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Carbon-containing necklace-like nano nickel telluride as well as preparation and application thereof

A nickel telluride, necklace-shaped technology is applied to carbon-containing necklace-shaped nano-nickel telluride and its preparation, application field, can solve problems such as unseen and unseen reports of nickel telluride nano-necklace, etc., and achieves regular morphology and production. Low cost and simple sample post-processing

Inactive Publication Date: 2016-07-06
HEFEI NORMAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there is no report on necklace-shaped nickel telluride, let alone carbon-wrapped nickel telluride nano-necklace.

Method used

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  • Carbon-containing necklace-like nano nickel telluride as well as preparation and application thereof
  • Carbon-containing necklace-like nano nickel telluride as well as preparation and application thereof
  • Carbon-containing necklace-like nano nickel telluride as well as preparation and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] The preparation method of a kind of carbon-containing necklace shape nano-nickel telluride proposed by the present invention comprises the following steps:

[0030] S1, 1.19g nickel chloride hexahydrate was added into 30ml deionized water and dissolved to obtain a nickel ion solution;

[0031] S2. Add 1.11 g of sodium tellurite into the nickel ion solution, and stir magnetically for 30 minutes to obtain a turbid solution;

[0032] S3. Add 0.2 g of ascorbic acid into the turbid solution, and magnetically stir for 40 minutes to obtain a mixed solution a;

[0033] S4. Add dropwise 10ml of an aqueous solution of hydrazine hydrate with a mass fraction of 25wt% to the mixed solution a, and then stir until the color of the solution is brown to obtain a mixed solution b;

[0034] S5. The mixed solution b is subjected to a hydrothermal reaction, the temperature of the hydrothermal reaction is 120° C., and the time of the hydrothermal reaction is 5 hours, then filtered, the filt...

Embodiment 2

[0039] The preparation method of a kind of carbon-containing necklace shape nano-nickel telluride proposed by the present invention comprises the following steps:

[0040] S1, 2.62g of nickel sulfate hexahydrate was added into 30ml of deionized water and dissolved to obtain a nickel ion solution;

[0041] S2. Add 1.11 g of sodium tellurite into the nickel ion solution, and stir magnetically for 30 minutes to obtain a turbid solution;

[0042] S3. Add 0.6 g of ascorbic acid into the turbid solution, and stir magnetically for 50 minutes to obtain a mixed solution a;

[0043] S4. Add dropwise 10ml of an aqueous solution of hydrazine hydrate with a mass fraction of 25wt% to the mixed solution a, and then stir until the color of the solution is brown to obtain a mixed solution b;

[0044] S5. The mixed solution b is subjected to a hydrothermal reaction, the temperature of the hydrothermal reaction is 100° C., and the time of the hydrothermal reaction is 10 h, and then filtered, th...

Embodiment 3

[0046] The preparation method of a kind of carbon-containing necklace shape nano-nickel telluride proposed by the present invention comprises the following steps:

[0047] S1, add 0.51g nickel acetylacetonate into 30ml deionized water and dissolve to obtain nickel ion solution;

[0048] S2. Add 0.44 g of sodium tellurite into the nickel ion solution, and stir magnetically for 50 minutes to obtain a turbid solution;

[0049] S3. Add 0.05 g of ascorbic acid into the turbid solution, and magnetically stir for 60 minutes to obtain a mixed solution a;

[0050]S4. Add dropwise 15ml of an aqueous solution of hydrazine hydrate with a mass fraction of 25wt% to the mixed solution a, and then stir until the color of the solution is brown to obtain a mixed solution b;

[0051] S5. The mixed solution b is subjected to a hydrothermal reaction, the temperature of the hydrothermal reaction is 100° C., and the time of the hydrothermal reaction is 5 hours, and then filtered, the filter cake is...

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Abstract

The invention discloses a preparation method of carbon-containing necklace-like nano nickel telluride. The preparation method comprises the following steps: adding a nickel salt into the deionized water, and dissolving the nickel salt to obtain a nickel ion solution; adding sodium tellurite into the nickel ion solution, and stirring to obtain a turbid solution; adding ascorbic acid into the turbid solution, and stirring to obtain a mixed solution a; dropwise adding a hydrazine hydrate solution into the mixed solution a until the pH is greater than 7, and then stirring until the solution turns brown or dark brown to obtain a mixed solution b; and performing the hydrothermal reaction for the mixed solution b to obtain the carbon-containing necklace-like nano nickel telluride. The invention also discloses carbon-containing necklace-like nickel telluride. The invention also discloses an application of the carbon-containing necklace nano nickel telluride. The preparation process is simple, the production cost is low, no dispersion agent and no surfactant are used, the preparation process is easy to control, a product is simple in post-treatment, and the preparation method is very suitable for the industrialized production; and moreover, the prepared carbon-containing necklace-like nano nickel telluride has the characteristics of regular appearance, good homogeneity and the like.

Description

technical field [0001] The invention relates to the technical field of nano-nickel telluride, in particular to a carbon-containing necklace-shaped nano-nickel telluride and its preparation and application. Background technique [0002] Nickel chalcogenides have various compositions and unique properties of light, electricity and magnetism, and have broad application prospects in solar cells, optoelectronic devices, energy converters, magnetic materials and other fields. Carbon is often used as an auxiliary material to improve the surface stability of the material and increase the properties that many materials do not have, so as to obtain new carbon-containing nanocomposites and expand the application space of materials. It has broad application prospects in electronics, magnetic recording, radio wave shielding / absorption, catalysts, antibacterial agents, biomedicine, etc. Therefore, the preparation of carbon-containing nickel telluride products will have important research...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01B19/04B82Y30/00B82Y40/00
CPCC01B19/007C01P2002/85C01P2004/04C01P2004/64
Inventor 万丽娟张忠祥范程华
Owner HEFEI NORMAL UNIV
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