CN208737172U - A kind of alkalinity electrochromic device - Google Patents
A kind of alkalinity electrochromic device Download PDFInfo
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- CN208737172U CN208737172U CN201820987816.1U CN201820987816U CN208737172U CN 208737172 U CN208737172 U CN 208737172U CN 201820987816 U CN201820987816 U CN 201820987816U CN 208737172 U CN208737172 U CN 208737172U
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- electrochromic device
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- 239000012528 membrane Substances 0.000 claims description 25
- 239000011521 glass Substances 0.000 claims description 13
- 239000002253 acid Substances 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 2
- 239000010408 film Substances 0.000 claims 4
- 150000004702 methyl esters Chemical class 0.000 claims 1
- 239000010409 thin film Substances 0.000 claims 1
- 230000004044 response Effects 0.000 abstract description 12
- 238000002845 discoloration Methods 0.000 abstract description 7
- 150000002500 ions Chemical class 0.000 description 15
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 14
- 239000004926 polymethyl methacrylate Substances 0.000 description 14
- 238000002835 absorbance Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 7
- 230000008859 change Effects 0.000 description 6
- 239000003513 alkali Substances 0.000 description 4
- 230000014759 maintenance of location Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000002585 base Substances 0.000 description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- QIGBRXMKCJKVMJ-UHFFFAOYSA-N Hydroquinone Chemical compound OC1=CC=C(O)C=C1 QIGBRXMKCJKVMJ-UHFFFAOYSA-N 0.000 description 2
- 150000004054 benzoquinones Chemical class 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000002608 ionic liquid Substances 0.000 description 2
- 229920002521 macromolecule Polymers 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000003471 mutagenic agent Substances 0.000 description 2
- 231100000707 mutagenic chemical Toxicity 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- IMSODMZESSGVBE-UHFFFAOYSA-N 2-Oxazoline Chemical compound C1CN=CO1 IMSODMZESSGVBE-UHFFFAOYSA-N 0.000 description 1
- 229910003893 H2WO4 Inorganic materials 0.000 description 1
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008033 biological extinction Effects 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000003618 dip coating Methods 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000005518 electrochemistry Effects 0.000 description 1
- GNBHRKFJIUUOQI-UHFFFAOYSA-N fluorescein Chemical compound O1C(=O)C2=CC=CC=C2C21C1=CC=C(O)C=C1OC1=CC(O)=CC=C21 GNBHRKFJIUUOQI-UHFFFAOYSA-N 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- DCYOBGZUOMKFPA-UHFFFAOYSA-N iron(2+);iron(3+);octadecacyanide Chemical compound [Fe+2].[Fe+2].[Fe+2].[Fe+3].[Fe+3].[Fe+3].[Fe+3].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-] DCYOBGZUOMKFPA-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- IEQIEDJGQAUEQZ-UHFFFAOYSA-N phthalocyanine Chemical compound N1C(N=C2C3=CC=CC=C3C(N=C3C4=CC=CC=C4C(=N4)N3)=N2)=C(C=CC=C2)C2=C1N=C1C2=CC=CC=C2C4=N1 IEQIEDJGQAUEQZ-UHFFFAOYSA-N 0.000 description 1
- 229920000767 polyaniline Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920000123 polythiophene Chemical class 0.000 description 1
- 229960003351 prussian blue Drugs 0.000 description 1
- 239000013225 prussian blue Substances 0.000 description 1
- BBNQQADTFFCFGB-UHFFFAOYSA-N purpurin Chemical compound C1=CC=C2C(=O)C3=C(O)C(O)=CC(O)=C3C(=O)C2=C1 BBNQQADTFFCFGB-UHFFFAOYSA-N 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
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- 239000000758 substrate Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- CMPGARWFYBADJI-UHFFFAOYSA-L tungstic acid Chemical compound O[W](O)(=O)=O CMPGARWFYBADJI-UHFFFAOYSA-L 0.000 description 1
- 238000002371 ultraviolet--visible spectrum Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Landscapes
- Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
Abstract
The utility model provides a kind of alkaline electrochromic device, and the alkalinity electrochromic device includes electrochomeric films, two layers of electrically-conductive backing plate, power supply line and power supply；Wherein, one layer of electrically-conductive backing plate fits in the side of the electrochomeric films, and another layer of electrically-conductive backing plate fits in the other side of the electrochomeric films, and power supply line connects electrically-conductive backing plate and power supply.The alkalinity electrochromic device electrochromism response time provided by the utility model is short, and within 0.30s, and the colour stability after alkaline electrochromic device energization discoloration is good, and the colour stable time is up to 500s or more.
