Preparation method of plasmon polariton enhanced quantum dot light emitting diode based on Au @ SiO2
A technology of quantum dot light emission and plasmon polaritons, which is applied in the manufacture of semiconductor/solid-state devices, electrical components, electric solid-state devices, etc. Turn-on voltage, novel preparation method, and the effect of improving luminous intensity
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[0046] Example one
[0047] (1) Weigh out 0.0207g of cadmium oxide powder, 0.112g of 1-tetradecyl phosphoric acid and 2.0g of tri-n-butyl phosphine oxide, put them into a 50mL three-necked flask, evacuate the argon gas for 30 minutes, and then Heat to 240℃ under protection to completely dissolve the solute to form a transparent solution, which is the cadmium precursor solution;
[0048] (2) Weigh 0.0316g of selenium powder and 1.0g of tributylphosphine, put them into another 50mL three-necked flask, and then heat to 100°C under the protection of argon to completely dissolve the solute to form a transparent solution, and obtain selenium Precursor solution
[0049] (3) Quickly inject the selenium precursor solution into the cadmium precursor solution at 250°C, then lower the temperature of the mixed solution to 220°C and keep it for 1 min, then remove the heat source, then cool down to 80°C, and add 10 mg of organic matter Obtain a CdSe quantum dot solution;
[0050] (4) Measure 100ml...
Example Embodiment
[0058] Example two
[0059] (1) Weigh 0.0614g of cadmium oxide powder, 0.336g of 1-tetradecyl phosphoric acid and 1.5g of tri-n-butyl phosphine oxide, put them into a 50mL three-necked flask, first evacuate with argon for 80 minutes, and then in argon Heat to 300℃ under protection to completely dissolve the solute to form a transparent solution, which is the cadmium precursor solution;
[0060] (2) Weigh 0.0812g of selenium powder and 3.0g of tributylphosphine, put them into another 50mL three-necked flask, and then heat to 170℃ under the protection of argon to completely dissolve the solute to form a transparent solution to obtain selenium Precursor solution
[0061] (3) At 300°C, quickly inject the selenium precursor solution into the cadmium precursor solution, then lower the temperature of the mixed solution to 250°C and keep it for 15 minutes, then remove the heat source, then cool down to 100°C, and add 10 mg of organic matter Obtain a CdSe quantum dot solution;
[0062] (4) M...
Example Embodiment
[0070] Example three
[0071] (1) Weigh 0.0608g of cadmium oxide powder, 0.326g of 1-tetradecyl phosphoric acid and 1.48g of tri-n-butyl phosphine oxide, put them into a 50mL three-necked flask, evacuate the argon gas for 80 minutes, and then Heat to 300℃ under protection to completely dissolve the solute to form a transparent solution, which is the cadmium precursor solution;
[0072] (2) Weigh 0.0821g of selenium powder and 3.0g of tributylphosphine, put them into another 50mL three-necked flask, and then heat to 170℃ under the protection of argon to completely dissolve the solute to form a transparent solution to obtain selenium Precursor solution
[0073] (3) At 300°C, quickly inject the selenium precursor solution into the cadmium precursor solution, then lower the temperature of the mixed solution to 250°C and keep it for 15 minutes, then remove the heat source, then cool down to 100°C, and add 9 mg of organic matter Obtain a CdSe quantum dot solution;
[0074] (4) Measure 200...
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