Organic small-molecule donor photovoltaic material containing fluorinated benzotriazole as well as preparation method and application of organic small-molecule donor photovoltaic material

An organic and photoelectric technology, applied in photovoltaic power generation, organic chemistry, silicon organic compounds, etc., can solve the problem of low photoelectric conversion efficiency, and achieve the effect of superior photovoltaic performance, easy purification, and structure determination.
CN107365318AInactive Publication Date: 2017-11-21INST OF CHEM CHINESE ACAD OF SCI
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
INST OF CHEM CHINESE ACAD OF SCI
Publication Date
2017-11-21
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention discloses an organic small-molecule donor photovoltaic material containing fluorinated benzotriazole as well as a preparation method and application of the organic small-molecule donor photovoltaic material. The organic small-molecule donor photovoltaic material has a structural formula as shown in formula I, wherein X is H or F; Z is O, S or Se; R1, R2 and R3 are independently selected from H, C1-C30 alkyl groups, C3-C30 naphthenic bases, C1-C30 alkoxy groups, C1-C30 alkyl sulphanyls, halogeneated C1-C30 alkyl groups, halogeneated C3-C30 naphthenic bases and halogeneated C1-C30 alkoxy groups; each of A1 and A2 is an organic conjugated unit; and n is a natural number from 1 to 10. The application of an organic photoelectric compound to the following functional energy devices including a solar battery, a field effect transistor, an organic light emitting diode and a photovoltaic device also belongs to the protection scope of the invention. The organic photoelectric compound provided by the invention is simple in synthesis step, easy to purify and determined in structure; and the organic photovoltaic device prepared from the organic photoelectric material provided by the invention has excellent photovoltaic property, and the photoelectric conversion efficiency can reach 9.5%.
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Description

technical field

[0001] The invention relates to an organic small molecule donor photovoltaic material containing fluorine-banded benzotriazole, a preparation method and application thereof. Background technique

[0002] With the increasing depletion of fossil energy, energy shortage has become an urgent problem in the world; solar energy has the advantages of cleanness, greenness, pollution-free, wide distribution, and renewable, and has the most development prospects. The development and utilization of solar energy will be an effective way to deal with the energy crisis. Solution. Due to the advantages of low cost, light weight, bendability, solution processability and large area preparation, organic solar cells have received extensive attention in academia. So far, through the optimization of molecular structure, device structure and processing technology, the photoelectric conversion efficiency of solar cells based on the blending of polymer donors or small molecule dono...

Claims

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