CN208239747U - A kind of photochromic structure of active response - Google Patents
A kind of photochromic structure of active response Download PDFInfo
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- CN208239747U CN208239747U CN201820784197.6U CN201820784197U CN208239747U CN 208239747 U CN208239747 U CN 208239747U CN 201820784197 U CN201820784197 U CN 201820784197U CN 208239747 U CN208239747 U CN 208239747U
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- layer
- gas
- photochromic
- active response
- transparent
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- 239000007789 gas Substances 0.000 claims abstract description 55
- 239000000758 substrate Substances 0.000 claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 16
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 14
- 239000001301 oxygen Substances 0.000 claims abstract description 14
- 230000008020 evaporation Effects 0.000 claims description 4
- 238000001704 evaporation Methods 0.000 claims description 4
- 238000005286 illumination Methods 0.000 abstract description 10
- 238000002845 discoloration Methods 0.000 abstract description 5
- 238000002360 preparation method Methods 0.000 abstract description 2
- 239000011521 glass Substances 0.000 description 23
- 239000010408 film Substances 0.000 description 21
- QGLKJKCYBOYXKC-UHFFFAOYSA-N nonaoxidotritungsten Chemical compound O=[W]1(=O)O[W](=O)(=O)O[W](=O)(=O)O1 QGLKJKCYBOYXKC-UHFFFAOYSA-N 0.000 description 17
- 229910001930 tungsten oxide Inorganic materials 0.000 description 17
- 238000002834 transmittance Methods 0.000 description 14
- 238000000576 coating method Methods 0.000 description 11
- 239000000463 material Substances 0.000 description 11
- 239000011248 coating agent Substances 0.000 description 10
- 238000005562 fading Methods 0.000 description 9
- 238000009423 ventilation Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 230000007613 environmental effect Effects 0.000 description 4
- 229910000476 molybdenum oxide Inorganic materials 0.000 description 4
- PQQKPALAQIIWST-UHFFFAOYSA-N oxomolybdenum Chemical compound [Mo]=O PQQKPALAQIIWST-UHFFFAOYSA-N 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 3
- 238000005538 encapsulation Methods 0.000 description 3
- 230000004298 light response Effects 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 238000001228 spectrum Methods 0.000 description 3
- 239000002131 composite material Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 208000034006 Device colour issue Diseases 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- POZJWRRDBOEZOO-UHFFFAOYSA-N [Mo]=O.[W]=O Chemical compound [Mo]=O.[W]=O POZJWRRDBOEZOO-UHFFFAOYSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000013007 heat curing Methods 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229920000609 methyl cellulose Polymers 0.000 description 1
- 239000001923 methylcellulose Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000005622 photoelectricity Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 238000002207 thermal evaporation Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
Landscapes
- Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
Abstract
The utility model relates to a kind of photochromic structures of active response, it is characterized in that, including the first transparent substrate, the second transparent substrate, positioned at the first transparent substrate and second it is transparent between gas circulate layer, and positioned at close the gas of first transparent substrate or/and the second transparent substrate circulate layer side photochromatic layer；The gas circulation layer includes the gas feed for being passed through gas and the gas vent for eluting gas.Photochromic photochromic film layer, transparent hydrophilic layer, gas generator and the connecting line for being integrated into high discoloration efficiency of the active response of the utility model preparation, realization are coloured under illumination condition, are faded rapidly when opening oxygen/water steam and occurring.The utility model structure novel, response are fast, can be widely applied to the optically functional devices such as Energy Saving Windows.
Description
Technical field
The utility model relates to a kind of photochromic structures of active response, belong to photochromic material application field.
Background technique
From 1899, Markwald had studied Isosorbide-5-Nitrae-dihydro -2,3, and what 4,4- Tetrachloronaphthalene -1- ketone occurred under light action can
The behavior of inverse color change, the phenomenon are referred to as photochromism, and a large amount of scientists have studied a variety of organic and nothing later
Machine photochromic material tungsten oxide, molybdenum oxide are wherein mostly important inorganic photochromic materials, aobvious in energy-saving film, large screen
Show and is with a wide range of applications in the fields such as high density data storage.Especially energy-saving film field, existing market sale
Energy-saving glass or energy saving pad pasting (abbreviation Energy Saving Windows) belong to low-launch-rate (Low-E) scope, its main feature is that with higher
Visible light transmittance and lower far infrared transmissivity (winter is heat-insulated), can be while realizing heat-insulation and heat-preservation, in sunlight
Infrared part carry out high blocking (being suitable for hot area) or high transmission (being suitable for cold district).But due to low transmitting
Rate Energy Saving Windows optical property is fixed, and cannot realize summer in winter bidirectional modulation with environmental change, is not suitable for winter warm summer heat and is made a clear distinction between the four seasons ground
The application in area, and the photochromic energy-saving glass of huge optical change development caused by illumination reaction is utilized, due to that can comply with
The automatic adjustment of photo-thermal transflector is realized in ambient lighting variation, is not necessarily to any artificial energy source, it is considered to be the energy conservation of most low-carbon environment-friendly
One of glass material.
