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Preparation method of dendritic cadmium molybdate crystals

A technology of dendritic crystal and cadmium molybdate, applied in chemical instruments and methods, molybdenum compounds, inorganic chemistry and other directions, to achieve the effects of good crystallinity, low cost and simple operation

Active Publication Date: 2019-02-15
LUOYANG INST OF SCI & TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

There is no report on the preparation of cadmium molybdate dendrites

Method used

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  • Preparation method of dendritic cadmium molybdate crystals
  • Preparation method of dendritic cadmium molybdate crystals

Examples

Experimental program
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Embodiment 1

[0032] 1) Dissolve sodium benzoate in deionized water to form an aqueous solution of sodium benzoate, and adjust the concentration of sodium benzoate in the solution to 0.3 mol / L;

[0033] 2) Dissolve cadmium chloride in deionized water to form an aqueous solution of cadmium chloride, and adjust the concentration of cadmium chloride in the solution to 0.2mol / L;

[0034] 3) Mix the sodium benzoate aqueous solution prepared in step 1) and the cadmium chloride aqueous solution prepared in step 2) to obtain a cadmium benzoate precipitation solution (referring to a mixture of cadmium benzoate precipitation and sodium chloride solution), in which benzene The molar ratio of sodium formate and cadmium chloride is 1.5:1;

[0035] 4) Dissolve sodium molybdate in deionized water to form an aqueous solution of sodium molybdate, and adjust the concentration of sodium molybdate in the solution to 0.3 mol / L;

[0036] 5) Dissolve polyvinyl alcohol in deionized water to form a polyvinyl alcohol aqueou...

Embodiment 2

[0041] 1) Dissolve sodium benzoate in deionized water to form an aqueous solution of sodium benzoate, and adjust the concentration of sodium benzoate in the solution to 0.9 mol / L;

[0042] 2) Dissolve cadmium chloride in deionized water to form an aqueous solution of cadmium chloride, and adjust the concentration of cadmium chloride in the solution to 0.6mol / L;

[0043] 3) The sodium benzoate aqueous solution prepared in step 1) and the cadmium chloride aqueous solution prepared in step 2) are mixed to obtain a cadmium benzoate precipitate and a sodium chloride solution, wherein the molar ratio of sodium benzoate to cadmium chloride is 1.5: 1;

[0044] 4) Dissolve sodium molybdate in deionized water to form an aqueous solution of sodium molybdate, and adjust the concentration of sodium molybdate in the solution to 0.9mol / L;

[0045] 5) Dissolve polyvinyl alcohol in deionized water to form a polyvinyl alcohol aqueous solution, and adjust the concentration of polyvinyl alcohol in the so...

Embodiment 3

[0050] 1) Dissolve sodium benzoate in deionized water to form an aqueous solution of sodium benzoate, and adjust the concentration of sodium benzoate in the solution to 1.5 mol / L;

[0051] 2) Dissolve cadmium chloride in deionized water to form an aqueous solution of cadmium chloride, and adjust the concentration of cadmium chloride in the solution to 1.0mol / L;

[0052] 3) The sodium benzoate aqueous solution prepared in step 1) and the cadmium chloride aqueous solution prepared in step 2) are mixed to obtain a cadmium benzoate precipitate and a sodium chloride solution, wherein the molar ratio of sodium benzoate to cadmium chloride is 1.5: 1;

[0053] 4) Dissolve sodium molybdate in deionized water to form an aqueous solution of sodium molybdate, and adjust the concentration of sodium molybdate in the solution to 1.5 mol / L;

[0054] 5) Dissolve polyvinyl alcohol in deionized water to form a polyvinyl alcohol aqueous solution, and adjust the concentration of polyvinyl alcohol in the s...

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Abstract

The invention relates to a preparation method of dendritic cadmium molybdate crystals. The preparation method comprises the following steps: firstly, preparing an aqueous sodium benzoate solution andan aqueous cadmium chloride solution respectively, and mixing the two to obtain a cadmium benzoate precipitate solution; then, preparing an aqueous sodium molybdate solution of and an aqueous polyvinyl alcohol solution, and mixing the two; mixing the cadmium benzoate precipitate solution with a mixed solution of the sodium molybdate and polyvinyl alcohol, then evaporating moisture from an obtainedmixture, then performing microwave treatment, and washing, filtering and drying to obtain the dendritic cadmium molybdate crystals. According to the preparation method, a technology is simple, the morphology is controllable, and industrial production is easy to achieve. The prepared dendritic cadmium molybdate crystals adopt ordered dendritic structures, have relatively large specific surface area and have a very good application prospect in the fields of laser materials, magnetic materials, photoluminescence, photocatalytic materials, optical fiber, scintillator detectors, sensors and the like.

Description

Technical field [0001] The invention belongs to the technical field of inorganic non-metallic materials, and specifically relates to a method for preparing cadmium molybdate dendrites. Background technique [0002] Because of its excellent optical, electrical and magnetic properties, molybdate has great application prospects in catalytic materials, laser donor materials, luminescent materials, magnetic materials, and antibacterial materials. Cadmium molybdate is a very important functional material in molybdates. It has a wide range of applications in many fields such as laser and photoelectric, photocatalysis, luminescence and display, and detection technology. As we all know, the performance of nanomaterials depends on factors such as the morphology and size of nanocrystals. Therefore, the preparation of cadmium molybdate nanocrystals with special morphology is of great significance in theoretical basic research and practical applications. [0003] The increasing miniaturization...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01G39/00B82Y40/00
CPCB82Y40/00C01G39/00C01P2004/30C01P2004/61C01P2004/62C01P2004/64C01P2006/12C01P2006/80
Inventor 王永刚王玉江杨琳琳郭六法
Owner LUOYANG INST OF SCI & TECH