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Citation: DU Xue-Feng, MO Yue-Qi, TIAN Ren-Yu, CAO Yong. Synthesis and Blue Electroluminescent Properties of Copolymers Derived from P(m-phenylene) and Thiophene[J]. Chinese Journal of Applied Chemistry, ;2007, 24(12): 1359-1363. shu

Synthesis and Blue Electroluminescent Properties of Copolymers Derived from P(m-phenylene) and Thiophene

1.
Institute of Polymer Optoelectronic Materials and Devices, MOE, Key Laboratory of Specialty Functional Materials, South China University of Technology, Guangzhou 510640

Corresponding author: MO Yue-Qi,
Received Date: 15 January 2007
Available Online: 18 May 2007
Fund Project: 国家自然科学基金(90201031和20674021)资助项目 (90201031和20674021)

A series of m-phenylene based copolymers containing a small fraction of thiophene derivative moieties poly[5-(2-ethylhexyloxy)-1,3-phenylene-co-(2,5-diphenylene-4-yl-thiophene)](PmP-DPT) was synthesized by means of Yamamoto coupling reaction.These copolymers were characterized by UV-Vis absorption spectra and photoluminescent spectra.Polymer light-emitting diodes(PLED) were fabricated to investigate the electroluminescent properties.It was found that the thiophene derivative moieties became the new emitter via efficient energy transfer from the poly(m-phenylene) segments.With the increase of its feed ratio,the photoluminescence spectra showed red-shift.CIE(0.17,0.13) can be obtained for PmP-DPT1 devices with a quantum efficiency of 0.47%,while CIE(0.21,0.36) can be obtained for PmP-DPT10 devices with a quantum efficiency of 2.59%.
- polymer light-emitting diode,
- poly(m-phenylene),
- thiophene,
- energy transfer,
- blue light-emitting polymer,
- electroluminescence
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Synthesis and Blue Electroluminescent Properties of Copolymers Derived from P(m-phenylene) and Thiophene

南开大学师唯/华北电力大学（保定）刘景维：二维配位聚合物中有序的亲锂冠醚位点用于无枝晶锂沉积

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通讯作者: 陈斌, bchen63@163.com