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

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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 SbPO 4 The preparation method and application of the microspheres include the following steps: under magnetic stirring, dissolve the ionic liquid ([BMIM]P) in 15 mL of deionized water, and stir for 10 min to completely dissolve it. Under magnetic stirring, 0.002mol SbCl 3 Dissolve in the solution prepared above, and stir for 30 minutes to obtain a precursor. The precursor was transferred to the reaction kettle, the volume filling volume of the precursor was 80%, the kettle was sealed and placed in an oven at a constant temperature for reaction. After the reaction, wash with absolute ethanol and deionized water three times respectively, and finally dry at constant temperature at 70 °C for 12 h to obtain SbPO 4 Microspheres. SbPO prepared by the present invention 4 The distribution of microspheres is even, and it has good ultraviolet photocatalytic activity. The preparation raw materials are green and pollution-free, the preparation process is simple, the reaction time is short, and the reaction conditions are mild, so it has a wide application prospect.

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
CPCC01B25/37B01J27/186B01J35/004B01J35/08
Inventor 李涛海狄昱彤
Owner XIANGTAN UNIV
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