CN109830609A - A kind of large area flexible perovskite solar battery and printing preparation method - Google Patents
A kind of large area flexible perovskite solar battery and printing preparation method Download PDFInfo
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- 238000007639 printing Methods 0.000 title claims abstract description 21
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- 230000005540 biological transmission Effects 0.000 claims abstract description 34
- 238000010438 heat treatment Methods 0.000 claims abstract description 29
- 238000001035 drying Methods 0.000 claims abstract description 20
- JTCFNJXQEFODHE-UHFFFAOYSA-N [Ca].[Ti] Chemical compound [Ca].[Ti] JTCFNJXQEFODHE-UHFFFAOYSA-N 0.000 claims abstract description 18
- 230000008569 process Effects 0.000 claims abstract description 17
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229920000144 PEDOT:PSS Polymers 0.000 claims abstract description 8
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- 238000003851 corona treatment Methods 0.000 claims description 8
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- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 7
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- 229910052709 silver Inorganic materials 0.000 claims description 7
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- 239000004642 Polyimide Substances 0.000 claims description 6
- MVPPADPHJFYWMZ-UHFFFAOYSA-N chlorobenzene Chemical compound ClC1=CC=CC=C1 MVPPADPHJFYWMZ-UHFFFAOYSA-N 0.000 claims description 6
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- 229910003472 fullerene Inorganic materials 0.000 claims description 5
- 229910052799 carbon Inorganic materials 0.000 claims description 4
- 239000002002 slurry Substances 0.000 claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
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- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
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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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Abstract
The invention belongs to technical field of solar batteries, disclose a kind of large area flexible perovskite solar battery and printing preparation method, handle flexible transparent electrode, prepare hole transmission layer, PEDOT:PSS and isopropanol are configured to solution according to volume ratio 1:3, on the surface of the substrate, pass through slit print process, PEDOT:PSS is printed onto flexible transparent electrode, is then thermally dried；It carries out preparing calcium titanium ore bed again, prepares electron transfer layer, prepares metal to electrode.The present invention develops high-temperature hot-air auxiliary law and prepares perovskite thin film and relevant device, can be realized the metastable temperature of coating head regional area, improves the stability and quality of film forming；The present invention develops method for continuous drying and relevant device of the air heating in conjunction with infrared heating, improves the utilization rate in space, saves the annealing time of perovskite thin film, improve quality of forming film.
Description
Technical field
The invention belongs to technical field of solar batteries more particularly to a kind of large area flexible perovskite solar battery and
Print preparation method.
Background technique
In recent years, perovskite solar battery achieves quick development, and photoelectric conversion efficiency efficiency alreadys exceed
23%.Due to the advantage high-efficient, at low cost, and being prepared by solwution method of perovskite solar battery, perovskite
Solar battery has very big industrialization potential.
Currently, the prior art commonly used in the trade is as follows:
Perovskite solar battery is prepared, usually there is a spin-coating method, knife coating, print process (slit printing, silk-screen printing), very
The methods of empty vapour deposition method.The performance of perovskite solar battery depends greatly on the quality of perovskite thin film.It utilizes
Spin-coating method preparation, perovskite thin film uniformly, continuously, but are only applicable to small area preparation, and the waste of raw material is more；Blade coating
Method and slit print process can be used for large area preparation, but obtained perovskite thin film is second-rate, and defect is more；Vacuum vapour deposition
The perovskite thin film of preparation is high-quality, but higher cost.
In conclusion problem of the existing technology is:
(1) common spin coating production method can lose big content of starting materials, and low efficiency improves cost, and prepared by spin-coating method
Perovskite solar cell device, effective area is generally only 0.1cm2Left and right, effective area is too small, utilizes spin coating legal system
When standby large area, film forming is uneven, and the poor quality of perovskite thin film, obtained solar battery efficiency is low or can not work
Make；These disadvantages of spin-coating method, are unfavorable for the industrialization of perovskite solar battery, may not apply to the extensive system of technical grade
It is standby.
