structure of (ITO/DSB:PVK/Al) have been fabricated and investigated. Interestingly, LEDs based on these dendrimers exhibit better device performance than those of the two-side dendritic wedges substituted dendrimers.

Original languageEnglish
Pages (from-to)136-142
Number of pages7
JournalThin Solid Films
Volume417
Issue number1-2
DOIs
Publication statusPublished - 30 Sep 2002
EventProceedings of the International Conference on Materials for - Singapore, Singapore
Duration: 1 Jul 20016 Jul 2001

Scopus Subject Areas

  • Electronic, Optical and Magnetic Materials
  • Surfaces and Interfaces
  • Surfaces, Coatings and Films
  • Metals and Alloys
  • Materials Chemistry

User-Defined Keywords

  • Dendrimer
  • Distyrylstilbene
  • Light-emitting diode
  • Luminescence

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