CN117596904A - Perovskite solar cell module, preparation method thereof and perovskite cell module - Google Patents
Perovskite solar cell module, preparation method thereof and perovskite cell module Download PDFInfo
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K30/00—Organic devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation
- H10K30/80—Constructional details
- H10K30/81—Electrodes
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K30/00—Organic devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation
- H10K30/10—Organic devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation comprising heterojunctions between organic semiconductors and inorganic semiconductors
- H10K30/15—Sensitised wide-bandgap semiconductor devices, e.g. dye-sensitised TiO2
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K30/00—Organic devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation
- H10K30/80—Constructional details
- H10K30/88—Passivation; Containers; Encapsulations
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
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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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- Electromagnetism (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Photovoltaic Devices (AREA)
Abstract
The invention discloses a perovskite solar cell module, a preparation method thereof and a perovskite cell module, wherein the perovskite solar cell module comprises the following components: a multilayer structure of a substrate, a conductive layer, a first carrier layer, a perovskite layer, a second carrier layer, and a back electrode layer, which are sequentially stacked and arranged, separated into a plurality of sub-cells; and the side with the back electrode layer is also provided with at least one polymer organic flat layer and at least one inorganic insulating layer. Through the structure of the polymer organic flat layer and the inorganic insulating layer on the back electrode layer, the polymer organic flat layer can protect the grooves formed by the P2 and P3 laser scribing processes, and the existence of an air gap is reduced; meanwhile, the inorganic insulating layer can form a good water-oxygen shielding layer, so that the possibility that external trace water vapor possibly enters the perovskite device in the long-term use process is avoided, the packaging effect of the perovskite battery component is further improved, the efficiency attenuation is reduced, and the service life is prolonged.
Description
Technical Field
The invention relates to the technical field of photoelectric functional materials and devices, in particular to a perovskite solar cell module, a preparation method thereof and a perovskite cell module.
Background
Perovskite solar cells are a novel photovoltaic technology with low cost and high theoretical efficiency (-31%). Perovskite solar cells generally comprise: the front electrode is transparent conductive glass or flexible transparent conductive film; the first carrier transmission layer is made of a P-type or N-type semiconductor material; perovskite light absorbing layer ABX 3 The material A is monovalent groups or ions such as methylamino MA, formamidino FA, cesium Cs and the like; b is bivalent element such as Pb, sn or two monovalent element ions; x is a halogen element or other negative monovalent group; the second carrier transmission layer is made of N-type or P-type semiconductor material and is made of metal oxide or organic semiconductor material; the back electrode may be a metallic material, graphite or a conductive oxide. Since 2009, the photoelectric conversion efficiency of the small-area battery in the laboratory is over 26.1% at present, which is comparable to that of the silicon-based battery. Especially in the next half of 2021, the industrialization process of perovskite solar cells is accelerated, and early industrialization attempts such as laboratory technology amplification, pilot production line construction, sample display and the like are well-developed.
Currently, for perovskite solar cell modules used in industrialization, subcells are often connected in series by laser scribing, and the laser scribing step usually includes three steps (named P1, P2, and P3), where P1 is to pattern transparent conductive glass and divide the transparent conductive glass into a plurality of subcells; p2 is to pattern the prepared first carrier transmission layer/perovskite layer/second carrier transmission layer structure together to expose a small part of bottom transparent electrode; p3 is to pattern the electrode after the electrode is prepared; finally, a perovskite solar module with a plurality of separated sub-cells connected in series is formed.
In the prior art, a perovskite solar module is made into a battery assembly, and the perovskite solar module and a packaging plate are bonded together in a manner of packaging by using a thermoplastic adhesive film (EVA/POE/PVB, etc.). The method comprises the specific steps of placing a perovskite solar module into a laminating machine with heating for vacuumizing and exhausting, pressurizing after the adhesive film is melted, and bonding packaging plate glass and the perovskite solar module together through the packaging adhesive film. Because the whole film is uneven due to laser scribing, partial gaps can still be unfilled due to simple vacuum exhaust melting pressurization, and a plurality of gas gaps can also exist in the battery assembly after the battery assembly is packaged in the mode, so that a water-oxygen channel is formed, and the operation performance and the service life of the assembly are affected. Therefore, development of a novel titanium-ore solar cell packaging structure is needed to meet the long-life use requirement.
