Fluorene-based conjugated microporous polymer diffusion particles complexed with quantum dots and its preparation method, a quantum dot diffusion film and its application
A technology of conjugated micropores and diffusion particles, applied in the direction of adhesive types, adhesive additives, ester copolymer adhesives, etc., can solve the problems of inorganic quantum dots being easily oxidized and invalidated, and overcome the poor compatibility of the system , reduce the amount of usage, improve the effect of the overall optical performance
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[0073] Such as figure 2 as shown, figure 2 The synthesis route diagram of the fluorenyl-conjugated microporous polymer diffusion particles complexed with quantum dots provided by the present invention; the preparation method of the fluorenyl-conjugated microporous polymer diffusion particles complexed with quantum dots provided by the present invention comprises the following steps :
[0074] (1) Preparation of fluorenyl small molecular monomers complexed with quantum dots: the quantum dots are added to the chloroform solution dissolved with 9,9-diamino-2,7-dicyanofluorene to react, after extraction, washing, After liquid separation, rotary evaporation and vacuum drying at 50°C, the fluorenyl small molecular monomer complexed with quantum dots was obtained;
[0075] (2) Preparation of fluorenyl-conjugated microporous polymer diffusion particles complexed with quantum dots: the chloroform solution of fluorenyl small molecule monomers complexed with quantum dots is added dro...
Embodiment 1
[0104]The invention provides a fluorenyl-conjugated microporous polymer diffusion particle complexed with quantum dots. The fluorenyl-conjugated microporous polymer is complexed with quantum dots, and the quantum dots are wrapped inside the diffusion particles.
[0105] 1. Preparation of fluorenyl small molecular monomers complexed with quantum dots
[0106] In a 100mL three-neck bottle, quickly weigh and add 1g of red cadmium selenide quantum dots and 1g of green cadmium selenide quantum dots, and slowly add 50mL of 9,9-diamino-2,7-dinitrile Fluorene in chloroform and start stirring. React at room temperature for 24 hours, then add 200mL of ethyl acetate to extract and wash with methanol, concentrated hydrochloric acid and deionized water once each, after liquid separation, rotary evaporation at 45°C, and finally vacuum drying at 50°C in a vacuum oven to obtain 1.96 g yellow powder, which is the fluorenyl small molecule monomer complexed with quantum dots, and the complexati...
Embodiment 2
[0110] Fluorenyl-conjugated microporous polymer diffusion particles complexed with quantum dots as provided in Example 1.
[0111] 1. Preparation of fluorenyl small molecular monomers complexed with quantum dots
[0112] In a 100mL three-necked bottle, quickly weigh and add 0.1g of red cadmium selenide quantum dots and 0.1g of green cadmium selenide quantum dots, and slowly add 50mL of 9,9-diamino-2,7-bis Chloroform solution of nitrile fluorene and start stirring. React at room temperature for 24 hours, then add 200mL of ethyl acetate to extract and wash with methanol, concentrated hydrochloric acid and deionized water once each, after liquid separation, rotary evaporation at 45°C, and finally vacuum drying at 50°C in a vacuum oven to obtain 1.19 g yellow powder, which is the fluorenyl small molecule monomer complexed with quantum dots, and the complexation rate is 99%.
[0113] 2. Preparation of fluorene-based conjugated microporous polymer diffusion particles complexed wit...
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