Design, synthesis, and electroluminescent property of CN-poly(dihexylfluorenevinylene) for LEDs

被引：71

作者：

Jin, Y

Ju, J

Kim, J

Lee, S

Kim, JY

Park, SH

Son, SM

Jin, SH

Lee, K

Suh, H ^{[1
]}

机构：

[1] Pusan Natl Univ, Dept Chem, Pusan 609735, South Korea

[2] Pusan Natl Univ, Chem Inst Funct Mat, Pusan 609735, South Korea

[3] Pusan Natl Univ, Dept Phys, Pusan 609735, South Korea

[4] Pusan Natl Univ, Dept Chem Educ, Pusan 609735, South Korea

[5] LG Elect Inst Technol, Seoul 137724, South Korea

[6] Pukyong Univ, Div Imaging Sci & Informat Engn, Pusan 608020, South Korea

来源：

MACROMOLECULES | 2003年 / 36卷 / 19期

关键词：

D O I：

10.1021/ma025862u

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

A new green electrolumineseence polymer, CN-poly(dihexylfluorenevinylene) (CN-PDHFV), which denotes poly [(9,9-dihexyl-9H-fluorene-2,7-diyl)(1-cyanoethene-1,2-diyl)(9,9-dihexyl-9H-fluorene-2,7-diyl)(2-cyaoethene-1,2-diyl)], was synthesized by condensation polymerization utilizing the Knoevenagel reaction. The resulting polymer exhibits good solubility in common organic solvents such as chloroform, THF, and ODCB. The polymer is also easily cast on a glass plate to green film. The UV-vis spectrum of the polymer exhibits characteristically a broad absorption band at 440 nm. This polymer shows photoluminescence around lambda(max) = 535 nm (exciting wavelength 410 nm) and green electroluminescence around.. = 530 nm. The current-voltage-luminance (I-V-L) characteristics of the polymer show a turn-on voltage of 4.8 V and a brightness of 600 cd/m(2) at 5.8 V in the Al/polymer/PEDOT/ITO device. The highest efficiency was observed to be 0.85 1m/W at 5.6 V.

引用

页码：6970 / 6975

页数：6

共 21 条

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