In view of this, the present invention has been made.
Disclosure of Invention
The invention aims to provide a perovskite solar cell module, a preparation method thereof and a perovskite cell module so as to improve the technical problems.
The invention is realized in the following way:
in a first aspect, the present invention provides a perovskite solar cell module comprising: the substrate, the conductive layer, the first carrier layer, the perovskite layer, the second carrier layer and the back electrode layer are sequentially stacked; the layer structure consisting of the conductive layer, the first carrier layer, the perovskite layer, the second carrier layer and the back electrode layer is divided into a plurality of sub-cells; the side with the back electrode layer is further provided with at least one polymer organic planarizing layer and at least one inorganic insulating layer.
In a second aspect, the invention further provides a preparation method of the perovskite solar cell module, which comprises the following steps:
a device having the substrate, the conductive layer, the first carrier layer, the perovskite layer, the second carrier layer, and the back electrode layer is obtained.
A multilayer structure of at least one polymer organic planarizing layer and at least one inorganic insulating layer is formed on the side of the device having the back electrode layer.
In a third aspect, the invention also provides a perovskite battery assembly, which comprises the perovskite solar battery module, and a thermoplastic adhesive film and a packaging substrate which are sequentially arranged on the polymer organic flat layer or the inorganic insulating layer.
The invention has the following beneficial effects: by arranging at least one polymer organic flat layer and at least one inorganic insulating layer on one side of the back electrode layer, the polymer organic flat layer can protect grooves (namely, volcanic vents) formed by the P2 and P3 laser scribing processes, and the existence of gas pores is reduced; meanwhile, the inorganic insulating layer can form a good water-oxygen shielding layer, so that the possibility that external trace water vapor possibly enters the perovskite device in the long-term use process is avoided, the packaging effect of the perovskite battery component is further improved, the efficiency attenuation is reduced, and the service life is prolonged.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a perovskite solar cell module and a perovskite solar cell module according to an embodiment of the invention;
fig. 2 is a schematic structural diagram of another perovskite solar cell module and a cell module according to an embodiment of the invention;
fig. 3 is a schematic diagram of a process flow for preparing a perovskite solar cell module according to an embodiment of the invention;
FIG. 4 is a schematic diagram of a process flow for manufacturing a perovskite solar cell module according to an embodiment of the invention hosted by a newly designed packaging mechanism;
FIG. 5 is a schematic structural view of a perovskite battery cell assembly as prepared in example 5 of the invention;
fig. 6 is a schematic structural diagram of a perovskite battery cell assembly prepared in example 6 of the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below. The specific conditions are not noted in the examples and are carried out according to conventional conditions or conditions recommended by the manufacturer. The reagents or apparatus used were conventional products commercially available without the manufacturer's attention.
The perovskite solar cell module, the preparation method thereof and the perovskite cell module are specifically described below.
Some embodiments of the present invention provide a perovskite solar cell module including: the substrate, the conductive layer, the first carrier layer, the perovskite layer, the second carrier layer and the back electrode layer are sequentially stacked; the layer structure consisting of the conductive layer, the first carrier layer, the perovskite layer, the second carrier layer and the back electrode layer is divided into a plurality of sub-cells, and at least one polymer organic flat layer and at least one inorganic insulating layer are arranged on one side with the back electrode layer.
