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WO2016186317A1 - Module de cellules solaires de type pérovskite - Google Patents

Module de cellules solaires de type pérovskite Download PDF

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Publication number
WO2016186317A1
WO2016186317A1 PCT/KR2016/003378 KR2016003378W WO2016186317A1 WO 2016186317 A1 WO2016186317 A1 WO 2016186317A1 KR 2016003378 W KR2016003378 W KR 2016003378W WO 2016186317 A1 WO2016186317 A1 WO 2016186317A1
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Prior art keywords
perovskite solar
solar cell
layer
absorbing layer
perovskite
Prior art date
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Ceased
Application number
PCT/KR2016/003378
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English (en)
Korean (ko)
Inventor
김동환
이해석
강윤묵
이승훈
김영도
박효민
김성탁
정태원
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Korea University Research and Business Foundation
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Korea University Research and Business Foundation
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Filing date
Publication date
Priority claimed from KR1020150068619A external-priority patent/KR101666748B1/ko
Priority claimed from KR1020150068615A external-priority patent/KR101852237B1/ko
Application filed by Korea University Research and Business Foundation filed Critical Korea University Research and Business Foundation
Priority to CN201680006331.3A priority Critical patent/CN107210368B/zh
Publication of WO2016186317A1 publication Critical patent/WO2016186317A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
    • H10K85/50—Organic perovskites; Hybrid organic-inorganic perovskites [HOIP], e.g. CH3NH3PbI3
    • 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
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
    • H10F19/00—Integrated devices, or assemblies of multiple devices, comprising at least one photovoltaic cell covered by group H10F10/00, e.g. photovoltaic modules
    • H10F19/90—Structures for connecting between photovoltaic cells, e.g. interconnections or insulating spacers
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
    • H10F77/00—Constructional details of devices covered by this subclass
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
    • H10F77/00—Constructional details of devices covered by this subclass
    • H10F77/10—Semiconductor bodies
    • H10F77/16—Material structures, e.g. crystalline structures, film structures or crystal plane orientations
    • H10F77/169—Thin semiconductor films on metallic or insulating substrates
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
    • H10F77/00—Constructional details of devices covered by this subclass
    • H10F77/20—Electrodes
    • 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
    • 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
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K39/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic radiation-sensitive element covered by group H10K30/00
    • H10K39/10—Organic photovoltaic [PV] modules; Arrays of single organic PV cells
    • H10K39/12—Electrical configurations of PV cells, e.g. series connections or parallel connections
    • 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
    • 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

Definitions

  • the present invention relates to a perovskite solar cell module, and more particularly, to a perovskite solar cell module in which solar cells including a material having a perovskite structure as an absorbing layer are electrically connected to each other.
  • Photovoltaic solar cell is a device that converts light energy into electrical energy by using photovoltaic effect.
  • Silicon solar cell is typical, and general commercial solar cell is composed of p-type and n-type semiconductors. Equipped with front and rear electrodes, electrons and holes generated by light irradiation are separated and collected in the electrodes. As a result, unit cells of the solar cell module are formed.
  • a plurality of solar cells are connected in series or in parallel to obtain output, and then packaged for outdoor use. This type is called a solar cell module.
  • a solar cell including an absorbing layer as a material having a perovskite structure may have excellent photoelectric conversion efficiency due to better charge separation and photocharge accumulation characteristics than conventional silicon thin film solar cells.
  • the absorbing layer may be patterned through a laser scribing process or a mechanical scribing process.
  • problems such as damage or shunt (SHUNT) in the absorbing layer that may occur in the structure during the scribing process may occur.
  • SHUNT damage or shunt
  • a shunt phenomenon occurs in which electrons generated in the absorption layer through contact between the metal electrode and the absorption layer move to the metal electrode instead of the transparent electrode, thereby degrading the photoelectric conversion efficiency of the perovskite solar cell module. May occur.
  • an object of the present invention is to provide a perovskite solar cell module that can improve the photoelectric conversion efficiency by suppressing the shunt generation.
  • the perovskite solar cell module according to the embodiments of the present invention may be formed in each of the first and second cell regions on the transparent substrate and the transparent substrate partitioned into a first cell region and a second cell region. And a transparent electrode, an absorbing layer made of a perovskite material, a metal electrode into which holes are introduced from the absorbing layer, and a hole conducting layer interposed between the absorbing layer and the metal electrode and transferring the holes to the metal electrode.
  • first and second perovskite solar cells wherein the metal electrode is connected to a transparent electrode included in the second perovskite solar cell, and the first and second perovskite solar cells
  • each of the perovskite solar cells may further include a blocking layer interposed between the transparent electrode and the absorption layer to suppress the return of electrons to the absorption layer.
