Synthesis of PPV-PTV alternating copolymer and EL devices using the polymer

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An alternating copolymer of PPV and PTV, poly[2-methoxy-5-(3,7-dimethyl)octyloxy-1,4-phenylenevinylenealt-2,5-thienylenevinylene] (DAPPV-PTV) has been synthesized and light-emitting properties of the polymer have been studied. A single layer EL device using DAPPV-PTV as an emitting layer between ITO and Al electrodes (ITO/DAPPV-PTV/Al) has been fabricated, and light emission of the device becomes visible at 3 V. The EL emission maximum of the device is about 620 nm. Double layer EL device using DAPPV-PTV and Alq(3) (ITO/DAPPV-PTV/Alq(3)/Al) has also been fabricated. The double layer EL device shows two-color emission depending on the applied voltage. The device emits a pale green color from 8 V, and then the color turns to red at about 18 V.
Publisher
KOREAN CHEMICAL SOC
Issue Date
1998-03
Language
English
Article Type
Article
Keywords

LIGHT-EMITTING-DIODES; BLEND; BLUE; ELECTROLUMINESCENCE; EMISSION

Citation

BULLETIN OF THE KOREAN CHEMICAL SOCIETY, v.19, no.3, pp.332 - 335

ISSN
0253-2964
URI
http://hdl.handle.net/10203/78099
Appears in Collection
CH-Journal Papers(저널논문)
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