Optical and electrochemical properties of a new donor-acceptor type conjugated polymer derived from thiophene, carbazole and 1,3,4-oxadiazole units

被引：0
|
作者：
Manjunatha M.G. [1 ]
Adhikari A.V. [1 ]
Hegde P.K. [1 ]
机构：
[1] Organic Chemistry Division, Department of Chemistry, National Institute of Technology Karnataka, Surathkal
来源：
Materials Science Forum | 2010年 / 657卷
关键词：
1,3,4-Oxadiazole; 3,4-Didecyloxy thiophene; Cyclic voltammetry; Donor-acceptor conjugated polymer; Fluorescence; Light emitting diodes; N-dodecyl carbazole;
D O I：
10.4028/www.scientific.net/MSF.657.46
中图分类号：
学科分类号：
摘要：
A new donor-acceptor type poly[3-{5-[3,4-didecyloxy-5-(1,3,4-oxadiazol-2- yl)thiophen-2-yl]-1,3,4-oxadiazol-2-yl}-9-dodecyl-9H-carbazole] (P) has been synthesized starting from thiodiglycolic acid and 9H-carbazole through multistep reactions. The polymer has been synthesized through precursor polyhydrazide route. The weight average molecular weight of the polymer was found to be 7210. The polymer exhibited intense green fluorescence in solid sate. Cyclic voltammetric experiments showed that the polymer has low-lying LUMO (-3.55 eV) and high lying HOMO (-5.77 eV) energy levels due to the presence of alternate donor and acceptor units. The optical and electrochemical studies reveal that the new polymer (P) is a promising material for the development of polymer light emitting diodes (PLEDs). © (2010) Trans Tech Publications.
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页码：46 / 55
页数：9
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