The perovskite solar cell module is characterized in that a polymer organic flat layer and an inorganic insulating layer are further arranged on one layer of a back electrode layer on the basis of the traditional perovskite cell module structure prepared by P1, P2 and P3 laser scribing, wherein the polymer organic flat layer can protect grooves (namely a volcanic vent) formed by the P2 and P3 laser scribing process, and internal gas gaps are reduced; meanwhile, the inorganic insulating layer can form a good water-oxygen shielding layer, so that the possibility that external trace water vapor possibly enters the perovskite device in the long-term use process is avoided, the encapsulation effect of the perovskite solar cell is further improved, the efficiency attenuation is reduced, and the service life is prolonged.
Specifically, referring to fig. 1, some embodiments of the present invention provide a specific perovskite solar cell module and a cell assembly including the perovskite solar cell module, which has the following structure: the conductive layer, the first carrier layer, the perovskite layer, the second carrier layer and the back electrode layer which are arranged at intervals are sequentially laminated on the substrate, a polymer organic flat layer (IPJ ink-jet printing flat layer 1) is filled in a groove formed by a P2 laser scribing process and a P3 laser scribing process, the polymer organic flat layer coats the back electrode layer, an inorganic insulating layer is coated on the surface of the IPJ ink-jet printing flat layer 1, an IPJ ink-jet printing flat layer 2 is coated on the surface of the inorganic insulating layer again, and a three-layer structure of the polymer organic flat layer/the inorganic insulating layer/the polymer organic flat layer is formed on one side of the back electrode layer.
The polymer organic flat layer of the inner layer can protect the groove formed by the P2/P3 laser scribing process; the middle inorganic insulating layer can form a good water-oxygen shielding layer, and meanwhile, the damage to the back electrode caused by directly preparing the inorganic insulating layer on the back electrode can be avoided; the inorganic insulating layer is clamped between the outer polymer organic flat layers, so that the damage and rupture of the inorganic water oxygen shielding layer caused by direct contact of the thermoplastic adhesive film with the inorganic insulating layer during lamination can be avoided, and meanwhile, the outer polymer organic flat layers are easier to form close contact with the thermoplastic adhesive film, so that the packaging effect is improved.
Referring to fig. 2, further embodiments of the present invention provide a perovskite solar cell module having the structure: the substrate is sequentially laminated with a conducting layer, a first carrier layer, a perovskite layer, a second carrier layer and a back electrode layer which are arranged at intervals, wherein an inorganic insulating layer is arranged on the back electrode layer and in a groove formed by a P2 and P3 laser scribing process, then a polymer organic flat layer is further arranged on the inorganic insulating layer, the groove is filled with the polymer organic flat layer, and a flat layer with a certain thickness is formed relative to the inorganic insulating layer. Similarly, the inorganic insulating layer can form a good water-oxygen shielding layer, and the polymer organic flat layer can not only protect the groove structure and reduce the internal gas gap, but also protect the inorganic insulating layer and avoid damage caused by contact lamination with the thermoplastic adhesive film. Meanwhile, the polymer organic flat layer can be directly contacted with the thermoplastic adhesive film, so that tight connection is easy to form, and the packaging effect is improved.
Further, in some embodiments, one inorganic insulating layer, a polymer organic flat layer and another inorganic insulating layer may be sequentially disposed on the side having the back electrode layer, or the inorganic insulating layers and the polymer organic flat layers may be alternately disposed, and at least two groups may be disposed. Through the combined layer structure of the inorganic insulating layer and the polymer organic flat layer, the perovskite solar cell internal structure can be well protected, meanwhile, a better water-oxygen shielding layer can be formed, a water-oxygen channel is avoided, the stability of the perovskite solar cell module is improved, and the service life is prolonged.
The perovskite solar cell module in the above embodiment is encapsulated to form a perovskite cell module, that is, a thermoplastic film and an encapsulation substrate for encapsulating the perovskite solar cell module are further disposed on a multilayer structure of a polymer organic flat layer and an inorganic insulating layer, and the encapsulation substrate may be made of the same material as the substrate.
