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Simple preparation method of antimony phosphate of mixed morphological structure

A technology of morphological structure and antimony phosphate, applied in the field of photocatalytic materials, can solve the problem of less antimony phosphate in pure phase, and achieve the effect of simple and easy operation, low cost and high efficiency removal

Active Publication Date: 2016-12-14
NANJING UNIV OF INFORMATION SCI & TECH
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  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, there are few methods for preparing pure phase antimony phosphate

Method used

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  • Simple preparation method of antimony phosphate of mixed morphological structure
  • Simple preparation method of antimony phosphate of mixed morphological structure
  • Simple preparation method of antimony phosphate of mixed morphological structure

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Embodiment

[0024] In a water bath at 60°C, add 1.965g of diethylenetriaminepentaacetic acid and 1.141g of antimony trichloride into 65mL of deionized water and stir for 1h; add 0.575g of antimony trichloride and stir for 0.5h to form a precursor mixture. Pour the precursor mixed solution into a 50mL polytetrafluoroethylene-lined stainless steel hydrothermal reaction kettle, conduct a hydrothermal reaction at a constant temperature of 160°C for 10h, and then centrifuge, wash and dry.

[0025] The prepared antimony phosphate was observed by electron microscope and determined by X-ray diffraction.

[0026] From figure 1 It can be seen from the figure that the antimony phosphate nanorods prepared by the present invention have a quadrangular columnar structure, the length of the rods is 35-45 μm, and the side length of the cross-section is 0.15-0.9 μm.

[0027] From figure 2 It can be seen from the figure that the diameter of the microspheres assembled with antimony phosphate nanosheets i...

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Abstract

The invention relates to a simple preparation method of antimony phosphate of a mixed morphological structure. Diethylenetriamine pentaacetic acid and antimony trichloride are sequentially dissolved in deionized water, and full stirring is carried out at the water bath condition of the temperature of 60 DEG C; then ammonium dihydrogen phosphate is added, full stirring is carried out, and a precursor mixed solution is formed; the obtained precursor mixed solution is poured into a polytetrafluoroethylene-lined stainless steel hydrothermal reaction still, a constant-temperature hydrothermal reaction is carried out for 10 h at the temperature of 160 DEG C, centrifugal washing and drying are carried out, and the product is obtained. The method is simple, easy to operate, environmentally friendly, low in cost and pure in product, prepared antimony phosphate can efficiently remove organic pollutants in water, and good application prospects are achieved. The photocatalytic activity of prepared antimony phosphate is obviously higher than that of commercial rutile TiO2.

Description

technical field [0001] The invention relates to the field of photocatalytic materials, in particular to a simple preparation method of antimony phosphate with mixed morphology structure. Background technique [0002] Because semiconductor materials have excellent photocatalytic properties and have good application prospects in the degradation of environmental pollutants, they have attracted people's attention, and the number of photocatalysts discovered and reported is also increasing day by day. When nanostructures are aggregated from zero-dimensional or one-dimensional into multidimensional nano-superstructures, new properties can emerge, such as optical, electrical, magnetic and catalytic properties. Nano-superstructures assembled from nano-units have become one of the current research hotspots, such as hollow spheres and three-dimensional flower-like nanostructures. Due to the excellent photocatalytic application performance of semiconductor materials, the number of pho...

Claims

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Application Information

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IPC IPC(8): C01B25/37C02F1/32B01J27/186C02F101/38
CPCC01B25/37C02F1/32B01J27/186C02F2101/308C02F2101/38C01P2002/72C01P2004/03B01J35/39
Inventor 滕飞陈艺鑫陈瑶佳李敏
Owner NANJING UNIV OF INFORMATION SCI & TECH
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