CN211086870U

CN211086870U - Electrochromic intelligent glass composite film system structure

Info

Publication number: CN211086870U
Application number: CN201922355736.1U
Authority: CN
Inventors: 汤永康; 马立云; 甘治平; 李刚; 沈洪雪; 金克武
Original assignee: CNBM Bengbu Design and Research Institute for Glass Industry Co Ltd
Current assignee: CNBM Bengbu Design and Research Institute for Glass Industry Co Ltd
Priority date: 2019-12-25
Filing date: 2019-12-25
Publication date: 2020-07-24
Anticipated expiration: 2029-12-25

Abstract

The utility model discloses an electrochromic intelligent glass composite membrane system structure, including the glass substrate, the glass substrate top surface is by lower supreme lower electrode layer, WO of having stacked gradually₃The NiO color-changing film layer is arranged on the upper electrode layer; WO₃The color-changing film layer is internally clamped with a first SiO₂A layer of discrete microspheres; a second SiO is clamped in the NiO color-changing film layer₂A layer of discrete microspheres; by the method disclosed in WO₃The color-changing film layer and the NiO color-changing film layer are embeddedSiO₂Nano-microspheres as microdefects, microdefects of SiO₂The nanospheres and the color-changing film layer can form interface defects, so that the induced aggregation of ions at the interface of the microdefect in the electrochromic process is promoted, the coloring time is shortened, the light modulation amplitude is increased, the color-changing uniformity is improved, and the color-changing efficiency of the film is improved.

Description

Electrochromic intelligent glass composite film system structure

Technical Field

The utility model relates to a functional film technical field specifically is an electrochromic intelligent glass composite film system structure.

Background

Under the background of the intelligent era that our world is entering the intelligent era at an unprecedented speed, the intelligent heat tide is also promoted in the field of material research, and the intelligent material represents the direction of future material research, wherein the electrochromic material is an intelligent material with huge potential and advantages in various fields.

Electrochromism means that the optical properties (transmission, reflection, absorption and the like) of the material can be stably and reversibly changed under the action of an applied electric field or current. The electrochromic material serving as a novel intelligent material has good physical and chemical properties and reversible optical performance, can be used for manufacturing devices such as displays, dimming glasses and information storage, has wide application prospects in various fields such as information, electronics, energy, buildings and national defense, and has important significance for energy conservation and environmental protection.

The most central part of the electrochromic device is electrochromic material. Like all material classes, electrochromic materials can be divided into two broad classes, inorganic and organic. In which WO is₃Inorganic electrochromic materials represented by NiO have been the most studied and commercialized inorganic electrochromic materials due to their high coloring efficiency, large optical modulation range, good electrochemical reversibility, and chemical stability.

The structure of the traditional electrochromic device is designed into an electrode layer and pure color-changing WO₃A NiO layer and an electrolyte layer. The main problems are slow color change speed, poor cycle stability, single color change and the like. In the electrochromismIn the process, the electrochromic material generates redox charge transfer reaction under an applied voltage, in order to ensure the electroneutrality, the charge transfer process accompanied with ion embedding and releasing can be simultaneously carried out, the material crystal lattice or molecular bond can be irreversibly damaged or broken along with the ion embedding and releasing inside the electrochromic material, and simultaneously, the interface among the electrode, the electrolyte layer and the electrochromic material can also directly influence the mass transfer process of a device, so that the integral reaction rate is influenced, and the color change performance of the material is finally influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electrochromic intelligence glass composite film is structure, this membrane is structure can promote the induced gathering of electrochromic in-process ion in microdefect interface department for the color time, increase light modulation range, improve the homogeneity that discolours, promote the efficiency of discolouing of film.

The utility model provides a technical scheme that its technical problem adopted is:

an electrochromic intelligent glass composite film system structure comprises a glass substrate, wherein a lower electrode layer and a WO (tungsten trioxide) are sequentially laminated on the top surface of the glass substrate from bottom to top₃The NiO color-changing film layer is arranged on the upper electrode layer;

WO₃the color-changing film layer is internally clamped with a first SiO₂A layer of discrete microspheres; a second SiO is clamped in the NiO color-changing film layer₂A layer of discrete microspheres.

Further, the electrolyte layer is an alloy oxide of L i and Ga or an alloy oxide of L i and Nb.

Further, the first SiO₂Discrete microsphere layer and second SiO₂SiO in discrete microsphere layer₂The diameter of the microsphere is 5-150 nm.

Further, said WO₃The thickness of the color-changing film layer is 50-400 nm, and the thickness of the NiO color-changing film layer is 60-400 nm.

Further, the lower electrode layer is an FTO film layer or an ITO film layer.