Further, the material of the polymer organic planarization layer in the above embodiment is at least one selected from polyimide and silicone resin, polyamide, polyamideimide, polyimide amide, polysiloxane, polysilicone, and polysilazane ester. The polymer with the material can have certain fluidity, is convenient for solidification and molding, and realizes the filling of the groove. In addition, the polymer organic flat layer fills the grooves formed by the P2 laser scribing and the P3 laser scribing and covers the thickness of the back electrode layer or the inorganic insulating layer from 2um to 10um.
In some embodiments, the inorganic insulating layer is made of Al 2 O 3 、SiON x 、SiN x And SiO x At least one of them. The thickness of the inorganic insulating layer is 0.05um to 1.5um, for example, 0.05um, 0.1um, 0.3um, 0.5um, 0.6um, 0.8um, 0.9um, 1.0um, 1.2um, 1.3um, 1.5um, or the like.
Further, some embodiments of the present invention also provide a method for preparing a perovskite solar cell module according to any one of the above embodiments, which includes: obtaining a device with a substrate, a conductive layer, a first carrier layer, a perovskite layer, a second carrier layer and a back electrode layer; a multilayer structure of at least one polymer organic planarizing layer and at least one inorganic insulating layer is formed on the side of the device having the back electrode layer.
Specifically, referring to fig. 3, in some embodiments, a device having a substrate, a conductive layer, a first carrier layer, a perovskite layer, a second carrier layer, and a back electrode layer is obtained, specifically comprising the steps of:
i. the conductive substrate (e.g., transparent substrate) is cleaned.
In some embodiments, the substrate is selected from any one of glass, silicon wafer, carbon fiber, marble, PI, and PET.
It should be noted that, the conductive substrate herein is that the surface of the substrate 110 is covered with a whole conductive layer material. In some embodiments, the material of the conductive layer is at least one selected from transparent conductive material, metal conductive material and high conductive material, wherein the transparent conductive material comprises at least one selected from indium tin oxide, fluorine doped tin oxide, aluminum doped zinc oxide and indium zinc oxide; the metallic conductive material includes at least one of Au, ag, cu, ni, ti and Cr; the high conductive material includes at least one of graphene, nano silver wire, and carbon nanotube.
Therefore, the conductive substrate may be made of transparent materials such as common glass and flexible plastic. ITO conductive glass, FTO conductive glass, AZO conductive glass, silver nanowire modified conductive glass, graphene modified conductive glass, carbon nanotube layer modified conductive glass and the like are commonly adopted. The cleaning means is a conventional means for cleaning a conductive substrate in the art, for example, deionized water, acetone, an optical glass cleaner, isopropanol are adopted for ultrasonic cleaning, and ultraviolet ozone treatment is carried out to enhance the wettability of the surface of the substrate.
P1 laser scribing is carried out on the conductive substrate to form a plurality of small conductive sub-electrodes.
Specifically, the laser scribing P1 is performed by using a femtosecond laser scribing device, different laser power parameters and scribing conditions are selected according to different conductive substrate types, and the scribing width is 30-100 um.
Preparing a first carrier layer, such as a hole transport layer.
In particular, the hole transport layer material (first carrier layer) includes, but is not limited to, spiro-OMeTAD, PEDOT: PSS, TPD, PTAA, P3HT, PCPDTBT, nixO, V 2 O 5 、CuI、MoO 3 CuO and Cu 2 O, and the like. The preparation method of the first carrier layer can be a uniform film forming method such as material solution coating, vapor deposition and the like, and the film thickness is usually not more than 100nm.
iV. perovskite layer is prepared.
Specifically, the perovskite layer is made of a material with a chemical general formula of ABX 3 Wherein A is CH 3 NH 3 + (MA + )、NH 2 ＝CHNH 2 + (FA + )、C 4 H 9 NH 3 + 、Cs + And Rb + At least one of (2); b is Pb 2+ 、Sn 2+ 、Ge 2+ 、Sb 3+ 、Bi 3+ 、Ag + 、Au 3+ And Ti is 4+ At least one of (a) and (b); x is Cl - 、Br - 、I - Or at least one halogen-like compound; the deposition method of the perovskite layer can adopt any solution or vapor deposition method such as a slit coating method, a knife coating method, a screen printing method, a vacuum evaporation method, an ink-jet printing method and the like, and the thickness of the deposition is 500 nm-2000 nm.
