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Aromatic ring modified organic photovoltaic material and preparation method thereof

A technology of organic photovoltaic materials and aromatic rings, applied in the field of photovoltaic materials, can solve the problems of short battery life, insufficient stability and durability, high body resistance, etc., and achieve long battery life, good durability, and good stability Effect

Active Publication Date: 2017-02-08
赫冉新能源科技扬州有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Of course, there are still many shortcomings in existing organic solar materials: low material mobility, high bulk resistance, resulting in low energy conversion rate; insufficient stability and durability of materials, and short battery life

Method used

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  • Aromatic ring modified organic photovoltaic material and preparation method thereof
  • Aromatic ring modified organic photovoltaic material and preparation method thereof
  • Aromatic ring modified organic photovoltaic material and preparation method thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0056] The aromatic ring modified organic photovoltaic material is prepared by the following method:

[0057] (1) In DMF solvent, 2mol compound (1) and 4mol POCl 3 React at room temperature for 1.5h to obtain compound (2);

[0058]

[0059] MS (m / z): 199.05;

[0060] (2) Under alkaline conditions, 1.5 mol of compound (3-1) was reacted at 350°C for 8 hours, and intramolecular cyclization was performed to obtain compound (4-1);

[0061]

[0062] MS (m / z): 246.12;

[0063] (3) In the presence of TFA catalyst and DDQ oxidant, 1 mol of compound (2) and 1 mol of compound (4-1) were reacted at room temperature for 8 hours to obtain compound (I-1) and compound (II-1);

[0064]

[0065] MS (m / z): 822.32.

Embodiment 2

[0067]Aromatic ring-modified organic photovoltaic materials, prepared by the following method:

[0068] (1) In DMF solvent, 2mol compound (1) and 6mol POCl 3 React at room temperature for 0.5h to obtain compound (2);

[0069]

[0070] MS (m / z): 199.05;

[0071] (2) Under alkaline conditions, 1.5 mol of compound (3-2) was reacted at 340°C for 12 hours, and intramolecular cyclization was performed to obtain compound (4-2);

[0072]

[0073] MS (m / z): 274.15;

[0074] (3) In the presence of TFA catalyst and DDQ oxidant, 1 mol of compound (2) and 1 mol of compound (4-2) were reacted at room temperature for 12 hours to obtain compound (I-2) and compound (II-2).

[0075]

[0076] MS (m / z): 878.38.

Embodiment 3

[0078] Aromatic ring-modified organic photovoltaic materials, prepared by the following method:

[0079] (1) In DMF solvent, 2mol compound (1) and 5mol POCl 3 React at room temperature for 1 h to obtain compound (2);

[0080]

[0081] MS (m / z): 199.05;

[0082] (2) Under alkaline conditions, 1.5 mol of compound (3-3) was reacted at 345°C for 10 h, and intramolecular cyclization was performed to obtain compound (4-3);

[0083]

[0084] MS (m / z): 154.05;

[0085] (3) In the presence of TFA catalyst and DDQ oxidant, 1.1 mol of compound (2) and 1 mol of compound (4-3) were reacted at room temperature for 10 h to obtain compound (I-3) and compound (II-3).

[0086]

[0087] MS (m / z): 738.23.

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Abstract

The invention provides an aromatic ring-modified organic photovoltaic material and a preparation method thereof, the structural formula of which is shown in formula (I). The invention also provides a preparation method of the above material. The aromatic ring-modified organic photovoltaic material provided by the invention has high material mobility, high energy conversion rate, good material stability, good durability, and long battery life.

Description

technical field [0001] The invention belongs to the field of photovoltaic materials, in particular to an aromatic ring-modified organic photovoltaic material, and also relates to a preparation method of the photovoltaic material. Background technique [0002] With the global energy shortage and environmental protection issues becoming more and more prominent, the utilization of renewable energy has attracted extensive attention. As an important form of renewable energy, photovoltaic power generation is one of the power generation methods with the most large-scale development conditions and commercial development prospects in renewable energy, and it has attracted more and more attention. Manufacturing of solar panels has expanded rapidly over the past few decades. In 2013, the growth rate of the solar energy industry in the United States was as high as 116%, which is second to none in the field of new energy technologies. The installed capacity of the solar photovoltaic po...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C07D519/00H01L51/42H01L51/46H01L51/48
CPCC07D519/00H10K85/657H10K85/371H10K85/6572H10K30/00Y02E10/549
Inventor 陈宝山李超徐飞张立恒徐福祥徐芳刘连峰
Owner 赫冉新能源科技扬州有限公司