  • the absorbing layer included in the first perovskite solar cell includes an extension electrically connected to the transparent electrode included in the second perovskite solar cell,
  • Each of the perovskite solar cells further includes a blocking layer interposed between the transparent electrode and the absorbing layer to prevent electrons from returning to the absorbing layer, and the extension part may be interposed between the insulating portion and the blocking layer.
  • the end of the insulating portion may be connected to the transparent substrate.
  • each of the perovskite solar cells further comprises a shunt suppressor interposed between the sidewall and the insulating portion of the absorbing layer and inhibits the movement of electrons to the connection portion to the absorbing layer.
  • a shunt suppressor interposed between the sidewall and the insulating portion of the absorbing layer and inhibits the movement of electrons to the connection portion to the absorbing layer.
  • the absorption layer may include an extension electrically connected to the transparent electrode included in the adjacent solar cell.
  • the extension portion thereof may be connected to the transparent substrate.
  • the perovskite solar cell module may include a transparent substrate partitioned into a first cell region and a second cell region, and formed in each of the first and second cell regions on the transparent substrate. And first and second perovskite solar cells each having a transparent electrode, an absorbing layer made of a perovskite material, and a metal electrode into which holes are introduced from the absorbing layer, the first perovskite solar cell A connecting portion for electrically connecting the first and second perovskite solar cells by interconnecting an included metal electrode and a transparent electrode included in the second perovskite solar cell, and the connecting portion and the absorbing layer. And a shunt suppressing film interposed therebetween to prevent electrons formed in the absorbing layer from being moved to the connection portion.
  • connection portion may be in physical contact with the end of the metal electrode and the upper portion of the transparent electrode.
  • the connecting portion and the metal electrode may be made of the same material.
  • the shunt suppression film may have a shorter diffusion distance than the absorber layer.
  • the shunt suppression layer may be made of a dielectric material.
  • each of the perovskite solar cells may further include a blocking layer interposed between the transparent electrode and the absorption layer to suppress the return of electrons to the absorption layer.
  • the shunt suppression layer may be interposed between the blocking layer and the connection portion.
  • the insulating part included in the hole conductive layer may be interposed between the connection part included in the metal electrode and the absorbing layer to prevent the electrons formed in the absorbing layer from moving to the connection part.
  • a shunt suppression film is provided between the connecting portion and the absorbing layer to suppress electrons formed in the absorbing layer from moving to the connecting portion. Thereby, the damage and the shunt which arise at the time of manufacturing a perovskite solar cell module can be suppressed. As a result, the efficiency of the perovskite solar cell module can be increased.
  • FIG. 1 is a cross-sectional view illustrating a perovskite solar cell module according to an embodiment of the present invention.
  • FIG. 2 is a cross-sectional view illustrating a perovskite solar cell module according to another embodiment of the present invention.
  • FIG. 3 is a cross-sectional view illustrating a perovskite solar cell module according to an embodiment of the present invention.
  • FIG. 4 is a cross-sectional view for describing a perovskite solar cell module according to an embodiment of the present invention.
  • FIG. 5 is a cross-sectional view illustrating a perovskite solar cell module according to another embodiment of the present invention.
  • first and second may be used to describe various components, but the components should not be limited by the terms. The terms are used only for the purpose of distinguishing one component from another.
  • the first component may be referred to as the second component, and similarly, the second component may also be referred to as the first component.
  • a perovskite solar cell module is formed in each of the first and second cell regions on the transparent substrate and the transparent substrate partitioned into a first cell region and a second cell region.
  • a transparent electrode an absorbing layer made of a perovskite material, a metal electrode into which holes are introduced from the absorbing layer, and a hole conducting layer interposed between the absorbing layer and the metal electrode and transferring the holes to the metal electrode, respectively.
  • First and second perovskite solar cells wherein the metal electrode is connected to a transparent electrode included in the second perovskite solar cell, and the first and second perovskite solar cells
  • FIG. 1 is a cross-sectional view illustrating a perovskite solar cell module according to an embodiment of the present invention.
  • a solar cell module 100 includes solar cells composed of a transparent substrate 110, a first solar cell 120, and a second solar cell 130. 120, 130).
  • the transparent substrate 110 may include a glass substrate or a polymer substrate. Outside sunlight may be incident on the bottom surface of the transparent substrate 110.
  • the transparent substrate 110 may be divided into a plurality of cell regions 111 and 112.
  • the transparent substrate is divided into a first cell region 111 and a second cell region 112.
  • Each of the cell regions 111 and 112 may be formed with perovskite solar cells.
  • the first solar cell 120 is formed in the first cell region 111 on the transparent substrate 110.
  • the first solar cell 120 generates power by performing photoelectric conversion using sunlight incident through the transparent substrate 110.