(2) in existing technology, large area technology of preparing and roll-to-roll related process are closely developed.It is existing big
Area technology of preparing, such as CN106953015A prepare large area perovskite solar battery using vapour deposition method, although improving
The quality of film forming improves efficiency, but needs vacuum and heating to improve cost of manufacture when vapor deposition, is unfavorable for industry
Change.Benjia Dou (Dou, Whitaker et al.2018) is prepared for electron transfer layer and calcium using roll-to-roll technology print
Titanium ore layer, but subsequent hole transmission layer is prepared with spin-coating method, electrode is to be prepared with vapour deposition method, and subsequent hole passes
Defeated layer and electrode are carried out in small area, and this method, which is only printed, is prepared for part-structure, are not able to achieve the complete of large area
Printing.
(3) general roll-to-roll method prepares perovskite solar battery, the wetting of the substrate surface of hole mobile material
Property it is bad, it is difficult in substrate surface drawout, so that the hole transmission layer formed is second-rate；Since perovskite needs to anneal,
To achieve the purpose that evaporate solvent and crystal grain is promoted to grow up, when preparing calcium titanium ore bed with roll-to-roll method, the longer return of goods are needed
Time and higher annealing temperature, so that preparation process is comparatively laborious, and the quality to form a film is also unstable.
The difficulty to solve the above problems is, develops a kind of large area and prepares perovskite solar battery method and correlation
Equipment can either guarantee the performance of perovskite solar battery, meanwhile, cost is reduced again, is conducive to perovskite solar battery
Industrialization.
The meaning to solve the above problems is, develops a kind of large area and prepares perovskite solar battery method and correlation
Equipment can reduce preparation cost, improve the performance of battery, promote the industrialization of perovskite solar battery.
Summary of the invention
In view of the problems of the existing technology, the present invention provides a kind of large area flexible perovskite solar battery and prints
Brush preparation method.
The content of present invention is that a kind of large area flexible perovskite solar battery prints preparation method, the large area flexible
Perovskite solar battery print preparation method the following steps are included:
Step 1, processing flexible transparent electrode connect flexible transparent electrode using PEN/ITO as transparent flexible electrode
Continuous ultrasonic cleaning is added pure water and detergent, acetone, ethyl alcohol is added, pure water and cleaning is added in ultrasonic cleaner
The total amount that agent, acetone, ethyl alcohol are added is 10-25L, in three continuous ultrasonic cleaning equipments, each ultrasonic cleaning equipment
Itself corresponding pure water and detergent, acetone, ethyl alcohol is added.It is dry to be cleaned by ultrasonic laggard promoting the circulation of qi road；Electrode surface is carried out
Sided corona treatment, then be thermally dried.
Step 2 prepares hole transmission layer, PEDOT:PSS and isopropanol is configured to solution according to volume ratio 1:3, in base
On the surface of material, by slit print process, PEDOT:PSS is printed onto flexible transparent electrode, is then thermally dried；
Step 3 prepares calcium titanium ore bed, by CH3NH3I and PbI2It is configured to mixed solution by the molar ratio of 1:1, is passed through
After heating, stirring, filtering, on the hole transmission layer of substrate, by slit print process, perovskite is printed, is then heated
It is dry；
Step 4 prepares electron transfer layer；PCBM is dissolved in chlorobenzene, on the calcium titanium ore bed of substrate, passes through slit
Print process is printed one layer of PCBM, is then thermally dried；
Step 5 prepares metal to electrode, substrate is connected on the new route of screen printing apparatus, in the electronics of substrate
By silk-screen printing in transport layer, one layer of Ag is printed, then heat drying, obtain perovskite solar battery product.
Further, in step 1, the transmission speed for carrying out controlling volume in sided corona treatment to electrode surface is 0.2-10m/
Min, the temperature of drying box are 100 DEG C, unreel power 70N, winding force 80N.
Further, in step 2, control feeding speed is 0.2-2ml/min, and the transmission speed of volume is 0.2-10m/min,
Dry temperature is 95 DEG C.
