OLED (Organic Light Emitting Diode) device prepared by taking di (8-hydroxyquinoline) platinum as doped material
A technology of hydroxyquinoline and doping materials, which is applied in luminescent materials, electric solid-state devices, semiconductor devices, etc., and can solve the problems of reduced excimer effect, difficulty in modifying molecules with high-functional groups, and complicated synthesis steps.
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[0021] (1) Preparation of two (8-hydroxyquinoline) platinum (Ptq 2 ):
[0022] Weigh 3mmol of K 2 PtCl 4 Dissolve in 5ml of water, weigh 6mmol of 8-hydroxyquinoline, add them to 100ml of three-necked bottles, take 20ml of glacial acetic acid as a solvent, add a small amount of 1mol / L NaOH aqueous solution, make the pH of the whole system 4, turn on the magnetic force Stirring, the whole reaction system was reacted at 70°C for 1 hour. After cooling, an orange-red precipitate precipitated, filtered, washed with diluted glacial acetic acid, ethanol, and dichloromethane, and then reconstituted in N,N-dimethylformamide. Crystallized to obtain a red crystalline product.
[0023] (2) Using two (8-hydroxyquinoline) platinum (Ptq 2 ) as doping material to prepare OLEDs:
[0024] OLED devices use indium tin oxide (ITO) as a transparent conductive film glass (anode); its surface resistance is less than 20 W / ??. The ITO glass was ultrasonically cleaned with ethanol, toluene, and ace...
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