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Preparation method of perovskite quantum dot composite film

A perovskite and composite film technology, applied in chemical instruments and methods, nanotechnology for materials and surface science, organic chemistry, etc., can solve the problems of complex preparation process, affecting wide application in the display field, and low efficiency. Achieve the effect of simplifying the preparation steps, the preparation method is simple and quick, and the efficiency is high

Active Publication Date: 2021-03-02
SUZHOU XINGSHUO NANOTECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The preparation process of the existing fluorescent composite film based on perovskite quantum dots is complex and inefficient, which affects its wide application in the field of display

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] Preparation method of perovskite quantum dot composite film:

[0031] S1, the CH 3 NH 3 Br, PbBr 2 , PEG200, and UV-curable glue were mixed and stirred evenly to obtain a film-forming glue.

[0032] Among them, CH 3 NH 3 Br and PbBr 2 The ratio of the amount of the substances is 2:1, the mass of PEG200 accounts for 5% of the total mass of the UV-curable adhesive, and the UV-curable adhesive has active monomer pentaerythritol triacrylate.

[0033] S2. The film-forming glue of S1 is spin-coated on the glass substrate, and cured by ultraviolet light irradiation to obtain a perovskite quantum dot composite film.

[0034] Set the spin coating speed to 500rpm, the time to 40s / time, and the acceleration to 100rps; the volume of film-forming glue added to each spin coating is 0.2mL; a 365nm ultraviolet excitation light source is used to irradiate with ultraviolet light for 5min.

[0035] test:

[0036] Under the 365nm ultraviolet excitation light source, the perovskite ...

Embodiment 2

[0038] Preparation method of perovskite quantum dot composite film:

[0039] S1, the CsBr, PbBr 2 , PEG400, and UV-curable glue were mixed and stirred evenly to obtain a film-forming glue.

[0040] Among them, CsBr and PbBr 2 The ratio of the amount of the substances is 5:1, the mass of PEG400 accounts for 10% of the total mass of the UV-curable adhesive, and the UV-curable adhesive has active monomer diethylene glycol diacrylate.

[0041] S2. The film-forming glue of S1 is spin-coated on the PET film, and cured by ultraviolet light irradiation to obtain a perovskite quantum dot composite film.

[0042] Set the spin coating speed to 500rpm, the time to 40s / time, and the acceleration to 100rps; the volume of film-forming glue added to each spin coating is 0.2mL; a 365nm ultraviolet excitation light source is used to irradiate with ultraviolet light for 5min.

[0043] test:

[0044] Under the 365nm ultraviolet excitation light source, the perovskite quantum dot composite fil...

Embodiment 3

[0046] Preparation method of perovskite quantum dot composite film:

[0047] S1, the CH 3 NH 3 Br, PbBr 2 , 1-butyl-3 methylimidazolium hexafluorophosphate, and UV-curable glue are mixed and stirred evenly to obtain a film-forming glue.

[0048] Among them, CH 3 NH 3 Br and PbBr 2 The ratio of the amount of substances is 2:1, the mass of 1-butyl-3 methylimidazolium hexafluorophosphate accounts for 1% of the total mass of the UV-curable adhesive, and there is an active monomer trimethylol in the UV-curable adhesive Propane triacrylate.

[0049] S2. The film-forming glue of S1 is spin-coated on the PET film, and cured by ultraviolet light irradiation to obtain a perovskite quantum dot composite film.

[0050] Set the spin coating speed to 500rpm, the time to 40s / time, and the acceleration to 100rps; the volume of film-forming glue added to each spin coating is 0.2mL; a 365nm ultraviolet excitation light source is used to irradiate with ultraviolet light for 5min.

[0051] ...

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Abstract

The invention discloses a preparation method of a perovskite quantum dot composite film, comprising the steps of: S1, dispersing perovskite raw material components and additives in an ultraviolet light curing glue to obtain a film-forming glue; S2, forming a film The glue solution is coated on the base material and cured by ultraviolet light irradiation to obtain a perovskite quantum dot composite film. The preparation method of the invention is simple and fast, has high efficiency and good film-forming quality, and has certain value for realizing the practical application of high-quality perovskite quantum dot materials in next-generation display.

Description

technical field [0001] The present application relates to the field of luminescent materials, in particular to a method for preparing a perovskite quantum dot composite film. Background technique [0002] Perovskite quantum dots have superior optical properties, such as easy tunable luminescence, narrow emission spectrum, high quantum efficiency, low cost, and simple process, and have attracted the attention of academia and industry in recent years. [0003] The preparation process of the existing fluorescent composite film based on perovskite quantum dots is complex and inefficient, which affects its wide application in the display field. Contents of the invention [0004] In view of the above technical problems, the purpose of this application is to provide a method for efficiently preparing perovskite quantum dot composite films. [0005] The technical scheme that the present invention takes is: [0006] A preparation method of perovskite quantum dot composite film, c...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08F122/14C08F2/44C08K5/06C08K3/16C08J5/18C07C211/04C09K11/66C09K11/06C09K11/02B82Y20/00B82Y30/00B82Y40/00
CPCB82Y20/00B82Y30/00B82Y40/00C07C211/04C08F2/44C08J5/18C08J2335/02C08K3/16C08K5/06C09K11/025C09K11/06C09K11/663C08F122/1006
Inventor 孙雅娟邢泽咏王允军
Owner SUZHOU XINGSHUO NANOTECH CO LTD
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