Further, in step 3, control feeding speed is 0.18-2ml/min, and the transmission speed of volume is 0.2-10m/min,
Dry temperature is 100 DEG C.
Further, in step 4, control feeding speed is 0.2-10ml/min, and the transmission speed of volume is 0.4-10m/min,
Dry temperature is 80 DEG C.
Further, in step 5,400 mesh of mesh size, transmission ratio 20000 are controlled, the transmission speed of volume is 0.2-
10m/min, drying temperature be 100 DEG C.
Another object of the present invention is to provide a kind of large area flexible perovskite solar batteries, successively have from top to bottom
Silver layer (top electrode layer), fullerene derivate (PCBM) layer, calcium titanium ore bed, poly- (3,4- ethene dioxythiophene)-polystyrene sulphur
Acid layer, ITO substrate (ITO hearth electrode+flexible substrates).
Further, flexible substrates are polyethylene terephthalate (PET), polyimides (PI) and copper foil；Hearth electrode is
Ito transparent electrode, FTO transparent electrode；Top electrode may be replaced by carbon.
Further, the concentration of calcium titanium ore bed solution is 0.8-1.2mmol/mL, or by PbI2Partial replacement is BrI2, PCBM
Concentration be 15mg/mL, 20mg/mL.
Implement the large area flexible perovskite solar battery printing system another object of the present invention is to provide a kind of
The roll-to-roll print system of Preparation Method.
The motor-driven of the large area flexible perovskite solar battery is installed another object of the present invention is to provide a kind of
Vehicle and vista car.
In conclusion advantages of the present invention and good effect are as follows:
The present invention develops completely new method for treating surface of base and relevant device, has filled up large area and has prepared perovskite too
The blank of positive energy cell base surface treatment aspect；It specifically refers to clean continuous ultrasound and corona treatment system combines, it is real
The deep clean of existing substrate surface and the modification on surface.The ultrasonic cleaning tank series connection that three are customized, is added specific surface
Solvent is handled, controls the transmission speed of volume to control the ultrasonic clean time.Point discharge principle of the corona system based on surface,
Ozone is generated in air under high pressure and free radical shock surface increases the attachment degree and wellability on surface, reduces contact angle, favorably
In the diffusion of slurry with spread out, promote nearly film forming.
The present invention develops method for continuous drying and relevant device of the completely new air heating in conjunction with infrared heating, fills up
Blank on large area perovskite solar battery drying means；It specifically refers to heat air and combine with infrared heating pair
Material progress is continuous drying, saves the annealing time of perovskite thin film, improves quality of forming film.The principle of this method is: empty
Gas heating realizes the drying of film surface using thermal convection by the air in hot plate heated oven；Infrared heating utilizes infrared
Heat source transmits energy by way of radiation, promotes the strenuous vibration between atom and molecule, realizes the rapid heating of film, completes
Nucleus growth.
The present invention develops completely new the high-temperature hot-air auxiliary law for preparing perovskite thin film and relevant device, solves big face
Product prepares the problem of perovskite solar battery annealing aspect；It specifically refers to realize coating head using high-temperature hot-air as heat source
The metastable temperature of regional area, to improve the quality and stability of film forming.The principle of this method is: in the mistake of high temperature
Under the action of filtering compressed air or nitrogen, substrate surface solvent volatilizees rapidly, accelerates the formation of perovskite nucleus.
The present invention designs completely new roll-to-roll equipment, and three kinds of mode of printings are incorporated in roll-to-roll equipment, including
Slit printing, silk-screen printing, intaglio printing can be printed in the way of three kinds of different printings in an equipment, be improved
Production efficiency, such as Fig. 3.
It is also an advantage that
The present invention develops the roll-to-roll technique for preparing perovskite solar battery and relevant device, can pass through all print
Mode prepare large area flexible perovskite solar battery.
