Fluorine-containing two-dimensional conjugate benzo-difuran and pyrazine copolymer photovoltaic material, and preparation method and application thereof

A benzodifuran, two-dimensional conjugation technology, used in photovoltaic power generation, semiconductor/solid-state device manufacturing, electrical components, etc., can solve the problems of limiting the application of such substances, insufficient photoelectric conversion efficiency, etc., and achieve good photoelectric conversion efficiency. , Good photoelectric conversion characteristics, the effect of wide absorption spectrum
CN110372849AInactive Publication Date: 2019-10-25HUNAN UNIV OF ARTS & SCI
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
HUNAN UNIV OF ARTS & SCI
Publication Date
2019-10-25
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention relates to the technical field of polymer photovoltaic materials, in particular to a fluorine-containing two-dimensional conjugate benzo-difuran and pyrazine copolymer photovoltaic material, and a preparation method and application thereof. The structural formula of the fluorine-containing two-dimensional conjugate benzo-difuran and pyrazine copolymer photovoltaic material is shown as follows (please see the specifications for the formula), wherein R is an alkyl group. A copolymer is an electronic donor material, and the fluorine-containing two-dimensional conjugate benzo-difuranand pyrazine copolymer photovoltaic material is applied to a polymer solar cell, has wide visible region absorption, the low HOMO energy level, the relative narrow band gap and the high photovoltaicconversion efficiency.
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Description

technical field

[0001] The invention relates to the technical field of polymer photovoltaic materials, in particular to a fluorine-containing two-dimensional conjugated benzodifuran and pyrazine copolymer photovoltaic material, a preparation method and an application. Background technique

[0002] With the increasingly serious phenomenon of global warming and the depletion of fossil energy (coal, oil and natural gas, etc.), countries all over the world have adopted strict controls on carbon dioxide emissions. Therefore, solar energy, as a renewable clean energy, has been paid more and more attention by the global scientific and industrial circles. As a new type of solar cell, polymer solar cells have achieved rapid development in the past two decades due to their unique advantages of light weight and large-area flexible devices that can be printed, and have become the current global energy field. One of the hot spots.

[0003] Research progress of polymer solar cell materi...

Claims

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