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A preparation method of a highly dispersive copper phthalocyanine photoelectric material

A photoelectric material and high dispersion technology, applied in photovoltaic power generation, chemical instruments and methods, circuits, etc., can solve problems such as poor dispersion performance, agglomeration, and photoelectric performance reduction of copper phthalocyanine

Inactive Publication Date: 2018-12-28
FOSHAN WANHE NEW ENERGY TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The main technical problem to be solved by the present invention is to provide a method for preparing a highly dispersible copper phthalocyanine photoelectric material in view of the poor dispersion performance of copper phthalocyanine in solvents and the serious agglomeration phenomenon leading to the reduction of its photoelectric performance.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

example 1

[0024] Mix copper phthalocyanine and a dopamine solution with a mass concentration of 3g / L according to a mass ratio of 1:8 and put it into an ultrasonic oscillator, and react with ultrasonic oscillation at a frequency of 28kHz for 1h. After the reaction is completed, filter and separate to obtain a reaction filter residue; The filter residue and deionized water are mixed according to the mass ratio of 1:10 and put into a beaker, stirred and reacted at a speed of 200r / min for 15 minutes to obtain a suspension, then add lecithin with a suspension quality of 10% to the beaker, and continue to stir and react for 25 minutes. Obtain the pre-reaction solution; continue dripping the potassium permanganate solution that the mass fraction of 10% of the pre-reaction solution quality is 30% in the beaker, continue to stir and react for 30min after the addition is completed, filter after the reaction finishes, and separate to obtain the reaction filter cake, Standby; mix the graphene powde...

example 2

[0026] According to the mass ratio of 1:8, copper phthalocyanine and dopamine solution with a mass concentration of 3g / L are mixed and placed in an ultrasonic oscillator, and the frequency of 29kHz is ultrasonically oscillated for 1h, and after the reaction is completed, filter and separate to obtain a reaction filter residue; The filter residue and deionized water were mixed according to the mass ratio of 1:10, then put into a beaker, stirred and reacted at a speed of 250r / min for 18 minutes to obtain a suspension, then added lecithin with a suspension quality of 10% to the beaker, and continued to stir for 30 minutes. Obtain the pre-reaction solution; in the beaker, continue to drip the mass fraction of 10% of the pre-reaction solution quality as a 30% potassium permanganate solution, continue to stir and react for 35min after the dropwise addition is completed, filter after the reaction finishes, and separate to obtain the reaction filter cake, Standby; mix the graphene powd...

example 3

[0028]According to the mass ratio of 1:8, copper phthalocyanine and dopamine solution with a mass concentration of 3g / L are mixed and then placed in an ultrasonic oscillator, and reacted with ultrasonic oscillation at a frequency of 30kHz for 2h. After the reaction is completed, filter and separate to obtain a reaction filter residue; The filter residue and deionized water are mixed according to the mass ratio of 1:10 and put into a beaker, stirred and reacted at a speed of 300r / min for 20 minutes to obtain a suspension, then add lecithin with a suspension quality of 10% to the beaker, and continue to stir and react for 35 minutes. Obtain the pre-reaction solution; continue dripping the potassium permanganate solution that the mass fraction of 10% of the pre-reaction solution quality is 30% in the beaker, continue to stir and react for 40min after the completion of the dropwise addition, filter after the reaction finishes, and separate to obtain the reaction filter cake, Standb...

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Abstract

The invention relates to a preparation method of a highly dispersible copper phthalocyanine photoelectric material, belonging to the technical field of new energy sources. At first, that cop phthalocyanine and the dopamine solution are oscillatory reacted, the oscillating filter residue and lecithin are reacted and oxidized with potassium permanganate solution, so that a reaction filter cake is obtained, a surface of the graphene is then pre-modified with ethanol, at last, the modified graphene and the reaction filter cake are reacted in the dimethyl acetamide to finally prepare the highly dispersive copper phthalocyanine photoelectric material. The highly dispersive copper phthalocyanine photoelectric material prepared by the invention has good dispersibility, good photoelectric performance and wide application prospect.

Description

technical field [0001] The invention relates to a preparation method of a highly dispersible copper phthalocyanine photoelectric material, which belongs to the technical field of new energy sources. Background technique [0002] Phthalocyanine is a macrocyclic compound with a cavity in the ring. Various metal elements can be accommodated in the cavity to form metal phthalocyanine compounds. The macrocyclic structure of copper phthalocyanine contains four mutually symmetrical nitrogen atoms, which are connected to the copper atom in the middle of the ring, and combine with the nitrogen atom on the ring structure in the form of a coordination bond to form a metal complex. The performance of the metal complex is relatively stable. [0003] It is a P-type semiconductor with a narrow band gap, strong absorption in the visible and ultraviolet regions, and good photoelectric properties. In addition, it has excellent light, heat and stability due to its unique conjugated structur...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L51/42H01L51/46C01B32/194
CPCC01B32/194H10K85/311H10K30/00Y02E10/549
Inventor 裘友玖丁春美
Owner FOSHAN WANHE NEW ENERGY TECH CO LTD
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