Method for preparing metal material with biomorphic fine hierarchical structural morphology
A hierarchical structure and metal material technology, applied in the direction of metal material coating process, liquid chemical plating, coating, etc., can solve the problems of complex process, simple and single structure, expensive price, etc., and achieve the effect of wide application value
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Embodiment 1
[0026] Select the natural Pteropus heterophylla as a template, immerse it in 10% dilute nitric acid for 2 hours and then dry it. After immersing it in 15% ethylenediamine solution for 2 hours, put it in 0.5% HAuCl 4 Aqueous solution for 4 hours, alcohol cleaning, followed by 2% NaBH 4 5 minutes in aqueous solution, rinse and dry. Further put into the chemical silver plating solution for 20-30 minutes of chemical plating, the chemical silver plating solution is composed of 1g of silver nitrate, 2mL of ammonia water, 5g of sodium potassium tartrate, and 100mL of deionized water. Further, a single scale of the metallized butterfly wing was taken out under an optical microscope and placed on a clean silicon wafer, and then phosphoric acid was added dropwise on the scale, soaked for 72 hours, then washed with deionized water, and dried in a vacuum to obtain a biological form. Metallic material with fine hierarchical structure. (See figure 1 ).
Embodiment 2
[0028] Select the natural Pteropus heterophylla as a template, immerse it in 10% dilute nitric acid for 2 hours and then dry it. After immersing it in 15% ethylenediamine solution for 2 hours, put it in 0.5% HAuCl 4 Aqueous solution for 4 hours, alcohol cleaning, followed by 2% NaBH 4 5 minutes in aqueous solution, rinse and dry. Further put into the chemical gold plating solution for 10-20 minutes of chemical plating, the chemical gold plating solution is composed of 1g chloroauric acid, 0.5g sodium chloride, 1.125g tartaric acid, 15g sodium hydroxide, and 150mL water. Further, a single scale of the metallized butterfly wing was taken out under an optical microscope and placed on a clean silicon wafer, and then phosphoric acid was added dropwise on the scale, soaked for 72 hours, then washed with deionized water, and dried in a vacuum to obtain a biological form. Metallic material with fine hierarchical structure. (See figure 2 ).
Embodiment 3
[0030] Select the natural Pteropus heterophylla as a template, immerse it in 10% dilute nitric acid for 2 hours and then dry it. After immersing it in 15% ethylenediamine solution for 2 hours, put it in 0.5% HAuCl 4 Aqueous solution for 4 hours, alcohol cleaning, followed by 2% NaBH 4 5 minutes in aqueous solution, rinse and dry. Further put into the electroless copper plating solution to carry out electroless plating for 10-20 minutes. The electroless Cu plating solution consists of 1.5g copper sulfate, 2g sodium hydroxide, 7g sodium potassium tartrate, 50mL deionized water, and 5mL formaldehyde (37%). Further, a single scale of the metallized butterfly wing was taken out under an optical microscope and placed on a clean silicon wafer, and then phosphoric acid was added dropwise on the scale, soaked for 72 hours, then washed with deionized water, and dried in a vacuum to obtain a biological form. Metallic material with fine hierarchical structure. (See image 3 ).
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