科研之友
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摘要
Here we report the characterization of diquinoline derivatives with ambipolar character. The investigated derivatives show low p- and moderately low n-doping redox systems. The derivatives were investigated and the electrochemical and optical properties of these compounds measured, with attempts to correlate the properties with their pi-electron conjugation lengths. We showed the marked influence of the heteroatom in the bridge (central ring) and geometry of the molecule with its electronic properties. The compounds were compared by UV-vis-NIR and electron paramagnetic resonance (EPR) spectroelectrochemistry indicating very different charge and spin properties dependent on the heteroatoms present. Finally the organic light-emitting diode (OLED) devices were formed and characterized.
- 出版日期2015-6-11
