Electro-optical properties of poly(N-alkyl-2-ethynylpyridinium bromide)s

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Poly(N-alkyl-2-ethynylpyridinium bromides)s with different alkyl chains were synthesized in high yields by the activated polymerisation of 2-ethynylpyridine with various alkyl bromides in the absence of any additional initiator or catalyst. The polymer structures were characterized by various instrumental methods such as NMR, IR, and UV-visible spectroscopies to confirm the conjugated polymer backbone system having N-alkylpyridinium moieties. The polymers were completely soluble in such organic solvents as DMF, DMSO, and DMAc. The photoluminescence spectra of poly(N-dodecyl-2-ethynylpyridinium bromide) and poly(2-ethynyl-N-octadecylpyridinium bromide) showed that the photoluminescence peaks are located at 600 and 596 nm corresponding to the photon energy of 2.07 and 2.08 eV, respectively.
Publisher
ELSEVIER SCIENCE SA
Issue Date
2005-09
Language
English
Article Type
Article; Proceedings Paper
Keywords

CONJUGATED IONIC POLYACETYLENES; METATHESIS POLYMERIZATION; SUBSTITUTED ACETYLENES; SIDE-CHAIN; POLYMERS; DERIVATIVES; CATALYSTS

Citation

SYNTHETIC METALS, v.153, no.1-3, pp.301 - 304

ISSN
0379-6779
DOI
10.1016/j.synthmet.2005.07.175
URI
http://hdl.handle.net/10203/91013
Appears in Collection
CH-Journal Papers(저널논문)
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