Metal quantum dot/organic semiconductor composite conductive channel film transistor preparation method
A technology of organic semiconductors and thin film transistors, which is applied in the field of preparation of metal quantum dots/organic semiconductor composite conductive channel thin film transistors, can solve the problems of limited overall device performance, sensitivity, limited switching frequency and speed, and difficulties in meeting demands, and achieve Improved sensitivity and output transfer characteristics, flexible and controllable device performance, and novel preparation methods
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[0032] Example one.
[0033] (1) Weigh the metal ion-containing compounds such as silver nitrate or HAuCl4 according to the proportions: sodium linoleate: absolute ethanol: linoleic acid = 0.3:1.0:5:0.5, and then pour the mixture into the reaction kettle, and Add appropriate amount of deionized water to make the volume of the mixture account for 40% of the total volume of the reactor, stir and mix uniformly, heat treatment at 20°C for 30 minutes, and then repeat the reaction product with deionized water / absolute ethanol and high-speed centrifugation After cleaning, the final product is dispersed in cyclohexane to obtain the corresponding metal quantum dot solution;
[0034] (2) Take a silicon / silicon dioxide substrate with a size of 1cm×1cm and an oxide layer (silicon dioxide film) with a thickness of 30nm, figure 1 It is a schematic diagram of the silicon / silicon dioxide substrate structure, where 1 is the silicon substrate and 2 is the silicon dioxide film on the silicon surface....
Example Embodiment
[0038] Example two.
[0039] (1) Weigh the metal ion-containing compounds such as silver nitrate or HAuCl4 according to the proportions: sodium linoleate: absolute ethanol: linoleic acid = 0.7:1.5:10:1.5, and then pour the mixture into the reactor, and Add appropriate amount of deionized water to make the volume of the mixture account for 50% of the total volume of the reactor, stir and mix uniformly, heat treatment at 140℃ for 200min, then repeat the reaction product with deionized water / absolute ethanol and high-speed centrifugation After cleaning, the final product is dispersed in cyclohexane to obtain the corresponding metal quantum dot solution;
[0040] (2) Take a silicon / silicon dioxide substrate with a size of 1cm×1cm and an oxide layer thickness of 200nm, figure 1 It is a schematic diagram of the silicon / silicon dioxide substrate structure, where 1 is the silicon substrate and 2 is the silicon dioxide film on the silicon surface. The silicon / silicon dioxide substrate was ...
Example Embodiment
[0044] Example three.
[0045] (1) Weigh the metal ion-containing compounds such as silver nitrate or HAuCl4 according to the proportions: sodium linoleate: absolute ethanol: linoleic acid = 1.0: 2.0: 15: 2.5, and then pour the mixture into the reaction kettle, and Add appropriate amount of deionized water to make the volume of the mixture account for 60% of the total volume of the reactor, stir and mix uniformly, heat treatment at 200°C for 400 minutes, and then repeat the reaction product with deionized water / anhydrous ethanol and high-speed centrifugation After cleaning, the final product is dispersed in cyclohexane to obtain the corresponding metal quantum dot solution;
[0046] (2) Take a silicon / silicon dioxide substrate with a size of 1cm×1cm and an oxide layer thickness of 300nm, figure 1 It is a schematic diagram of the silicon / silicon dioxide substrate structure, where 1 is the silicon substrate and 2 is the silicon dioxide film on the silicon surface. The silicon / silico...
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