Non-fullerene electron transport material as well as synthesis method and application thereof
An electron transport material, non-fullerene technology, applied in the field of non-fullerene electron transport materials and their synthesis, trans-planar perovskite solar cells, can solve problems such as solar cells that have not yet been reported, and achieve large-scale promotion. The effect of commercial production, improving optoelectronic properties, and reducing production costs
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Embodiment 1
[0039] 1. A non-fullerene electron transport material, the chemical name is: 4,4',4"-tri-(E)-3-[2-(2-cyanoacrylcyanide)-3-cyano)- 5,5,-Dimethyl-2,3-dihydrofuran] vinyl-triphenylamine, referred to as TPA-3CN, the structural formula is as follows figure 1 a.
[0040] Two, a kind of synthetic method of non-fullerene electron transport material:
[0041] Dissolve tris(4-formylphenyl)amine (reactant 1, 987 mg, 3 mmol) and furan derivative (reactant 2, 2.15 g, 10.8 mmol) in anhydrous chloroform solution (50 mL), add 5 drops of tris Stir evenly after ethylamine, heat to 61°C and react for 24h, cool to room temperature after the reaction, add 0.1M hydrochloric acid aqueous solution (60mL) to the reaction solution, add dichloromethane solution (50mL) and extract 3 times, collect the organic layer, The organic layer was dried with anhydrous magnesium sulfate, filtered, and the solvent was removed under reduced pressure. The residue was separated and purified by silica gel column chrom...
Embodiment 2
[0054] 1. A non-fullerene electron transport material, the chemical name is: 4,4',4"-tri-(E)-3-[2-(2-cyanoacrylcyanide)-3-cyano)- 5,5,-Dimethyl-2,3-dihydrofuran] vinyl-triphenylamine, referred to as TPA-3CN, the structural formula is as follows figure 1 a.
[0055] Two, a kind of synthetic method of non-fullerene electron transport material:
[0056] Dissolve tris(4-formylphenyl)amine (reactant 1, 987mg, 3mmol) and furan derivative (reactant 2, 716mg, 3.6mmol) in acetonitrile (50mL), add 5 drops of triethylamine and stir Evenly, heat to 82°C for 36 hours, cool to room temperature after the reaction, add 0.2M hydrochloric acid aqueous solution (60mL) to the reaction solution, add dichloromethane solution (50mL) to extract 3 times, collect the organic layer, and use anhydrous sulfuric acid After drying the organic layer over magnesium, it was filtered and the solvent was removed under reduced pressure. The residue was separated and purified by silica gel column chromatography...
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