Enhancement of poly (9,9'-di-n-octylfluorenyl-2.7-diyl) optoelectronic properties in novel conjugated polymer/laser dye hybrid OLEDs

Bandar Ali Al-Asbahi, Mohammad Hafizuddin Jumali, Chi Chin Yap, Muhamad Mat Salleh

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Citations (Scopus)

Abstract

The effect of laser dye (Fluorol 7GA) content on the optoelectronic properties of Poly (9,9'-di-n-octylfluorenyl-2.7-diyl) conjugated polymer (PFO) based OLEDs has been investigated. The PFO/Fluorol 7GA hybrids with weight ratios between 0.1 and 5 wt. % were prepared using the solution blending method. The blends were deposited on ITO (Indium Tin Oxide) substrate using spin-coating technique. Thin layer of aluminum was deposited on top of the films to act as electrode. Absorption and photoluminescence techniques were used to investigate the energy transfer in the blend. The device performance was investigated in terms of electroluminescence, luminance, luminance efficiency and color measurements. The Förster energy transfer occurred in the blends as evidence from optical spectroscopy and average distance between donor and acceptor molecules. The optimum ratio was 0.5 wt. % where highest enhancement in OLEDs performance was observed. These were attributed to the synchronize effect of efficient energy transfer from PFO to Fluorol 7GA and carrier trapping processes.

Original languageEnglish
Title of host publicationMaterials Science Forum
Pages281-288
Number of pages8
Volume756
DOIs
Publication statusPublished - 2013
Event3rd ISESCO International Workshop and Conference on Nanotechnology 2012, IWCN 2012 - Selangor
Duration: 5 Dec 20127 Dec 2012

Publication series

NameMaterials Science Forum
Volume756
ISSN (Print)02555476

Other

Other3rd ISESCO International Workshop and Conference on Nanotechnology 2012, IWCN 2012
CitySelangor
Period5/12/127/12/12

Fingerprint

Dye lasers
Conjugated polymers
Organic light emitting diodes (OLED)
dye lasers
Optoelectronic devices
Energy transfer
energy transfer
luminance
augmentation
Luminance
polymers
Coating techniques
Spin coating
Electroluminescence
Tin oxides
Aluminum
electroluminescence
indium oxides
Indium
tin oxides

Keywords

  • Fluorol 7GA
  • Förster energy transfer
  • OLEDs
  • Optoelectronic properties
  • Poly (9,9'-di-n-octylfluorenyl-2.7-diyl)

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanical Engineering
  • Mechanics of Materials

Cite this

Enhancement of poly (9,9'-di-n-octylfluorenyl-2.7-diyl) optoelectronic properties in novel conjugated polymer/laser dye hybrid OLEDs. / Al-Asbahi, Bandar Ali; Jumali, Mohammad Hafizuddin; Yap, Chi Chin; Mat Salleh, Muhamad.

Materials Science Forum. Vol. 756 2013. p. 281-288 (Materials Science Forum; Vol. 756).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Al-Asbahi, BA, Jumali, MH, Yap, CC & Mat Salleh, M 2013, Enhancement of poly (9,9'-di-n-octylfluorenyl-2.7-diyl) optoelectronic properties in novel conjugated polymer/laser dye hybrid OLEDs. in Materials Science Forum. vol. 756, Materials Science Forum, vol. 756, pp. 281-288, 3rd ISESCO International Workshop and Conference on Nanotechnology 2012, IWCN 2012, Selangor, 5/12/12. https://doi.org/10.4028/www.scientific.net/MSF.756.281
Al-Asbahi, Bandar Ali ; Jumali, Mohammad Hafizuddin ; Yap, Chi Chin ; Mat Salleh, Muhamad. / Enhancement of poly (9,9'-di-n-octylfluorenyl-2.7-diyl) optoelectronic properties in novel conjugated polymer/laser dye hybrid OLEDs. Materials Science Forum. Vol. 756 2013. pp. 281-288 (Materials Science Forum).
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