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- W2391643441 abstract "The energy levels, band gaps of new oxadiazole derivatives with different lengths of alkyl chain attached either lateral or terminal to the central phenylene ring were obtained based on the results of CV and UV-Vis spectroscopy. HOMO energy levels(-5.75—-6.20 eV) of the alkoxyl-substituted derivatives are much higher than that of the unsubstituted one, especially the one with lateral alkyoxyl groups. In contrast, the LUMO energy levels are in the range of-2.78—-2.89 eV. The quasi-reversible redox behavior of the compounds indicates that they could be used as an active material for a light-emitting device. The light-emitting device using blends of MEH-PPV and the derivatives as emissive layers with brightness up to 11810 cd/m2(8.5 V), 40 times brighter than that with MEH-PPV was fabricated. The result of the devices suggests that oxadiazole derivatives studied can be used as the electron-transporting materials and thus to enhance the efficiency of LEDs." @default.
- W2391643441 created "2016-06-24" @default.
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- W2391643441 date "2007-01-01" @default.
- W2391643441 modified "2023-09-25" @default.
- W2391643441 title "Energy Levels of Novel 1,3,4-Oxadiazole Derivatives(OXDs) and Device Performance Using Blends of MEH-PPV and the OXDs as Emissive Layers" @default.
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