CN210628348U - Perovskite film preparation facilities - Google Patents
Perovskite film preparation facilities Download PDFInfo
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- CN210628348U CN210628348U CN201922236271.8U CN201922236271U CN210628348U CN 210628348 U CN210628348 U CN 210628348U CN 201922236271 U CN201922236271 U CN 201922236271U CN 210628348 U CN210628348 U CN 210628348U
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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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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
The utility model belongs to the technical field of solar cell production technique and specifically relates to a perovskite film preparation facilities, film adjusting device including the perovskite, anti-solvent films adjusting device and substrate transmission mechanism, the perovskite films adjusting device and anti-solvent and films adjusting device and all locate substrate transmission mechanism top, the perovskite films adjusting device and includes first regulation car, first flow control valve and perovskite film component, and the perovskite film component liftable locate on the first regulation car and through first flow control valve control flow, anti-solvent films adjusting device and includes second regulation car, second flow control valve and anti-solvent film component, and anti-solvent film component liftable locate on the second regulation car and through second flow control valve control flow. The utility model discloses directly adopt the method of anti-solvent aftertreatment to prepare perovskite film after wet membrane blade coating, can realize preparing the perovskite film of large tracts of land, even no pinhole at low temperature.
Description
Technical Field
The utility model belongs to the technical field of solar cell preparation and specifically relates to a perovskite film preparation facilities.
Background
In recent years, perovskite batteries have attracted great attention due to the advantages of low preparation cost, high efficiency, adjustable band gap, high absorption coefficient and the like, and the photoelectric conversion efficiency is improved from 3.8% to 23.7% in a short few years. The perovskite battery becomes a research hotspot in the field of photovoltaic devices, and meanwhile, many companies are attracted to realize the industrialization of the perovskite battery.
The perovskite battery at present has the problems of poor stability, large-area preparation technology and the like. In the prior art, a spin coating method is generally adopted in a laboratory high-efficiency preparation technology, but the method cannot meet the requirement of industrialization. In order to further improve the efficiency of industrialization and reduce the cost, a number of large-area manufacturing techniques have been proposed, and blade coating and slit coating methods have received much attention. The conventional methods for preparing perovskites by blade coating and slit coating include two ways: the high-temperature hot table preparation method and the nitrogen blowing auxiliary film forming preparation method have the advantages of high integration and suitability for the requirement of a production line, but the high-temperature hot table method has limitation on the production of flexible substrates, the preparation temperature is usually over 140 ℃, cheap low-melting-point polymers such as PET (polyethylene terephthalate) cannot be used, the nitrogen blowing auxiliary film forming method conforms to the low-temperature preparation, and the difficulty in realizing production in a glove box is higher due to continuous blowing.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a perovskite film preparation facilities directly adopts the method of antisolvent aftertreatment to prepare the perovskite film after wet membrane knife coating, need not high temperature hot platform, also need not nitrogen gas supplementary alright with ensureing the perovskite film preparation at low temperature, only needs subsequent annealing, can realize preparing the perovskite film of large tracts of land, even no pinhole at low temperature.
The purpose of the utility model is realized through the following technical scheme:
the utility model provides a perovskite film preparation facilities, includes that the perovskite coats adjusting device, antisolvent and coats adjusting device and substrate transmission mechanism, the perovskite coats adjusting device and antisolvent and coats adjusting device and all locate substrate transmission mechanism top, the perovskite coats adjusting device and includes that first accent car, first flow control valve and perovskite coat the component, and the perovskite coats the component and locate with liftable on the first accent car and pass through first flow control valve control flow, antisolvent coats adjusting device and includes that second accent car, second flow control valve and antisolvent coat the component, and antisolvent coat the component and locate on the second accent car and pass through liftable the second flow control valve control flow, first accent car and second accent car all are along the rail mounted.
The first motor is arranged in the first adjusting trolley, the second motor is arranged in the second adjusting trolley, gears are arranged on output shafts of the first motor and the second motor, racks are arranged on the side wall of the track, and the gears are meshed with the racks.
The first adjusting vehicle is internally provided with a first lifting device, the perovskite film coating element is driven to lift through the first lifting device, the second adjusting vehicle is internally provided with a second lifting device, and the anti-solvent film coating element is driven to lift through the second lifting device.
The perovskite coating element is connected with a perovskite liquid storage tank through a first pipeline, the first flow control valve is arranged on the first pipeline, the anti-solvent coating element is connected with the anti-solvent storage tank through a second pipeline, and the second flow control valve is arranged on the second pipeline.
The substrate is coated with a layer of perovskite wet film through a perovskite coating element, and the substrate is coated with an anti-solvent coating element when the perovskite wet film is not dry.
