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Nickel ion and solvent regulated interface rapid controllable preparation method of cuprous bromide nanocrystal material

A technology of cuprous bromide and nanocrystals, which is applied in the growth of polycrystalline materials, chemical instruments and methods, crystal growth, etc., can solve the problems of high raw material costs, environmental pollution, long reaction time, etc., and achieve low cost and excellent morphology. Controllable, reaction-time-reducing effects

Inactive Publication Date: 2020-04-10
YANCHENG TEACHERS UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The reaction process of the above preparation method usually needs to be heated and must take place in the solution. The reaction time is longer, the cost of raw materials is high, and the mother liquor contains highly corrosive sulfuric acid, which often also leaves concentrated substances such as acid, sodium bromide, and iron. Environmental pollution caused by water and other disadvantages

Method used

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  • Nickel ion and solvent regulated interface rapid controllable preparation method of cuprous bromide nanocrystal material
  • Nickel ion and solvent regulated interface rapid controllable preparation method of cuprous bromide nanocrystal material
  • Nickel ion and solvent regulated interface rapid controllable preparation method of cuprous bromide nanocrystal material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] (1) Choose copper foil with a thickness of 25um. One or both sides of the copper foil are polished planes. Clean the surface of the copper foil with deionized water and dry it in an environment of 60°C for later use.

[0025] (2) Add copper bromide dihydrate powder into deionized water, stir for 2 minutes, and configure a copper bromide aqueous solution with a concentration of 0.5 mol / L.

[0026] (3) Coating an aqueous copper bromide solution with a concentration of 0.5 mol / L to the polished surface of the copper foil to form a uniform and continuous liquid film.

[0027] (4) Quickly place the copper foil carrying the copper bromide aqueous solution in an oven at a temperature of 60° C. for 5 minutes for drying treatment.

[0028] (5) The cuprous bromide crystal film on the surface of the copper foil is cleaned with absolute ethanol, and dried and stored.

Embodiment 2

[0030] (1) Choose copper foil with a thickness of 25um. One or both sides of the copper foil are polished planes. Clean the surface of the copper foil with deionized water and dry it in an environment of 60°C for later use.

[0031] (2) Add copper bromide dihydrate powder into a mixed solvent of deionized water and ethanol, stir for 2 minutes, and prepare a copper bromide solution with a concentration of 0.5 mol / L.

[0032] (3) Coating a copper bromide solution with a concentration of 0.5 mol / L on the polished surface of the copper foil to form a uniform and continuous liquid film.

[0033] (4) Quickly place the copper foil carrying the copper bromide solution in an oven at a temperature of 60° C. for 5 minutes for drying treatment.

[0034] (5) The cuprous bromide crystal film on the surface of the copper foil is cleaned with absolute ethanol, and dried and stored.

Embodiment 3

[0036] (1) Choose copper foil with a thickness of 25um. One or both sides of the copper foil are polished planes. Clean the surface of the copper foil with deionized water and dry it in an environment of 60°C for later use.

[0037] (2) Add copper bromide dihydrate powder into the ethanol solvent, stir for 2 minutes, and prepare a copper bromide solution with a concentration of 0.5 mol / L.

[0038] (3) Coating a copper bromide solution with a concentration of 0.5 mol / L on the polished surface of the copper foil to form a uniform and continuous liquid film.

[0039] (4) Quickly place the copper foil carrying the copper bromide solution in an oven at a temperature of 60° C. for 5 minutes for drying treatment.

[0040] (5) The cuprous bromide crystal film on the surface of the copper foil is cleaned with absolute ethanol, and dried and stored.

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Abstract

The invention provides a nickel ion and solvent regulated interface rapid controllable preparation method of a cuprous bromide nanocrystal material. According to the method, a volatile liquid is usedas a solvent of a copper bromide solution, nickel chloride is added into a copper bromide solution as a regulating agent, the surface of a copper foil is uniformly coated with the copper bromide solution, and a spontaneous reaction is performed to prepare the cuprous bromide crystal material. According to the invention, by adding nickel ions and adjusting the types of solvents, cuprous bromide crystals with amorphous, polyhedral, cake-shaped and sheet-shaped structures are directly prepared on a copper foil substrate, so that the cuprous bromide crystal material is rapidly prepared, the reaction time is greatly shortened, the reaction process is not limited in a solution any more, the field of cuprous bromide preparation methods is expanded, reaction additives are reduced, and the method has the characteristics of simple preparation, low cost and easiness in industrial batch production.

Description

technical field [0001] The invention relates to the field of preparation of cuprous bromide crystal materials, in particular to a rapid and controllable preparation method of the interface of cuprous bromide nano crystal materials regulated by nickel ions and solvents. Background technique [0002] Cuprous bromide is an inorganic halide, widely used in chemical industry, metallurgical industry, pharmaceutical chemical industry, pesticide engineering, etc. At present, the preparation method of cuprous bromide crystal material is mainly the reduction of divalent copper ions. For example, mix copper sulfate and potassium bromide solution, pass through sulfur dioxide gas to react, control the temperature at 40-60°C, wash, filter and dry the reactant to prepare cuprous bromide. Another method for preparing cuprous bromide is to add sulfuric acid ketone, copper powder, sodium bromide, concentrated sulfuric acid and water into a reflux device, and heat to reflux to prepare cuprous...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C30B7/14C30B29/12
CPCC30B7/14C30B29/12
Inventor 苗中正黄一麒吴昊
Owner YANCHENG TEACHERS UNIV
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