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Optoelectronic properties of thiazole-based polythiophenes

机译:噻唑基聚噻吩的光电性能

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In this work, two thiazole-containing monomers N-(thiazol-2-yl)-2-(thiophen-3-yl)acetamide (ThDBTH) and N,N-([4,4-bithiazole]-2,2-diyl)bis(2-(thiophen-3-yl)acetamide) (Th2DBTH) were synthesized through amidification reaction of 2-(thiophen-3-yl)acetyl chloride with aminothiazole derivatives and characterized by FTIR and H-1 and C-13-NMR. The monomers were subjected to electrochemical polymerization and optoelectronic properties of the resultant conducting polymers were investigated. Additionally, copolymerization of ThDBTH in the presence of thiophene was achieved. PThDBTH, PTh2DBTH, and P(ThDBTH-Th) exhibited optical band gaps of 2.15, 2.30, and 1.95 eV, respectively. Switching time and optical contrast of the polymers were evaluated via kinetic studies. The P(ThDBTH-Th) revealed satisfactory switching time and appropriate optical contrast of 1.27 s and 24.97%, respectively. (c) 2015 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2015, 132, 42206.
机译:在这项工作中,两个含噻唑的单体N-(噻唑-2-基)-2-(噻吩-3-基)乙酰胺(ThDBTH)和N,N-([4,4-bithiazole] -2,2-通过2-(噻吩-3-基)乙酰氯与氨基噻唑衍生物的酰胺化反应合成了二基)双(2-(噻吩-3-基)乙酰胺)(Th2DBTH),并用FTIR,H-1和C-13进行了表征-NMR。对单体进行电化学聚合,并研究所得导电聚合物的光电性能。另外,在噻吩的存在下实现了ThDBTH的共聚。 PThDBTH,PTh2DBTH和P(ThDBTH-Th)的光学带隙分别为2.15、2.30和1.95 eV。通过动力学研究评估聚合物的转换时间和光学对比度。 P(ThDBTH-Th)的开关时间令人满意,相应的光学对比度分别为1.27 s和24.97%。 (c)2015 Wiley Periodicals,Inc. J. Appl。 Polym。科学2015,132,42206。

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