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Preparation method of ZnSn(OH)6 porous photocatalytic material

A technology of photocatalytic materials and raw materials, applied in chemical instruments and methods, physical/chemical process catalysts, metal/metal oxide/metal hydroxide catalysts, etc., can solve the problems of lack of catalytic performance and application research reports, etc. It has the advantages of convenient operation, cheap and easy-to-obtain raw materials, and simple preparation process.

Inactive Publication Date: 2010-09-08
SHANDONG UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

ZnSn(OH) prepared by common method 6 Can be used as a polymer additive, with flame retardancy (Zhang Yudong et al. Acta Physicochemical Science, 2007, 23(7): 1095-1098.), lubrication (Zhang Yudong et al. Lubrication and Sealing, 2006(9): 80-82, 86 .) and other effects, can also be used to prepare Zn 2 SnO 4 and ZnSnO 3 (Zeng J, et al.J.Phys.Chem.C, 2008, 112:4159-4167.), but there is no research report on catalytic performance and application

Method used

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  • Preparation method of ZnSn(OH)6 porous photocatalytic material
  • Preparation method of ZnSn(OH)6 porous photocatalytic material
  • Preparation method of ZnSn(OH)6 porous photocatalytic material

Examples

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Embodiment 1

[0018] Step 1: Dissolve 0.3g of zinc acetate and 1.5g of tin tetrachloride in 63mL of deionized water, then add 1.5g of sodium hydroxide, and stir evenly to form a mixed solution.

[0019] Step 2: Transfer the mixed solution obtained in Step 1 to a 100mL stainless steel reaction kettle, and let it stand in a constant temperature oven at 170°C for 10h.

[0020] Step 3: After natural cooling, centrifuge and wash 3 times with deionized water and absolute ethanol respectively, and vacuum-dry the obtained white solid at 50°C to finally obtain ZnSn(OH) 6 Porous photocatalytic materials.

[0021] figure 2 The ZnSn(OH) prepared for this embodiment 6 The X-ray diffraction spectrum of the porous photocatalytic material, no diffraction peaks of other impurities are found in the spectrum, indicating that the obtained is ZnSn(OH) 6 . From image 3 (a) ZnSn(OH) can be seen 6 It is formed by the accumulation of some irregular particles with a particle size of less than 100nm. The colo...

Embodiment 2

[0024] Step 1: Dissolve 0.07g of zinc acetate and 0.33g of tin tetrachloride in 63mL of deionized water, then add 0.5g of sodium hydroxide and 0.28g of potassium hydroxide, and stir evenly to form a mixed solution.

[0025] Step 2: Transfer the mixed solution obtained in Step 1 to a 100mL stainless steel reaction kettle, and let it stand in a constant temperature oven at 150°C for 24h.

[0026] Step 3: After natural cooling, centrifuge and wash 3 times with deionized water and absolute ethanol respectively, and vacuum-dry the obtained white solid at 50°C to finally obtain ZnSn(OH) 6 Porous photocatalytic materials.

Embodiment 3

[0028] Step 1: Dissolve 1.5g of zinc nitrate and 5.34g of tin tetrachloride in 63mL of deionized water, then add 5.7g of potassium hydroxide, and stir evenly to form a mixed solution.

[0029] Step 2: Transfer the mixed solution obtained in Step 1 to a 100mL stainless steel reaction kettle, and let it stand in a constant temperature oven at 180°C for 12h.

[0030] Step 3: After natural cooling, centrifuge and wash 3 times with deionized water and absolute ethanol respectively, and vacuum-dry the obtained white solid at 50°C to finally obtain ZnSn(OH) 6 Porous photocatalytic materials.

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Abstract

The invention relates to a preparation method of a ZnSn(OH)6 porous photocatalytic material, which belongs to the field of nanometer material preparation and is characterized by comprising the following steps of: 1. mixing water as a solvent with soluble zinc salt, stannic chloride and strong alkali which are used as raw materials and stirring to form a uniform solution; 2. carrying out hydrothermal treatment on the solution for a while at a certain temperature; and 3. separating, washing and drying a product after the hydrothermal treatment at the drying temperature of 20-100 DEG C to finally obtain the ZnSn(OH)6 porous photocatalytic material which is formed by accumulating grains with the grain diameter of smaller than 100nm. The invention has the characteristics of cheap raw materials, simple process, convenient operation, controllable shape and the like, and the prepared ZnSn(OH)6 material has strong adsorption capability and photocatalytic activity and has good application prospect in the field of photocatalysis.

Description

technical field [0001] The present invention relates to a kind of ZnSn(OH) 6 The invention discloses a method for preparing a porous photocatalytic material, belonging to the technical field of nanometer material preparation. Background technique [0002] Since the first photocatalytic water splitting using sunlight in 1972, photocatalytic degradation has become an important technology in environmental governance, and research on photocatalysts has become a hot topic. The most commonly used photocatalysts are TiO 2 , ZnO and other unary oxides, ZnO-SnO 2 ,TiO 2 -SnO 2 and other composite oxides. Common one-component photocatalysts have problems such as low light utilization efficiency and easy recombination of photogenerated electron-hole pairs, and the preparation process of composite materials is relatively complicated, which also limits its application (Zhang L L, et al. J. Hazard. Mater., 2009, 171: 294-300.). The preparation of new photocatalysts with excellent p...

Claims

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Application Information

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IPC IPC(8): B01J23/14B01J35/10
Inventor 王卫伟姚佳良
Owner SHANDONG UNIV OF TECH
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