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Yang, Changduk
Advanced Tech-Optoelectronic Materials Synthesis Lab (ATOMS)
Research Interests
  • Optoelectronic materials synthesis/organic electronics, functionalization of carbonaceous solids, advanced materials chemistry, macromolecular chemistry

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A First Approach to White Organic Electroluminescence Device from a Single Rod-Coil Poly[thiophene-block-(N-vinylcarbazole)] Diblock Copolymer

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Title
A First Approach to White Organic Electroluminescence Device from a Single Rod-Coil Poly[thiophene-block-(N-vinylcarbazole)] Diblock Copolymer
Author
Kim, Jin YoungYang, ChangdukHeo, MiheeKim, Jonggi
Keywords
Diblock copolymer; Driving voltages; Dual emissions; Low bandgap; Molecular architecture; N-vinylcarbazole; New strategy; Organic electroluminescence devices; Poly(N-vinylcarbazole); Poly-3-hexylthiophene; Poly-thiophene; Rod-coil; Rod-coil block copolymer; Self-assembled; White emissions; White organic light emitting diodes; Wide band gap
Issue Date
2010-12
Publisher
WILEY-V C H VERLAG GMBH
Citation
MACROMOLECULAR RAPID COMMUNICATIONS, v.31, no.23, pp.2047 - 2052
Abstract
A rod-coil block copolymer consisting of poly(3-hexylthiophene) (P3HT) and poly(N-vinylcarbazole) (PVK) (P3HT-b-PVK) in a single molecular architecture is prepared as the first example for WOLEDs. By obtaining the phase separated domains in thin film of the resulting block copolymer, it is possible to suppress energy transfer from PVK as wide bandgap units to P3HT as low bandgap blocks, yielding dual emissions for white electroluminescence with CIE coordination of (0.34, 0.33).
URI
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DOI
10.1002/marc.201000398
ISSN
1022-1336
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ECHE_Journal Papers
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