Description
Technical field
The utility model belongs to display device technical field, is related to a kind of alkaline electrochromic device.
Background technique
Electrochromism is the optical properties of material, refer to stablize under external electric field or the function of current, reversible color becomes
Change, the process of reversible change occurs for the color and transparency that intuitively show as material.From foreign scholar's the 1960s
Since Plant is put forward for the first time electrochromism concept, electrochromism phenomenon, which causes, widely to be paid close attention to.It is existing using this electrochromism
As electrochromic device can be prepared.Electrochromic device have visual angle is wide, driving voltage is low, idle memory etc. it is unique excellent
Point herewith has extremely wide purposes in the rearview mirror etc. of sensitive window, display and automobile etc..Electrochromic material can divide
For inorganic and organic two class, inorganic electrochromic material has tungstic acid, Prussian blue etc., and organic electrochromic dyestuff is divided into again
Two class of small organic molecule and macromolecule, small molecular have purpurine, phthalocyanine etc., and macromolecule includes polyaniline compound, polythiophene class etc..
For electrochomeric films majority using ito glass as electrically-conductive backing plate, CN101412588A discloses a kind of cathode electricity at present
The preparation method of optically variable films and electrochomeric glass is caused, with H2WO4Powder or Ni (NO3) powder be raw material, using citric acid network
Conjunction-polymerization liquid chemical method, dip coating process or spin coating coating processes obtain sol pellicle on ito glass substrate, through dry
Dry polymerization, Low Temperature Heat Treatment obtain cathodic electrochromic film, and preparation method is complicated, and the electrochromism response time is longer and consumes
It can be more；" the electroluminescent acid/base theory of Zhang Yumo and its application [D] the Jilin University in organic electrochromic material, 2015. "
In mention and use hydroquinone for electroluminescent alkali, novel oxazoline molecule FXF is prepared for electroluminescent as soda acid response color indicator
Electrochromic device, the electrochromic device response time is short, but the colour stability time is short, and colour stability is poor.
Therefore, it is necessary to develop a kind of electrochromic device, keep its response time shorter, colour stability is more preferable.
Summary of the invention
The purpose of this utility model is to provide a kind of alkaline electrochromic devices.
To reach this purpose of utility model, the utility model uses following technical scheme:
The utility model provides a kind of alkaline electrochromic device, and the alkalinity electrochromic device includes electrochromism
Film, two layers of electrically-conductive backing plate, power supply line and power supply.
Wherein, one layer of electrically-conductive backing plate fits in the side of the electrochomeric films, and another layer of electrically-conductive backing plate fits in institute
The other side of electrochomeric films is stated, power supply line connects electrically-conductive backing plate and power supply.
The electrochomeric films are followed successively by ion storage, conductive membrane layer and alkaline electrochromic layer from top to bottom.
The alkalinity electrochromic device electrochromism response time provided by the utility model is short, within 0.30s, and alkali
Property electrochromic device be powered discoloration after colour stability it is good, the colour stable time is up to 500s or more.
Preferably, the alkaline electrochromic layer with a thickness of 2-1000 μm, such as 10 μm, 50 μm, 100 μm, 200 μm,
500 μm, 800 μm etc..
The utility model makes alkaline electrochromic device by adjusting alkaline electrochromic layer with a thickness of 2-1000 μm
The electrochromism response time is shorter, within 0.25s, and the colour stability after alkaline electrochromic device energization discoloration
Good, the colour stable time is up to 520s or more.
The alkalinity electrochromic layer is can be in energization in alkalinity and the high polymer layer of display color.
