Anthraquinonyl-group-containing polymer and preparation method thereof, and organic solar cell device
A polymer and anthraquinone-based technology, applied in the field of organic semiconductor materials, can solve the problems of low conversion efficiency, achieve the effects of improving energy conversion efficiency, reducing manufacturing costs, and reducing process flow
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Embodiment 1
[0032] The polymer containing anthraquinone groups in this example, that is, poly{6,6,12,12-tetra-n-octyl-2,8-diyl-6,12-dihydroindeno[1,2-b :1',2'-e]pyrazine-co-2,6-diyl-1,5-bis(n-octyloxy)anthracene-9,10-dione} (where R1 is n-octyl , R2 is n-octyl, n=50), its structural formula is as follows:
[0033]
[0034] The preparation steps of above-mentioned polymer are as follows:
[0035] The reaction formula is as follows:
[0036]
[0037] Under argon protection, 6,6,12,12-tetra-n-octyl-2,8-dipinacol borate-6,12-dihydroindeno[1,2-b:1' ,2'-e]pyrazine (191mg, 0.2mmol), 2,6-dibromo-1,5-bis(n-octyloxy)anthracene-9,10-dione (124mg, 0.2mmol) was added into a In a 10ml flask of toluene solvent, after fully dissolving, potassium carbonate (2mL, 2mol / L) solution was added into the flask, vacuumed to remove oxygen and filled with argon, then added bistriphenylphosphine palladium dichloride (5.6mg ,0.008mmol); the flask was heated to 100°C for Suzuki coupling reaction for 48h. Su...
Embodiment 2
[0041] The polymer containing anthraquinone groups in this example, that is, poly{6,6,12,12-tetramethyl-2,8-diyl-6,12-dihydroindeno[1,2-b:1 ',2'-e]pyrazine-co-2,6-diyl-1,5-di(n-eicosyloxy)anthracene-9,10-dione} (P2), (where R1 is methyl, R2 is n-eicosyl, n=68), its structural formula is as follows:
[0042]
[0043] The preparation steps of above-mentioned polymer are as follows:
[0044] The reaction formula is as follows:
[0045]
[0046]Under the protection of mixed gas of nitrogen and argon, 6,6,12,12-tetramethyl-2,8-dipinacol borate-6,12-dihydroindeno[1,2-b:1 ',2'-e]pyrazine (169mg, 0.3mmol), 2,6-dibromo-1,5-di(n-eicosyloxy)anthracene-9,10-dione (287mg, 0.3mmol) and 15mL of tetrahydrofuran into a 50mL two-necked bottle, fully dissolved, and then pass a mixture of nitrogen and argon to exhaust the air for about 20 minutes, then add tetrakistriphenylphosphine palladium (4mg, 0.003mmol) into it, fully dissolve and then Sodium bicarbonate (3mL, 2mol / L) solution was...
Embodiment 3
[0049] The polymer containing anthraquinone groups in this example, that is, poly{6,6,12,12-tetraeicosyl-2,8-diyl-6,12-dihydroindeno[1,2- b: 1',2'-e]pyrazine-co-2,6-diyl-1,5-dimethoxyanthracene-9,10-dione} (P3), (where R1 is di Decyl, R2 is methyl, n=10), its structural formula is as follows:
[0050]
[0051] The preparation steps of above-mentioned polymer are as follows:
[0052] The reaction formula is as follows:
[0053]
[0054] Under nitrogen protection, 6,6,12,12-tetraeicosyl-2,8-dipinacol borate-6,12-dihydroindeno[1,2-b:1', 2'-e]pyrazine (488mg, 0.3mmol), 2,6-dibromo-1,5-di(methoxy)anthracene-9,10-dione (141mg, 0.33mmol), palladium acetate (3.5 mg, 0.015mmol) and tri(o-methylphenyl)phosphine (21mg, 0.06mmol) were added to a flask containing 12mL of N,N-dimethylformamide, and potassium carbonate (3mL, 2mol / L) solution, and then pass nitrogen into the flask to exhaust the air for about 30 minutes; the flask is heated to 130° C. for Suzuki coupling reaction f...
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