The present invention develops the surface treatment method and relevant device for adapting to the printing preparation of perovskite solar battery, can be with
It realizes the deep clean of substrate surface and the modification on surface, raw material is promoted to form the film of dense uniform in substrate surface.
The present invention develops high-temperature hot-air auxiliary law and prepares perovskite thin film and relevant device, can be realized coating head partial zones
The metastable temperature in domain improves the stability and quality of film forming.
The present invention develops method for continuous drying and relevant device of the air heating in conjunction with infrared heating, improves space
Utilization rate, save the annealing time of perovskite thin film, improve quality of forming film.Preparation process of the invention is simple, raw material
Utilization rate is high.
Technical effect of the invention is from figure 3, it can be seen that the efficiency of all print large area flexible device reaches
3.27%, the completely new roll-to-roll equipment designed is shown in Fig. 4.
Detailed description of the invention
Fig. 1 is large area flexible perovskite solar battery printing preparation method flow chart provided in an embodiment of the present invention.
Fig. 2 is the structural schematic diagram of flexible perovskite solar battery provided in an embodiment of the present invention.
In figure: 1, silver layer；2, fullerene derivate layer；3, calcium titanium ore bed；4, poly- (3,4- ethene dioxythiophene)-polyphenyl second
Alkene sulphonic layer；5, ITO substrate.
Fig. 3 is the J-V curve graph of flexible device provided in an embodiment of the present invention.
Fig. 4 is the overall pattern of roll-to-roll print system provided in an embodiment of the present invention.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to embodiments, to the present invention
It is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to
Limit the present invention.
In existing technology, large area technology of preparing and roll-to-roll related process are closely developed.Existing big face
Product technology of preparing, such as CN106953015A prepare large area perovskite solar battery using vapour deposition method, although improving into
The quality of film improves efficiency, but needs vacuum and heating to improve cost of manufacture when vapor deposition, is unfavorable for industrialization.
Benjia Dou (Dou, Whitaker et al.2018) is prepared for electron transfer layer and perovskite using roll-to-roll technology print
Layer, but subsequent hole transmission layer is prepared with spin-coating method, and electrode is prepared with vapour deposition method, and subsequent hole transmission layer
It with electrode is carried out in small area, this method, which is only printed, is prepared for part-structure, is not able to achieve all print of large area.
In order to solve the above technical problems, below with reference to concrete scheme, the present invention is described in detail.
As shown in Figure 1, large area flexible perovskite solar battery provided in an embodiment of the present invention prints preparation method packet
It includes:
S101 handles flexible transparent electrode, using PEN/ITO as transparent flexible electrode, flexible transparent electrode is carried out continuous
Ultrasonic cleaning is added pure water and detergent, acetone, ethyl alcohol is added, pure water and cleaning is added in ultrasonic cleaner
The total amount that agent, acetone, ethyl alcohol are added is 10-25L, in three continuous ultrasonic cleaning equipments, each ultrasonic cleaning equipment
Itself corresponding pure water and detergent, acetone, ethyl alcohol is added.It is dry to be cleaned by ultrasonic laggard promoting the circulation of qi road；Electrode surface is carried out
Sided corona treatment, then be thermally dried.
S102 prepares hole transmission layer, PEDOT:PSS and isopropanol is configured to solution according to volume ratio 1:3, in substrate
Surface on, by slit print process, PEDOT:PSS is printed onto flexible transparent electrode, is then thermally dried.
S103 prepares calcium titanium ore bed, by CH3NH3I and PbI2It is configured to mixed solution by the molar ratio of 1:1, by adding
After heat, stirring, filtering, on the hole transmission layer of substrate, by slit print process, perovskite is printed, it is dry then to carry out heating
It is dry.
S104 prepares electron transfer layer；PCBM is dissolved in chlorobenzene, on the calcium titanium ore bed of substrate, is printed by slit
Brush method is printed one layer of PCBM, is then thermally dried.
S105 prepares metal to electrode, substrate is connected on the new route of screen printing apparatus, passes in the electronics of substrate
By silk-screen printing on defeated layer, one layer of Ag is printed, then heat drying, obtain perovskite solar battery product.
