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Electroluminescent properties of heterocyclic conjugated random copolymers containing phenothiazine and carbazole moieties
- Author(s)
- Han, Yoon Soo, Kim, Hoyoung, Seo, Hyeon Jin, Kwon, Younghwan, Hur, Youngjune, Kim, Dong-Uk, Kim, Jung Moo, Kim, Hyun Suk, Park, Lee Soon
- Issued Date
- 2006-12
- Citation
- MOLECULAR CRYSTALS AND LIQUID CRYSTALS, v.459, pp.129 - 140
- Abstract
- Electroluminescent properties of polymer light-emitting diode (PLED)s fabricated from heterocyclic conjugated random copolymers, poly(PZV-ran-CZV), containing (N-2-ethylhexyl)-3,6-phenothiazinylene vinylene (PZV), (N-2-ethylhexyl)-3,6-carbazolylene vinylene (CZV) and phenylene vinylene (PV) unit as a light emitting layer were investigated. PLEDs made with corresponding alternating copolymers, poly(PZV-PV) and poly(CZV-PV), as a light emitting layer were also studied and exhibited EL maximum at 570 nm and 500 nm, respectively. Single-layered PLEDs made with poly(PZV-ran-CZV) copolymers, however, showed EL maxima shifted to longer wavelength. Double-layered PLED made with poly(PZV-ran-CZV) copolymer as a light emitting layer and Alq(3) as an electron transporting layer exhibited enhanced EL emission compared to that of single-layered PLED
- Publisher
- TAYLOR & FRANCIS LTD
- ISSN
- 1542-1406
- Keyword (Author)
- carbazolylene vinylene, heterocyclic conjugated copolymer, Horner-Emmons reaction, phenothiazinylene vinylene, polymer light-emitting diode
- Keyword
- LIGHT-EMITTING-DIODES, CONFINEMENT, DEVICES, LAYER
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