Synthesis and Characterization of a New Triphenylamine-Substituted PFO/PPV Copolymer

被引：2

作者：

Gu, Lingling ^{[1
]}

Bai, Jinrui ^{[1
]}

Chen, Yu ^{[1
]}

Lin, Ying ^{[1
]}

机构：

[1] E China Univ Sci & Technol, Dept Chem, Key Lab Adv Mat, Shanghai 200237, Peoples R China

来源：

POLYMER JOURNAL | 2009年 / 41卷 / 10期

基金：

中国国家自然科学基金;

关键词：

Polyfluorene; Triphenylamine Functionality; Heck-Coupling Reaction; ELECTRON-TRANSFER PROCESS; LIGHT-EMITTING-DIODES; SIDE-CHAIN; POLY(P-PHENYLENEVINYLENE) DERIVATIVES; ELECTROLUMINESCENT PROPERTIES; PHOTOVOLTAIC APPLICATIONS; VINYLENE BRIDGE; HECK REACTION; POLYMER; POLYFLUORENE;

D O I：

10.1295/polymj.PJ2009100

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

The spiro-type bulky architecture in the polymer is intriguing since it can suppress the interchain interactions and enhance the photoluminescence efficiency. A new triphenylamine-substituted PFO/PPV alternating copolymer was synthesized by using a typical Heck-coupling reaction. This highly soluble polymer exhibits strong photoluminescence with maximum emission peaks centered at 417 and 441 nm in THF; 425 and 460 nm in benzonitrile. In deoxygenated dry benzonitrile, the fluorescence tune profile of copolymer exhibited a bi-exponential decay with lifetime of 0.12 ns (98%) and 1.13 ns (2%). Upon excitation with nanosecond laser pulse at 355 nm, the transient absorption band at 610 nm was observed.

引用

页码：866 / 871

页数：6

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