Synthesis and luminescence properties of new blue-light-emitting polyconjugated poly{1,1′-biphenyl-4,4′-diyl-[1-(4-t-butylphenyl)] vinylene} polymers and copolymers

Chang Gyu Kim, Sung Hoon Joo, Cheol-Hong Cheon, Mi Yun Jeong, Soon Wook Cha, Byung Hee Sohn, Jung Il Jin

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Abstract

Three new soluble polyconjugated polymers, all of which emitted blue light in photoluminescence and electroluminescence, were synthesized, and their luminescence properties were studied. The polymers were poly{1,1′- biphenyl-4,4′-diyl-[1-(4-t-butylphenyl)]vinylene(, poly((9,9- dioctylfluorene-2,7-diyl)-alt-{1,4-phenylene-[1-(4-t-butylphenyl)vinylene-1, 4-phenylene]}) [P(DOF-PVP)], and poly([N-(2-ethyl) hexylcarbazole-3,6-diyl]-alt- {1,4-phenylene-[1-(4-t-butylphenyl)]vinylene-1,4-phenylene}). The last two polymers had alternating sequences of the two structural units. Among the three polymers, P(DOF-PVP) performed best in the light-emitting diode devices of indium-tin oxide/poly(ethylenedioxythiophene) doped with poly(styrene sulfonate) (30 nm)/polymer (150 nm)/Li:Al (100 nm). This might have been correlated with the balance in and magnitude of the mobility of the charge carriers, that is, positive holes and electrons, and also the electronic structure, that is, highest occupied molecular orbital (HOMO) and lowest unoccupied molecular orbital (LUMO) levels, of the polymers.

Original languageEnglish
Pages (from-to)307-317
Number of pages11
JournalJournal of Applied Polymer Science
Volume100
Issue number1
DOIs
Publication statusPublished - 2006 Apr 5

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Luminescence
Polymers
Copolymers
Molecular orbitals
Styrene
Electroluminescence
Tin oxides
Charge carriers
Indium
Electronic structure
Light emitting diodes
diphenyl
Photoluminescence
Electrons

ASJC Scopus subject areas

  • Polymers and Plastics

Cite this

Synthesis and luminescence properties of new blue-light-emitting polyconjugated poly{1,1′-biphenyl-4,4′-diyl-[1-(4-t-butylphenyl)] vinylene} polymers and copolymers. / Kim, Chang Gyu; Joo, Sung Hoon; Cheon, Cheol-Hong; Jeong, Mi Yun; Cha, Soon Wook; Sohn, Byung Hee; Jin, Jung Il.

In: Journal of Applied Polymer Science, Vol. 100, No. 1, 05.04.2006, p. 307-317.

Research output: Contribution to journalArticle

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abstract = "Three new soluble polyconjugated polymers, all of which emitted blue light in photoluminescence and electroluminescence, were synthesized, and their luminescence properties were studied. The polymers were poly{1,1′- biphenyl-4,4′-diyl-[1-(4-t-butylphenyl)]vinylene(, poly((9,9- dioctylfluorene-2,7-diyl)-alt-{1,4-phenylene-[1-(4-t-butylphenyl)vinylene-1, 4-phenylene]}) [P(DOF-PVP)], and poly([N-(2-ethyl) hexylcarbazole-3,6-diyl]-alt- {1,4-phenylene-[1-(4-t-butylphenyl)]vinylene-1,4-phenylene}). The last two polymers had alternating sequences of the two structural units. Among the three polymers, P(DOF-PVP) performed best in the light-emitting diode devices of indium-tin oxide/poly(ethylenedioxythiophene) doped with poly(styrene sulfonate) (30 nm)/polymer (150 nm)/Li:Al (100 nm). This might have been correlated with the balance in and magnitude of the mobility of the charge carriers, that is, positive holes and electrons, and also the electronic structure, that is, highest occupied molecular orbital (HOMO) and lowest unoccupied molecular orbital (LUMO) levels, of the polymers.",
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AB - Three new soluble polyconjugated polymers, all of which emitted blue light in photoluminescence and electroluminescence, were synthesized, and their luminescence properties were studied. The polymers were poly{1,1′- biphenyl-4,4′-diyl-[1-(4-t-butylphenyl)]vinylene(, poly((9,9- dioctylfluorene-2,7-diyl)-alt-{1,4-phenylene-[1-(4-t-butylphenyl)vinylene-1, 4-phenylene]}) [P(DOF-PVP)], and poly([N-(2-ethyl) hexylcarbazole-3,6-diyl]-alt- {1,4-phenylene-[1-(4-t-butylphenyl)]vinylene-1,4-phenylene}). The last two polymers had alternating sequences of the two structural units. Among the three polymers, P(DOF-PVP) performed best in the light-emitting diode devices of indium-tin oxide/poly(ethylenedioxythiophene) doped with poly(styrene sulfonate) (30 nm)/polymer (150 nm)/Li:Al (100 nm). This might have been correlated with the balance in and magnitude of the mobility of the charge carriers, that is, positive holes and electrons, and also the electronic structure, that is, highest occupied molecular orbital (HOMO) and lowest unoccupied molecular orbital (LUMO) levels, of the polymers.

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