Compared with organic photochromic material, tungsten oxide, molybdenum oxide stability are good, at low cost, but its photochromic efficiency
Difference, especially fade rates are slow (being up to 20 hours or more).In order to improve this kind of inorganic material discoloration and colour fading efficiency, mention
Go out various solutions and achieves many significant results.For example, by light responsive material and photochromic function nanometer
Particle is compound, achieves quick colour fading using ozone[1], or realized using air humidity and quickly faded[2].But how by these
Idea is converted to product design, and there are no the reports of this respect.
Bibliography:
[1]Electrospun Photochromic Hybrid Membranes for Flexible Rewritable
Media,Jing Wei,Xiuling Jiao,Ting Wang*,and Dairong Chen*,ACS Materials&
Interfaces,2016,8,29713-29720.；
[2]Photochromic Properties of Tungsten Oxide/Methylcellulose
Composite Film Containing Dispersing Agents,Suzuko Yamazaki*,Hiroki Ishida,
Dai Shimizu,and Kenta Adachi,ACS Appl.Mater.Interfaces 2015,7,26326-26332。
Utility model content
In view of the above-mentioned problems, the utility model provides a kind of photochromic structure of active response, including the first transparent base
Material, the second transparent substrate, positioned at the first transparent substrate and second it is transparent between gas circulate layer, and be located at described first thoroughly
The photochromatic layer of the side of bright substrate or/and the close gas of the second transparent substrate circulation layer；Gas circulation layer includes
For being passed through the gas feed of gas and for the gas vent of eluting gas.
Preferably, the photochromic structure of active response further includes the gas generator being connected in gas feed.
Also, preferably, the gas generator is oxygen generator or steam evaporator.
Also, the steam evaporator is vapor preferably, the oxygen generator is oxygen cylinder or electrolytic water device
Bottle or evaporation generate the device of vapor.
Preferably, the photochromatic layer with a thickness of 0.2~100 μm.
Preferably, gas circulation layer with a thickness of 1~10mm.
Preferably, the photochromic structure of active response further includes transparent hydrophilic layer, the active response is photochromic
Structure further includes the transparent hydrophilic layer between photochromatic layer and gas circulation layer.
Also, preferably, when the photochromic structure of the active response only contains one layer of photochromatic layer, the transparent parent
Water layer can be located at the two sides of gas circulation layer.Preferably, the transparent hydrophilic layer with a thickness of 0.2~100 μm, water contact angle≤
30°。
The photochromic photochromic film layer, transparent for being integrated into high discoloration efficiency of the active response of the utility model preparation
Hydrophilic layer, gas generator and connecting line, realization colour under illumination condition, rapid when opening oxygen/water steam and occurring
It fades.The utility model structure novel, response are fast, can be widely applied to the optically functional devices such as Energy Saving Windows.
Detailed description of the invention
Fig. 1 is that simple tungsten oxide film prepared by comparative example 1 changes colour/fade spectrogram；
Fig. 2 is the fading time figure (transmitance that wavelength is 1500nm) of simple tungsten oxide film prepared by comparative example 1；
Fig. 3 is the schematic diagram of the photochromic structure of quick response prepared by embodiment 1；
Fig. 4 is device discoloration and the colour fading spectrogram of the photochromic structure of quick response prepared by embodiment 1.
Specific embodiment
The utility model is further illustrated below by way of following embodiments, it should be appreciated that following embodiments are only used for
Bright the utility model, rather than limit the utility model.
In the disclosure, the photochromic structure of active response includes Double-layered transparent substrate (the first transparent substrate 101 and second
Transparent substrate 102), the photochromatic layer 103 on the inside of double layer substrates and gas circulates layer 108.Wherein photochromatic layer
103 are located at the side of the close gas circulation layer of first transparent substrate or/and the second transparent substrate.Moreover, gas circulates
Layer further includes for being passed through the gas feed of gas (air inlet) 106 and for the gas vent (venthole) 107 of eluting gas.
In one embodiment of the utility model, the photochromic structure of active response further includes transparent hydrophilic layer, described
Bright hydrophilic layer is located between photochromatic layer and gas circulation layer.When the photochromic structure of active response only contains one layer of light-induced variable
When chromatograph, which can be located at the two sides of gas circulation layer.In alternative embodiments, the thickness of transparent hydrophilic layer
It can be 0.2~100 μm, water contact angle≤30 °.The material of transparent hydrophilic layer can be the long-acting antifoggant of ZXL-CFW (Laiyang Zi Xi Lay
Environmental Protection Technology Co., Ltd), SF-2041 series anti-fog coating (Shanghai tie up triumphant photoelectricity new material Co., Ltd), Oslo-EG it is super close
Water antifog nano paint (Zhuhai City Olso new material Co., Ltd) easy to clean, (Shanghai chases after ZG-RF01 heat cure anti-fog coating
Micron Technology Co., Ltd), one of automobile rearview mirror Transparent Antifogging Coatings (Shanghai Huzheng Nano-Tech Co., Ltd.) etc.,
Cooperate with steam evaporator and exist, is placed in side of the photochromatic layer far from transparent substrate.
