T. Gui, Jinghua Yin, Dong-xing Wang
Dec 1, 2006
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Journal
Molecular Crystals and Liquid Crystals
Abstract
A new conjugated polymer with amine groups was synthesized in high yields by the polymerization of 4-ethynylaniline with various transition metal catalysts. The polymer structure was identified by various instrumental methods to have a conjugated polymer backbone system with p-aminophenyl substituents. The photoluminescence peak of poly(4-ethynylaniline) is located at 478 nm corresponding to the photon energy of 2.60 eV. From the CV measurements, the HOMO energy level of the polymer was calculated to be 5.03 eV.