阅读说明：本技术 一种快速加热的防病毒玻璃及其制备方法 (Rapidly-heated anti-virus glass and preparation method thereof ) 是由 马立云 杨勇 王田禾 曹欣 崔介东 石丽芬 单传丽 倪嘉 仲召进 王萍萍 高强 于 2020-06-23 设计创作，主要内容包括：本发明公开一种快速加热的防病毒玻璃,包括玻璃基底,玻璃基底顶面由下至上依次层叠有石墨烯层、金属网格层、透明氧化物导电层与抗氧化层；金属网格层的网孔孔径为0.5～2μm；所述玻璃基底与石墨烯层的一侧边缘之间夹设有第一电极,透明氧化物导电层与抗氧化层的一侧边缘之间夹设有第二电极；在制备时,依次通过清洗、封接第一电极、旋涂石墨烯层、溅射金属网格层、溅射透明导电氧化物膜层、封接第二电极、镀制抗氧化层,最终得到快速加热的防病毒玻璃；该玻璃能够实现快速加热的目的,加热均匀,同时保证玻璃的透过率；并且制备方法简单,易于实现。(The invention discloses rapidly heated anti-virus glass which comprises a glass substrate, wherein a graphene layer, a metal grid layer, a transparent oxide conducting layer and an anti-oxidation layer are sequentially laminated on the top surface of the glass substrate from bottom to top; the mesh aperture of the metal mesh layer is 0.5-2 mu m; a first electrode is clamped between the glass substrate and one side edge of the graphene layer, and a second electrode is clamped between the transparent oxide conducting layer and one side edge of the antioxidation layer; during preparation, the rapidly heated antivirus glass is finally obtained by sequentially cleaning, sealing a first electrode, spin-coating a graphene layer, sputtering a metal grid layer, sputtering a transparent conductive oxide film layer, sealing a second electrode and plating an antioxidation layer; the glass can realize the purpose of rapid heating, is uniformly heated, and simultaneously ensures the transmittance of the glass; and the preparation method is simple and easy to realize.)

1. The rapidly heated anti-virus glass is characterized by comprising a glass substrate, wherein a graphene layer, a metal grid layer, a transparent oxide conducting layer and an anti-oxidation layer are sequentially laminated on the top surface of the glass substrate from bottom to top; the mesh aperture of the metal mesh layer is 0.5-2 mu m; a first electrode is clamped between the glass substrate and one side edge of the graphene layer, and a second electrode is clamped between the transparent oxide conducting layer and one side edge of the antioxidation layer.

2. The rapidly heating antivirus glass according to claim 1, wherein the glass substrate is an ultra-thin glass with a thickness of 0.12 to 0.33 mm.

3. A rapidly heating antivirus glass according to claim 1 or 2, wherein the metal used in the metal mesh layer is tungsten, nickel, aluminum, silver or gold.

4. The rapidly heating antivirus glass according to claim 1 or 2, wherein the transparent oxide conductive layer is an ITO thin film, an AZO thin film or an FTO thin film.

5. A rapidly heating antivirus glass according to claim 1 or 2, wherein the antioxidation layer is SiO₂、Al₂O₃Or AlN, and the thickness of the antioxidation layer is 20-50 nm.

6. The rapidly heating antivirus glass according to claim 4, wherein the thickness of the transparent oxide conductive layer is 20 to 50nm when the transparent oxide conductive layer is an ITO thin film, and the thickness of the transparent oxide conductive layer is 200 to 400nm when the transparent oxide conductive layer is an AZO thin film.

