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Citation: ZHU Lu, MA Xiao-Mei, ZHENG Zhen, TANG Xiao-Zhen. Preparation of Novel Electroluminescence Copolymers Poly((p-phenylene vinylene)-b-Polyethylene oxide) Containing Ion Transport Segments[J]. Chinese Journal of Applied Chemistry, ;2004, 21(11): 1155-1159. shu

Preparation of Novel Electroluminescence Copolymers Poly((p-phenylene vinylene)-b-Polyethylene oxide) Containing Ion Transport Segments

ZHU Lu ^a ,
MA Xiao-Mei ^a,b ,
ZHENG Zhen ^a ,
TANG Xiao-Zhen ^a,,

1.
a School of Chemistry and Chemical Technology, Shanghai Jiaotong University, Shanghai 200240;
2.
b School of Chemical Engineering, Qingdao University, Qingdao

Corresponding author: TANG Xiao-Zhen,
Received Date: 28 December 2003
Available Online: 18 May 2004

Multi-block copolymer poly(p-phenylene vinylene-co-poly(ethylene oxide))(PPVEO200 and PPVEO600) was synthesized by Wittig reaction. PPVEO600 showed better thermal and electroluminscence properties than PPVEO200, and the aggregated structure of PPVEO600 was reticulated through physical crosslinking point. PPVEO600 exhibits a glass transition temperature of -46.3℃, and shows high conductivity after electrochemically doped with LiClO₄. The LEC device (ITO/PPVEO600(LiClO₄)/Au) was fabricated, which showed a turn-on voltage at 2.6 V for both current and light emission. The maximum electroluminescence (EL) efficiency of the LECs device was 2.13 cd/A at 3.2 V.
- poly(p-phenylene vinylene),
- poly(ethylene oxide),
- block copolymer,
- electroluminescence,
- light-emitting electrochemical cells
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