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A kind of small molecule hole transport material for organic solar cell and its preparation method

A hole transport material, solar cell technology, applied in organic chemistry, circuits, photovoltaic power generation, etc., can solve the problems of poor repeatability, complicated preparation process, etc., and achieve the effect of simple preparation process, excellent water solubility and film-forming properties

Active Publication Date: 2021-09-03
NANCHANG HANGKONG UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Aiming at the complicated and cumbersome preparation process and poor repeatability of polymer hole transport materials for organic solar cells, the present invention aims to provide a small molecule hole transport material with simple preparation process, good repeatability, high purity and high photoelectric conversion efficiency. hole transport material

Method used

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  • A kind of small molecule hole transport material for organic solar cell and its preparation method
  • A kind of small molecule hole transport material for organic solar cell and its preparation method
  • A kind of small molecule hole transport material for organic solar cell and its preparation method

Examples

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Effect test

Embodiment 1

[0020] Add 1.0 molar parts of cyclopentathiophene and 20.0 milliliters of dimethyl sulfoxide to a glass three-necked flask, mechanically stir at room temperature for 20 minutes, then add 20.0 milliliters of 1.0 mol / liter potassium hydroxide aqueous solution and 2.0 molar parts of 1,4 Butane sultone, stirred mechanically at room temperature for 2.0 hours, then poured all the reactants in the glass three-necked flask into 100.0 ml of acetone, stirred mechanically at room temperature for 30 minutes, and then filtered with suction to obtain a solid intermediate product A;

[0021] Add 1.0 molar parts of intermediate product A and 30.0 milliliters of N,N-dimethylformamide to a three-necked glass flask, mechanically stir at room temperature for 20 minutes, then add 20.0 milliliters of N-bromosuccinimide and 20.0 ml of distilled water, stirred mechanically at room temperature for 1.0 hour, then poured all the reactants in the glass three-neck flask into 100.0 ml of acetone, stirred me...

Embodiment 2

[0024] Add 1.0 molar parts of cyclopentathiophene and 20.0 milliliters of dimethyl sulfoxide to a glass three-necked flask, mechanically stir at room temperature for 20 minutes, then add 20.0 milliliters of 1.0 mol / liter potassium hydroxide aqueous solution and 2.0 molar parts of 1,4 Butane sultone, stirred mechanically at room temperature for 3.0 hours, then poured all the reactants in the glass three-neck flask into 100.0 ml of acetone, stirred mechanically at room temperature for 30 minutes, and then filtered with suction to obtain a solid intermediate product A;

[0025] Add 1.0 molar parts of intermediate product A and 30.0 milliliters of N,N-dimethylformamide to a three-necked glass flask, mechanically stir at room temperature for 20 minutes, then add 20.0 milliliters of N-bromosuccinimide and 20.0 ml of distilled water, stirred mechanically at room temperature for 1.0 hour, then poured all the reactants in the glass three-neck flask into 100.0 ml of acetone, stirred mech...

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Abstract

The invention relates to a small molecule hole transport material for organic solar cells and a preparation method thereof. The preparation method specifically obtains an intermediate product through the addition reaction of cyclopentathiophene and 1,4-butane sultone, and then combines with N-bromosuccinimide reacts to obtain a brominated intermediate product, and the brominated intermediate product is reacted with 4-biphenylboronic acid to obtain the small molecule hole transport material 2,6-di-biphenyl-4,4 of the present invention ‑Potassium di‑butylsulfonate‑cyclopentathiophene. The small molecule hole-transporting material 2,6-di-biphenyl-4,4-di-butylsulfonate potassium-cyclopentathiophene prepared by the present invention is used for the hole-transporting layer of organic solar cells, and has the advantages of simple preparation process, It has the advantages of high purity and high photoelectric conversion efficiency.

Description

technical field [0001] The invention relates to a small molecule hole transport material for organic solar cells and a preparation method thereof, specifically belonging to the technical field of photoelectric materials. Background technique [0002] Organic solar cells are a new generation of photovoltaic power generation technology, with outstanding advantages such as low cost, light weight, flexibility, and strong designability, and have a wide range of applications. The hole transport layer is an important part of organic solar cells, which can regulate the energy level matching between the anode and the active layer, improve the efficiency of hole transport and collection, and improve the physical contact between the anode and the active layer, which can significantly improve the Photoelectric conversion efficiency and stability of organic solar cells. [0003] At present, the hole transport materials of organic solar cells are mostly polymers, which have the disadvant...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C07D495/04H01L51/42H01L51/46
CPCC07D495/04H10K85/6576H10K30/10Y02E10/549
Inventor 徐海涛陈锐
Owner NANCHANG HANGKONG UNIVERSITY
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