And V. preparing a second carrier layer, such as an electron transport layer.
In particular, the electron transport layer material includes, but is not limited to, titanium oxide (TiO 2 ) Zinc oxide (ZnO), tin oxide (SnO) 2 ) The preparation method of the second carrier layer of any one material of nickel oxide, magnesium oxide, copper oxide, cuprous oxide and tungsten oxide can be a uniform film forming method such as material solution coating, vapor deposition and the like, and the film thickness is generally not more than 100nm.
Vi. P2 laser scribing the device.
Specifically, the laser scribing P2 uses a femtosecond laser device to scribe the mold, and the scribing width is 30um to 100um.
A metal back electrode layer is deposited over the device of the insulating shield layer.
Specifically, the metal electrode can be prepared by adopting metals such as Au, ag, cu and the like and adopting a vacuum thermal evaporation method.
The device was P3 laser scribed.
Specifically, the laser scribing P3 uses a femtosecond laser device to scribe the mold, and the scribing width is 30 to 100um.
Further, a multi-layered structure of at least one polymer organic flat layer and at least one inorganic insulating layer is formed on the side of the device having the back electrode layer, and laminated to form a battery assembly, exemplarily, referring to fig. 4, specifically comprising the steps of:
ix. a polymer organic planarizing layer was formed on the metal back electrode surface IJP ink-jet printed (IJP ink-jet printed planarizing layer 1).
Specifically, the material for IJP ink-jet printing can be polyimide, silica gel resin, polyamide imide, polyimide amide, polysiloxane, polysilicone, polysilazane, etc., filling the P2/P3 groove, synchronously keeping an organic flat layer with the thickness of 2-10 um on the surface of the metal back electrode, and baking and curing. It can also be prepared by spin coating, knife coating, slit coating, PVD, etc.
And X, depositing an inorganic insulating layer on the surface of the polymer organic flat layer (IJP ink-jet printing flat layer 1).
Specifically, the inorganic insulating layer is deposited by Spter, ALD or PECVD equipment with thickness of 0.05-1.5 um, and the inorganic insulating layer can be made of Al 2 O 3 、SiON x 、SiN x 、SiO x One or more of these materials.
Xi. A polymer organic flat layer (IJP ink jet printing flat layer 2) is formed on the surface of the inorganic insulating layer by IJP ink jet printing, such as polyimide, silicone resin, polyamide imide, polyimide amide, polysiloxane, polysilicone, polysilazane, etc., and an organic flat layer with the thickness of 2-10 um is reserved on the surface of the inorganic insulating layer, and baking and curing are carried out.
Specifically, the polymer organic planarization layer may also be prepared by spin coating, blade coating, slot coating, PVD, and the like.
And Xii. Packaging the thermoplastic film by a lamination process, and bonding the organic flat layer on the surface of the perovskite solar module with a packaging substrate to form the perovskite assembly.
Wherein, the thermoplastic film can be one or more of EVA, POE, PVB, etc., and the melting temperature is 100-150 ℃.
The features and capabilities of the present invention are described in further detail below in connection with the examples.
Example 1
The embodiment provides a perovskite solar cell module and a preparation method of a cell module, which specifically comprise the following steps:
firstly, sequentially using deionized water, acetone, an optical glass cleaner and isopropanol to ultrasonically clean a transparent glass substrate, and drying the transparent glass substrate in an oven at 60 ℃ for 6 hours.
And secondly, evaporating an ITO conductive layer by adopting thermal evaporation, wherein the thickness of the ITO conductive layer is 100-500 nm, and the resistance is 15 omega/≡. And scribing and etching the substrate conductive layer by using a femtosecond laser device, wherein the etching width is 30-100 um. And then sequentially adopting deionized water, acetone, an optical glass cleaner and isopropanol for ultrasonic cleaning, and carrying out ultraviolet ozone treatment to enhance the wettability of the surface of the substrate.