The utility model discloses an advantage does with positive effect:
1. the utility model discloses directly adopt the method of anti-solvent aftertreatment to prepare perovskite film after the wet membrane knife coating of perovskite, need not high temperature hot platform, also need not nitrogen gas supplementary alright with ensureing that perovskite film prepares at low temperature, only needs subsequent annealing, can realize preparing the perovskite film of large tracts of land, even no pinhole at low temperature.
2. The utility model discloses a need guarantee to coat the wet membrane of antisolvent before the wet membrane of perovskite is not dry, consequently need the accurate adjustment perovskite to coat the membrane component and antisolvent and coat component position and coating speed, the utility model discloses a first elevating gear among the adjustment device is coated to the perovskite adjusts the distance between perovskite membrane component and the substrate, through the antisolvent coat the distance between second elevating gear among the adjustment device and adjust antisolvent membrane component and the rigid substrate, and through the first adjusting vehicle among the control perovskite membrane adjustment device and the second adjusting vehicle among the adjustment device is coated to the antisolvent remove the distance between adjustment perovskite membrane component and the antisolvent membrane component, then coat the flow through first flow control valve control perovskite, through the antisolvent membrane flow of second flow control valve control, thereby realize the purpose of coating antisolvent at the optimum time node, the film forming quality is improved.
3. The utility model discloses a gear rack subassembly transmits the motor torque of each adjusting car, gear rack subassembly can guarantee the accurate control and adjust car shift position, and then realizes that the perovskite films the accurate adjustment that component and antisolvent film the component distance.
4. The utility model discloses both can be applicable to the rigidity substrate, also can be applicable to the flexible substrate, do benefit to popularization and application.
Drawings
FIG. 1 is a schematic view of an antisolvent coating film adjuster and a perovskite coating film adjuster according to the present invention,
FIG. 2 is a schematic view of the present invention showing the preparation of a rigid substrate coated with a film,
fig. 3 is a schematic diagram of the preparation of the flexible substrate during film coating according to the present invention.
The device comprises a perovskite coating element 1, a first adjusting vehicle 101, a first motor 102, a first lifting device 103, a first pipeline 104, a first flow control valve 105, an anti-solvent coating element 2, a second adjusting vehicle 201, a second motor 202, a second lifting device 203, a second pipeline 204, a second flow control valve 205, an anti-solvent wet film 3, a perovskite wet film 4, a rigid substrate 5, an annealed perovskite film 6, a flexible substrate 7, a heating table 8, a track 9, a feeding reel 10, a steering reel 11 and a receiving reel 12.
Detailed Description
As shown in fig. 1-3, the utility model discloses a perovskite is filmed adjusting device, antisolvent and is filmed adjusting device and substrate transmission mechanism, and the perovskite is filmed adjusting device and antisolvent and is filmed adjusting device and all locate substrate transmission mechanism top, the perovskite is filmed adjusting device and is included first adjusting vehicle 101, first flow control valve 105 and perovskite and is filmed component 1, and the perovskite is filmed component 1 and is located with liftable on the first adjusting vehicle 101 and pass through first flow control valve 105 flow control, antisolvent is filmed adjusting device and is included second adjusting vehicle 201, second flow control valve 205 and antisolvent and is filmed component 2, and antisolvent is filmed component 2 and is located on the second adjusting vehicle 201 with liftable and pass through second flow control valve 205 flow control, first adjusting vehicle 101 and second adjusting vehicle 201 all walk along track 9. The perovskite coating element 1 and the antisolvent coating element 2 may be a doctor blade or a coater head, which are well known in the art, and the first flow control valve 105 and the second flow control valve 205 are well known in the art and are commercially available products.
As shown in fig. 1, a first motor 102 is arranged in the first adjusting vehicle 101, a second motor 202 is arranged in the second adjusting vehicle 201, gears are arranged on output shafts of the first motor 102 and the second motor 202, racks are arranged on the side wall of the track 9, and the gears are engaged with the racks. When the first motor 102 and the second motor 202 are started, the corresponding gears are driven to rotate respectively, and then the vehicle body is driven to move.
As shown in fig. 1, a first lifting device 103 is arranged in the first vehicle 101, the perovskite coating element 1 is driven to lift by the first lifting device 103, a second lifting device 203 is arranged in the second vehicle 201, and the anti-solvent coating element 2 is driven to lift by the second lifting device 203. In this embodiment, the first lifting device 103 and the second lifting device 203 are both air cylinders.
As shown in fig. 1, the perovskite coating element 1 is connected to a perovskite liquid storage tank through a first pipe 104, the first flow control valve 105 is provided on the first pipe 104, the antisolvent coating element 2 is connected to an antisolvent storage tank through a second pipe 204, and the second flow control valve 205 is provided on the second pipe 204. In this embodiment, the first pipeline 104 and the second pipeline 204 are flexible pipes, which can move with the vehicle, and do not affect the adjustment of the vehicle.
