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首页> 外文期刊>Polymers for advanced technologies >Synthesis, characterization, and electroluminescence of new conjugated PPV derivatives bearing triphenylamine side-chain through a vinylene bridge
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Synthesis, characterization, and electroluminescence of new conjugated PPV derivatives bearing triphenylamine side-chain through a vinylene bridge

机译：合成，表征和电致发光的新型共轭PPV衍生物通过亚乙烯基桥带有三苯胺侧链

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摘要

Three new conjugated poly(p-phenylene vinylene) (PPV) derivatives bearing triphenylamine sidechain through a vinylene bridge, poly(2-(4'-(diphenylamino)phenylenevinyl)-1,4-phenylenevinylene) (DP-PPV), poly(2-(3'-(3",7"-dimethyloctyloxy)phenyl)-1,4-phenylenevinylene-alt-2-(4'-(diphenylamino)phenylenevinyl)-1,4-phenylenevinylene) (DODP-PPV), and poly(2-(4'-(diphenylamino) phenylenevinyl)-1,4-phenylenevinylene-co-2-(3',5'-bis(3",7"-dimethyloctyloxy)-1,4-phenylenevinylene) (DP-co-BD-PPV), were synthesized according to the Gilch or Wittig method. Among the three polymers, the copolymer DP-co-BD-PPV is soluble in common solvents with good thermal stability with 5% weight loss at temperatures higher than 386℃. The weight-average molecular weight (M{sub}w) and polydispersity index (PDI) of DP-co-BD-PPV were 1.83×10{sup}5 and 2.33, respectively. The single-layer polymer light-emitting diodes (PLEDs) with the configuration of Indium tin oxide (ITO)/poly (3,4-ethylenedioxythiophene): poly(4-styrene sulfonate)(PEDOT:PSS)/DP-co-BD-PPV/ Ca/Al were fabricated. The PLED emitted yellow-green light with the turn-on voltage of ca. 4.9 V, the maximum luminance of ca. 990 cd/m{sup}2 at 15.8 V, and the maximum electroluminescence (EL) efficiency of 0.22 cd/A.
机译：三种新的通过亚乙烯基桥带有三苯胺侧链的共轭聚（对亚苯基亚乙烯基）（PPV）衍生物，聚（2-（4'-（二苯基氨基）亚苯基乙烯基）-1,4-亚苯基亚乙烯基）（DP-PPV）， 2-（3'-（3“，7”-二甲基辛氧基氧基）苯基）-1,4-亚苯基亚乙烯基-alt-2-（4'-（（二苯基氨基）亚苯基乙烯基）-1,4-亚苯基亚乙烯基）（DODP-PPV），和聚（2-（4'-（二苯氨基）亚苯基乙烯基）-1,4-亚苯基亚乙烯基-co-2-（3'，5'-双（3“，7”-二甲基辛氧基）-1,4-亚苯基亚乙烯基）（ DP-co-BD-PPV）是根据Gilch或Wittig方法合成的，在这三种聚合物中，共聚物DP-co-BD-PPV可溶于普通溶剂中，具有良好的热稳定性，在较高温度下失重5％ DP-co-BD-PPV的重均分子量（M {sub} w）和多分散指数（PDI）分别为1.83×10 {sup} 5和2.33。氧化铟锡（ITO）/聚（3,4-乙撑二氧噻吩）构型的PLEDs：聚（4-苯乙烯）制备了磺酸盐（PEDOT：PSS）/ DP-co-BD-PPV / Ca / Al。 PLED发出黄绿色的光，其开启电压约为。 4.9 V，最大亮度约为在15.8 V时为990 cd / m {sup} 2，最大电致发光（EL）效率为0.22 cd / A。

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