A hybrid for electron transport layer of polymer solar cell and preparation method thereof
A technology for solar cells and electron transport layers, applied in the field of solar cells, can solve the problems of poor film formation and the need to improve electron mobility, etc.
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Embodiment 1
[0051] Synthesis of alcohol-soluble conjugated polymer poly[9,9-dioctylfluorene-co-9,9-bis(dimethylaminoethyl propionate)fluorene]:
[0052] 0.304g (0.5mmol) of 2,7-dibromo-9,9-bis(dimethylaminoethyl propionate)fluorene, 0.3208g (0.5mmol) of 2,7-bis(4,4,5,5) -Tetramethyl-1,3,2-dioxaborane-diyl)-9,9-dioctylfluorene, 0.01g tetrakis(triphenylphosphine)palladium [Pd(PPh 3 ) 4 ], 0.56gK 2 CO 3 , 10 mL of toluene and 3 mL of water were added to a 100 mL three-necked flask equipped with a magnetic stirring bar, vacuumed and passed through nitrogen, and the reaction was carried out under a nitrogen atmosphere at a constant temperature of 90 °C for 24 h, and the solution had light blue fluorescence. 0.061 g of phenylboronic acid and 52 μL of brominated benzene were added successively, and each reaction was performed for 2 h. After the reaction, the temperature was lowered to room temperature, filtered, and the filtrate was precipitated with n-hexane, filtered, and dried. The result...
Embodiment 2
[0054] Synthesis of alcohol-soluble conjugated polymer poly[9,9-dihexylfluorene-co-9,9-bis(diethylaminoethyl propionate)fluorene]:
[0055] 0.2657g (0.4mmol) 2,7-dibromo-9,9-bis(diethylaminoethyl propionate)fluorene, 0.049g (0.1mmol) 2,7-dibromo-9,9-dihexyl Fluorene, 0.2932g (0.5mmol) 2,7-bis(4,4,5,5-tetramethyl-1,3,2-dioxaborane-diyl)-9,9-dihexylfluorene, 0.01g tetrakis(triphenylphosphine)palladium [Pd(PPh) 3 ) 4 ], 0.56gK 2 CO 3 , 10 mL of toluene and 3 mL of water were added to a 100 mL three-necked flask equipped with a magnetic stirring bar, vacuumed and passed through nitrogen, and the reaction was carried out under a nitrogen atmosphere at a constant temperature of 90 °C for 24 h, and the solution had light blue fluorescence. 0.061 g of phenylboronic acid and 52 μL of brominated benzene were added successively, and each reaction was performed for 2 h. After the reaction, the temperature was lowered to room temperature, filtered, and the filtrate was precipitated wi...
Embodiment 3
[0057] Synthesis of alcohol-soluble conjugated polymer poly[9,9-dioctylfluorene-co-9,9-bis(dimethylaminoethyl methylpropionate)fluorene]:
[0058] 0.1908g (0.3mmol) of 2,7-dibromo-9,9-bis(dimethylaminoethyl propionate)fluorene, 0.1096g (0.2mmol) of 2,7-dibromo-9,9- Dioctylfluorene, 0.3208g (0.5mmol) 2,7-bis(4,4,5,5-tetramethyl-1,3,2-dioxaborane-diyl)-9,9-diyl Octylfluorene, 0.01g tetrakis(triphenylphosphine)palladium [Pd(PPh 3 ) 4 ], 0.56gK 2 CO 3 , 10 mL of toluene and 3 mL of water were added to a 100 mL three-necked flask equipped with a magnetic stirring bar, vacuumed and passed through nitrogen, and the reaction was carried out under a nitrogen atmosphere at a constant temperature of 90 °C for 24 h, and the solution had light blue fluorescence. 0.061 g of phenylboronic acid and 52 μL of brominated benzene were added successively, and each reaction was performed for 2 h. The reaction was completed, the temperature was lowered to room temperature, filtered, the filtrat...
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