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Synthesis and Light-Emitting Properties of Polyfluorene Copolymers
- Authors
- Kim, Suk-Kyung; Kim, Jae-Hoon; Hwang, Do-Hoon
- Issue Date
- 2009
- Publisher
- TAYLOR & FRANCIS LTD
- Keywords
- light-emitting diode; polyfluorene copolymer; phenothiazine
- Citation
- MOLECULAR CRYSTALS AND LIQUID CRYSTALS, v.498, pp 306 - 313
- Pages
- 8
- Journal Title
- MOLECULAR CRYSTALS AND LIQUID CRYSTALS
- Volume
- 498
- Start Page
- 306
- End Page
- 313
- ISSN
- 1542-1406
1543-5318
- Abstract
- Poly[9,9-bis(4'-n-octyloxyphenyl)fluorene-2,7-diyl] (PBOPF), and their random copolymers with alkylphenothiazine [poly(BOPF-co-PTZ)], were synthesized through Ni(0) mediated polymerization. Light-emitting devices were fabricated using these polymers in an ITO (indium tin oxide)/PEDOT: PSS/polymer/Ca/Al configuration. Each EL device constructed with a poly(BOPF-co-PTZ) copolymer exhibited significantly enhanced efficiency and brightness compared to devices constructed from the PBOPF homopolymer. The EL device constructed with poly(84BOPF-co-16PTZ) exhibited the highest luminous efficiency and brightness (8,600 cd/m(2) and 2.83 cd/A respectively).
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