Composition and preparation method thereof and light-emitting diode
A technology of light-emitting diodes and compositions, which is applied in semiconductor/solid-state device manufacturing, nanotechnology for materials and surface science, nanotechnology, etc., can solve problems such as poor dispersion of metal compound nanoparticles, and achieve uniform and dense functional layers. The effect of good luminous properties
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[0060] Correspondingly, a preparation method of a composition, such as figure 2 shown, including the following steps:
[0061] dissolving the metal compound nanoparticles in a solvent to form a first mixed solution;
[0062] The cationic surfactant and the anionic surfactant are added to the first mixed solution, and mixed to obtain the composition.
[0063] The preparation method of the composition provided by the invention is obtained by mixing metal compound nanoparticles, cationic surfactants and anionic surfactants in a solvent, and the method is simple and easy to operate.
[0064] In the preparation method of the composition provided by the embodiments of the present invention, the selection and dosage of the metal compound nanoparticles, cationic surfactant, anionic surfactant and solvent are the same as those of the above-mentioned metal compound nanoparticles, cationic surfactant, The anionic surfactant is the same as the solvent, and should have the same properti...
Embodiment 1
[0074] This embodiment has prepared a kind of ink and LED:
[0075] (1) Preparation of ink
[0076] Weigh the ink raw materials according to the formula, and take the total weight of the ink as 100%, the ink includes: 10% of zinc sulfide nanoparticles; 86.5% of n-butanol; 1% of octadecyltrimethylammonium chloride; dodecasulfobenzenesulfonic acid Sodium 1%; Triethanolamine Monooleate 0.5%; Tributyl Phosphate 0.5%; Polyethylene Glycol 0.5%.
[0077] Add zinc sulfide nanoparticles into n-butanol, stir at room temperature for 2 hours to obtain a first solution; then add remaining raw materials to the first solution, continue stirring until all materials are completely dissolved, and filter to obtain ink.
[0078] (2) Preparation of light-emitting diodes
[0079] A substrate is provided, and the substrate includes: an anode, a TFB hole transport layer formed on the anode, and a CdSe quantum dot light-emitting layer formed on the TFB hole transport layer;
[0080] The ink prepare...
Embodiment 2
[0083] In this embodiment, a kind of ink and light-emitting diodes are prepared, which specifically includes the following steps:
[0084] (1) Preparation of ink
[0085] The ink raw materials are weighed according to the formula, and the total weight of the ink is 100%, and the ink includes: 20% of zinc oxide nanoparticles; 70% of ethylene glycol methyl ether acetate; 5% of didodecyldimethyl ammonium chloride; Octanol Phosphate 2%; Poly-N-Butyl Vinyl Ether 1%; Higher Alcohol 1%; NMP 1%.
[0086] Add zinc oxide nanoparticles into ethylene glycol methyl ether acetate, stir until uniformly dispersed, and obtain a first solution; then, add remaining raw materials into the first solution, continue stirring until all materials are completely dissolved, and filter to obtain ink.
[0087] (2) Preparation of light-emitting diodes
[0088] A substrate is provided, and the substrate includes: an anode, a TFB hole transport layer formed on the anode, and a CdSe quantum dot light-emitti...
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Abstract
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