Method for preparing sensitizing material and organic light emitting diode
AssigneeWuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
InventorJiajia Luo
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Abstract
A method for preparing a sensitizing material and an organic light emitting diode are provided, the method including: adding C24H16Br2P2 and dichloromethane to a hydrogen peroxide solution to react therewith, dissolving a reactant in a dichloromethane solution and subjecting the solution to a purification with a first silica gel column; adding a purified product, a predetermined electron donor material, palladium acetate, and tri-tert-butylphosphine tetrafluoroborate in sodium tert-butoxide and toluene to react; extracting with dichloromethane and purified by a second silica gel column.
Claims16
A method of preparing a sensitizing material, comprising:
- adding C24H16Br2P2 and dichloromethane to a hydrogen peroxide solution to react therewith to obtain a first reaction solution, and filtering the first reaction solution to obtain a solid;
- dissolving the solid in a dichloromethane solution and subjecting the dichloromethane solution with the solid dissolved therein to a purification process through a first silica gel column to obtain an intermediate;
- mixing the intermediate, a predetermined electron donor material, palladium acetate, and tri-tert-butylphosphine tetrafluoroborate to obtain a mixed solution, wherein the predetermined electron donor material comprises at least one of 9,10-dihydro-9,9-dimethylacridine, 9,10-dihydro-9,9-diphenylacridine, and 9,10-dihydro-9,9-diphenylsilyl acridine;
- placing the mixed solution in a glove box, and adding sodium tert-butoxide and toluene to the mixed solution to react therewith to obtain a second reaction solution;
- and
- extracting the second reaction solution with dichloromethane to obtain an extract and subjecting the extract to a purification process with a second silica gel column to obtain the sensitizing material;
- wherein a structural formula of the sensitizing material is:
- wherein R1 is a substituent, and R1 comprises at least one of the following structural formulas:
- and
- wherein the second silica gel column comprises dichloromethane and n-hexane, and a volume ratio of the dichloromethane to the n-hexane in the second silica gel column is 1:1 to 3:1.
A method of preparing a sensitizing material, comprising:
- adding C24H16Br2P2 and dichloromethane to a hydrogen peroxide solution to react therewith to obtain a first reaction solution, and filtering the first reaction solution to obtain a solid;
- dissolving the solid in a dichloromethane solution and subjecting the dichloromethane solution with the solid dissolved therein to a purification process through a first silica gel column to obtain an intermediate;
- mixing the intermediate, a predetermined electron donor material, palladium acetate, and tri-tert-butylphosphine tetrafluoroborate to obtain a mixed solution;
- wherein, the predetermined electron donor material comprises at least one of 9,10-dihydro-9,9-dimethylacridine, 9,10-dihydro-9,9-diphenylacridine, and 9,10-dihydro-9,9-diphenylsilyl acridine;
- placing the mixed solution in a glove box, and adding sodium tert-butoxide and toluene to the mixed solution to react therewith to obtain a second reaction solution;
- and
- extracting the second reaction solution with dichloromethane to obtain an extract and subjecting the extract to a purification process with a second silica gel column to obtain the sensitizing material.
Dependencies are inferred from the claim text.