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Carbon nanotube phthalocyanine nano composite material and preparation method and application thereof

A technology of nanocomposite materials and carbon nanotubes, applied in the direction of carbon compounds, chemical instruments and methods, fibrous fillers, etc., can solve the problems of poor solubility and limited application of phthalocyanine, achieve good dispersion stability, improve rapid transfer, The effect of simple preparation method

Inactive Publication Date: 2020-12-08
CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the solubility of unsubstituted phthalocyanine is very poor, which limits its application to a large extent.

Method used

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  • Carbon nanotube phthalocyanine nano composite material and preparation method and application thereof
  • Carbon nanotube phthalocyanine nano composite material and preparation method and application thereof
  • Carbon nanotube phthalocyanine nano composite material and preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] Take 1 g of multi-walled carbon nanotubes and disperse them in 150 mL of concentrated nitric acid. After ultrasonication for 15 minutes, heat the mixture to 100°C-120°C for 8 hours. Wash with ionized water until neutral, and dry in vacuum at 70° C. for 24 hours to obtain 900 mg of carboxylated carbon nanotubes.

Embodiment 2

[0040] Dissolve 500 mg of metal-free phthalocyanine in 100 mL of concentrated sulfuric acid, add 100 mL of deionized water after the dissolution is complete, add 300 mg of carboxylated carbon nanotubes under stirring, heat the above mixture to 60°C for 24 hours, and cool to room temperature after the reaction. Filter with a 0.22 μm filter membrane, wash the product with deionized water until neutral, and dry it in vacuum at 70°C for 24 hours to obtain 400 mg of carbon nanotube phthalocyanine nanocomposite material I. Carry out infrared test to the carbon nanotube phthalocyanine nanocomposite material I that embodiment 2 prepares, test result is as follows figure 1 . 3440cm -1 The nearby peak with stronger intensity is the stretching vibration peak of the carboxyl O-H bond of carbon nanotubes; 1638cm -1 The nearby peak is the carbonyl characteristic peak of carboxyl; 1404cm -1 The nearby peaks are characteristic peaks of C-N bonds, indicating that nitrogen has been introduce...

Embodiment 3

[0042] Take 500 mg of carboxylated carbon nanotubes and disperse 500 mg of carboxylated carbon nanotubes in 30 mL of thionyl chloride, seal the tube and heat to 70 ° C for 24 hours. The product is washed with dichloromethane to remove excess thionyl chloride, and vacuum-dried to obtain the acid chloride product . Disperse the above acyl chloride carbon nanotubes in 200 mL of dichloromethane, add 5 g of polyetheramine D2000, react at room temperature for 24 hours, filter the product, wash off excess polyetheramine with dichloromethane, and vacuum dry to obtain aminated carbon nanotubes; Dissolve 600 mg of metal-free phthalocyanine in 100 mL of concentrated sulfuric acid, add 400 mL of deionized water after the dissolution is complete, add 360 mg of aminated carbon nanotubes under stirring, heat the above mixture to 60°C for 24 hours, and cool to room temperature after the reaction , filtered through a 0.22 μm filter membrane, the product was washed with deionized water until ne...

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Abstract

The invention relates to a carbon nanotube phthalocyanine nano composite material and a preparation method and application thereof, and belongs to the field of laser protection. The carbon nano tube phthalocyanine nano composite material is a compound of a carbon nano tube and phthalocyanine, the carbon nano tube is a carbon nano tube with the surface subjected to carboxylation or amination, and the phthalocyanine is metal-free phthalocyanine. The preparation method thereof comprises the following steps: dissolving metal-free phthalocyanine in concentrated sulfuric acid, adding deionized water, adding carboxylated or aminated carbon nanotubes into the solution, carrying out a heating reaction, filtering, washing, and carrying out vacuum drying to obtain the carbon nanotube phthalocyanine nano composite material. The nano composite material is a functionalized carbon nanotube phthalocyanine composite material prepared by compounding carboxylated or aminated carbon nanotubes and metal-free phthalocyanine, the preparation method is simple, and the prepared composite material is good in dispersion stability and stable in performance in an organic solvent, has good third-order nonlinearoptical performance. The invention can be used for laser protection.

Description

technical field [0001] The invention relates to the field of laser protection, in particular to a carbon nanotube phthalocyanine nanocomposite material and its preparation method and application. Background technique [0002] The advancement of modern science and technology has promoted the wide application of laser technology in the fields of medicine, scientific research, industrial production and military affairs. Because lasers can cause serious damage to human eyes and optical instruments, with the continuous development of laser technology and the continuous expansion of application fields, coupled with the increasing number of high-energy, high-power, short-pulse lasers, laser protection has gradually attracted people's attention. [0003] Carbon nanotubes are seamless, hollow coaxial tubes rolled from sheet-structured graphite, with a certain distance between layers, about 0.34nm. Due to its unique mechanical, electrical, optical properties and quasi-one-dimensional...

Claims

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Application Information

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IPC IPC(8): C01B32/168C09C1/44C09C3/08
CPCC09C1/44C09C3/08C01B32/168
Inventor 王挺峰孙涛汤伟
Owner CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI
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