And thirdly, depositing 5mg/mL PTAA solution (Mw-10000) on the transparent conductive substrate by spin coating, wherein spin coating parameters are 4000rpm,30s, acceleration is 2000rpm/s, and annealing at 100 ℃ for 10min to finish the preparation of the hole transport layer.
Fourthly, cleaning the surface of the PTAA transmission layer by adopting DMF to improve wettability, then depositing FAPbI3 perovskite solution (VDMF/VDMSO=9:1) with the concentration of 1.35M, rotating at 5000rpm for 25s, rotating at 2500rpm/s, coating a perovskite precursor film dynamically by using 100 microliter chlorobenzene anti-solvent at 20s to promote uniform growth of crystals, and then annealing at 150 ℃ for 15mins in air (R.H. to 40%) to finish preparation of the perovskite layer.
And fifthly, spin-coating 10mg/mL PC61BM chlorobenzene solution on the upper surface of the perovskite film, wherein the spin-coating rotating speed is 2000rpm, and the spin-coating time is 60s, so that the electron transport layer can be obtained.
And sixthly, performing P2 line etching by using a femtosecond laser device, wherein the etching parameters are adjusted and optimized to reduce the damage to perovskite and the functional layer, and the etching width is 30-100 um.
And seventh, depositing 100nm Ag electrode on the scribed quasi-device by vacuum thermal evaporation.
And eighth step, further adopting a femtosecond laser device to etch the P3 line, etching the P3 line to 30-100 um in width, cutting off the surface metal electrode to form effective series connection of sub-cells, and realizing the preparation of the perovskite module.
And ninth, adopting an IJP (Internet protocol) ink-jet printing process to prepare the organic polyimide layer 1, wherein slurry of the organic flat layer has certain fluidity, can fill up the grooves of P2/P3, avoids uneven bottom when the hot-melt adhesive film is applied, and bubbles exist in the grooves of P2/P3 to form a water-oxygen channel, so that the ageing of the device is accelerated, and the thickness is 2-10 mu m.
Tenth step, inorganic insulation SiN is prepared by adopting PECVD technology x And the process parameters are regulated to form a compact shielding layer, so that the invasion of water and oxygen is prevented when the shielding layer is used for a long time, and the thickness is 0.05-1.5 um.
Eleventh, the organic polyimide layer 2 is prepared by using an IJP ink-jet printing process, the process parameters are regulated, and the optimal film layer is formed with the thickness of 1-5 um.
And twelfth, adopting a lamination process, and adhering the packaging plate and the perovskite solar cell module by using a hot melt adhesive film POE to form a complete cell module, wherein the temperature is 100-150 ℃.
Example 2
The present embodiment provides a perovskite solar cell module and a method for manufacturing a cell module, which are different from embodiment 1 only in that transparent glass is replaced by a PET flexible substrate, and the flexible perovskite solar cell module can be realized by adopting the subsequent steps as well.
Example 3
The present embodiment provides a perovskite solar cell module and a method for manufacturing a cell module, which are different from embodiment 1 only in that in the third and fifth steps, the p-type PTAA transport layer is replaced with n-type SnO 2 A transmission layer for n-type PC 61 And the BM transmission layer is replaced by a p-type spiro-OMeTAD transmission layer, so that the preparation of the trans-perovskite solar cell module can be realized.
Example 4
The present embodiment provides a perovskite solar cell module and a method for manufacturing a cell module, which are different from embodiment 1 only in that an inorganic insulating layer SiN is deposited on the surface of a metal back electrode of the perovskite solar cell module by an RFD or ALD process x The low-temperature low-power process is adopted, so that the damage to the bottom metal back electrode is avoided, and the thickness is 0.05-1.5 um; and then the IJP ink-jet printing process is adopted to prepare the organic polyimide layer, the thickness of the organic polyimide layer is 2-10 mu m, the slurry of the organic flat layer has certain fluidity, the P2/P3 grooves can be filled, and the accelerated aging of water-oxygen channels formed by bubbles in the grooves during lamination can be avoided, as shown in figure 2.
