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Synthesis method of controllable-length/width basic magnesium carbonate nanorods

A synthetic method, magnesium carbonate technology, applied in the direction of magnesium carbonate, nanotechnology, etc.

Active Publication Date: 2016-08-24
XUZHOU NORMAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, a method for synthesizing a uniform one-dimensional structure of basic magnesium carbonate with controllable length and width has not been reported yet.

Method used

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  • Synthesis method of controllable-length/width basic magnesium carbonate nanorods
  • Synthesis method of controllable-length/width basic magnesium carbonate nanorods
  • Synthesis method of controllable-length/width basic magnesium carbonate nanorods

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specific Embodiment 1

[0017] Specific embodiment one: as figure 1 with figure 2 As shown, a preparation method of basic magnesium carbonate nanorods (width between 30-60 nm) with controllable length and width includes the following steps: take magnesium acetate tetrahydrate (5 mmol) and ammonium carbonate (5.5 mmol) to dissolve In a mixed solution of deionized water (5 mL) and ethanol (5 mL ), add cetyltrimethylammonium bromide (CTAC, 0.232 g) and sodium hydroxide (1 mmol) to the above solution, stir homogeneous, the above mixed solution was transferred to a reaction kettle, heated to 200 ° C, and the reaction time was 12 h. The product was collected by centrifugation, and then washed several times with distilled water and industrial alcohol.

[0018] The XRD figure shows that the product obtained is basic magnesium carbonate, and the scanning electron microscope figure shows that the product obtained is an elongated nanowire, and its enlarged view ( figure 2 top right) indicates that the slen...

specific Embodiment 2

[0019] Specific embodiment two: as image 3 with Figure 4 As shown, a preparation method of basic magnesium carbonate nanorods (width between 65-85 nm) with controllable length and width includes the following steps: take magnesium acetate tetrahydrate (4.5 mmol) and ammonium carbonate (5.5 mmol) to dissolve In a mixed solution of deionized water (5 mL) and ethanol (5 mL ), add cetyltrimethylammonium bromide (CTAC, 0.182 g) and sodium hydroxide (3 mmol) to the above solution, stir homogeneous, the above mixed solution was transferred to a reaction kettle, heated to 200 ° C, and the reaction time was 12 h. The product was collected by centrifugation, and then washed several times with distilled water and industrial alcohol.

[0020] The XRD figure shows that the product obtained is basic magnesium carbonate, and the scanning electron microscope figure shows that the product obtained is a nanowire with moderate thickness, and its enlarged view ( Figure 4 top right) indicate...

specific Embodiment 3

[0021] Specific embodiment three: as Figure 5 with Image 6 As shown, a preparation method of basic magnesium carbonate nanorods (width between 85-100nm) with controllable length and width includes the following steps: take magnesium acetate tetrahydrate (5 mmol) and ammonium carbonate (5.5 mmol) and dissolve them with In a mixed solution of deionized water (5 mL) and ethanol (5 mL ), add cetyltrimethylammonium bromide (CTAC, 0.1 g) and sodium hydroxide (3 mmol) to the above solution, stir well , the above mixed solution was transferred to a reaction kettle, heated to 200 ° C, and the reaction time was 12 h. The product was collected by centrifugation, and then washed several times with distilled water and industrial alcohol.

[0022] The XRD figure shows that the product obtained is basic magnesium carbonate, and the scanning electron microscope figure shows that the product obtained is a nanowire with moderate thickness, and its enlarged view ( Image 6 top right) indica...

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Abstract

The invention discloses a synthesis method of controllable-length / width basic magnesium carbonate nanorods. The synthesis method comprises the following steps: dissolving magnesium acetate tetrahydrate and ammonium carbonate in a deionized water-anhydrous ethanol mixed solution, adding cetyl trimethyl ammonium chloride and sodium hydroxide into the solution, stirring uniformly, transferring the mixed solution into a reaction kettle, and heating to the required temperature to react for the required time; and collecting the product by centrifugal separation, and washing the product with distilled water and industrial alcohol several times. The simple one-step hydrothermal method is utilized to synthesize the one-dimensional basic magnesium carbonate nanorods with uniform size. The reactant ratio is regulated to implement control on slender-rod basic magnesium carbonate to stubby-rod basic magnesium carbonate.

Description

technical field [0001] The invention relates to a method for synthesizing basic magnesium carbonate nanorods with controllable length and width. Background technique [0002] Since one-dimensional nanomaterials are confined systems in two dimensions, they usually exhibit new properties different from nanomaterials in two-dimensional and three-dimensional confined systems, such as optical switching effect, field emission effect, hot spot effect, The use of these functional properties to design next-generation nanostructured devices is an important anti-war trend at present. [0003] Magnesium oxide is an insulator with a wide bandgap, and has important applications in many aspects, such as being used as an electrical insulator material, a superconducting material and a catalytic material, and its one-dimensional nanowire can be used as a separate electron emitter [Physica E: Low —dimensional Systems and Nanostructures, 2009, 4l(8): 1500-1 503]. Basic magnesium carbonate is ...

Claims

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Application Information

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IPC IPC(8): C01F5/24B82Y40/00
CPCC01F5/24C01P2002/72C01P2004/03C01P2004/16
Inventor 韩锡光高升广
Owner XUZHOU NORMAL UNIVERSITY
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