UV-Vis absorption and photoluminescence characteristics of doped organic solid depend on its doping concentration

Young Wook Park, Young Mm Kim, Jin Hwan, Byeong Kwon Ju

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Wéve studied the influence of doping concentration with UV-Vis absorption spectra analysis and their photoluminescence (PL) characteristics. With applying variations of doping concentration, co-doped organic solid films were prepared. The host material was Tris-(8-hydroxyquinoline) aluminum and the two dopants were N, Ǹ-dimethyl-quinacridone and 1 O-(2-Benzothiazolyl)-2, 3,6,7- tetrahydro-1 , 1 ,7,7,-tetramethyl-1 H,5H, 11 H-[1 ]benzopyrano[6,7,8-ij] quinolizin-1 1-one. The PL characteristics showed its dependence on doping concentration, as doping concentration changes the PL changed also, and it showed certain trend in intensity. The trend was in agreement with previous study of single-doped and co-doped organic light-emitting diode (OLED) in previous works. This shows PL could be an effective way for estimate the performance of doped OLED.

Original languageEnglish
Pages (from-to)1607-1610
Number of pages4
JournalJournal of Nanoscience and Nanotechnology
Volume9
Issue number2
DOIs
Publication statusPublished - 2009 Feb 1

Fingerprint

organic solids
Photoluminescence
Doping (additives)
photoluminescence
Light
Organic light emitting diodes (OLED)
Spectrum Analysis
light emitting diodes
trends
spectrum analysis
Spectrum analysis
Absorption spectra
aluminum
absorption spectra
Aluminum
estimates
quinacridone
tris-(8-hydroxyquinoline)aluminum

Keywords

  • Doped-Organic light-Emitting diode
  • Organic solid
  • Photoluminescence

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Chemistry(all)
  • Materials Science(all)
  • Bioengineering
  • Biomedical Engineering

Cite this

UV-Vis absorption and photoluminescence characteristics of doped organic solid depend on its doping concentration. / Park, Young Wook; Kim, Young Mm; Hwan, Jin; Ju, Byeong Kwon.

In: Journal of Nanoscience and Nanotechnology, Vol. 9, No. 2, 01.02.2009, p. 1607-1610.

Research output: Contribution to journalArticle

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