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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 19, Number 3
BKCSDE 19(3)
March 20, 1998

Title	Synthesis of PPV-PTV Alternating Copolymer and EL Devices Using the Polymer
Author	Do-Hoon Hwang*, Sang-Don Jung, Lee-Mi Do, Taek Ahn, Hong-Ku Shim, Taehyoung Zyung
Keywords
Abstract	An alternating copolymer of PPV and PTV, poly[2-methoxy-5-(3,7-dimethyl)octyloxy-1,4-pheny lenevinylene-alt-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 Alq3 (ITO/DAPPV-PTV/Alq3/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.
Page	332 - 335
Full Text	PDF

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