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Chemical reaction device

A technology of chemical reaction and reaction solution, applied in feeding device, chemical instrument and method, chemical/physical process, etc., can solve the problems of few reports and difficult to control the rate of nucleation reaction and growth reaction.

Inactive Publication Date: 2014-03-26
东北大学秦皇岛分校 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] However, in the traditional preparation methods of ZnO nanomaterials, there are few reports on direct liquid-phase reactions, because it is difficult to control the rates of nucleation reactions and growth reactions.

Method used

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  • Chemical reaction device
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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] 2.97 g of Zn(NO 3 ) 2 Dissolve in 10 ml of absolute ethanol to obtain liquid A. Solution B was obtained by dissolving 1.6 g of NaOH into 100 ml of water. 10 milliliters of liquid A is sucked into the syringe 124, and placed on the syringe pump 122. Set the syringe pump 122 to a perfusion rate of 80 microliters / minute. Liquid B was transferred to reaction vessel 18 and heated to 60°C. Connect the conductive titration head 128 to the power supply 162, and connect the liquid B to the ground. Set the power supply 162 to a voltage of +5000V, that is, the electric field strength is about +1000V / cm, and the syringe pump 122 starts to run to inject liquid A into liquid B under high pressure while vigorously stirring. After the reaction, turn off the power supply 162 and the syringe pump 122, take out the mixed solution, filter it, wash it with deionized water three times, and dry it naturally at room temperature to directly obtain zinc oxide nanorods. Figure 2-3 A scanni...

Embodiment 2

[0045] 2.97 g of Zn(NO 3 ) 2 Dissolve in 10 ml of absolute ethanol to obtain liquid A. Solution B was obtained by dissolving 1.6 g of NaOH into 100 ml of water. 10 milliliters of liquid A is sucked into the syringe 124, and placed on the syringe pump 122. Set the syringe pump 122 to a perfusion rate of 80 microliters / minute. Liquid B was transferred to reaction vessel 18 and heated to 60°C. Connect the conductive titration head 128 to the power supply 162, and connect the liquid B to the ground. Set the power supply 162 to -5000V, that is, the electric field strength is about -1000 volts / cm, and the syringe pump 122 starts to run to inject liquid A into liquid B under high pressure while vigorously stirring. After the reaction, turn off the power supply 162 and the syringe pump 122, take out the mixed solution, filter it, wash it with deionized water three times, and dry it naturally at room temperature to directly obtain zinc oxide nanorods. Figure 5-6 A scanning elect...

Embodiment 3

[0047] 2.97 g of Zn(NO 3 ) 2 Dissolve in 10 ml of absolute ethanol to obtain liquid A. Solution B was obtained by dissolving 1.6 g of NaOH into 100 ml of water. 10 milliliters of liquid A is sucked into the syringe 124, and placed on the syringe pump 122. Set the syringe pump 122 to a perfusion rate of 80 microliters / minute. Liquid B was transferred to reaction vessel 18 and heated to 60°C. Connect the conductive titration head 128 to the power supply 162, and connect the liquid B to the ground. The power supply 162 is set to 0V, that is, the electric field strength is about 0 volts / cm, the syringe pump 122 starts to run, and the liquid A is injected into the liquid B under high pressure while vigorously stirring. After the reaction, turn off the power supply 162 and the syringe pump 122, take out the mixed solution, filter it, wash it with deionized water three times, and dry it naturally at room temperature to directly obtain the zinc oxide nanostructure. Figure 8 A s...

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Abstract

The invention relates to a chemical reaction device which comprises a reaction container, an evaporation crystallization device, a voltage device and a titration device, wherein the titration device is at least provided with a conductive titration head; the conductive titration head is electrically connected with the voltage device, so that the titration device can ensure that reaction liquid is electrified in a process of titrating the reaction liquid into the reaction container; the reaction container is provided with a conductive bottom wall or side wall; therefore, the reaction liquid in the reaction container can be electrically connected with the conductive bottom wall or side wall; the conductive bottom wall or side wall is grounded.

Description

technical field [0001] The invention relates to a chemical reaction device and a method for preparing oxide nanomaterials, in particular to a method for preparing zinc oxide nanomaterials. Background technique [0002] The particle size of nanoparticles is extremely small, but the specific surface area is extremely large, so they exhibit new optical, electrical, magnetic and chemical properties. At present, new materials composed of nanoparticles have been widely used in the fields of catalysis, luminescent materials, magnetic materials, semiconductor materials and fine ceramic materials. Oxide nanomaterials are an important class of materials, and the research on their preparation methods has broad prospects. [0003] Zinc oxide (ZnO) nanomaterials are a variety of nanomaterials, and many research groups have prepared a variety of ZnO nanostructures, such as nanowires, nanobelts, nanorings, and nanocombs, through many different methods. Wait. The preparation methods of z...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J19/12B01J4/00B01D9/02C01G9/02
Inventor 齐建全孙黎郭瑞董晓瑜李龙土
Owner 东北大学秦皇岛分校