Preparation method of lead molybdate dendritic crystal

A technology of dendrites and lead molybdate is applied in chemical instruments and methods, molybdenum compounds, inorganic chemistry and other directions to achieve the effects of controllable morphology, simple operation and low cost

Active Publication Date: 2019-01-18
LUOYANG INST OF SCI & TECH
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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 lead molybdate dendrites

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  • Preparation method of lead molybdate dendritic crystal
  • Preparation method of lead molybdate dendritic crystal

Examples

Experimental program
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Embodiment 1

[0032] 1) Potassium sodium tartrate is dissolved in deionized water to form potassium sodium tartrate aqueous solution, and the concentration of potassium sodium tartrate in the solution is adjusted to be 0.2mol / L;

[0033] 2) dissolving lead nitrate in deionized water to form an aqueous solution of lead nitrate, adjusting the concentration of lead nitrate in the solution to be 0.2mol / L;

[0034] 3) the potassium sodium tartrate aqueous solution prepared in step 1) and the lead nitrate aqueous solution prepared in step 2) are mixed to obtain a lead tartrate precipitation solution (that is, a mixed solution of potassium nitrate and sodium nitrate containing lead tartrate precipitation), wherein tartaric acid The molar ratio of potassium sodium and lead nitrate is 1:1;

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

[0036] 5) dissolvi...

Embodiment 2

[0041] 1) Sodium potassium tartrate is dissolved in deionized water to form a sodium potassium tartrate aqueous solution, and the concentration of sodium sodium tartrate in the adjustment solution is 0.8mol / L;

[0042] 2) dissolving lead nitrate in deionized water to form an aqueous solution of lead nitrate, adjusting the concentration of lead nitrate in the solution to be 0.8mol / L;

[0043] 3) the potassium sodium tartrate aqueous solution prepared in step 1) and the lead nitrate aqueous solution prepared in step 2) are mixed to obtain a lead tartrate precipitation solution (that is, a mixed solution of potassium nitrate and sodium nitrate containing lead tartrate precipitation), wherein tartaric acid The molar ratio of potassium sodium and lead nitrate is 1:1;

[0044] 4) Sodium molybdate is dissolved in deionized water to form an aqueous solution of sodium molybdate, and the concentration of sodium molybdate in the adjustment solution is 1.2mol / L;

[0045] 5) dissolving po...

Embodiment 3

[0050] 1) Potassium sodium tartrate is dissolved in deionized water to form an aqueous solution of potassium sodium tartrate, and the concentration of potassium sodium tartrate in the solution is adjusted to be 1.0mol / L;

[0051] 2) dissolving lead nitrate in deionized water to form a lead nitrate aqueous solution, adjusting the concentration of lead nitrate in the solution to be 1.0mol / L;

[0052] 3) the potassium sodium tartrate aqueous solution prepared in step 1) and the lead nitrate aqueous solution prepared in step 2) are mixed to obtain a lead tartrate precipitation solution (that is, a mixed solution of potassium nitrate and sodium nitrate containing lead tartrate precipitation), wherein tartaric acid The molar ratio of potassium sodium and lead nitrate is 1:1;

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

[0054] 5) dissol...

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Abstract

The invention discloses a preparation method of lead molybdate dendritic crystal. Firstly a sodium molybdate solution, a lead nitrate solution, a sodium potassium tartrate solution, a polyvinylpyrrolidone solution are prepared, and then the lead nitrate solution is mixed with the sodium potassium tartrate solution to obtain a lead tartrate precipitation solution, the sodium molybdate solution is mixed with the polyvinylpyrrolidone solution, the lead tartrate precipitation solution is mixed with a mixed solution of sodium molybdate and polyvinylpyrrolidone, then water is evaporated, an obtainedprecursor is placed in a corundum crucible, and microwave reaction is performed for 10 to 30 minutes to obtain the lead molybdate dendritic crystal. The preparation method of the lead molybdate dendritic crystal, provided by the invention, has the advantages of controllable morphology, simple process, low cost and the like, industrial production is easy to realize, and the obtained lead molybdatedendritic crystal has very good application prospects in the fields such as optical fiber, luminescent materials, acousto-optic devices and photocatalysts.

Description

technical field [0001] The invention belongs to the field of inorganic non-metallic materials, and in particular relates to a preparation method of lead molybdate dendritic crystals. Background technique [0002] Molybdate has great application prospects in catalytic materials, laser donor materials, luminescent materials, magnetic materials, antibacterial materials, etc. due to its excellent optical, electrical, and magnetic properties. Lead molybdate is a very important functional material among molybdates. It has a very wide range of uses in many fields such as optical fibers, luminescent materials, acousto-optic devices, and photocatalysts. It is well known that the performance of nanomaterials depends on factors such as the shape and size of nanocrystals. Therefore, the preparation of lead molybdate nanocrystals with special shapes is of great significance in both theoretical research and practical applications. [0003] The increasing miniaturization and complexity of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01G39/00
CPCC01G39/00C01P2002/72C01P2004/04C01P2004/30C01P2004/61C01P2004/62C01P2006/12
Inventor 杨琳琳陈建王玉江王永刚阳勇福王黎
Owner LUOYANG INST OF SCI & TECH
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