Thermally activated delayed fluorescent material, preparation method and electroluminescent device
A technology of heat-activated delayed and fluorescent materials, applied in the direction of luminescent materials, electric solid devices, chemical instruments and methods, etc., can solve the problems of lack of heavy metal Ir complexes, etc., and achieve high efficiency, high luminous efficiency, and increased luminous efficiency.
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment 1
[0051] Synthetic fluorescent material compound 1, the synthetic route is as follows:
[0052]
[0053] Add the electron acceptor (A) raw material 1 into the 100mL two-necked bottle (Proportioning 2.41g, concentration 5mmol), electron donor (D) diphenylamine (proportioning 2.03g, concentration 12mmol), palladium acetate (Pd(OAc) 2 ) (ratio 90mg, concentration 0.4mmol) and tri-tert-butylphosphine tetrafluoroborate ((t-Bu) 3 HPBF 4 ) (proportioning 0.34g, concentration 1.2mmol); then, add NaOt-Bu (proportioning 1.16g, concentration 12mmol) in the glove box, under argon atmosphere, inject 60mL of toluene that removes water and oxygen in advance, in React at 120°C for 24 hours, cool to room temperature; then, pour the reaction solution into 200 mL of ice water, extract three times with dichloromethane, combine the organic phases, spin into silica gel; add dichloromethane and n-hexane for column chromatography separation and purification, two The ratio (volume ratio) of met...
Embodiment 2
[0055] Synthetic fluorescent material compound 2, the synthetic route is as follows:
[0056]
[0057] Add the electron acceptor (A) raw material 1 into the 100mL two-necked bottle (Proportioning 2.41g, concentration 5mmol), electron donor (D) carbazole (proportioning 2.00g, concentration 12mmol), palladium acetate ((Pd(OAc) 2 ) (ratio 90mg, concentration 0.4mmol) and tri-tert-butylphosphine tetrafluoroborate ((t-Bu) 3 HPBF 4 ) (proportioning 0.34g, concentration 1.2mmol), then, in the glove box, add NaOt-Bu (proportioning 1.16g, concentration 12mmol), under argon atmosphere, inject 60mL of toluene that removes water and oxygen in advance, in React at 120°C for 24 hours, cool to room temperature; pour the reaction liquid into 200mL ice water, extract three times with dichloromethane, combine the organic phases, spin into silica gel; add dichloromethane and n-hexane for column chromatography separation and purification, dichloromethane The ratio (volume ratio) to n-hex...
Embodiment 3
[0059] Synthetic fluorescent material compound 3, the synthetic route is as follows:
[0060]
[0061] Add the electron acceptor (A) raw material 1 into the 100mL two-necked bottle (Proportioning 2.41g, concentration 5mmol), electron donor (D) phenoxazine (proportioning 2.2g, concentration 12mmol), palladium acetate ((Pd(OAc) 2 ) (ratio 90mg, concentration 0.4mmol) and tri-tert-butylphosphine tetrafluoroborate ((t-Bu) 3 HPBF 4 ) (proportioning 0.34g, concentration 1.2mmol), then, in the glove box, add NaOt-Bu (proportioning 1.16g, concentration 12mmol), under argon atmosphere, inject 60mL of toluene that removes water and oxygen in advance, in React at 120°C for 24 hours, cool to room temperature; pour the reaction liquid into 200mL ice water, extract three times with dichloromethane, combine the organic phases, spin into silica gel; add dichloromethane and n-hexane for column chromatography separation and purification, dichloromethane The ratio (volume ratio) to n-he...
PUM
| Property | Measurement | Unit |
|---|---|---|
| quantum efficiency | aaaaa | aaaaa |
Abstract
Description
Claims
Application Information
Login to View More