The utility model discloses can be to different substrates to the substrate transmission device who is used for transmitting different substrates is different.
Example 1
In this embodiment, for the rigid substrate 5, the substrate conveying mechanism in this embodiment may adopt a conventional conveying belt conveying mechanism, which includes a conveying belt and conveying rollers disposed at two ends of the conveying belt, and any conveying roller is driven by a motor to rotate, so as to drive the conveying belt to move, and the rigid substrate 5 is placed on the conveying belt.
The specific preparation process of this example is as follows:
firstly, preparing a substrate, wherein the rigid substrate 5 can be transparent conductive glass or a metal plate, cleaning the prepared rigid substrate 5 by a standard process, the cleaning process can be ethanol, isopropanol and the like, large-area preparation can be performed by neutral cleaning liquid, the cleanliness of the rigid substrate 5 is ensured, the cleaning process is a known technology in the field, then preparing functional layers such as an electrode layer and the like on the rigid substrate 5, depositing a metal electrode or a metal oxide can be completed by processes such as sputtering, thermal evaporation and the like, the known technology in the field is used, and then inputting the prepared rigid substrate 5 into the perovskite film preparation device.
As shown in fig. 2, the rigid substrate 5 is transported by passing under the perovskite coating element 1 and coating a perovskite wet film 4, and then passing under the anti-solvent coating element 2 and coating an anti-solvent wet film 3 on the perovskite wet film 4.
The utility model discloses need coat one deck antisolvent wet film 3 before perovskite wet film 4 is not dry rapidly to form high-quality perovskite film, but antisolvent coating time node holds to be difficult point, consequently the utility model discloses it coats adjusting device and antisolvent and coats adjusting device and be used for confirming perovskite and coat component 1 and solvent and coat component 2 optimal position and best output flow, in order to improve filming quality to be equipped with the perovskite.
Wherein the first lifting device 103 in the perovskite film coating adjusting device is used for adjusting the distance between the perovskite film coating element 1 and the rigid substrate 5, the second lifting device 203 in the antisolvent film coating adjusting device is used for adjusting the distance between the antisolvent film coating element 2 and the rigid substrate 5, and the distance between the perovskite film coating element 1 and the antisolvent film coating element 2 is adjusted by controlling the movement of the first adjusting vehicle 101 in the perovskite film coating adjusting device and the movement of the second adjusting vehicle 201 in the antisolvent film coating adjusting device, moreover, the utility model adopts the gear rack assembly to transmit the motor torque of each adjusting vehicle, the gear rack assembly can ensure the accurate control of the moving position of the adjusting vehicle, thereby realizing the accurate adjustment of the distance between the perovskite film coating element 1 and the antisolvent film coating element 2, after the positions of the perovskite film coating element 1 and the antisolvent film coating element 2 are determined, the perovskite coating element 1 controls the perovskite coating flow rate through the first flow control valve 105, and the antisolvent coating element 2 controls the antisolvent coating flow rate through the second flow control valve 205.
The anti-solvent-coated perovskite film 4 needs to be rapidly removed from the anti-solvent and the solvent in order to promote crystallization and crystal growth of the perovskite thin film, so that the thin film prepared in this embodiment is sent to a heating stage 8 to evaporate the solvent, the heating stage 8 is controlled in heating temperature to keep the temperature constant, the heating stage 8 is a commercially available product and is known in the art, and the annealed perovskite film 6 is attached to the rigid substrate 5, as shown in fig. 2. The utility model discloses other modes can also be adopted and the solvent is realized volatilizing fast, let the solvent volatilize fast such as nitrogen sweep and vacuum method.
After the perovskite thin film is prepared, blade coating, vacuum method and the like can be adopted to prepare other functional layers of the battery, so that the battery is prepared.
Example 2
This embodiment is directed to a flexible substrate 7, and the substrate transport mechanism in this embodiment is based on a roll-to-roll apparatus. As shown in fig. 3, the substrate conveying mechanism in this embodiment includes an emptying reel 10, a turning roller 11 and a receiving reel 12, wherein the flexible substrate 7 is initially wound on the emptying reel 10, and the extended end of the flexible substrate 7 is wound on the receiving reel 12 after bypassing the turning roller 11, wherein the turning roller 11 also plays a role of tensioning the reel, so that the flexible substrate 7 between the emptying reel 10 and the turning roller 11 has a certain tension to keep straight, the perovskite coating adjusting device and the anti-solvent coating adjusting device are disposed above the flexible substrate 7 between the emptying reel 10 and the turning roller 11, the emptying reel 10 and the receiving reel 12 are driven to rotate by different motors, and in addition, the receiving reel 12 is provided with a heating system to achieve rapid solvent evaporation, in this embodiment, the heating system includes a heating layer disposed on the receiving reel 12, the heating system is provided with a temperature sensor to keep the heating temperature constant, and the heating system is a well-known technology in the field.
