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Preparation method and application of SbPO4 microsphere

A microsphere, hydrothermal method, applied in chemical instruments and methods, chemical/physical processes, physical/chemical process catalysts, etc., can solve problems that have not yet been discovered, and achieve short reaction time, mild reaction conditions, and simple preparation methods. Effect

Inactive Publication Date: 2016-08-17
XIANGTAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Synthesis of SbPO by Ionic Liquid-Assisted Hydrothermal Method 4 Microspheres, so far no reports on this aspect have been found at home and abroad

Method used

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  • Preparation method and application of SbPO4 microsphere
  • Preparation method and application of SbPO4 microsphere
  • Preparation method and application of SbPO4 microsphere

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] a SbPO 4 The preparation method of microspheres is synthesized by ionic liquid-assisted hydrothermal method, comprising the following steps:

[0027] (1) Dissolve 0.001mol ionic liquid ([BMIM]P) in 15mL deionized water under magnetic stirring, and stir for 10min to dissolve completely;

[0028] (2) Under magnetic stirring, 0.002mol SbCl 3 Dissolve in the solution prepared in step 1, and stir for 30 minutes to obtain the precursor;

[0029] (3) Transfer the above-mentioned precursors to the reactor, the volume filling volume of the precursor is 80%, seal the reactor and place it in an oven, the reaction temperature is 160°C, and the reaction time is 24h;

[0030] (4) After the reaction, wash with absolute ethanol and deionized water for 3 times, and finally dry at 70°C for 12 hours to obtain SbPO 4 Microspheres.

[0031] Depend on figure 1 The resulting SbPO 4 The SEM image of the microspheres, it can be seen that the SbPO prepared under this condition 4 The diame...

Embodiment 2

[0033] a SbPO 4 The preparation method of microspheres is synthesized by ionic liquid-assisted hydrothermal method, comprising the following steps:

[0034] (1) Dissolve 0.002mol ionic liquid ([BMIM]P) in 15mL deionized water under magnetic stirring, and stir for 10min to dissolve completely;

[0035] (2) Under magnetic stirring, 0.002mol SbCl 3 Dissolve in the solution prepared in step 1, and stir for 30 minutes to obtain the precursor;

[0036] (3) Transfer the above-mentioned precursors to the reactor, the volume filling volume of the precursor is 80%, seal the reactor and place it in an oven, the reaction temperature is 160°C, and the reaction time is 24h;

[0037] (4) After the reaction, wash with absolute ethanol and deionized water for 3 times, and finally dry at 70°C for 12 hours to obtain SbPO 4 Microspheres.

[0038] Depend on figure 2 The resulting SbPO 4 The SEM image of the microspheres, it can be seen that the SbPO prepared under this condition 4 The diam...

Embodiment 3

[0041] a SbPO 4 The preparation method of microspheres is synthesized by ionic liquid-assisted hydrothermal method, comprising the following steps:

[0042] (1) Dissolve 0.003mol ionic liquid ([BMIM]P) in 15mL deionized water under magnetic stirring, and stir for 10min to dissolve completely;

[0043] (2) Under magnetic stirring, 0.002mol SbCl 3 Dissolve in the solution prepared in step 1, and stir for 30 minutes to obtain the precursor;

[0044] (3) Transfer the above-mentioned precursors to the reactor, the volume filling volume of the precursor is 80%, seal the reactor and place it in an oven, the reaction temperature is 160°C, and the reaction time is 24h;

[0045] (4) After the reaction, wash with absolute ethanol and deionized water for 3 times, and finally dry at 70°C for 12 hours to obtain SbPO 4 Microspheres.

[0046] Depend on image 3 The resulting SbPO 4 The SEM image of the microspheres, it can be seen that the SbPO prepared under this condition 4 The diame...

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Abstract

The invention discloses a preparation method and application of a SbPO4 microsphere. The method comprises the steps of: under magnetic stirring, dissolving an ionic liquid ([BMIM]P) in 15mL of deionized water and stirring for 10min for complete dissolution; under magnetic stirring, dissolving 0.002mol of SbCl3 in the above prepared solution, and stirring for 30min to obtain a precursor; transferring the precursor to a reaction vessel, wherein the volume of the precursor filler content is 80%, sealing the reaction vessel and conducting constant temperature reaction in an oven; and after the reaction, respectively washing with ethanol and deionized water three times, and finally drying at constant temperature of 70 DEG C for 12h to obtain SbPO4 microspheres. The SbPO4 microsphere prepared by the invention has evenly distributed morphology and good UV catalytic activity; and the preparation method uses green pollution-free raw materials, has simple preparation process, short reaction time, mild reaction conditions, and broad application prospects.

Description

technical field [0001] The present invention relates to a kind of SbPO 4 The preparation method and application of microspheres belong to the technical field of inorganic materials. Background technique [0002] Since the 21st century, environmental pollution and sustainable energy development have become the greatest challenges faced by mankind, and green chemistry has gradually been valued by scientists at home and abroad. In recent years, green chemistry technologies that utilize photocatalysis to degrade organic pollutants into inorganic substances have attracted increasing attention. with TiO 2 The representative photocatalytic materials have the advantages of high sensitivity, high photochemical stability, low cost and non-toxicity, and have become a research hotspot. However, due to TiO 2 The high photogenerated electron-hole recombination rate and wide bandgap (3.0~3.2ev) greatly limit its application in the field of photocatalytic degradation of organic polluta...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01B25/37B01J27/186B01J35/08
CPCC01B25/37B01J27/186B01J35/51B01J35/39
Inventor 李涛海狄昱彤
Owner XIANGTAN UNIV
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