7. A preparation method of rapidly heated anti-virus glass is characterized by comprising the following steps:

s1, cleaning the glass substrate, and removing dirt on the surface of the glass substrate;

s2, sealing the first electrode on the edge of the top surface of the glass substrate;

s3, preparing a graphene layer and single-layer polystyrene microspheres on the top surface of the glass substrate by using a colloid prepared by a spin-coating method, wherein the polystyrene microspheres are uniformly distributed on the graphene layer, so that a group of circular arc-shaped depressions are formed on the surface of the graphene layer;

s4, plating metal on the surface finished in the step S3 through a magnetron sputtering process; the plating metal adopts tungsten, nickel, aluminum, silver or gold;

s5, removing the polystyrene microspheres to obtain a metal grid layer; meshes of the metal grid layer correspond to the circular arc depressions of the graphene layer one by one;

s6, preparing a transparent conductive oxide film layer on the top surface of the metal grid layer through a magnetron sputtering process; the transparent oxide conducting layer is an ITO thin film, an AZO thin film or an FTO thin film;

s7, sealing the second electrode on the edge of the top surface of the transparent conductive oxide film layer;

s8, plating an anti-oxidation layer on the transparent conductive oxide film layer, wherein the anti-oxidation layer is SiO₂、Al₂O₃Or AlN, the thickness of the antioxidation layer is 30-50 nm; the anti-virus glass which is heated rapidly is obtained.

8. The method according to claim 7, wherein the glass substrate of step S1 is made of ultra-thin glass with a thickness of 0.12-0.33 mm.

9. The method for preparing rapidly heated anti-virus glass according to claim 7, wherein the colloid in step S3 is a mixed colloid of graphene and polystyrene microspheres, and the mass ratio of graphene to polystyrene is 1: 50-100; the particle size of the polystyrene microspheres is 0.5-2 mu m.

10. The method for preparing the rapidly heated antivirus glass according to claim 7, wherein step S5 is performed by ultrasonic cleaning with tetrahydrofuran or toluene organic solvent for 0.2-0.5 h to remove polystyrene microspheres.

Technical Field

The invention relates to the technical field of functional glass, in particular to rapidly-heated anti-virus glass and a preparation method thereof.

Background

Coronavirus was first isolated from chickens in 1937. In 1965, the first human coronavirus strain was isolated. The outer membrane of the virus is observed to have obvious rod-shaped particle protrusions under an electron microscope, so that the shape of the virus looks like the crown of the European empire in the middle century, and the virus is named as 'coronavirus'.

Since the discovery, coronavirus has serious threat to human health, and Severe Acute Respiratory Syndrome (SARS) affecting the world in 2003, middle east respiratory syndrome (EMRS-CoV) affecting the world in 2012, and novel coronavirus (2019-nCoV) affecting the world in 2019 and 12 months later have great influence on the health and economy of human beings all around the world.

Coronavirus is thermal, so that the surface of an object with the virus can be heated to kill the virus, the traditional electric heating glass is formed by embedding a superfine tungsten wire or copper wire and other metal heating wires at one side of an intermediate film of laminated glass, and the electric heating glass treated by the method has the defects of slow heating, nonuniform heating and low transmittance.

Disclosure of Invention

The invention aims to provide quick-heating anti-virus glass and a preparation method thereof, the glass can realize the purpose of quick heating, is uniformly heated, and simultaneously ensures the transmittance of the glass; and the preparation method is simple and easy to realize.

The technical scheme adopted by the invention for solving the technical problems is as follows:

a quick-heating anti-virus glass comprises a glass substrate, wherein a graphene layer, a metal grid layer, a transparent oxide conducting layer and an anti-oxidation layer are sequentially laminated on the top surface of the glass substrate from bottom to top; the mesh aperture of the metal mesh layer is 0.5-2 mu m; a first electrode is clamped between the glass substrate and one side edge of the graphene layer, and a second electrode is clamped between the transparent oxide conducting layer and one side edge of the antioxidation layer.

Furthermore, the glass substrate is ultrathin glass with the thickness of 0.12-0.33 mm.

Further, the metal used for the metal grid layer is tungsten, nickel, aluminum, silver or gold.

Further, the transparent oxide conducting layer is an ITO thin film, an AZO thin film or an FTO thin film.

Further, the anti-oxidation layer is SiO₂、Al₂O₃Or AlN, and the thickness of the antioxidation layer is 20-50 nm.

Furthermore, the thickness of the transparent oxide conducting layer is 20-50 nm when the transparent oxide conducting layer is an ITO film, and the thickness of the transparent oxide conducting layer is 200-400 nm when the transparent oxide conducting layer is an AZO film.

