CN216728013U - Perovskite film coating equipment - Google Patents
Perovskite film coating equipment Download PDFInfo
- Publication number
- CN216728013U CN216728013U CN202220015684.2U CN202220015684U CN216728013U CN 216728013 U CN216728013 U CN 216728013U CN 202220015684 U CN202220015684 U CN 202220015684U CN 216728013 U CN216728013 U CN 216728013U
- Authority
- CN
- China
- Prior art keywords
- perovskite
- substrate
- perovskite solution
- meniscus
- transmission belt
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 238000009501 film coating Methods 0.000 title claims abstract description 12
- 239000007888 film coating Substances 0.000 title claims abstract description 4
- 230000005499 meniscus Effects 0.000 claims abstract description 27
- 238000000576 coating method Methods 0.000 claims abstract description 23
- 239000000758 substrate Substances 0.000 claims abstract description 22
- 239000011248 coating agent Substances 0.000 claims abstract description 21
- 230000005540 biological transmission Effects 0.000 claims abstract description 16
- 230000007246 mechanism Effects 0.000 claims abstract description 8
- 239000010409 thin film Substances 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 abstract description 3
- 238000010008 shearing Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 10
- 239000010408 film Substances 0.000 description 7
- 241001272720 Medialuna californiensis Species 0.000 description 3
- 238000007664 blowing Methods 0.000 description 3
- 230000031700 light absorption Effects 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000012296 anti-solvent Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
Images
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/549—Organic PV cells
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- Application Of Or Painting With Fluid Materials (AREA)
- Photovoltaic Devices (AREA)
Abstract
The utility model discloses perovskite film coating equipment, which comprises a transmission belt, a substrate, a coating device, an air outlet port, a perovskite solution and a warm box channel, wherein the substrate is arranged on the upper surface of the transmission belt, two ends of the transmission belt are connected with transmission mechanisms, the substrate on the upper surface of the transmission belt is driven to linearly move by the transmission mechanisms, one end of the bottom of the coating device is connected with a front meniscus, the other end of the bottom of the coating device is connected with a rear meniscus, the coating device coats the perovskite solution on the surface of the substrate, the front meniscus spreads the perovskite solution, the rear meniscus generates a certain shearing force, the perovskite solution and the substrate have a certain bonding force, the perovskite solution is prevented from overflowing from the rear meniscus, and the height of the front meniscus and the substrate determines the thickness of a perovskite solution film, the utility model can realize large-area perovskite solution coating, meanwhile, the thickness of the perovskite solution is controllable, and the consistency of film formation can be guaranteed.
Description
Technical Field
The utility model relates to the technical field of solar cells, in particular to perovskite thin film coating equipment.
Background
In recent years, perovskite solar cells have attracted much attention, and methods and apparatuses for producing perovskite thin films are now diversified. The perovskite light absorption layer is used as a core film layer of the perovskite solar cell, and the preparation process of the perovskite light absorption layer has decisive influence on the perovskite light absorption layer so as to determine the performance of the perovskite solar cell.
CN207103057U discloses a perovskite thin film coating apparatus, which is designed with various embodiments, such as an anti-solvent method, an air blowing method or a high temperature method, but for the above three schemes, the photoelectric conversion efficiency of the air blowing method and the high temperature method is higher than that of the anti-solvent method, while the air blowing method or the high temperature method used in the disclosed perovskite thin film coating apparatus has certain defects, such as: 1. the air outlet must be the slope design, and the air outlet has 20 contained angles with the substrate, makes wind-force can not lead to the fact the influence to the perovskite solution on the substrate, 2, because the hot-air is for walking upwards in the high temperature method, therefore the substrate upper end sets up infrared heater and is not significant, if will infrared heater replace the hot box passageway effect better.
SUMMERY OF THE UTILITY MODEL
It is an object of the present invention to provide a perovskite thin film coating apparatus that improves upon the problems set forth above.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model comprises a transmission belt, a substrate, a coating device, an air outlet port, a perovskite solution and a warm box channel, wherein the substrate is arranged on the upper surface of the transmission belt, two ends of the transmission belt are connected with transmission mechanisms, the transmission mechanisms drive the substrate on the upper surface of the transmission belt to linearly move, one end of the bottom of the coating device is connected with a front meniscus, the other end of the bottom of the coating device is connected with a rear meniscus, the coating device coats the perovskite solution on the surface of the substrate, the front meniscus expands the perovskite solution, the rear meniscus generates a certain shearing force, the perovskite solution and the substrate have a certain adhesive force, the perovskite solution is prevented from overflowing from the rear meniscus, the thickness of the formed film of the perovskite solution is determined by the height of the front meniscus and the height of the substrate, the utility model can realize large-area coating of the perovskite solution by utilizing the meniscus, and has controllability on the thickness of the perovskite solution, the consistency of film formation can be guaranteed.
Preferably, the air outlet port is designed to be inclined, and an included angle of 20 degrees exists between the air outlet port and the perovskite solution.
Preferably, the incubator channel is composed of a temperature controller, a heating plate and a sensor.