Example 5
The present embodiment provides a perovskite solar cell module and a method for manufacturing a cell module, which are different from embodiment 4 only in that the surface of a metal back electrode of the perovskite solar cell module is alternately manufactured with an inorganic insulating layer 1/IJP inkjet printing flat layer 1/inorganic insulating layer 2/IJP inkjet printing flat layer 2, at least two groups of alternate structures, and a POE adhesive film, so as to further improve the packaging effect, as shown in fig. 5. The thickness of the inorganic insulating layer is 0.05-1.5 um, and the thickness of the flat layer for IJP inkjet printing is 2-10 um.
Example 6
The present embodiment provides a perovskite solar cell module and a method for manufacturing a cell module, which are different from embodiment 4 only in that an inorganic insulating layer 1/IJP inkjet printing flat layer/inorganic insulating layer 2 structure is manufactured on the surface of a metal back electrode of the perovskite solar cell module, and the encapsulation effect is further improved by using two inorganic insulating layers and a POE adhesive film, as shown in fig. 6. The thickness of the inorganic insulating layer is 0.05-1.5 um, and the thickness of the IJP inkjet printing flat layer is 2-10 um.
In summary, some embodiments of the present invention provide a novel titanium-ore solar cell packaging structure, which is configured by disposing a multi-layer structure of at least one polymer organic flat layer and at least one inorganic insulating layer on one side of a metal back electrode, so that not only can a volcanic vent formed by P2/P3 be protected, but also the existence of gas pores is reducedThe perovskite solar module can form a good water-oxygen shielding layer, and further improve the packaging performance of the perovskite solar module. For example, IJP ink-jet printing a polymer organic planarization layer (such as polyimide and silica gel resin, polyamide, polyamideimide, polyimide amide, polysiloxane, polysilicone and polysilazane ester) on a perovskite module, filling the grooves formed by the P2/P3 process, covering the surface of a metal back electrode, baking and forming a planarization layer, and protecting the volcanic vent (groove) formed by the P2/P3 laser scribing process; preparation of inorganic layer (SiN) by surface PECVD (Sputer or ALD etc.) of IJP printed organic planarization layer x 、SiO x Etc.), a good water-oxygen shielding layer is formed, and meanwhile, the damage to the bottom back electrode caused by the preparation of the inorganic layer can be avoided; synchronously printing a layer of polymer organic flat layer (such as polyimide, silica gel resin, polyamide imide, polyimide amide, polysiloxane, polysilicone, polysilazane ester and the like) on the surface IJP (inter alia) of the inorganic insulating layer, clamping the inorganic insulating layer in the middle, and avoiding the direct contact of the thermoplastic adhesive film with the inorganic insulating layer, thereby avoiding the damage and the breakage of the inorganic water oxygen shielding layer during lamination, and the outer polymer organic flat layer can also form tight contact with the thermoplastic adhesive film, so that the encapsulation effect of the perovskite solar cell can be improved, the efficiency attenuation is reduced, and the service life is prolonged.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A perovskite solar cell module, characterized in that it comprises: the substrate, the conductive layer, the first carrier layer, the perovskite layer, the second carrier layer and the back electrode layer are sequentially stacked;
the layer structure consisting of the conductive layer, the first carrier layer, the perovskite layer, the second carrier layer and the back electrode layer is divided into a plurality of sub-cells;
the side with the back electrode layer is also provided with at least one polymer organic flat layer and at least one inorganic insulating layer.
2. The perovskite solar cell module of claim 1, wherein one side having the back electrode layer is provided with one layer of the polymer organic planarization layer, the inorganic insulating layer, and another layer of the polymer organic planarization layer in this order;
or one side with the back electrode layer is sequentially provided with one inorganic insulating layer, the polymer organic flat layer and the other inorganic insulating layer;
or, the inorganic insulating layer and the polymer organic flat layer are sequentially arranged on one side with the back electrode layer.