In step S101, the transmission speed for carrying out controlling volume in sided corona treatment to electrode surface is 0.2-10m/min, is done
The temperature of dry case is 100 DEG C, unreels power 70N, winding force 80N.
In step S102, control feeding speed is 0.2-10ml/min, and the transmission speed of volume is 0.2-2m/min, dry
Temperature is 95 DEG C.
In step S103, control feeding speed is 0.18-2ml/min, and the transmission speed of volume is 0.2-10m/min, dry
Temperature be 100 DEG C.
In step S104, control feeding speed is 0.2-2ml/min, and the transmission speed of volume is 0.4-2m/min, dry
Temperature is 80 DEG C.
In step S105, control mesh size is 400 mesh, and transmission ratio 20000, the transmission speed of volume is 0.2-10m/
Min, drying temperature be 100 DEG C.
In the present invention, the structure such as Fig. 2 for the flexible perovskite solar battery that above-mentioned steps obtain.It repeats the above steps
Step S105 is changed to vapor deposition silver electrode by S101 to S104, and the J-V curve of obtained blade coating flexible device is detailed in attached drawing 3.
In the present invention, flexible and transparent substrate can also for polyethylene terephthalate (PET), polyimides (PI) and
Copper foil, hearth electrode may be replaced by ito transparent electrode, FTO transparent electrode, and top electrode may be replaced by C.
In the present invention, the concentration of perovskite solution can also be 0.8-1.2mmol/mL, can also be by PbI2It replaces part
It is changed to BrI2, the concentration of PCBM can also be 15mg/mL, 20mg/mL.
As shown in Fig. 2, it is provided in an embodiment of the present invention flexibility perovskite solar battery successively have from top to bottom silver layer 1,
Fullerene derivate layer 2, calcium titanium ore bed 3, poly- (3,4- ethene dioxythiophene)-polystyrolsulfon acid layer 4, ITO substrate 5.
Below with reference to effect, the invention will be further described.
The present invention develop substrate surface treatment method and relevant device, in particular to by continuous ultrasound cleaning and corona
Processing system combines, and realizes the deep clean of substrate surface and the modification on surface.The ultrasonic cleaning tank string that three are customized
Connection is added specific surface treatment solvent, controls the transmission speed of volume to control the ultrasonic clean time.Corona system is based on surface
Point discharge principle, attachment degree and infiltration that ozone and free radical shock surface increase surface are generated in air under high pressure
Property, reduce contact angle, be conducive to slurry diffusion and spread out, promote closely form a film.
The present invention develops method for continuous drying and relevant device, in particular to general of the air heating in conjunction with infrared heating
Air heating combined with infrared heating to material progress it is continuous drying, save the annealing time of perovskite thin film, improve
Quality of forming film.The principle of this method is: air heating realizes film table by the air in hot plate heated oven, using thermal convection
The drying in face；Infrared heating utilizes infrared heat source, and energy is transmitted by way of radiation, promotes the violent shake between atom and molecule
It is dynamic, it realizes the rapid heating of film, completes nucleus growth.
The present invention develops the high-temperature hot-air auxiliary law for preparing perovskite thin film and relevant device, in particular to by Gao Wenre
Wind realizes the metastable temperature of coating head regional area, to improve the quality and stability of film forming as heat source.This method
Principle be: under the action of the filtering compressed air of high temperature or nitrogen, substrate surface solvent volatilizees rapidly, accelerate perovskite
The formation of nucleus.
The present invention incorporates three kinds of mode of printings, including slit printing, silk-screen printing, intaglio process in roll-to-roll equipment
Brush, can be printed in the way of three kinds of different printings in an equipment, improve production efficiency, such as Fig. 4.
The invention will be further described combined with specific embodiments below.
Large area flexible perovskite solar battery provided in an embodiment of the present invention prints preparation method
Step 1 handles flexible transparent electrode, and flexible transparent electrode is carried out continuous ultrasound cleaning, it is dry then to carry out heating
It is dry, then sided corona treatment is carried out to flexible electrode surface.
