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Preparation method of intelligent glass anode electrochromic layer coating material

An anodic electrochromic and smart glass technology, applied in metal material coating process, coating, manufacturing tools, etc., can solve the problems of high cost of smart glass, increased frequency of nickel target replacement, slow industrialization progress, etc., to achieve Effects of improving chemical stability, reducing film roughness, and improving applicability

Inactive Publication Date: 2018-10-16
SHENZHEN KING CHUANG TECH & ELECTRONICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, nickel metal is magnetically conductive, and the thickness of the coating material (target material) will affect the cathode magnetic field. The thickness of the target material is generally 2-3mm. In industrial production, due to the thin thickness of the nickel target, the consumption of the nickel target is too fast, resulting in an increase in the replacement frequency of the nickel target. Affect production efficiency
Due to the above reasons, the cost of smart glass is currently high and the progress of industrialization is slow.

Method used

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  • Preparation method of intelligent glass anode electrochromic layer coating material
  • Preparation method of intelligent glass anode electrochromic layer coating material

Examples

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Effect test

Embodiment 1

[0018] A method for preparing an anode electrochromic layer coating material for smart glass, using pure nickel oxide powder, adding 68wt% zirconia balls, 30wt% pure water and 2wt% dispersant, grinding and mixing fully, the time is 36 hours, The formed slurry is poured into a three-inch porous mold, and after 24 hours of drying, the low-density green body of the oxide is formed by demolding, and then sintered in a vacuum sintering furnace at 1300°C for 5 hours, with a vacuum degree of 2000mmHg. Form a high-density target body for sputtering, cut and grind the surface into a three-inch target; then put the required coated glass substrate into the sputtering chamber, and vacuum the background of the sputtering chamber The pressure is pumped to 0.8×10 -5 After torr, a mixed gas of argon and oxygen is introduced, the volume ratio of oxygen in the mixed gas is 3%, and the mixed gas is passed through the throttle valve to control the working pressure of the sputtering chamber to be ...

Embodiment 2

[0021] A method for preparing an anode electrochromic layer coating material for smart glass, using pure nickel oxide powder, adding a second oxide to the nickel oxide, then adding 68wt% zirconia balls, 30wt% pure water and 2wt% Dispersant, grinding and mixing, the time is 24 hours, the formed slurry is poured into a three-inch porous mold, after 24 hours of drying, the low-density green body of the oxide is formed by demolding, and then passed through the vacuum sintering furnace Sintering at 1100°C for 3 hours, with a vacuum of 400mmHg, to form a high-density target body for sputtering, which is cut and ground into a three-inch target; then put the required glass substrate into the sputtering chamber, Use the vacuum pumping system to pump the background pressure of the sputtering chamber to 0.7×10 -5 After torr, the mixed gas of argon and oxygen is introduced, the volume ratio of oxygen in the mixed gas is 2%, and the working pressure of the sputtering chamber is controlled ...

Embodiment 3

[0025] A method for preparing an anode electrochromic layer coating material for smart glass, using pure nickel oxide powder, adding a second oxide to the nickel oxide, then adding 68wt% zirconia balls, 30wt% pure water and 2wt% Dispersant, grinding and mixing, the time is 36 hours, the formed slurry is poured into a three-inch porous mold, after 24 hours of drying, the low-density green body of the oxide is formed by demolding, and then passed through the vacuum sintering furnace Sintering at 1300°C for 5 hours, with a vacuum of 2000mmHg, to form a high-density target body for sputtering, which is cut and ground into a three-inch target; then put the required glass substrate into the sputtering chamber, Use the vacuum pumping system to pump the background pressure of the sputtering chamber to 0.8×10 -5 After torr, a mixed gas of argon and oxygen is introduced, the volume ratio of oxygen in the mixed gas is 3%, and the mixed gas is passed through the throttle valve to control ...

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Abstract

The invention discloses a preparation method of an intelligent glass anode electrochromic layer coating material. A relative target material is manufactured by using a mode of slip casting and vacuumhigh-temperature sintering; vacuum treatment is carried out in a high-temperature sintering process, and a second element is added into nickel oxide, so that the conductivity of the material is improved through the electric carrier mobility generated by caused oxygen vacancy, the uniformity and the density of the target material are improved, the generation of abnormal electric arc during a sputtering process is greatly reduced, the service life and the utilization rate of the target material are prolonged, and the quality and the performance of the sputtering film are improved. A stable sputtering arc can be obtained by using a pulse direct current (DC) power supply, an alternating current (AC) power supply, an intermediate frequency (MF) power supply, or other power supplies in a sputtering process, and only the introduction of a small amount of oxygen is required in the sputtering process, so that dustfall is not easily caused. In addition, the process of staged heating sintering isadopted, and other gas is added into argon, so that the sputtering film forming rate can be increased by about 5-10 times, and the flatness and the large-area uniformity of the film can be improved.

Description

technical field [0001] The invention relates to a method for preparing a coating material, in particular to a method for preparing a smart glass anode electrochromic layer coating material Background technique [0002] Electrochromism refers to the phenomenon that the optical properties of materials (transmission, reflection and absorption of light) undergo stable and reversible changes in a certain wavelength range including visible light wavelengths through the action of an external electric field or current. A reversible change in transparency. After decades of development, electrochromic materials have entered the stage of applying electrochromic devices from the experimental stage. According to the adjustable transmission, adjustable reflection, information display and radiation adjustable properties of electrochromic materials, the corresponding electrochromic devices include smart windows, mirrors, displays, etc. [0003] Electrochromic materials require materials w...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C03C17/245C23C14/34C23C14/08C04B35/01C04B35/64B28B1/26
CPCB28B1/26C03C17/245C03C17/2456C03C2217/217C03C2217/23C03C2217/70C03C2218/154C04B35/01C04B35/64C04B2235/3232C04B2235/3239C04B2235/3241C04B2235/3279C04B2235/3281C04B2235/3284C04B2235/656C04B2235/6581C04B2235/77C23C14/08C23C14/3414
Inventor 黄信二
Owner SHENZHEN KING CHUANG TECH & ELECTRONICS
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