Synthesis of a Polyacetylene by Double Cyclopolymerization of Triyne Monomer and its Electro-optical and Electrochemical Properties

A triyne monomer was prepared by the reaction of oxotremorine and propargyl bromide. A new conjugated polymer was prepared by the double cyclopolymerization of triyne monomer by using transition metal catalyst. The instrumental analysis data on the polymer structure revealed that the resulting polym...

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Bibliographic Details
Published in:Molecular Crystals and Liquid Crystals 2013-01, Vol.579 (1), p.95-102
Main Authors: Gal, Yeong-Soon, Jin, Sung-Ho, Kim, Beomjin, Kim, Seungho, Park, Jongwook
Format: Article
Language:English
Subjects:
Catalysts
Conjugated polymer
Crystals
cyclic voltammogram
cyclopolymerization
Liquid crystals
Molecular structure
Monomers
Photoluminescence
Photons
polyacetylene
Polyacetylenes
Polymerization
Polymers
Spectra
Spectrum analysis
Transition metals
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Summary:A triyne monomer was prepared by the reaction of oxotremorine and propargyl bromide. A new conjugated polymer was prepared by the double cyclopolymerization of triyne monomer by using transition metal catalyst. The instrumental analysis data on the polymer structure revealed that the resulting polymer have the conjugated polyene backbone system with two cyclic moieties in repeating unit. The photoluminescence (PL) spectra of polymer showed that the photoluminescence peak is located at 467 nm, corresponding to a photon energy of 2.66 eV. The cyclic voltamograms of polymer exhibited irreversible electrochemical behaviors between the doped and undoped peaks. It was observed that the irreversible oxidation and reduction were occurred at around 1.25 V and −1.7 V. The electrochemical process of polymer is reproducible and stable in the potential range of -2.0 ∼ +1.5 V vs Ag/AgNO 3.
ISSN:1542-1406
1563-5287
1527-1943
DOI:10.1080/15421406.2013.802961