The specific preparation process of this example is as follows:
firstly, a flexible substrate 7 is prepared, the flexible substrate 7 is cleaned by a standard process and is subjected to pre-deposition of functional layers, then the prepared flexible substrate 7 is wound on a discharging winding drum 10, then the discharging winding drum 10 and a receiving winding drum 12 are started to realize the transmission of the flexible substrate 7, the coating process of the perovskite wet film 4 and the anti-solvent wet film 3 is the same as that of the embodiment 1, the embodiment also needs to ensure that the anti-solvent wet film 3 is coated before the perovskite wet film 4 is dried, and the adjustment process of the perovskite film coating element 1 and the anti-solvent film coating element 2 is the same as that of the embodiment 1. The perovskite film 4 coated with the anti-solvent needs to be rapidly stripped of the anti-solvent and the solvent so as to promote crystallization and crystal growth of the perovskite film, and in this embodiment, the material receiving roller 12 is provided with a heating system to achieve the purpose of rapid volatilization of the solvent.
Claims (5)
1. A perovskite thin film preparation facilities which characterized in that: comprises a perovskite coating adjusting device, an antisolvent coating adjusting device and a substrate conveying mechanism, wherein the perovskite coating adjusting device and the antisolvent coating adjusting device are both arranged above the substrate conveying mechanism, the perovskite coating adjusting device comprises a first adjusting vehicle (101), a first flow control valve (105) and a perovskite coating element (1), the perovskite coating element (1) is arranged at the lower side of the first adjusting vehicle (101) in a lifting way and controls the flow through the first flow control valve (105), the anti-solvent coating adjusting device comprises a second adjusting vehicle (201), a second flow control valve (205) and an anti-solvent coating element (2), the anti-solvent coating element (2) is arranged below the second regulating vehicle (201) in a lifting way and controls the flow through the second flow control valve (205), the first adjusting vehicle (101) and the second adjusting vehicle (201) both travel along the rail (9).
2. The perovskite thin film production apparatus as claimed in claim 1, wherein: be equipped with first motor (102) in first debugging car (101), be equipped with second motor (202) in second debugging car (201), all be equipped with the gear on the output shaft of first motor (102) and second motor (202) be equipped with the rack on track (9) lateral wall, just the gear all with rack toothing.
3. The perovskite thin film production apparatus as claimed in claim 1, wherein: be equipped with first elevating gear (103) in first adjusting car (101), the perovskite is filmed component (1) and is passed through first elevating gear (103) drive is gone up and down, be equipped with second elevating gear (203) in second adjusting car (201), the antisolvent is filmed component (2) and is passed through second elevating gear (203) drive is gone up and down.
4. The perovskite thin film production apparatus as claimed in claim 1, wherein: the perovskite coating element (1) is connected with a perovskite liquid storage tank through a first pipeline (104), the first flow control valve (105) is arranged on the first pipeline (104), the anti-solvent coating element (2) is connected with the anti-solvent storage tank through a second pipeline (204), and the second flow control valve (205) is arranged on the second pipeline (204).
5. The perovskite thin film production apparatus as claimed in claim 1, wherein: the substrate is coated with a layer of perovskite wet film through a perovskite coating element, and the substrate is coated with an anti-solvent coating element when the perovskite wet film is not dry.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922236271.8U CN210628348U (en) | 2019-12-13 | 2019-12-13 | Perovskite film preparation facilities |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922236271.8U CN210628348U (en) | 2019-12-13 | 2019-12-13 | Perovskite film preparation facilities |
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| Publication Number | Publication Date |
|---|---|
| CN210628348U true CN210628348U (en) | 2020-05-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922236271.8U Active CN210628348U (en) | 2019-12-13 | 2019-12-13 | Perovskite film preparation facilities |
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| CN (1) | CN210628348U (en) |
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- 2019-12-13 CN CN201922236271.8U patent/CN210628348U/en active Active
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Assignee: CHINA NATIONAL NUCLEAR POWER Co.,Ltd. Assignor: DALIAN INSTITUTE OF CHEMICAL PHYSICS, CHINESE ACADEMY OF SCIENCES Contract record no.: X2023210000071 Denomination of utility model: A device for preparing perovskite thin films Granted publication date: 20200526 License type: Exclusive License Record date: 20230808 |