阅读说明：本技术 一种cpi复合有机骨架电致变色材料及器件的制备方法 (CPI composite organic framework electrochromic material and preparation method of device ) 是由 简凌锋 闵永刚 刘屹东 于 2020-05-28 设计创作，主要内容包括：本发明提供一种CPI复合有机骨架电致变色材料及器件的制备方法,主要包括电致变色器件基底的合成、器件组成以及电致变色材料合成方法等。(The invention provides a CPI composite organic framework electrochromic material and a preparation method of a device, which mainly comprise synthesis of an electrochromic device substrate, device composition, an electrochromic material synthesis method and the like.)

1. A CPI composite organic framework electrochromic material and a preparation method of a device comprise the following steps: the conductive material/CPI film is used as an upper transparent conductive layer/electrode and a lower transparent conductive layer/electrode, a Covalent Organic Framework (COF) structure is used as an electrochromic material, and a solid/liquid electrolyte solvent is used as an electrolyte layer.

2. A method of making a CPI composite organic framework electrochromic material and device in accordance with claim 1 wherein the organic framework electrochromic material has the structural entity of the formula:

wherein the X atom may be O, S, Se, etc.; the R group can be cyclohexane-1,4-diamine, naphthalene-1,5-diamine, dimethyl

(9R,10R,11S,12S)-2,6-diamino-9,10-dihydro-9,10-ethanoanthracene-11,12-dica rboxylate，4,5,9,10-tetrahydropyrene-2,7-diamine，

4,4' - (2,5-diphenylcyclohexane-1,4-diyl) dianiline; as shown in the figure:

3. a process for preparing an electrochromic material and device having an organic skeleton composited with CPI in accordance with claim 1, wherein the CPI film is synthesized from dianhydride and diamine in a polar solvent and baked to a film at 100 ° to 400 °. Types of dianhydrides include: fluorine-containing dianhydride, non-coplanar dianhydride, aliphatic dianhydride; diamine types include: fluorine-containing diamines, non-coplanar diamines, aliphatic diamines. The polar solution used may be: dimethylformamide, dimethylacetamide and N-methylpyrrolidone.

4. A method for making a CPI composite organic framework electrochromic material and device in accordance with claim 1 wherein the conductive material is combined with the CPI by radio frequency magnetron sputtering, electron beam magnetron sputtering, thermal evaporation, CVD, or the like.

5. A method of making a CPI composite organic framework electrochromic material and device in accordance with claim 1 wherein the conductive material on the CPI film substrate is one or more of indium tin oxide, Mxene, and fluorine tin oxide.

6. A CPI composite organic framework electrochromic material and device fabrication method as claimed in claim 1, wherein the solid electrolyte solvent is polymethylmethacrylate, polystyrene pyrrolidone; the liquid electrolyte includes tetrabutylammonium hexafluorophosphate, lithium perchlorate, tetrabutylammonium perchlorate and the like.

Technical Field

The invention relates to a CPI composite organic framework electrochromic material and a preparation method of a device, belonging to the field of organic photoelectric materials. In particular to a novel organic framework electrochromic material and an electrochromic device which is manufactured by taking a CPI film as a substrate. Has the characteristics of good stability, high color change response speed and wide application.

Background

The trend of non-renewable energy sources and the increasing severity of environmental pollution lead us to be aware of the necessity of developing new energy sources, the development of new energy sources is a development direction which must be adhered to by people besides the main development direction of developing solar energy, wind energy and geothermal energy to the greatest extent, and the development of new energy-saving and environment-friendly materials is also a development direction which is adhered to by people, and the electrochromic material is used as a new energy source material, so that a large amount of energy sources can be saved in the aspects of adjusting light, temperature, electric quantity storage and the like. The material is mainly applied to materials such as color-changing windows, intelligent color-changing textile guides, stealth, display screens, sunglasses, rear mirrors, super capacitor clothes, electronic tags and the like, and has small pollution and flexible display, so that the material has great potential in later development.

Disclosure of Invention

Aiming at the prior art, the invention provides a CPI composite organic framework electrochromic material and a preparation method of a device, and the preparation method mainly comprises synthesis of an electrochromic device substrate, device composition, an electrochromic material synthesis method and the like.

In order to achieve the purpose, the technical scheme of the invention is as follows:

a CPI composite organic framework electrochromic material and a preparation method of a device comprise the following steps:

the conductive material/CPI film is used as an upper transparent conductive layer/electrode and a lower transparent conductive layer/electrode, a Covalent Organic Framework (COF) structure is used as an electrochromic material, and a solid/liquid electrolyte solvent is used as an electrolyte layer.

As a further improvement of the invention, the CPI composite organic framework electrochromic material and the preparation method of the device, wherein the structural main body of the organic framework electrochromic material is as follows:

as shown in fig. 2

Wherein the X atom may be O, S, Se, etc.; the R group may be cyclohexane-1,4-diamine, naphtalene-1, 5-diamine, dimethyl (9R,10R,11S,12S) -2, 6-diaminono-9, 10-dihydro-9, 10-ethanthracene-11, 12-dicarboxyate 4,5,9,10-tetr ahydropyrene-2,7-diamine, 4,4' - (2,5-diphenylcyclohexane-1,4-diyl) dianiline.

As shown in fig. 3

As a further improvement of the invention, the CPI composite organic framework electrochromic material and the preparation method of the device are characterized in that the combination mode of the conductive material and the CPI is radio frequency magnetron sputtering, electron beam magnetron sputtering, thermal evaporation, CVD and the like.

As a further improvement of the invention, the preparation method of the organic framework electrochromic material and the device, wherein the conductive material on the CPI film substrate can be one or more of indium tin oxide, Mxene and fluorine tin oxide.

As a further improvement of the invention, the preparation method of the organic framework electrochromic material and the device comprises the steps that solid electrolyte solvents are polymethyl methacrylate and polystyrene pyrrolidone; the liquid electrolyte includes tetrabutylammonium hexafluorophosphate, lithium perchlorate, tetrabutylammonium perchlorate and the like.

Drawings

FIG. 1 is a schematic diagram of a CPI composite organic framework electrochromic material and device

FIG. 2 is a schematic view of a structural body of an organic framework electrochromic material;

FIG. 3 is a monomer schematic of the R group

Detailed Description

The invention will be further illustrated with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes and modifications can be made by one skilled in the art after reading the teachings of the present invention, and such equivalents also fall within the scope of the invention as defined by the appended claims.