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Park, Lee Soon
School of Materials Science and Engineering
Research Interests
  • Flexible OLED new materials, process and fabrication
  • Touch Screen Panel(TSP) new materials and process new materials and process
  • Nano-materials synthesis and application (Ag nano-wire and metal mesh electrode)

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Blue emitting polymers as host materials of phosphorescent dopant and their electroluminescent properties

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Title
Blue emitting polymers as host materials of phosphorescent dopant and their electroluminescent properties
Author
Han, Yoon SooKim, Sang WooKwon, YounghwanPark, Lee Soon
Keywords
blue emitting host polymer; phosphorescent dopant; phosphorescent organic light emitting diode (PhOLED); polymer light emitting diode (PLED)
Issue Date
2005-01
Publisher
TAYLOR & FRANCIS LTD
Citation
MOLECULAR CRYSTALS AND LIQUID CRYSTALS, v.443, no., pp.9 - 23
Abstract
Two types of blue electroluminescent conjugated polymers, poly(BP- alt -BCV) and poly(BFMP12-BPV), were prepared by Horner-Emmons polycondensation and used as host polymers for the phosphorescent dopant, (bsn)(2)Ir(acac). Poly(N -vinylcarbazole) (PVK), known as a blue emitting material, was also used for comparison with these polymers. Electrophosphorescence of PLEDs with these dopant/host systems was investigated in terms of luminescence, efficiency, emission color, and energy transfer. The poly(BP- alt -BCV) showed blue emission of high color purity (x = 0.18, y = 0.19), however, poly(BP- alt -BCV) host/phosphorescent (bsn)(2)Ir(acac) dopant showed red emission (x = 0.60, y = 0.37) due to an efficient energy transfer from poly(BP- alt -BCV) host polymer to phosphorescent (bsn)(2)Ir(acac) dopant.
URI
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DOI
10.1080/15421400500236220
ISSN
1542-1406
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MSE_Journal Papers
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