A kind of perylene imide polymer and its preparation method and application
A perylene imide and polymer technology, applied in the field of polymer synthesis, can solve the problems of reducing electron mobility, reducing electron mobility, affecting device performance, etc., to achieve improved device performance, high fill factor, and high electron mobility Effect
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Embodiment 1
[0032] A phosphimide polymer, a reaction route is shown in formula III, and the preparation method thereof includes the following steps:
[0033] Take bis (trimethyl tin) acetylene (82 mg, 0.23 mmol) and N, N'-di (1-pentylhexyl) -1,7-bromide (200 mg, 0.23 mmol), three (Dibenzyl acetone) dual palladium (PD 2 (DBA) 3 , 4.3mg, 4.7 μmol and triphenylphosphine (p (o-tol) 3 5.2 mg, 17 μmol) In a 25 mL single-mouth flask, 5 ml of toluene was injected into the reaction system under nitrogen protection with a syringe by a syringe, and then warmed to 120 ° C and stirred vigorously for 48 h; The resulting polymer product system is then closed, and 100 mg 2-tributyl methylthiophene reaction is injected into the resulting product system under nitrogen protection, and then 200 mg of 3-bromothiophene reaction 12h is injected into the system, then the crude product Precipitation with methanol; use ethyl acetate, acetone and dichloromethane, remove the oligomers and catalysts in addition to the ol...
Embodiment 2
[0036] A phymide polymer, a reaction route, a preparation method thereof specifically includes the steps of:
[0037] Take bis (trimethyl tin) acetylene (136.6 mg, 0.39 mmol) and N, N'-di (2-ethylhexyl) -1,7-dibromo-6,12-difluoroimide ( 300mg, 0.39mmol), tris (dibenzyl acetone) di palladium (PD 2 (DBA) 3 , 4.5mg, 4.9 μmol) and tri-toromylphosphine (p (o-tol) 35 mg, 16 μmol) in a 25 ml single-mouth flask, after extracting the oxygen in the system via nitrogen gas, 6 ml of toluene is injected into the reaction system under nitrogen protection, warmed to 120 ° C, stirred vigorously for 48h, then the resulting The polymer product system performs a blocking treatment, and 100 mg of 2-tributyl methylthiophene reaction is injected under nitrogen protection, and then 200 mg of 3-bromothiophene reaction 12h is injected into the system, then the crude product is precipitated with methanol. Ethyl acetate, acetone and dichloromethane were subjected to extracting the coarse product, and the ol...
Embodiment 3
[0040] A phymide-based polymer, a reaction route, a preparation method thereof, specifically comprising the steps of:
[0041] Take bis (trimethyl tin) acetylene (71 mg, 0.2 mmol) and N, N'-di (1-pentylhexyl) -1,7-dibromo-6,12-difluoro-osmia ( 180mg, 0.2mmol), three (dibenzyl acetone) di palladium (PD 2 (DBA) 3 , 4.2mg, 4.6 μmol) and tri-torne (P (o-tol) 3 4.8 mg, 16 μmol) In a 25 mL single-mouth flask, after the nitrogen gas extraction of the oxygen in the system, 4 ml of toluene was injected with 4 ml of toluene under nitrogen protection, and the temperature was stirred up to 120 ° C, stirred vigorously for 48h, then The resulting polymer product system is closed, and 100 mg of 2-tributyl methylthiophene reaction is injected into the system under nitrogen protection, 200 mg of 3-bromothiophene reaction 12h is injected into the system, and then the crude product is precipitated with methanol. come out. After filtration, the solid was washed with methanol in dichloromethane, and t...
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