Synthesis and characterization of a new conjugatedpolymer containing cyano substituents for light-emitting diodes

Xia Wu; Yunqi Liu; Daoben Zhu

doi:10.1039/B008521I

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Xia Wu,^a Yunqi Liu*^a and Daoben Zhu*^a

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* Corresponding authors

^a Center for Molecular Science, Institute of Chemistry, Chinese Academy of Sciences, Beijing, China
E-mail: liuyq@infoc3.icas.ac.cn.

Abstract

A new luminescent conjugated polymer (CN-P3PV) containing cyano groups as electron transporting units was synthesized by a Suzuki coupling reaction. CN-P3PV was characterized by ¹H NMR, FT-IR, GPC, DSC, and TGA. The synthesized polymer possessed high thermal stability (T_d = 360 °C, T_g = 151 °C), high electron affinity, and good thin-film forming ability. Electrical characterization of a double-layer organic LED based on the structure of ITO/CuPc/CN-P3PV/Ca/Ag showed high electron transporting ability and good electroluminescence performance with the emission of bright orange light.

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Article information

DOI: https://doi.org/10.1039/B008521I
Article type: Paper
Submitted: 23 Oct 2000
Accepted: 07 Feb 2001
First published: 22 Mar 2001

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J. Mater. Chem., 2001,11, 1327-1331

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