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White Electroluminescent Devices Using Polymer Blends
Cited 7 time in
Web of Science
Cited 7 time in Scopus
- Authors
- Issue Date
- 2003
- Publisher
- Taylor & Francis
- Citation
- Mol. Cryst. Liq. Cryst., 405, 127
- Keywords
- electroluminescence ; polymers blends ; white light-emitting
- Abstract
- White light-emitting devices were fabricated using the blends of blue, green, red emissive polymers of poly[9,9-(2'-ethylhexyl)fluorene] (PEHF), poly(9,9-dioctylfluorene-2,7-vinylene) (POFV), poly(2-(3',7'-dimethyloctyloxy)-5-methoxy-1,4-phenylene-1-cyanovinylene) (CN-PPV) and poly(2-(2'-ethylhexyloxy)-5-methoxy-1,4-phenylenevinylene) (MEH-PPV). Inefficient energy transfers between the blue polymer and the green or the red polymer, which was observed in PL spectra of the blend films, provides a good advantage to get a white light emission due to better blend ratio controllability. The EL devices were fabricated with ITO/PEDOT/blend/Ca/Al configuration and good white light-emission was obtained for a certain blend ratio. The light-emission was observable from 4 V and the maximum brightness of 400 cd/m2was obtained with the device.
- ISSN
- 1542-1406 (Print)
1563-5287 (Online)
- Language
- English
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