The invention also provides a preparation method of the rapidly heated anti-virus glass, which comprises the following steps:

s1, cleaning the glass substrate, and removing dirt on the surface of the glass substrate;

s2, sealing the first electrode on the edge of the top surface of the glass substrate;

s3, preparing a graphene layer and single-layer polystyrene microspheres on the top surface of the glass substrate by using a colloid prepared by a spin-coating method, wherein the polystyrene microspheres are uniformly distributed on the graphene layer, so that a group of circular arc-shaped depressions are formed on the surface of the graphene layer;

s4, plating metal on the surface finished in the step S3 through a magnetron sputtering process; the plating metal adopts tungsten, nickel, aluminum, silver or gold;

s5, removing the polystyrene microspheres to obtain a metal grid layer; meshes of the metal grid layer correspond to the circular arc depressions of the graphene layer one by one;

s6, preparing a transparent conductive oxide film layer on the top surface of the metal grid layer through a magnetron sputtering process; the transparent oxide conducting layer is an ITO thin film, an AZO thin film or an FTO thin film;

s7, sealing the second electrode on the edge of the top surface of the transparent conductive oxide film layer;

s8, plating an anti-oxidation layer on the transparent conductive oxide film layer, wherein the anti-oxidation layer is SiO₂、Al₂O₃Or AlN, the thickness of the antioxidation layer is 30-50 nm; the anti-virus glass which is heated rapidly is obtained.

Furthermore, the glass substrate of the step S1 is made of ultrathin glass with the thickness of 0.12-0.33 mm.

Further, the colloid in step S3 is a mixed colloid of graphene and polystyrene microspheres, and the mass ratio of graphene to polystyrene is 1: 50-100; the particle size of the polystyrene microspheres is 0.5-2 mu m.

Further, in the step S5, tetrahydrofuran or toluene organic solvent is adopted for ultrasonic cleaning to remove the polystyrene microspheres, and the ultrasonic cleaning time is 0.2-0.5 h.

The invention has the beneficial effects that:

one, the combination of graphite alkene layer, metal mesh layer and transparent conductive oxide layer, the resistance that can effectual reduction whole membrane system when carrying out the electrical heating through the electrode, under the unchangeable condition of voltage and heat time, according to joule law Q = UIT, the resistance reduces, and the electric current increases, and then the heat that produces increases, can the rapid heating glass substrate, kills the virus.

And the transmittance of the glass can be ensured through a combined film system structure of the graphene layer, the metal grid layer and the transparent conductive oxide layer.

And thirdly, the service life of the whole anti-virus glass can be effectively prolonged by increasing the anti-oxidation layer.

Drawings

The invention is further illustrated with reference to the following figures and examples:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic diagram of step S3 of the present invention;

FIG. 3 is a top view of FIG. 2;

FIG. 4 is a schematic representation of step S4 of the present invention;

FIG. 5 is a schematic representation of step S5 of the present invention;

FIG. 6 is a schematic representation of step S6 of the present invention;

FIG. 7 is a schematic representation of step S7 of the present invention;

fig. 8 is a schematic diagram of step S8 of the present invention.

Detailed Description

As shown in fig. 1, the invention provides a rapid heating anti-virus glass, which comprises a glass substrate 1, wherein a graphene layer 2, a metal grid layer 3, a transparent oxide conductive layer 4 and an anti-oxidation layer 5 are sequentially laminated on the top surface of the glass substrate 1 from bottom to top; the mesh aperture of the metal mesh layer 3 is 0.5-2 mu m; a first electrode 6 is sandwiched between the glass substrate 1 and one side edge of the graphene layer 2, and a second electrode 7 is sandwiched between the transparent oxide conductive layer 4 and one side edge of the antioxidation layer 6.

The surface of the graphene layer 2 is provided with circular arc-shaped depressions 2a which correspond to the meshes of the metal mesh layer 3 one by one.

Preferably, the glass substrate 1 is ultra-thin glass with the thickness of 0.12-0.33 mm; the metal adopted by the metal grid layer 3 is tungsten, nickel, aluminum, silver or gold; the transparent oxide conducting layer 4 is an ITO thin film, an AZO thin film or an FTO thin film; the antioxidation layer 5 is SiO₂、Al₂O₃Or AlN, and the thickness of the antioxidation layer 5 is 20-50 nm.

