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Kim, Jin Young
Next Generation Energy Laboratory
Research Interests
  • Polymer solar cells, QD solar cells, organic-inorganic hybrid solar cells, perovskite solar cells, OLEDs, PeLEDs, organic FETs

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Synthesis and characterization of fluorene-carbazole and fluorene-phenothiazine copolymers with carbazole and oxadiazole pendants for organic light emitting diodes

Cited 9 times inthomson ciCited 10 times inthomson ci
Title
Synthesis and characterization of fluorene-carbazole and fluorene-phenothiazine copolymers with carbazole and oxadiazole pendants for organic light emitting diodes
Author
Yamada, ShuheiPark, SeijungSong, SuheeHeo, MiheeShim, Joo YoungJin, YoungeupKim, IlLee, HeesooLee, KyungmeeYoshinaga, KohjiKim, Jin YoungSuh, Hongsuk
Keywords
Carbazole; CIE coordinates; Conjugated backbones; EL devices; EL spectrum; Fluorenes; Hole transporting; Maximum peaks; National television system committees; New series; Oxadiazole pendants; Oxadiazoles; Synthesis and characterizations; White emissions
Issue Date
201012
Publisher
ELSEVIER SCI LTD
Citation
POLYMER, v.51, no.26, pp.6174 - 6181
Abstract
We report the synthesis and characterization of new series of the fluorene based polymers with carbazole and oxadiazole pendants for the generation of the white emission out of the EL device. In the fluorene backbone, hole transporting units such as carbazole or phenothiazine were incorporated to improve the EL brightness and efficiency. The PFCzOxd-co-PCzs and PFCzOxd-co-PPTZs in EL spectra showed maximum peaks at around 430 nm and additional large peaks at around 530 and 500 nm, respectively. In case of PFCzOxd-alt-PCz and PFCzCzPCz-co-PFOxdOxdPCz. the EL spectra of the polymers showed two distinct peaks comprising the maximum at 427 nm, which corresponds to the EL spectra of the conjugated backbone, and additional broad peaks at around 540 and 530 nm, respectively. The CIE coordinates of the devices from PFCzOxd-alt-PCz and PFCzCzPCz-co-PFOxdOxdPCz were (0.28, 0.33) and (0.25, 0.32), respectively, approaching the value of the standard white of National Television System Committee (NTSC) (0.33, 0.33).
URI
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DOI
http://dx.doi.org/10.1016/j.polymer.2010.10.061
ISSN
0032-3861
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