Step 2 prepares hole transmission layer, and by slit print process, hole mobile material is printed onto flexible transparent electrode
On, then it is thermally dried.
Step 3 prepares calcium titanium ore bed, on the hole transmission layer of substrate, by slit print process, prints one layer of calcium titanium
Mine prepares perovskite thin film using high-temperature hot-air auxiliary law, is then thermally dried.
Step 4 prepares electron transfer layer；On the calcium titanium ore bed of substrate, by slit print process, one layer of electronics is printed
Then transmission material is thermally dried.
Step 5 prepares metal to electrode, on the electron transfer layer of substrate, by silk-screen printing, prints one layer of Ag, so
Heat drying afterwards.
Technical effect of the invention is from figure 3, it can be seen that the full efficiency for scratching flexible phase part reaches 8.95%, open circuit
Voltage VOCFor 0.83V, short circuit current JSCFor 17.4mAcm2, the design drawing for the completely new roll-to-roll equipment designed is shown in Fig. 4.
The equipment is autonomous Design, and a variety of devices are combined.
The roll-to-roll equipment includes with flowering structure:
The device of surface treatment for substrate, in particular to by continuous ultrasound cleaning and corona treatment system combine,
Realize the deep clean of substrate surface and the modification on surface.The device includes continuous ultrasound rinse bath and corona system.Corona
Point discharge principle of the system based on surface generates ozone with free radical shock surface under high pressure and increases the attached of surface in air
Degree and wellability, reduce contact angle, be conducive to slurry diffusion and spread out, promote closely form a film.
It is heated and infrared heating phase by air continuous drier of the heating with infrared heating ining conjunction with, in particular to by air
It is continuous drying in conjunction with being carried out to material, the annealing time of perovskite thin film is saved, quality of forming film is improved.The principle of this method
Be: air heating realizes the drying of film surface using thermal convection by the air in hot plate heated oven；Infrared heating utilizes
Infrared heat source transmits energy by way of radiation, promotes the strenuous vibration between atom and molecule, realizes the rapid heating of film,
Complete nucleus growth.
It prepares the high-temperature hot-air auxiliary film formation device of perovskite thin film, in particular to using high-temperature hot-air as heat source, realizes
The metastable temperature of coating head regional area, to improve the quality and stability of film forming.The principle of this method is: in high temperature
Filtering compressed air or nitrogen under the action of, substrate surface solvent volatilizees rapidly, accelerate perovskite nucleus formation.
The present invention incorporates three kinds of mode of printings, including slit printing, silk-screen printing, intaglio process in roll-to-roll equipment
Brush, can be printed in the way of three kinds of different printings in an equipment, improve production efficiency.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (10)
1. a kind of large area flexible perovskite solar battery prints preparation method, which is characterized in that the large area flexible calcium
Titanium ore solar battery print preparation method the following steps are included:
Step 1 handles flexible transparent electrode: using PEN/ITO as transparent flexible electrode, flexible transparent electrode continuously being surpassed
Sound cleaning, in each ultrasonic cleaner, sequentially adds pure water and detergent, acetone, ethyl alcohol；It is cleaned by ultrasonic laggard promoting the circulation of qi
Road is dry: carrying out sided corona treatment to electrode surface, then is thermally dried；
Step 2 prepares hole transmission layer: PEDOT:PSS and isopropanol being configured to solution according to volume ratio 1:3, in substrate
On surface, by slit print process, PEDOT:PSS is printed onto flexible transparent electrode, is then thermally dried；
Step 3 prepares calcium titanium ore bed: by CH3NH3I and PbI2It is configured to mixed solution by the molar ratio of 1:1, by heating,
After stirring, filtering, on the hole transmission layer of substrate, by slit print process, perovskite is printed, is then thermally dried；
Step 4 prepares electron transfer layer: PCBM being dissolved in chlorobenzene, on the calcium titanium ore bed of substrate, is printed by slit
Method is printed one layer of PCBM, is then thermally dried；
Step 5 prepares metal to electrode: substrate is connected on the new route of screen printing apparatus, in the electron-transport of substrate
By silk-screen printing on layer, one layer of Ag or High-conductivity carbon slurry are printed, then heat drying, obtains the production of perovskite solar battery
Product.
