A kind of polyfluorene-inorganic semiconductor compound OLED display material and preparation method
An inorganic semiconductor and semiconductor technology, applied in semiconductor/solid-state device manufacturing, semiconductor devices, luminescent materials, etc., can solve the problems of easy aggregation, easy aging of film formation, etc., and achieve the effect of not easy to crystallize, hard to aggregate, and to improve stability.
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Embodiment 1
[0035] Add 50kg of monomeric fluorene or its derivatives, 25kg of boron trifluoride diethyl ether, 2kg of nickel chloride, 20kg of zinc powder and 3kg of bipyridine into the reactor, under the protection of high-purity nitrogen, stir vigorously, and slowly raise the temperature to 85°C. After reacting for 13 hours, the crude product was introduced into a mixed solvent of hydrochloric acid and methanol with a volume concentration of 20%, and then the precipitate obtained by filtration was washed three times with methanol and distilled water successively, and dried in vacuum. The resulting product was precipitated with chloroform and methanol, and extracted to remove small molecules to obtain fluorinated polyfluorene.
[0036] Prepare a sodium hydroxide solution with a mass concentration of 20% and a zinc nitrate solution with a mass concentration of 40%, add fluorinated polyfluorene to 150kg of sodium hydroxide solution, stir to disperse, and add 1kg of ethylenediaminetetraacetic ...
Embodiment 2
[0040] Add 55kg of monomer fluorene or its derivatives, 20kg of boron trifluoride diethyl ether, 2kg of nickel chloride, 20kg of zinc powder and 3kg of bipyridine into the reactor, under the protection of high-purity nitrogen, stir vigorously, and slowly raise the temperature to 90°C. After reacting for 12 h, the crude product was introduced into a mixed solvent of hydrochloric acid and methanol with a volume concentration of 20%, and then the precipitate obtained by filtration was washed three times with methanol and distilled water successively, and dried in vacuum. The resulting product was precipitated with chloroform and methanol, and extracted to remove small molecules to obtain fluorinated polyfluorene.
[0041] Prepare a sodium hydroxide solution with a mass concentration of 20% and a bismuth nitrate solution with a mass concentration of 40%, add fluorinated polyfluorene to 180kg of sodium hydroxide solution, stir and disperse, and add 1.5kg of ethylene glycol bis(2- a...
Embodiment 3
[0044] Add 55kg of monomer fluorene or its derivatives, 10kg of boron trifluoride diethyl ether, 2kg of nickel chloride, 30kg of zinc powder and 3kg of bipyridine into the reactor, under the protection of high-purity nitrogen, stir vigorously, and slowly raise the temperature to 95°C. After reacting for 11 h, the crude product was introduced into a mixed solvent of hydrochloric acid and methanol with a volume concentration of 20%, and then the precipitate obtained by filtration was washed three times with methanol and distilled water successively, and dried in vacuum. The resulting product was precipitated with chloroform and methanol, and extracted to remove small molecules to obtain fluorinated polyfluorene.
[0045] Prepare a sodium hydroxide solution with a mass concentration of 20% and a zinc nitrate solution with a mass concentration of 40%, add fluorinated polyfluorene to 160kg of sodium hydroxide solution, stir to disperse, and add 2kg of ethylenediaminetetraacetic acid...
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