When the transparent oxide conducting layer 4 is an ITO film, the thickness of the transparent oxide conducting layer 4 is 20-50 nm; when the transparent oxide conductive layer 4 is an AZO thin film, the thickness of the transparent oxide conductive layer 4 is 200 to 400 nm.

The invention also provides a preparation method of the rapidly heated anti-virus glass, which comprises the following steps:

s1, cleaning the glass substrate 1, and removing dirt on the surface of the glass substrate 1; preferably, the glass substrate 1 is made of ultrathin glass with the thickness of 0.12-0.33 mm;

specifically, the glass substrate 1 is placed into an ultrasonic cleaning machine, firstly, acetone is used for ultrasonic treatment for 20min, then, alcohol is used for ultrasonic treatment for 20min, then, deionized water is used for ultrasonic treatment for 20min, and finally, N is used₂Drying to obtain a clean glass substrate;

s2, sealing the first electrode 6 to the edge of the top surface of the glass substrate 1, as shown in fig. 2 and 3;

s3, preparing a graphene layer 2 and a single-layer polystyrene microsphere 9 on the top surface of the glass substrate 1 by using a colloid prepared by a spin-coating method, wherein the polystyrene microsphere 9 is uniformly distributed on the graphene layer 2, so that a group of circular arc-shaped depressions 2a are formed on the surface of the graphene layer 2;

the colloid is a mixed colloid of graphene and polystyrene microspheres, and the mass ratio of the graphene to the polystyrene is 1: 50-100; the particle size of the polystyrene microspheres is 0.5-2 mu m;

s4, as shown in the combined figure 4, plating metal on the surface finished in the step S3 through a magnetron sputtering process; the plating metal adopts tungsten, nickel, aluminum, silver or gold;

the embodiment specifically comprises the steps of taking polystyrene microspheres 9 as a template, depositing metal among gaps of the polystyrene microspheres by a magnetron sputtering process, wherein the deposited metal layer is on a graphene layer, the sputtering metal is tungsten, the power is 60W, the deposition time is 30s, and the thickness is 10 nm;

s5, removing the polystyrene microspheres 9 to obtain the metal grid layer 3 as shown in the combined figure 5; meshes of the metal grid layer 3 correspond to the circular arc depressions 2a of the graphene layer one by one;

the polystyrene microspheres can be removed by ultrasonic cleaning with tetrahydrofuran or toluene organic solvent, and the ultrasonic cleaning time is 0.2-0.5 h;

s6, with reference to fig. 6, preparing a transparent conductive oxide film layer 4 on the top surface of the metal mesh layer by a magnetron sputtering process; the transparent oxide conducting layer 4 is an ITO thin film, an AZO thin film or an FTO thin film;

in the embodiment, an ITO film with the thickness of 20nm is deposited;

s7, referring to fig. 7, sealing the second electrode 7 to the top edge of the transparent conductive oxide film layer 4;

s8, referring to FIG. 8, an anti-oxidation layer 5 is plated on the transparent conductive oxide film layer 4, wherein the anti-oxidation layer 5 is SiO₂、Al₂O₃Or AlN, the thickness of the antioxidation layer 5 is 30-50 nm; the antioxidation layer 5 of the present embodiment is made of SiO with a thickness of 50nm₂A film; finally, the quickly heated anti-virus glass is obtained.

When the glass heating device is used, the first electrode 6 and the second electrode 7 are connected with the power supply 8 to electrically heat the glass, and the heating temperature can be detected through the temperature sensor, so that the heating current is adjusted, and the heating temperature of the glass meets the requirement.

The foregoing is merely a preferred embodiment of the invention and is not intended to limit the invention in any manner; those skilled in the art can make numerous possible variations and modifications to the present teachings, or modify equivalent embodiments to equivalent variations, without departing from the scope of the present teachings, using the methods and techniques disclosed above. Therefore, any simple modification, equivalent replacement, equivalent change and modification made to the above embodiments according to the technical essence of the present invention are still within the scope of the protection of the technical solution of the present invention.