In one embodiment of the utility model, the photochromic structure of active response further includes gas generator.The gas
Generator can be connected in gas feed by connecting line, for generating oxygen or vapor.In alternative embodiments,
Gas generator can be oxygen generator or steam evaporator.Wherein oxygen generator can be oxygen cylinder or electrolytic water device.
Steam evaporator can be generated for vapor bottle or evaporation vapor device (thermal evaporation of water or ultrasound evaporation and form water steaming
The device of gas).
In one embodiment of the utility model, the thickness of gas circulation layer can be 1-10mm.
In one embodiment of the utility model, photochromatic layer is tungsten oxide layer, molybdenum oxide layer, tungsten oxide and molybdenum oxide
Mixed membranous layer or tungsten oxide molybdenum oxide composite multilayer membrane.Wherein, the thickness of photochromatic layer can be 0.1~100 μm.
In one embodiment of the utility model, transparent substrate can be one of glass (transparent glass), resin.Its
In, the thickness of transparent substrate can be that (thickness of glass is generally 2-20mm to 0.01-20mm, and pad pasting thickness is generally 0.01-
0.03mm)。
Enumerate embodiment further below the utility model is described in detail.It will similarly be understood that following embodiment is served only for
The utility model is further described, should not be understood as the limitation to scope of protection of the utility model, the technology of this field
Some nonessential modifications and adaptations that personnel's above content according to the present utility model is made belong to the guarantor of the utility model
Protect range.Following specific technological parameters of example etc. are also only an examples in OK range, i.e. those skilled in the art can
It is done in suitable range and is selected with the explanation by this paper, and do not really want to be defined in hereafter exemplary specific value.Following implementations
The transparent substrate selected in example is transparent glass, with a thickness of 5mm.
Comparative example 1
The photochromic light modulation layer of simple tungsten oxide film is coated on the transparent glass of side, and present embodiment aoxidizes tungsten film
Layer is prepared by chemical application method, and film thickness is 40 μm, and solid content 1%, the film spectrum of acquisition is as shown in Figure 1, photochromic
Preceding visible light transmittance and infrared light transmittance (based on 1500nm) are 85%, and after five minutes, light-induced variable occurs for film for illumination
Color, infrared light transmittance are only 15%, it is seen that part slightly reduces light thoroughly, and film presentation is light blue.Under no light condition
Colour fading is brought it about, infrared light transmittance is 35% after infrared light transmittance is 30%, 5 hours after 4 hours, as shown in Fig. 2, than
To the transmitance of 1500nm wavelength, as time went on, the transmitance of the wave band is gradually increased, when fading time reach 12 it is small when
It is just restored to reset condition, therefore realizes that complete fading time is 12 hours.
Embodiment 1
Fig. 3 is a kind of photochromic structural schematic diagram of active response of the utility model.The photochromic light modulation layer of tungsten oxide
It is encapsulated coated in the transparent glass and another transparent glass on the transparent glass of side, being coated with tungsten oxide film layer, centre reserves
Ventilation passageway, designs air inlet and venthole on glass or in encapsulation bar, in the oxygen generator that air inlet access is integrated.?
In the embodiment, tungsten oxide film layer is prepared by chemical application method, and film thickness is 40 μm, solid content 1%；Ventilation passageway (gas
Body circulate layer) size be 1mm, Ventilation Rate 50mL/min.As shown in figure 4, visible light transmittance and infrared light before illumination
Transmitance (based on 1500nm) is 83%, realizes that the complete variable color light response time is 10min, realizes within illumination 10 minutes and become completely
Color, infrared light transmittance are only 15%, it is seen that part slightly reduces light thoroughly, and film presentation is light blue；Under no light condition
It is passed through oxygen, reset condition is restored to after 30min, therefore realizes that complete fading time is 30min.