2. large area flexible perovskite solar battery as described in claim 1 prints preparation method, which is characterized in that step
In one, the transmission speed for controlling volume is 0.2-10m/min, and the temperature of drying box is 100 DEG C, unreels power 70N, winding force 80N；
The total amount that pure water and detergent, acetone, ethyl alcohol are added is 10-25L, in three continuous ultrasonic cleaning equipments, often
Itself corresponding pure water and detergent, acetone, ethyl alcohol is added in one ultrasonic cleaning equipment.
3. large area flexible perovskite solar battery as described in claim 1 prints preparation method, which is characterized in that step
In two, control feeding speed is 0.2-2ml/min, and the transmission speed of volume is 0.2-10m/min, and dry temperature is 95 DEG C.
4. large area flexible perovskite solar battery as described in claim 1 prints preparation method, which is characterized in that step
In three, control feeding speed is 0.18-2ml/min, and the transmission speed of volume is 0.2-10m/min, and dry temperature is 100 DEG C.
5. large area flexible perovskite solar battery as described in claim 1 prints preparation method, which is characterized in that step
In four, control feeding speed is 0.2-2ml/min, and the transmission speed of volume is 0.4-10m/min, and dry temperature is 80 DEG C.
6. large area flexible perovskite solar battery as described in claim 1 prints preparation method, which is characterized in that step
In five, 400 mesh of mesh size is controlled, transmission ratio 20000, the transmission speed of volume is 0.2-10m/min, the temperature of drying is
100℃。
7. a kind of large area using the printing preparation method preparation of large area flexible perovskite solar battery described in claim 1
Flexible perovskite solar battery, which is characterized in that the large area flexible perovskite solar battery successively has from top to bottom
Silver layer, fullerene derivate (PCBM) layer, calcium titanium ore bed, poly- (3,4- ethene dioxythiophene)-polystyrolsulfon acid layer, ITO base
Bottom (ITO hearth electrode+glass transparent substrate)；
Silver layer is top electrode layer, and fullerene derivate layer is PCBM, ITO substrate are as follows: ITO hearth electrode+glass transparent substrate.
8. large area flexible perovskite solar battery as claimed in claim 7, which is characterized in that the material of transparent substrates can
Think polyethylene terephthalate (PET), polyimides (PI) and copper foil；Hearth electrode is ito transparent electrode, the transparent electricity of FTO
Pole；The silver of top electrode layer replaces with High-conductivity carbon；
The concentration of calcium titanium ore bed solution is 0.8-1.2mmol/mL, or by PbI2Partial replacement is BrI2, the concentration of PCBM or it is
15mg/mL, 20mg/mL.
9. a kind of roll-to-roll printing for implementing the printing preparation method of large area flexible perovskite solar battery described in claim 1
System.
10. a kind of motor vehicles of large area flexible perovskite solar battery described in installation claim 7 are gone sightseeing
Vehicle.
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| CN111312903A (en) * | 2020-03-04 | 2020-06-19 | 江苏集萃分子工程研究院有限公司 | Continuous preparation device and process for preparing perovskite thin film in two-step roll-to-roll mode |
| CN115915875A (en) * | 2022-05-05 | 2023-04-04 | 四川大学 | Preparation method of full-slit coating large-area perovskite solar cell |
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Application publication date: 20190531 Assignee: Shenzhen Putai Technology Co.,Ltd. Assignor: SOUTH University OF SCIENCE AND TECHNOLOGY OF CHINA Contract record no.: X2021980002250 Denomination of invention: A large area flexible perovskite solar cell and its printing preparation method License type: Exclusive License Record date: 20210330 |
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