In energization, it is anti-that reduction (or oxidation) occurs alkalinity electrochromic layer described in the utility model for certain substance therein
It answers, after capturing proton, which is shown as alkalinity；Other predetermined substances lose proton, and color change occurs, and it is electroluminescent to reach alkalinity
The purpose of discoloration, because of referred to herein as alkaline electro mutagens chromatograph.
Alkalinity electrochromic layer described in the utility model arbitrarily may be implemented for what those skilled in the art can obtain
In energization in alkalinity and the electrochromic layer of display color；Illustratively, " the electroluminescent acid/base of Zhang Yumo it is theoretical and its
Application [D] Jilin University in organic electrochromic material, mention in 2015. " by benzoquinones/fluorescein (0.5mM/
0.05mM), TBAPF6(0.1M), the film layer of PC70% and PMMA30% composition.
Preferably, the alkaline electrochromic layer is alkaline electrochromism polymethyl methacrylate film layer.
Preferably, the conductive membrane layer is polymethyl methacrylate conductive membrane layer.
Polymethyl methacrylate conductive film described in the utility model is any can to find in the prior art
Polymethyl methacrylate conductive film, such as " the electroluminescent acid/base of Zhang Yumo is theoretical and its in organic electrochromic material
Using [D] Jilin University, the conductive film being made of ionic liquid 40% and PMMA60% mentioned in 2015. ".
Preferably, the conductive membrane layer with a thickness of 1-1000 μm, such as 10 μm, 50 μm, 100 μm, 200 μm, 500 μ
M, 800 μm etc..
Preferably, the ion storage is to electrode conductive film layer.
Described in the utility model can be to electrode conductive film layer can be found in the prior art, for example, find by
The ion storage of ionic liquid 40%, PMMA60% and benzoquinones (0.010M) composition.
Preferably, the ion storage with a thickness of 0.5-1000 μm, such as 1 μm, 10 μm, 50 μm, 100 μm, 200 μ
M, 500 μm, 800 μm etc..
Preferably, the electrically-conductive backing plate is FTO electro-conductive glass.
In the present invention, for ITO electro-conductive glass is as electrically-conductive backing plate, the conduct of FTO electro-conductive glass is selected
Electrically-conductive backing plate can increase the light transmittance of device and more resistant to high temperature.
The utility model is by adjusting ion storage, the thickness range of conductive membrane layer and alkaline electrochromic layer, and three
Layer film layer cooperates, and so that electrochromic device is had the shorter response time, and colour stability is good.
Compared with the existing technology, the utility model has the following beneficial effects:
(1) the alkaline electrochromic device electrochromism response time provided by the utility model is short, within 0.30s, and
And the colour stability after alkaline electrochromic device energization discoloration is good, the colour stable time is up to 500s or more；
(2) the utility model makes alkaline electrochromic device by adjusting alkaline electrochromic layer with a thickness of 2-1000 μm
The electrochromism response time it is shorter, within 0.25s, and alkaline electrochromic device is powered the colour stability after discoloration
Good, the colour stable time is up to 520s or more.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of alkaline electrochromic device provided by the embodiment of the utility model.
Wherein, 1- electrochomeric films；101- ion storage；102- conductive membrane layer；103- alkalinity electrochromic layer；
2- electrically-conductive backing plate.
Specific embodiment
The technical solution of the utility model is further illustrated below by specific embodiment.Those skilled in the art answer
This is illustrated, and the embodiment, which is only to aid in, understands the utility model, is not construed as the concrete restriction to the utility model.
Embodiment 1
Fig. 1 is the structural schematic diagram of alkaline electrochromic device provided in this embodiment, by electrochomeric films 1, is located at
Electrically-conductive backing plate 2, power supply and the source line group of electrochomeric films two sides at；
Electrochomeric films 1 are followed successively by ion storage 101, conductive membrane layer 102, alkaline electrochromic layer from top to bottom
103；
Wherein, alkaline electrochromic layer 103 is the alkaline electrochromism polymethyl methacrylate film with a thickness of 20 μm
Layer；
Conductive membrane layer 102 is the polymethyl methacrylate conductive membrane layer with a thickness of 150 μm；
Ion storage 101 is with a thickness of 20 μm to electrode conductive film layer.