Embodiment 2
The photochromic light modulation layer of tungsten oxide is coated on the transparent glass of side, and (one of in two sides interior surfaces of glass
Glass is coated in the photochromic light modulation layer surface of tungsten oxide) (super-hydrophilic coating material is Laiyang to the transparent super-hydrophilic coating of coating
The long-acting antifoggant of ZXL-CFW that Zi Xi Lay Environmental Protection Technology Co., Ltd produces, with a thickness of 60 μm, water contact angle is 5 °), by two sides glass
Glass is packaged, and centre reserves ventilation passageway (gas circulation layer), and air inlet and outlet are designed on glass or in encapsulation bar
Hole, in the steam evaporator that air inlet access is integrated, wherein steam evaporator can be heating and evaporate the water, or use
Humidifier makes mist principle.In this embodiment, tungsten oxide film layer is prepared by chemical application method, and film thickness is 40 μm, Gu
Content 1%；The size of ventilation passageway (gas circulation layer) is 1mm, ventilative speed 50mL/min.The spectrum of similar embodiment 1
As a result, visible light transmittance and infrared light transmittance are 83% before illumination, realize that the complete variable color light response time is 10min,
Realize within illumination 10 minutes discoloration completely, infrared light transmittance is only 15%, it is seen that part slightly reduces light thoroughly, and film is presented
It is light blue；It is passed through vapor under no light condition, reset condition is restored to after 10min, therefore realizes that complete fading time is
10min。
Embodiment 3
The photochromic light modulation layer of tungsten oxide is coated on the transparent glass of side, and transparent super in the coating of side interior surfaces of glass
(super-hydrophilic coating material is the long-acting antifoggant of ZXL-CFW that Laiyang Zixilai Environmental Protection Technology Co., Ltd. produces, thickness to hydrophilic coating
It is 60 μm, water contact angle is 5 °), super-hydrophilic coating is only applied to the photochromic light modulation layer surface of tungsten oxide in the present embodiment,
Two sides glass is packaged, centre reserves ventilation passageway (gas circulation layer), and air inlet is designed on glass or in encapsulation bar
Hole and venthole, in the steam evaporator that air inlet access is integrated, wherein steam evaporator can be heating and evaporate the water,
Or mist principle is made using humidifier.In this embodiment, tungsten oxide film layer is prepared by chemical application method, and film thickness is
40 μm, solid content 1%；The size of ventilation passageway (gas circulation layer) is 1mm, ventilative speed 50mL/min.Similar embodiment 1
Spectral results, visible light transmittance and infrared light transmittance are 83% before illumination, realize that the complete variable color light response time is
10min, realizes discoloration completely for illumination 10 minutes, and infrared light transmittance is only 15%, it is seen that part slightly reduces light thoroughly, and thin
Film presents light blue.But it is passed through vapor under no light condition, it is super hydrophilic due to being only coated in side in present embodiment
Coating, during vapor is passed through, other side glass surface hazes, cause fade after spectrum be difficult to measure, with embodiment 1 and
2 compare, and the performance of the photochromic structure of gained active response is poor.
Claims (9)
1. a kind of photochromic structure of active response, which is characterized in that including the first transparent substrate, the second transparent substrate, be located at
First transparent substrate and second it is transparent between gas circulate layer, and be located at first transparent substrate or/and second transparent
The photochromatic layer of the side of the close gas circulation layer of substrate；Gas circulation layer include for be passed through the gas of gas into
Mouthful and for eluting gas gas vent.
2. the photochromic structure of active response according to claim 1, which is characterized in that the active response is photochromic
Structure further includes the gas generator being connected in gas feed.
3. the photochromic structure of active response according to claim 2, which is characterized in that the gas generator is oxygen
Generator or steam evaporator.
4. the photochromic structure of active response according to claim 3, which is characterized in that the oxygen generator is oxygen
Bottle or electrolytic water device, the steam evaporator are the device that vapor bottle or evaporation generate vapor.
5. the photochromic structure of active response according to claim 1, which is characterized in that the photochromic layer thickness is
0.1~100 μm.
6. the photochromic structure of active response according to claim 1, which is characterized in that the thickness of the gas circulation layer
For 1~10 mm.
7. the photochromic structure of active response according to claim 1, which is characterized in that the active response is photochromic
Structure further includes the transparent hydrophilic layer between photochromatic layer and gas circulation layer.
8. the photochromic structure of active response according to claim 7, which is characterized in that when the active response light-induced variable
When color structure only contains one layer of photochromatic layer, the transparent hydrophilic layer is located at the two sides of gas circulation layer.
9. the photochromic structure of active response according to claim 7 or 8, which is characterized in that the transparent hydrophilic layer
With a thickness of 0.2~100 μm, water contact angle≤30 °.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820784197.6U CN208239747U (en) | 2018-05-24 | 2018-05-24 | A kind of photochromic structure of active response |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820784197.6U CN208239747U (en) | 2018-05-24 | 2018-05-24 | A kind of photochromic structure of active response |
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| CN201820784197.6U Expired - Fee Related CN208239747U (en) | 2018-05-24 | 2018-05-24 | A kind of photochromic structure of active response |
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| Country | Link |
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2018
- 2018-05-24 CN CN201820784197.6U patent/CN208239747U/en not_active Expired - Fee Related
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