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Method for preparing nanosheet cluster-structure cupric sulfide from titanium-copper amorphous alloy and application thereof

A technology of amorphous alloys and amorphous alloys, applied in the direction of copper sulfide, nanotechnology for materials and surface science, nanotechnology, etc., can solve the problems of reaction temperature, reaction pressure, long reaction time, etc., and achieve low implementation cost , low cost, uniform effect

Inactive Publication Date: 2015-05-20
TIANJIN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

These existing synthesis methods generally require higher reaction temperature, reaction pressure, longer reaction time and specific reaction devices, these conditions limit the application of nano-copper sulfide in actual production, so it is easy to find the operation process , the preparation method of copper sulfide nanomaterials with mild reaction conditions and low cost is very important

Method used

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  • Method for preparing nanosheet cluster-structure cupric sulfide from titanium-copper amorphous alloy and application thereof
  • Method for preparing nanosheet cluster-structure cupric sulfide from titanium-copper amorphous alloy and application thereof
  • Method for preparing nanosheet cluster-structure cupric sulfide from titanium-copper amorphous alloy and application thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] Embodiment 1: prepare the copper sulfide of nanosheet cluster structure with titanium-copper amorphous alloy, the steps are as follows:

[0018] Step 1. Prepare Ti with a thickness of 10 μm-30 μm according to the atomic percentage content of Ti and Cu are both 50% 50 Cu 50 Amorphous alloy strip;

[0019] Step two, the Ti obtained in step one 50 Cu 50 The amorphous alloy strip is cut into a sample with a width of 20 mm and a length of 3 cm. After the sample is ultrasonicated in absolute ethanol for 10 minutes, it is cleaned with deionized water and then dried in the air for use;

[0020] Step 3: Take 0.1g of the sample obtained in step 2 and put it in a closed container together with 46ml of sulfuric acid aqueous solution with a molar concentration of 15M for reaction, and put it in a 90°C drying oven for 48 hours. After the reaction, use the sample obtained Rinse with deionized water, and dry in a drying oven at 50°C. The powder obtained after drying is copper sulfi...

Embodiment 2

[0027] Embodiment 2: prepare the copper sulfide of nanosheet cluster structure with titanium-copper amorphous alloy, identical with step one and two of embodiment 1, only be that the concentration of the sulfuric acid aqueous solution that uses in step three is different, namely:

[0028] Step 3: Take 0.1g of the sample obtained in step 2 and place it in a closed container together with 46ml of sulfuric acid aqueous solution with a molar concentration of 14M for reaction, and put it in a 90°C drying oven for 48 hours. After the reaction, use the sample obtained Rinse with deionized water, and dry in a drying oven at 50°C. The powder obtained after drying is copper sulfide powder with nanosheet cluster structure.

[0029] figure 1 (b) among shows the microtopography photograph of the copper sulfide that embodiment 2 prepares, figure 2 The XRD figure of the copper sulfide prepared by embodiment 2 is shown in the example; The copper sulfide of the nanosheet cluster structure pr...

Embodiment 3

[0030] Embodiment 3: prepare the copper sulfide of nanosheet cluster structure with titanium-copper amorphous alloy, identical with step one and two of embodiment 1, only be that the temperature of reaction in step three is different, namely:

[0031] Step 3: Take 0.1g of the sample obtained in step 2 and place it in a closed container together with 46ml of sulfuric acid aqueous solution with a molar concentration of 15M for reaction, and put it in a drying oven at 110°C for 48 hours. After the reaction, use the sample obtained Rinse with deionized water, and dry in a drying oven at 50°C. The powder obtained after drying is copper sulfide powder with nanosheet cluster structure.

[0032] figure 1 (c) shows the microscopic topography photo of the copper sulfide prepared in embodiment 3, figure 2 The XRD pattern of the copper sulfide prepared by embodiment 3 is shown in the example; the copper sulfide of the nanosheet cluster structure prepared by the embodiment is applied in ...

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Abstract

The invention discloses a method for preparing nanosheet cluster-structure cupric sulfide from a titanium-copper amorphous alloy. The cupric sulfide powder prepared by the method has the advantages of large specific area and high photocatalytic activity. The method comprises the following steps: putting a titanium-copper amorphous alloy strip (comprising 30-70 atm% of Ti and 30-70 atm% of Cu) and a sulfuric acid water solution with the molar concentration of 10-15M into a closed vessel to react at 60-120 DEG C for 24-96 hours, flushing the sample prepared by reaction with deionized water, and drying in a 50-DEG C drying box to obtain the nanosheet cluster cupric sulfide powder. The synthesis method has the advantages of simple manufacturing process and low raw material cost, and is simple, feasible and economical.

Description

technical field [0001] The invention relates to the preparation and application of copper sulfide, in particular to the preparation and application of copper sulfide with a nanosheet cluster structure. Background technique [0002] Micro-nano materials with special morphology have excellent optical, electrical, magnetic and catalytic properties, and have great application prospects in micro-nano devices. Copper sulfide is a wide bandgap semiconductor material with a bandgap width of about 2.0ev. Because of its special physical and chemical properties such as certain catalytic activity and photoluminescence, the copper sulfide has great application potential in the fields of catalysis, solar cells, superconductors, and gas sensors. At present, its synthesis methods are various, such as hydrothermal method, chemical deposition method, sonochemical method and template method. These existing synthesis methods generally require higher reaction temperature, reaction pressure, lo...

Claims

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Application Information

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IPC IPC(8): C01G3/12B82Y30/00B82Y40/00B01J27/04
Inventor 苏云高朱胜利徐文策杨贤金崔振铎井上明久
Owner TIANJIN UNIV
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