Preparation method of metal ordered array nano structure based on plasmon-model metal reinforced fluorescence
A metal-enhanced fluorescence, ordered array technology, applied in the field of nanomaterials, can solve the problems of stability and repeatability of light-emitting devices, expensive equipment, and difficult to control AAO aperture.
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Embodiment 1
[0049] 1. Preparation of silver array nanofilms
[0050] S1. Wash the glass slide, and after natural drying, take 15 μL of polystyrene microspheres with a mass fraction of 2.5% and a diameter of 400 nm, and drop-coat it on the glass slide in an area of 2cm×2cm;
[0051] S2. After natural drying at room temperature, slowly insert the glass sheet with polystyrene microspheres into distilled water at a certain angle. The polystyrene microspheres will float on the surface of distilled water and self-assemble to obtain a polystyrene film. ;
[0052] S3. After waiting for 5 minutes, completely remove the assembled polystyrene film from the aqueous solution with a quartz plate, and let it dry naturally at room temperature overnight;
[0053] S4. Put the above-mentioned quartz sheet with polystyrene film into the vacuum coating machine, and the vacuum degree is 6.5×10 -4 Under the vacuum state of Pa, deposit silver with a thickness of 40nm on the surface of the film at a depositi...
Embodiment 2
[0061] 1. Preparation of silver array nanofilms
[0062] S1. Wash the glass slide, and after natural drying, take 15 μL of polystyrene microspheres with a mass fraction of 2.5% and a diameter of 1000 nm, and drop-coat it on the glass slide in an area of 2cm×2cm;
[0063] S2. After natural drying at room temperature, slowly insert the glass sheet with polystyrene microspheres into distilled water at a certain angle. The polystyrene microspheres will float on the surface of distilled water and self-assemble to obtain a polystyrene film. ;
[0064] S3. After waiting for 5 minutes, completely remove the assembled polystyrene film from the aqueous solution with a quartz plate, and let it dry naturally at room temperature overnight;
[0065] S4. Put the above-mentioned quartz sheet with polystyrene film into the vacuum coating machine, and the vacuum degree is 6.5×10 -4 Under the vacuum state of Pa, deposit silver with a thickness of 40nm on the surface of the film at a deposit...
Embodiment 3
[0073] Preparation of gold array nano film, the steps are as follows:
[0074] S1. Wash the glass slide, and after natural drying, take 15 μL of polystyrene microspheres with a mass fraction of 2.5% and a diameter of 1000 nm, and drop-coat it on the glass slide in an area of 2cm×2cm;
[0075] S2. After natural drying at room temperature, slowly insert the glass sheet with polystyrene microspheres into distilled water at a certain angle. The polystyrene microspheres will float on the surface of distilled water and self-assemble to obtain a polystyrene film. ;
[0076] S3. After waiting for 5 minutes, completely remove the assembled polystyrene film from the aqueous solution with a quartz plate, and let it dry naturally at room temperature overnight;
[0077] S4. Put the above-mentioned quartz sheet with polystyrene film into the vacuum coating machine, and the vacuum degree is 6.5×10 -4 Under the vacuum state of Pa, deposit 20nm thick gold on the surface of the film accord...
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