Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
5186315 | Polymer | 2009 | 5 Pages |
Abstract
Incorporation of Ï electron-rich dihydropyrene units into the polymer backbone of polythiophene afforded a conducting polymer with narrow bandgap energy of about 1.0Â eV. Doping of this polymer with iodine showed an optimum conductivity of about 1.0Â SÂ cmâ1. The quinoid character and a small highest occupied molecular orbital-lowest unoccupied molecular orbital (HOMO-LUMO) separation in the dihydropyrene are believed to account for the observed semi-conducing properties of this dihydropyrene-thiophene copolymer. The dihydropyrene unit in the copolymer was found to exhibit a significantly higher thermal stability than the parent molecule.
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Physical Sciences and Engineering
Chemistry
Organic Chemistry
Authors
Ju Gao, Yee-Hing Lai,