Electrically-conductive backing plate 2 is FTO electro-conductive glass.
Embodiment 2
It is provided in this embodiment alkalinity electrochromic device by electrochomeric films 1, positioned at electrochomeric films two sides
Electrically-conductive backing plate 2, power supply and source line group at；
Electrochomeric films 1 are followed successively by ion storage 101, conductive membrane layer 102, alkaline electrochromic layer from top to bottom
103；
Wherein, alkaline electrochromic layer 103 is thin with a thickness of 1000 μm of alkaline electrochromism polymethyl methacrylate
Film layer；
Conductive membrane layer 102 is the polymethyl methacrylate conductive membrane layer with a thickness of 300 μm；
Ion storage 101 is with a thickness of 100 μm to electrode conductive film layer.
Electrically-conductive backing plate 2 is FTO electro-conductive glass.
Embodiment 3
It is provided in this embodiment alkalinity electrochromic device by electrochomeric films 1, positioned at electrochomeric films two sides
Electrically-conductive backing plate 2, power supply and source line group at；
Electrochomeric films 1 are followed successively by ion storage 101, conductive membrane layer 102, alkaline electrochromic layer from top to bottom
103；
Wherein, alkaline electrochromic layer 103 is the alkaline electrochromism polymethyl methacrylate film with a thickness of 500 μm
Layer；
Conductive membrane layer 102 is the polymethyl methacrylate conductive membrane layer with a thickness of 1000 μm；
Ion storage 101 is with a thickness of 1000 μm to electrode conductive film layer.
Electrically-conductive backing plate 2 is FTO electro-conductive glass.
Embodiment 4
It is provided in this embodiment alkalinity electrochromic device by electrochomeric films 1, positioned at electrochomeric films two sides
Electrically-conductive backing plate 2, power supply and source line group at；
Electrochomeric films 1 are followed successively by ion storage 101, conductive membrane layer 102, alkaline electrochromic layer from top to bottom
103；
Wherein, alkaline electrochromic layer 103 is the alkaline electrochromism polymethyl methacrylate film with a thickness of 2 μm
Layer；
Conductive membrane layer 102 is the polymethyl methacrylate conductive membrane layer with a thickness of 1 μm；
Ion storage 101 is with a thickness of 1 μm to electrode conductive film layer.
Electrically-conductive backing plate 2 is FTO electro-conductive glass.
Embodiment 5
It is provided in this embodiment alkalinity electrochromic device by electrochomeric films 1, positioned at electrochomeric films two sides
Electrically-conductive backing plate 2, power supply and source line group at；
Electrochomeric films 1 are followed successively by ion storage 101, conductive membrane layer 102, alkaline electrochromic layer from top to bottom
103；
Wherein, alkaline electrochromic layer 103 is the alkaline electrochromism polymethyl methacrylate film with a thickness of 5 μm
Layer；
Conductive membrane layer 102 is the polymethyl methacrylate conductive membrane layer with a thickness of 1 μm；
Ion storage 101 is with a thickness of 0.5 μm to electrode conductive film layer.
Electrically-conductive backing plate 2 is FTO electro-conductive glass.
Embodiment 6-7
Difference with embodiment 4 is only that, the present embodiment neutral and alkali electrochromic layer 103 with a thickness of 0.5 μm of (embodiment
6)；
Difference with embodiment 2 is only that the present embodiment neutral and alkali electrochromic layer 103 (is implemented with a thickness of 1100 μm
Example 7)；
Performance test
The embodiment 1-7 alkaline electrochromic device provided is tested for the property:
(1) to alkaline electrochromic device application -1.5V voltage, record is applied the alive time when having color change, is remembered
Record the results are shown in Table 1；
(2) test method being used in conjunction using uv-vis spectra and electrochemistry: to alkaline electrochromic device application -1.5V
Voltage is measured when its absorbance value changes a lot using UV, visible light spectrophotometer and applies the alive time, and recorded
As a result, being shown in Table 2；
Table 1
| Sample | Apply voltage time (ms) | The color duration (s) |
| Embodiment 1 | 100 | 600 |
| Embodiment 2 | 250 | 1200 |
| Embodiment 3 | 220 | 1100 |
| Embodiment 4 | 80 | 550 |
| Embodiment 5 | 85 | 520 |
| Embodiment 6 | 70 | 500 |
| Embodiment 7 | 300 | 1100 |
By embodiment it is found that the electrochromism response time of alkalinity electrochromic device provided by the utility model is short, apply
Electrochromism can occur after making alive within 0.30s, and the colour stable time, up to 500s or more, the utility model is logical
Cross adjustment alkaline electro mutagens chromatograph keeps the electrochromism response time of alkaline electrochromic device shorter with a thickness of 2-1000 μm,
Within 0.25s, and the colour stability after alkaline electrochromic device energization discoloration is good, and the colour stable time is up to 520s
More than.
