Synthesis and characterization of thiophene and fluorene based donor-acceptor conjugated polymer containing 1,3,4-oxadiazole units for light-emitting diodes

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dc.contributor.authorMurali, M.G.
dc.contributor.authorNaveen, P.
dc.contributor.authorUdayakumar, U.
dc.contributor.authorYadav, V.
dc.contributor.authorSrivastava, R.
dc.date.accessioned2026-02-05T09:35:25Z
dc.date.issued2012
dc.description.abstractA new donor-acceptor (D-A) conjugated polymer (PDTOF) containing 3,4-didodecyloxythiophene, fluorene and 1,3,4-oxadiazole units is synthesized by using Wittig reaction methodology. The synthesized polymer is characterized by 1H NMR, FTIR, GPC, and elemental analysis. The optical energy band gap of the polymer is found to be 2.42 eV as calculated from the onset absorption edge. The electrochemical studies of PDTOF reveal that, the HOMO and LUMO energy levels of the polymer are -5.45 eV and -3.58 eV, respectively. The polymer is thermally stable up to 320 °C. Polymer light-emitting diode devices are fabricated with a configuration of ITO/PEDOT: PSS/PDTOF/Al using PDTOF as the emissive layer. The electroluminescence (EL) spectrum of the device showed green emission with CIE coordinate values (0.34, 0.47). By current density-voltage characteristics, threshold voltage of the PLED device is found to be 6.5 V. © 2011 Elsevier Ltd. All rights reserved.
dc.identifier.citationTetrahedron Letters, 2012, 53, 2, pp. 157-161
dc.identifier.issn404039
dc.identifier.urihttps://doi.org/10.1016/j.tetlet.2011.10.157
dc.identifier.urihttps://idr.nitk.ac.in/handle/123456789/27074
dc.subject1,3,4 oxadiazole derivative
dc.subject3,4 didodecyloxythiophene
dc.subjectdonor acceptor conjugated polymer
dc.subjectfluorene
dc.subjectpolymer
dc.subjectthiophene derivative
dc.subjectunclassified drug
dc.subjectabsorption
dc.subjectarticle
dc.subjectchemical structure
dc.subjectconjugation
dc.subjectdevice
dc.subjectinfrared spectroscopy
dc.subjectlight emitting diode
dc.subjectluminescence
dc.subjectproton nuclear magnetic resonance
dc.subjectsynthesis
dc.subjectthermostability
dc.subjectWittig reaction
dc.titleSynthesis and characterization of thiophene and fluorene based donor-acceptor conjugated polymer containing 1,3,4-oxadiazole units for light-emitting diodes

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