Further, the upper electrode layer is an ITO film layer.

Furthermore, the thicknesses of the upper electrode layer and the lower electrode layer are both 50-300 nm.

The utility model has the advantages that the utility model can be realized by the WO₃SiO is embedded into the color-changing film layer and the NiO color-changing film layer₂Nano-microspheres as microdefects, microdefects of SiO₂The nanospheres and the color-changing film layer can form interface defects, so that the induced aggregation of ions at the interface of the microdefect in the electrochromic process is promoted, the coloring time is shortened, the light modulation amplitude is increased, the color-changing uniformity is improved, and the color-changing efficiency of the film is improved.

Drawings

The invention will be further described with reference to the following figures and examples:

fig. 1 is a schematic structural diagram of the present invention.

Detailed Description

As shown in figure 1, the utility model provides an electrochromic intelligent glass composite film system structure, which comprises a glass substrate 1, wherein a lower electrode layer 2 and a WO are sequentially stacked on the top surface of the glass substrate 1 from bottom to top₃A color-changing film layer 3, an electrolyte layer 4, a NiO color-changing film layer 5 and an upper electrode layer 6.

WO₃A first SiO is clamped in the color-changing film layer 3₂A discrete microsphere layer 7; a second SiO is arranged in the NiO color-changing film layer 5₂A layer of discrete microspheres 8.

Preferably, the first SiO₂ Discrete microsphere layer 7 and second SiO₂SiO in the discrete microsphere layer 8₂The diameter of the microsphere is 5-150 nm, the electrolyte layer 2 is an alloy oxide of L i and Ga or an alloy oxide of L i and Nb, WO₃The thickness of the color-changing film layer 3 is 50-400 nm, and the thickness of the NiO color-changing film layer 5 is 60-400 nm.

The lower electrode layer 2 is an FTO film layer or an ITO film layer, the upper electrode layer 6 is an ITO film layer, and the thicknesses of the two electrode layers are both 50-300 nm.

In actual preparation, each film layer can be prepared by adopting a magnetron sputtering deposition process. For embedded first SiO₂The discrete microsphere layer can be formed by magnetron sputtering WO with a certain thickness₃Color-changing films, by knife coating, in WO₃Preparing first SiO on the surface of the color-changing film₂DispersingA layer of microspheres, followed by magnetron sputtering of the remaining WO₃Color change film to obtain a film sandwiched with first SiO₂WO of discrete microsphere layers₃And a color-changing film layer. Second SiO₂The preparation of the discrete microsphere layer is similar and will not be described herein.

The utility model is provided in WO₃SiO is embedded into the color-changing film layer and the NiO color-changing film layer₂Nano-microspheres as microdefects, microdefects of SiO₂The nanospheres and the color-changing film layer can form interface defects, so that the induced aggregation of ions at the interface of the microdefect in the electrochromic process is promoted, the coloring time is shortened, the light modulation amplitude is increased, the color-changing uniformity is improved, and the color-changing efficiency of the film is improved.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way; the invention is not limited to the embodiments described herein, but is capable of other embodiments according to the invention, and may be used in various other applications, including, but not limited to, industrial. Therefore, any simple modification, equivalent replacement, equivalent change and modification made to the above embodiments by the technical entity of the present invention all still belong to the protection scope of the technical solution of the present invention.

Claims

1. An electrochromic intelligent glass composite film system structure is characterized by comprising a glass substrate, wherein a lower electrode layer, a WO (tungsten trioxide) are sequentially laminated on the top surface of the glass substrate from bottom to top₃The NiO color-changing film layer is arranged on the upper electrode layer;

2. The electrochromic smart glass composite film system structure of claim 1, wherein said first SiO₂Discrete microsphere layer and second SiO₂SiO in discrete microsphere layer₂The diameter of the microsphere is 5-150 nm.

3. The electrochromic smart glass composite film system structure of claim 1 or 2, wherein the electrolyte layer is an alloy oxide of L i and Ga or an alloy oxide of L i and Nb.

4. The electrochromic smart glass composite film system structure as claimed in claim 1 or 2, wherein the WO is₃The thickness of the color-changing film layer is 50-400 nm, and the thickness of the NiO color-changing film layer is 60-400 nm.

5. The electrochromic smart glass composite film system structure according to claim 1, wherein the lower electrode layer is an FTO film layer or an ITO film layer.

6. The electrochromic smart glass composite film system structure as claimed in claim 1, wherein the upper electrode layer is an ITO film layer.

7. The electrochromic smart glass composite film system structure as claimed in claim 5 or 6, wherein the thicknesses of the upper electrode layer and the lower electrode layer are both 50-300 nm.