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Method for directly synthesizing high conductivity nickel sulfide two-dimension nanosheet array in large scale

A two-dimensional nanotechnology with high conductivity, applied in nickel sulfide, nanotechnology, nanotechnology, etc., can solve the problems of complex process steps and lower production efficiency, and achieve easy control of preparation parameters, good repeatability, and simple process Effect

Active Publication Date: 2013-12-25
山东百帝气动科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The process steps of the above-mentioned preparation method are complicated, which reduces the production efficiency
At present, there are no related reports on the direct synthesis of two-dimensional nickel sulfide nanostructures.

Method used

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  • Method for directly synthesizing high conductivity nickel sulfide two-dimension nanosheet array in large scale
  • Method for directly synthesizing high conductivity nickel sulfide two-dimension nanosheet array in large scale
  • Method for directly synthesizing high conductivity nickel sulfide two-dimension nanosheet array in large scale

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Weigh 0.05g of nickel ethylxanthate powder and put it in a vacuum drying oven, place the glass sheet near the nickel ethylxanthate powder, heat to 160°C, keep it warm for 300 minutes, cool to room temperature, take out the glass sheet, and you can find A uniform film was formed on the glass slide.

[0026] figure 1 It is the X-ray diffraction pattern of nickel sulfide nanosheet array, which can confirm that this is nickel sulfide with hexagonal structure.

[0027] figure 2 is a scanning electron micrograph of nickel sulfide nanosheet arrays. It can be seen from the figure that the array of nickel sulfide nanosheets is evenly distributed on the glass surface, and the thickness of the nanosheets is about 10 nanometers.

[0028] image 3 is the conductivity curve of the nickel sulfide nanosheet array. It can be seen from the figure that the room temperature conductivity of nickel sulfide nanosheet array is as high as 2.6×10 5 S / m.

Embodiment 2

[0030] Weigh 0.3g of nickel isobutyl xanthate powder into a box-type resistance furnace, place a polyimide plastic sheet near the nickel isobutyl xanthate powder, heat to 220°C, keep it warm for 80 minutes, and cool to room temperature Take out the polyimide plastic sheet, and it can be found that a uniform film is formed on the polyimide plastic sheet.

[0031] Figure 4 A scanning electron micrograph of nickel sulfide nanosheet arrays. It can be seen from the figure that the nickel sulfide nanosheet array is evenly distributed on the surface of the polyimide plastic sheet, and the thickness is about 15-20 nanometers.

Embodiment 3

[0033] Weigh 0.1g of nickel propylxanthate powder and put it into a tube-type resistance furnace, place the silicon chip near the nickel propylxanthate powder, heat to 360°C, keep it warm for 10 minutes, cool to room temperature and take out the silicon chip. It was found that a uniform thin film was formed on the silicon wafer.

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Abstract

The invention discloses a method for directly synthesizing a high conductivity nickel sulfide two-dimension nanosheet array in large scale. The method comprises the first step of synthesizing a xanthogenic acid nickel precursor, and the second step of preparing the nickel sulfide two-dimension nanosheet array, wherein the xanthogenic acid nickel precursor powder is placed into a heating device to be heated to reach the temperature ranging from 160 DEG C to 360 DEG C, the heat preservation is carried out on the xanthogenic acid nickel precursor powder for 10-300 mintues, and then the nickel sulfide two-dimension nanosheet array can be generated on a substrate near the xanthogenic acid nickel precursor. The technological process is simple, parameters are obtained easily and controllably, the repeatability is good, and large-scale industrial production can be achieved. The data result is detailed and accurate, so that the feasibility of the method is fully proven. By means of the technology, the problem that the multi-step processing procedures are commonly complex or the technology period is long or high vacuum equipment is high in cost can be avoided, and an extremely potential candidate scheme is provided for the low-cost and large-scale application of the high conductivity nickel sulfide two-dimension nanosheet array.

Description

technical field [0001] The invention relates to the synthesis and assembly of inorganic nanometer materials, in particular to a method for directly synthesizing high-conductivity nickel sulfide two-dimensional nanosheet arrays on a large scale. Background technique [0002] At present, metal sulfides have excellent photoelectromagnetic properties and catalytic properties, and have become a research hotspot in recent years. Nickel sulfide, in particular, has attracted more and more attention in recent years. It has the advantages of non-toxicity and low price. It has a unique electronic structure, molecular structure and excellent optical, electrical and magnetic properties. , solar battery storage devices, infrared detectors, hydrodenitrogenation reactions, hydrodesulfurization reactions, etc. have broad industrial application prospects. [0003] Nickel sulfide is a very complex system, and there are many phase compositions with different ratios, such as α-Ni 3 S 2 , β-Ni...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01G53/11B82Y40/00B82Y30/00
Inventor 夏国栋王素梅
Owner 山东百帝气动科技股份有限公司
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