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A kind of perylene diimide non-fullerene acceptor material and its application

A non-fullerene acceptor and perylene diimide technology, which is applied in the manufacture of electric solid state devices, semiconductor devices, semiconductor/solid state devices, etc., can solve problems such as easy self-polymerization, achieve low production cost, and optimize morphology , Inhibit the effect of charge recombination

Active Publication Date: 2022-03-08
SICHUAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Aiming at the above-mentioned problems existing in the prior art, the present invention provides a perylene diimide non-fullerene acceptor material and its application, the perylene diimide non-fullerene acceptor material can effectively solve the existing The problem of self-aggregation in acceptor materials

Method used

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  • A kind of perylene diimide non-fullerene acceptor material and its application
  • A kind of perylene diimide non-fullerene acceptor material and its application
  • A kind of perylene diimide non-fullerene acceptor material and its application

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Embodiment 1

[0024] A kind of perylene diimide non-fullerene acceptor material, its synthetic route is as follows:

[0025]

[0026] The specific synthesis process is as follows: Compound 2 (0.34g, 0.37mmol), intermediate core 1 (0.02g, 0.04mmol) were added to a round bottom flask, and degassed toluene (20mL), 2M potassium carbonate solution (5mL) and ethanol were added (2.5mL) of the mixed solution was repeatedly pumped under an argon atmosphere, then the catalyst tetrakistriphenylphosphine palladium (80mg) was added, and the reaction was protected from light at 120°C for 24 hours; after the reaction was completed, it was cooled to room temperature, Methanol was added to terminate the reaction, the organic solvent was spun out with a rotary evaporator, and the crude product was purified by column chromatography (silica gel; eluent: petroleum ether: dichloromethane = 1:3) to obtain a red solid (0.172 g, yield 30%).

[0027] Proton NMR (400MHz, CDCl3, δ / ppm): 9.11-9.03(t, 6H, ArH), 8.93-...

Embodiment 2

[0031] A kind of perylene diimide non-fullerene acceptor material, its synthetic route is as follows:

[0032]

[0033] The specific synthesis process is as follows: Compound 2 (0.34g, 0.37mmol), intermediate core 3 (0.02g, 0.04mmol) were added to a round bottom flask, degassed toluene (20mL), 2M potassium carbonate solution (5mL) and ethanol (2.5mL) of the mixed solution was repeatedly pumped under an argon atmosphere, and then the catalyst tetrakistriphenylphosphine palladium (80mg) was added to react in the dark at 120°C for 24 hours. After the reaction was completed, it was cooled to room temperature, and methanol was added The reaction was terminated, the solvent was spun out with a rotary evaporator, and the crude product was purified by column chromatography (silica gel; eluent: petroleum ether: dichloromethane = 1:3) to obtain a black-red solid (0.152 g, yield 28%).

[0034] Proton NMR (400MHz, CDCl3, δ / ppm): 9.17-8.89(m, 12H, ArH), 8.69-8.61(m, 2H, ArH), 8.44-8.42(...

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Abstract

The invention provides a perylene diimide non-fullerene acceptor material and its application. The core unit of the non-fullerene acceptor material is 3,3-bithiophene or 4,4-bithiazole. The fullerene acceptor material has the advantages of simple synthesis, low production cost, and a good three-dimensional space structure. The molecular configuration of perylene diimide in this material is strongly twisted, which can effectively inhibit the spontaneous formation of perylene diimide. Aggregation solves the problem that existing acceptor materials are easy to self-aggregate.

Description

technical field [0001] The invention belongs to the technical field of non-fullerene acceptor materials, and in particular relates to a perylene diimide non-fullerene acceptor material and its application. Background technique [0002] Organic solar cells have received extensive attention because of their light weight, low cost, good flexibility, and large-area fabrication. In recent years, the emergence of non-fullerene acceptors not only makes up for the defects of fullerene acceptors in light absorption, but also can be easily chemically modified, so that non-fullerene organic solar cells can obtain high photoelectric conversion. efficiency, promoting the further development of solar cells. Perylene diimide acceptor materials can be synthesized from relatively cheap raw materials, their photoelectric properties are easy to tune, and they have strong self-assembly properties, good thermal and chemical stability, and high electron affinity can. The solubility, energy lev...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C07D519/00H01L51/42H01L51/46
CPCC07D519/00H10K85/655H10K85/656H10K85/6572H10K30/30Y02E10/549Y02P70/50
Inventor 彭强徐小鹏张美灵
Owner SICHUAN UNIV
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