Compared with the prior art, the utility model has the beneficial effects that: the utility model can realize large-area perovskite solution coating by utilizing the meniscus, has controllability on the thickness of the perovskite solution and can ensure the consistency of film forming.
Drawings
FIG. 1 is a schematic view of a first embodiment of the perovskite thin film coating apparatus of the present invention.
FIG. 2 is a schematic view of a perovskite thin film coating apparatus according to a second embodiment of the present invention.
In the figure: 1-transmission belt, 2-substrate, 3-coating device, 4-air outlet port, 5-front meniscus, 6-rear meniscus, 7-perovskite solution and 8-incubator channel.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution: including drive belt 1, base plate 2, coating device 3, air-out port 4 and perovskite solution 7, 1 upper surface of drive belt is provided with base plate 2, 1 both ends of drive belt are connected with drive mechanism, 3 bottom one end of coating device is connected with preceding meniscus 5, and the other end is connected with back meniscus 6.
The air outlet port 4 is designed to be inclined, and an included angle of 20 degrees exists between the air outlet port 4 and the perovskite solution 7.
Furthermore, during the coating process, the front meniscus 5 can uniformly spread the perovskite solution 7 on the surface of the substrate 2, the height of the front meniscus 5 and the height of the substrate 2 are set to determine the thickness of the formed film of the perovskite solution 7, the rear meniscus 6 generates a certain shearing force, and the perovskite solution 7 has a certain adhesive force with the substrate 2, so that the perovskite solution 7 is prevented from overflowing from the rear meniscus 6.
Furthermore, the inclined design of the air outlet port 4 enables the wind direction to have an included angle of 20 degrees, and the wind direction is obliquely blown to the perovskite solution 7, so that the perovskite solution 7 can be prevented from being blown away, and the consistency of film forming is prevented from being influenced.
Referring to fig. 2, the present invention provides a technical solution: including drive belt 1, base plate 2, coating unit 3, perovskite solution 7 and incubator passageway 8, 1 upper surface of drive belt is provided with base plate 2, 1 both ends of drive belt are connected with drive mechanism, 3 bottom one end of coating unit is connected with preceding meniscus 5, and the other end is connected with back meniscus 6.
The incubator channel 8 is composed of a temperature controller, a heating sheet and a sensor.
Furthermore, incubator passageway 8 will wrap up partial drive belt 1, therefore when drive mechanism drives drive belt 1 rectilinear movement, base plate 2 also will move immediately, and the perovskite solution 7 of base plate 2 upper surface also will pass through incubator passageway 8, utilizes the inside high temperature that forms of incubator passageway 8 to perovskite solution 7 rapid drying in order to avoid the formation of mesophase, more can guarantee the uniformity of filming.
Further, the incubator channel 8 needs to be preheated when in use, and the preheating temperature is generally 150 degrees.
The working principle is as follows: in the coating process, the front half-moon 5 and the rear half-moon 6 are matched to uniformly coat the perovskite solution 7 flowing out of the coating device 3 on the surface of the substrate 2, and the front half-moon 5 influences the thickness of the perovskite solution 7, and the substrate 2 uniformly passes through the air outlet 4 or the incubator channel 8 along with the linear movement of the transmission belt 1 to be dried, so that the film is formed.
The meniscus allows efficient coating of large areas.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (3)
1. The utility model provides a perovskite film coating equipment, includes drive belt (1), base plate (2), coating unit (3), air-out port (4), perovskite solution (7) and incubator passageway (8), its characterized in that: the upper surface of the transmission belt (1) is provided with a substrate (2), two ends of the transmission belt (1) are connected with a transmission mechanism, one end of the bottom of the coating device (3) is connected with a front meniscus (5), and the other end of the bottom of the coating device is connected with a rear meniscus (6).
2. The perovskite thin film coating apparatus as claimed in claim 1, wherein: the air outlet port (4) is designed to be inclined, and an included angle of 20 degrees exists between the air outlet port (4) and the perovskite solution (7).
3. The perovskite thin film coating apparatus as claimed in claim 1, wherein: the incubator channel (8) is composed of a temperature controller, a heating sheet and a sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220015684.2U CN216728013U (en) | 2022-01-06 | 2022-01-06 | Perovskite film coating equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220015684.2U CN216728013U (en) | 2022-01-06 | 2022-01-06 | Perovskite film coating equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216728013U true CN216728013U (en) | 2022-06-14 |
Family
ID=81911399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220015684.2U Expired - Fee Related CN216728013U (en) | 2022-01-06 | 2022-01-06 | Perovskite film coating equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216728013U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116056540A (en) * | 2023-03-24 | 2023-05-02 | 泉州师范学院 | Device and method for preparing large-area perovskite film with assistance of hot air |
-
2022
- 2022-01-06 CN CN202220015684.2U patent/CN216728013U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116056540A (en) * | 2023-03-24 | 2023-05-02 | 泉州师范学院 | Device and method for preparing large-area perovskite film with assistance of hot air |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220614 |
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| CF01 | Termination of patent right due to non-payment of annual fee |