Table 2
| Sample | Apply voltage time (ms) | The absorbance retention time (s) |
| Embodiment 1 | 50 | 400 |
| Embodiment 2 | 100 | 800 |
| Embodiment 3 | 80 | 750 |
| Embodiment 4 | 40 | 400 |
| Embodiment 5 | 45 | 380 |
| Embodiment 6 | 35 | 350 |
| Embodiment 7 | 120 | 700 |
Table 2 is the time of voltage applied when detecting absorbance change by ultraviolet-uisible spectrophotometer and extinction
Spend the retention time.By embodiment it is found that it is provided by the utility model alkalinity electrochromic device absorbance change the used time compared with
It is short, the variation of absorbance can occur within 120ms after applying voltage, and the absorbance retention time is long, up to 350s with
On；By the comparison of embodiment 1-5 and 6-7 it is found that the utility model by adjusting alkaline electrochromic layer with a thickness of 2-1000 μm
Keep the transformation period of the absorbance of electrochromic device shorter, within 100ms, and the absorbance retention time is long, reachable
380s or more.
The Applicant declares that the utility model illustrates the alkaline electrochromism device of the utility model through the foregoing embodiment
Part, but the utility model is not limited to above-described embodiment, that is, does not mean that the utility model must rely on above-mentioned processing step
It could implement.It should be clear to those skilled in the art, any improvement to the utility model, to the utility model institute
Equivalence replacement and addition, the selection of concrete mode of auxiliary element etc. for selecting raw material, all fall within the protection model of the utility model
Enclose within the open scope.
Claims (4)
1. a kind of alkalinity electrochromic device, which is characterized in that the alkalinity electrochromic device includes electrochomeric films, two
Layer electrically-conductive backing plate, power supply line and power supply；
Wherein, one layer of electrically-conductive backing plate fits in the side of the electrochomeric films, and another layer of electrically-conductive backing plate fits in the electricity
The other side of optically variable films is caused, power supply line connects electrically-conductive backing plate and power supply；
The electrochomeric films are followed successively by ion storage, conductive membrane layer and alkaline electrochromic layer from top to bottom；
It is described alkalinity electrochromic layer with a thickness of 2-1000 μm；
The conductive membrane layer with a thickness of 1-1000 μm；
The ion storage with a thickness of 0.5-1000 μm.
2. alkalinity electrochromic device according to claim 1, which is characterized in that the conductive membrane layer is poly- methyl-prop
E pioic acid methyl ester conductive membrane layer.
3. alkalinity electrochromic device according to claim 1, which is characterized in that the ion storage is to lead to electrode
Thin film layer.
4. alkalinity electrochromic device according to claim 1, which is characterized in that the electrically-conductive backing plate is FTO conduction glass
Glass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820987816.1U CN208737172U (en) | 2018-06-25 | 2018-06-25 | A kind of alkalinity electrochromic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820987816.1U CN208737172U (en) | 2018-06-25 | 2018-06-25 | A kind of alkalinity electrochromic device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208737172U true CN208737172U (en) | 2019-04-12 |
Family
ID=66026132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820987816.1U Active CN208737172U (en) | 2018-06-25 | 2018-06-25 | A kind of alkalinity electrochromic device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208737172U (en) |
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2018
- 2018-06-25 CN CN201820987816.1U patent/CN208737172U/en active Active
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