Near-infrared emission from tris(8-hydroxyquinoline) aluminum based microcavity light emitting diodes

A. B. Djurišić, C. Y. Kwong, C. H. Cheung, Hoi Lam TAM, Kok Wai CHEAH, Z. T. Liu, W. K. Chan, P. C. Chui

Research output: Contribution to journalArticlepeer-review

7 Citations (Scopus)

Abstract

Organic microcavity devices emitting in the near-infrared spectral region were fabricated. The devices consisted of two metal mirrors and two organic layers, N,N′-di(naphthalene-1-yl)-N,N′-diphenylbenzidine (NPB) as a hole transport layer and tris (8-hydroxyquinoline) (Alq) as emitting layer. Two different metals, copper and silver, were used as a bottom mirror, while silver was used as a top mirror. The devices were studied using reflectance, photoluminescence, and electroluminescence measurements. Angular dependence of the emission was also investigated. The origin and properties of this infrared emission are discussed.

Original languageEnglish
Pages (from-to)446-450
Number of pages5
JournalChemical Physics Letters
Volume399
Issue number4-6
DOIs
Publication statusPublished - 1 Dec 2004

Scopus Subject Areas

  • Physics and Astronomy(all)
  • Physical and Theoretical Chemistry

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