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Cu dendritic single crystalline nano material and preparation method thereof

A single crystal nano, dendritic technology, applied in the direction of polycrystalline material growth, single crystal growth, single crystal growth, etc., can solve few problems, and achieve the effect of novel method, resource saving, and novel appearance

Inactive Publication Date: 2009-08-26
EAST CHINA NORMAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

So recently, various one-dimensional CuO nanostructures, such as nanowires, nanoflowers, nanorods, etc., have been prepared by various methods (solid phase method, hydrothermal synthesis, etc.), and the field emission of these nanostructures However, so far, all one-dimensional nanostructures are basically prepared by thermal evaporation or hydrothermal synthesis, and few Cu nanostructures are prepared by electroplating.

Method used

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  • Cu dendritic single crystalline nano material and preparation method thereof
  • Cu dendritic single crystalline nano material and preparation method thereof
  • Cu dendritic single crystalline nano material and preparation method thereof

Examples

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Effect test

Embodiment 1

[0019] This Cu dendritic single crystal nanomaterial and preparation method thereof, its specific process is as follows:

[0020] 1) Place a copper sheet (surface area about 1.5cm 2 ) polished, soaked in 30% hydrochloric acid for 8 minutes, and then placed in acetone for ultrasonication, and the obtained pure copper sheet was used as an anode;

[0021] 2) ITO conductive glass (surface area about 1.6cm 2 ) was washed with 0.1mol / L NaOH for 8 minutes, then placed in acetone for ultrasonication, and finally rinsed with deionized water as the cathode;

[0022] 3) The electrolyte is 0.5mol / L Cu(NO 3 ) 2 And 1.0mol / L citric acid, citric acid is used to adjust the pH to 1.5; electroplating is performed at a voltage of 0.8V;

[0023] 4) After 1.5 hours, take out the ITO conductive glass, and you can see a layer of light red attachment on it, which is Cu dendritic single crystal nanomaterial.

Embodiment 2

[0025] This Cu dendritic single crystal nanomaterial and preparation method thereof, its specific process is as follows:

[0026] 1) Place a copper sheet (surface area about 1.5cm 2 ) polished, soaked in 30% hydrochloric acid for 10 minutes, and then placed in acetone for ultrasonication, and the obtained pure copper sheet was used as an anode;

[0027] 2) ITO conductive glass (surface area about 1.6cm 2 ) was cleaned with 0.1mol / L NaOH for 10 minutes, then placed in acetone for ultrasonication, and finally rinsed with deionized water as the cathode;

[0028] 3) The electrolyte is 0.5mol / L Cu(NO 3 ) 2 And 1.0mol / L citric acid, citric acid is used to adjust the pH to 2; electroplating is performed at a voltage of 1V;

[0029] 4) After 2.5 hours, take out the ITO conductive glass, and you can see a layer of light red attachment on it, which is Cu dendritic single crystal nanomaterial.

Embodiment 3

[0031] This Cu dendritic single crystal nanomaterial and preparation method thereof, its specific process is as follows:

[0032] 1) Place a copper sheet (surface area about 1.5cm 2 ) polished, soaked in 30% hydrochloric acid for 9 minutes, then placed in acetone for ultrasonication, and the obtained pure copper sheet was used as an anode;

[0033] 2) ITO conductive glass (surface area about 1.6cm 2 ) was washed with 0.1mol / L NaOH for 9 minutes, then placed in acetone for ultrasonication, and finally rinsed with deionized water as the cathode;

[0034] 3) The electrolyte is 0.5mol / L Cu(NO 3 ) 2 And 1.0mol / L citric acid, citric acid is used to adjust the pH to 1.5; electroplating is performed at a voltage of 1V;

[0035] 4) After 2 hours, take out the ITO conductive glass, and you can see a layer of light red attachment on it, which is Cu dendritic single crystal nanomaterial.

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Abstract

The invention discloses a Cu dendritic single crystalline nano material and a preparation method thereof. The concrete technique comprises: 1) a copper sheet is polished, dipped into 30% hydrochloric acid for 8-10min and then put into acetone for ultrasonic processing, so that purified copper sheet is obtained and taken as an anode; 2) ITO conductive glass is washed by 0.1mol / L of NaOH for 8-10min, then put into acetone for ultrasonic processing and finally washed by deionized water to be taken as a cathode; 3) electrolyte is 0.5mol / L of Cu(NO3)2 and 1.0 mol / L of citric acid which is used for adjusting the PH to be 1.5-2; galvanization is carried out when the voltage is 0.8-1 V; 4) the ITO conductive glass is taken out after 1.5-2.5h, and a layer of light red attachment which is the Cu tree-like single crystalline nano material is attached on the ITO conductive glass. The invention has the characteristics of novel method and appearance, simple equipment and operation and low cost without needing catalyst.

Description

technical field [0001] The present invention relates to a kind of Cu dendritic single crystal nanometer material and preparation method thereof, in particular to a kind of Cu dendritic structure formed by nano structure and the method of electroplating to obtain large area of ​​this structure on copper sheet substrate Preparation. The invention belongs to the technical field of semiconductor materials, optoelectronic materials and devices. Background technique [0002] Due to the unique physical and chemical properties of nanomaterials such as surface effect, small size effect, quantum size effect, and macroscopic quantum tunneling effect, the preparation of nanomaterials has become a hot spot in current material research. Nano-copper powder is widely used due to its small size, large specific surface area, large number of surface active centers, small resistance, quantum size effect, and macroscopic quantum tunneling effect. It is an excellent catalyst primer and lubrican...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C30B29/02C30B29/66C30B30/02C25D3/38C25C5/02C25C1/12
CPCY02P10/20
Inventor 徐建文郁可尚德建吴晋许玉娥李立君朱自强
Owner EAST CHINA NORMAL UNIV
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