3. The perovskite solar cell module according to claim 1 or 2, wherein the material of the polymer organic planarization layer is at least one selected from polyimide and silicone resin, polyamide, polyamideimide, polyimide amide, polysiloxane, silicone and polysilazane;
and/or the material of the inorganic insulating layer is selected from Al 2 O 3 、SiON x 、SiN x And SiO x At least one of them.
4. The perovskite solar cell module of claim 1 or 2, wherein the thickness of the inorganic insulating layer is 0.05um to 1.5um;
and/or the polymer organic flat layer is filled with the grooves formed by the P2 laser scribing and the P3 laser scribing and covers the thickness of the back electrode layer or the inorganic insulating layer from 2um to 10um.
5. The perovskite solar cell module of claim 1 or 2, wherein the substrate is selected from any one of glass, silicon wafer, carbon fiber, marble, PI, and PET;
and/or the material of the conductive layer is at least one selected from transparent conductive materials, metal conductive materials and high conductive materials, wherein the transparent conductive materials comprise at least one selected from indium tin oxide, fluorine doped tin oxide, aluminum doped zinc oxide and indium zinc oxide; the metallic conductive material includes at least one of Au, ag, cu, ni, ti and Cr; the high-conductivity material comprises at least one of graphene, nano silver wires and carbon nanotubes;
and/or the first and second carrier layers are respectively selected from hole transport layer materials and electron transport layer materials, the hole transport layer materials are selected from Spiro-OMeTAD, PEDOT: PSS, TPD, PTAA, P3HT, PCPDTBT, ni x O、V 2 O 5 、CuI、MoO 3 CuO and Cu 2 At least one of O; the electron transport layer material is at least one selected from titanium oxide, zinc oxide, tin oxide, nickel oxide, magnesium oxide, copper oxide, cuprous oxide and tungsten oxide;
and/or the material of the perovskite layer is ABX 3 Wherein A is CH 3 NH 3 + (MA + )、NH 2 ＝CHNH 2 + (FA + )、C 4 H 9 NH 3 + 、Cs + And Rb + At least one of (2); b is Pb 2+ 、Sn 2+ 、Ge 2+ 、Sb 3+ 、Bi 3+ 、Ag + 、Au 3+ And Ti is 4+ At least one of (a) and (b); x is Cl - 、Br - 、I - Or at least one halogen-like compound;
and/or the material of the back electrode layer is selected from any one of Au, ag and Cu.
6. The perovskite solar cell module of claim 1 or 2, wherein the thickness of the conductive layer is 100nm to 500nm; and/or the thickness of the first carrier layer and the second carrier layer is less than or equal to 100nm; and/or the thickness of the perovskite layer is 500 nm-2000 nm.
7. A method of manufacturing a perovskite solar cell module as claimed in any one of claims 1 to 6, comprising:
obtaining a device having the substrate, the conductive layer, the first carrier layer, the perovskite layer, the second carrier layer, and the back electrode layer;
a multilayer structure of at least one polymer organic planarizing layer and at least one inorganic insulating layer is formed on the side of the device having the back electrode layer.
8. The method of manufacturing a perovskite solar cell module according to claim 7, wherein one layer of the polymer organic planarization layer, the inorganic insulating layer, and the other layer of the polymer organic planarization layer are sequentially formed on the side having the back electrode layer;
or, one inorganic insulating layer, the polymer organic planarization layer and the other inorganic insulating layer are sequentially formed on the side having the back electrode layer.
9. The method of manufacturing a perovskite solar cell module according to claim 8, wherein the polymer organic planarizing layer is obtained by inkjet printing;
and/or the inorganic insulating layer is deposited by a Sputer, ALD or PECVD device.
10. A perovskite battery assembly, characterized in that it comprises a perovskite solar cell module according to any one of claims 1 to 6, and a thermoplastic film and an encapsulation substrate, which are sequentially arranged on the polymer organic planarization layer or the inorganic insulation layer.
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