A kind of dissolving system and dissolving method for dissolving graphite phase carbon nitride

A graphite phase carbon nitride and system technology, applied in the field of nanomaterials, can solve problems such as application limitations, and achieve the effects of excellent dissolution performance, safety and environmental protection of the dissolution system

Active Publication Date: 2022-06-14
MINNAN NORMAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although there have been literature reports on the use of concentrated sulfuric acid or sulfonic acid-based solvents to dissolve carbon nitride, the application of the solvent system has been limited due to the fact that it is a strong acid.

Method used

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  • A kind of dissolving system and dissolving method for dissolving graphite phase carbon nitride

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] a) The graphite phase carbon nitride and zinc chloride are mixed uniformly according to the mass ratio of 1:15.

[0033] b) The mixed material obtained in step 1, add a certain amount of water, so that the solvent water as a percentage of the total mass is 25%.

[0034] c) The mixture obtained in step 2 is stirred at 120 ° C until it forms a homogeneous transparent solution.

[0035] d) The graphite phase carbon nitride solution prepared in step 3 is diluted by adding 10 times the mass of water to regenerate the graphite phase carbon nitride from the solvent system.

[0036] The results of the present invention are seen Figure 1 。

Embodiment 2

[0038] a) The graphite phase carbon nitride and stannous chloride are mixed uniformly according to the mass ratio of 1:30.

[0039] b) Add a certain amount of water to the mixed material obtained in step 1 so that the solvent water accounts for 30% of the total mass.

[0040] c) The mixture obtained in step 2 was stirred at 150 ° C until it formed a homogeneous transparent solution.

[0041] d) The graphite phase carbon nitride solution prepared in step 3 is diluted by adding 20 times the mass of water to regenerate the graphite phase carbon nitride from the solvent system.

Embodiment 3

[0043] a) The graphite phase carbon nitride is mixed with zinc chloride and tin chloride according to the mass ratio of 1:13:2.

[0044] b) The mixed material obtained in step 1, add a certain amount of water, so that the solvent water as a percentage of the total mass is 25%.

[0045] c) The mixture obtained in step 2 is stirred at 80 ° C until it forms a homogeneous transparent solution.

[0046] d) The graphite phase carbon nitride solution prepared in step 3 is diluted by adding 20 times the mass of ethanol to regenerate the graphite phase carbon nitride from the solvent system.

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Abstract

The invention discloses a dissolution system and a dissolution method for dissolving graphitic carbon nitride, comprising: a chemical reagent comprising at least one of the following: halide salts, nitrates or sulfuric acid of lithium, zinc, aluminum, tin At least one of the salts; water as a solvent and graphitic carbon nitride to be dissolved; wherein, the amount of the chemical reagent is 20% to 80% of the total mixture mass, and the solvent accounts for 20% to 80% of the total mixture mass, The total mixture is a mixture of graphitic carbon nitride, chemical reagents and solvents. The invention has the advantages of environmental protection and good solubility.

Description

Technical field [0001] The present invention discloses a graphite phase carbon nitride dissolving system and method, belonging to the field of nanomaterials technology. Background [0002] Graphite phase carbon nitride is a two-dimensional semiconductor material with excellent performance and stable physical and chemical properties composed of carbon and nitrogen elements. Due to its advantages of good and more suitable semiconductor band structure, non-toxic and easy to obtain raw materials, and no metals, it has received widespread attention in recent years. It has received widespread attention in the photodegradation of organic pollutants, photolysis of water to hydrogen, photosynthesis, and luminous quantum dots. Graphite phase carbon nitride is difficult to dissolve by general solvents due to its excellent chemical stability. At present, although there are literature reports on the use of concentrated sulfuric acid or sulfonic acid-based solvents to dissolve carbon nitride, ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01F21/00
CPCB01F21/02
Inventor 申大志李云华
Owner MINNAN NORMAL UNIV
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