A kind of preparation method of Ag-cu thin film
A technology of ag-cu and thin film, which is applied in the direction of metal material coating process, coating, liquid chemical plating, etc., can solve the problems of Ag thin film easy to fall off, reduce reaction rate, unfavorable device manufacturing, etc., and achieve easy recycling application , more hotspots and less human influence
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Embodiment 1
[0030] Cu 2 O film:
[0031] Step 1: Treat the Cu sheet. The Cu sheet was ultrasonically cleaned with acetone and ethanol for 10 minutes to remove surface organic matter, and then washed with dilute HNO 3 Soak for 5 minutes to remove the surface oxide film, then wash with deionized water for 3 times to remove surface impurities, dry in the air, and set aside 0.2*0.2cm, that is, high-purity Cu chips;
[0032] Step 2, prepare and add 0.3g CuSO in a 100ml beaker 4 and 50ml deionized water (i.e. to form CuSO 4 The concentration of the solution is 0.006g / mL), and add 0.08g SDS (that is, the mass ratio of SDS to copper sulfate is 0.27:1), put the high-purity Cu sheet in step 1 into the above solution, and heat to 60°C , kept for 6 hours, removed, and washed 3 times with ethanol and deionized water to obtain orange-red Cu 2 O film, that is, the formation of Cu 2 O-Cu sheet:
[0033] Ag / Cu film:
[0034] Step 3: Add 0.12g of sodium citrate as a structure-directing agent to a 10...
Embodiment 2
[0039] Cu 2 O film:
[0040](1) Treat the Cu sheet. The Cu sheet is ultrasonically cleaned with acetone and ethanol for 10 minutes to remove surface organic matter, and then washed with dilute HNO 3 Soak for 5 minutes to remove the surface oxide film, then wash with deionized water for 3 times to remove surface impurities, dry, and set aside, the size of the Cu sheet is 0.2*0.2cm, that is, a high-purity Cu sheet;
[0041] (2) Add 0.1g CuSO to a 100ml beaker 4 and 50mL deionized water, and added 0.05gSDS, put the treated high-purity Cu sheet in (1) into the above solution, heat to 60°C, keep it for 6 hours, take it out, and wash it with ethanol and deionized water for 3 times , to obtain an orange-red cuprous oxide film, that is, to form Cu 2 O-Cu sheet;
[0042] Ag / Cu film:
[0043] (3) Add 0.1 g of sodium citrate as a structure-directing agent to a 100 ml beaker, add 60 ml of deionized water, and stir at room temperature for 20 minutes to form a 1.67×10 -3 g / mL sodium c...
Embodiment 3
[0047] Cu 2 O film:
[0048] (1) The Cu sheet was ultrasonically cleaned with acetone and ethanol for 10 minutes to remove surface organic matter, and then washed with dilute HNO 3 Soak for 5 minutes to remove the surface oxide film, then wash with deionized water 3 times to remove surface impurities, dry, and set aside to form high-purity Cu flakes with a size of 0.2*0.2cm;
[0049] (2) Add 0.5g CuSO to a 100ml beaker 4 and 50mL of deionized water, and added 0.1g of SDS, put the high-purity Cu sheet in (1) into the above solution, heated to 50°C, kept it for 6 hours, took it out, washed it with ethanol and deionized water for 3 times, and obtained Orange-red cuprous oxide film, which forms Cu 2 O-Cu sheet;
[0050] Ag / Cu film:
[0051] (3) Add 0.25 g of sodium citrate as a structure-directing agent to a 100 ml beaker, add 100 ml of deionized water, and stir at room temperature for 20 minutes to form a concentration of 2.5×10 -3 g / mL sodium citrate solution;
[0052] (4...
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