  • the first solar cell 120 includes a transparent electrode 121, an absorption layer 123, a metal electrode 125, and a hole conductive layer 124.
  • the transparent electrode 121 is formed on the transparent substrate 110.
  • the transparent electrode 121 may be formed of a transparent conductive oxide such as, for example, ITO, FTO, ZnO, ATO, PTO, AZO, or IZO. Electrons generated by the photoelectric effect may flow from the absorption layer 123 to the transparent electrode 121.
  • the absorbing layer 123 is formed on the transparent electrode 121.
  • the absorption layer 123 absorbs sunlight to form a carrier pair of electrons and holes through a photoelectric effect.
  • the absorption layer 123 is made of a material having a perovskite structure.
  • the absorbing layer 123 may be formed of a material having a titanium oxide and a perovskite structure.
  • the metal electrode 125 is formed on the absorbing layer 123.
  • the metal electrode 125 may be made of metal such as Pt, Au, Ni, Cu, Ag, In, Ru, Pd, Rh, Ir, and Os.
  • Holes generated in the absorption layer 123 may flow through the metal electrode 125.
  • the metal electrode 125 is connected to the transparent electrode included in the second perovskite solar cell, and includes a connecting portion 125a for electrically connecting the first and second perovskite solar cells. do.
  • connection part 140 is connected to the transparent electrode 121 included in the second perovskite solar cell 130.
  • the first and second perovskite solar cells 120 and 130 are electrically connected to each other. That is, the connection unit 140 connects the first and second perovskite solar cells 120 and 130 in series.
  • the perovskite solar cell module 100 including the first and second perovskite solar cells 120 and 130 is formed.
  • connection part 140 may have a shape extending in a vertical direction with respect to the upper surface of the transparent substrate 121.
  • the connection part 140 is formed along sidewalls of the hole conductive layer 124 included in the first perovskite solar cell 120.
  • the connection part 140 may be connected to an upper surface of the transparent electrode 121 included in the second perovskite solar cell 130.
  • the hole conductive layer 124 is interposed between the absorbing layer 123 and the metal electrode 125.
  • the hole conductive layer 124 may effectively transfer holes (holes) generated in the absorbing layer 123 to the metal electrode 125.
  • the hole conductive layer 124 includes an insulating portion 124a interposed between the absorbing layer and the connection portion.
  • the insulating part 124a may electrically insulate the absorbing layer from the connection part.
  • the insulating portion 124a directly contacts the side of the absorbing layer 123a to increase an effective area through which holes (holes) can move between the hole conductive layer 124 and the absorbing layer 123.
  • holes generated in the absorption layer 123 may effectively move to the metal electrode 125 through the hole conductive layer 124.
  • the hole conductive layer 124 may include a single molecule or a polymer hole transport material, but is not limited thereto.
  • spiro-MeOTAD (2,2 ', 7'-tetrakis- (N, N-di-p-methoxyphenyl-amine) -9,9'spirobifluorene) may be used as the monomolecular hole transport material.
  • the hole conductive layer 124 may further include a Li-based dopant, a Co-based dopant, or both a Li-based dopant and a Co-based dopant as a doping material.
  • the hole conductive layer 124 may further include an additive such as tBP.
  • tBP a mixture of spiro-MeOTAD, tBP, and Li-TFSI may be used as a material constituting the hole conductive layer 124.
  • the first solar cell 120 may further include a blocking layer 122.
  • the blocking layer 122 is interposed between the transparent electrode 121 and the absorbing layer 123.
  • the electrons generated in the absorbing layer 123 should move to the transparent electrode 121, but the electrons may not return to the transparent electrode 121, but may return to the absorbing layer 123. That is, the blocking layer 122 may improve the photoelectric conversion efficiency by allowing electrons to easily move to the transparent electrode 121.
  • the blocking layer 122 may include titanium oxide.
  • the blocking layer 120 may be made of a material having an anatease structure. As a result, the blocking layer 122 may have excellent photocatalytic properties.
  • the second solar cell 130 is formed in the second cell region 112 on the transparent substrate 110.
  • the second solar cell 130 may have a structure substantially the same as that of the first solar cell 120.
  • the absorption layer 123 included in the first perovskite solar cell is an extension part electrically connected to the transparent electrode included in the second perovskite solar cell ( 123a).
  • the absorption layer 123 may have a '-' shape when viewed in cross section.
  • the extension part 123a may be interposed between the insulating part 125a and the blocking layer 122.
  • the extension part 123a included in the absorbing layer 123 may suppress electrons moving in the blocking layer 122 from moving to the extension part 123a to generate a leakage current.
  • FIG. 2 is a cross-sectional view illustrating a perovskite solar cell module according to an embodiment of the present invention.
  • the solar cell module 100 includes a transparent substrate 110 and solar cells 120 and 130.
  • the solar cell module has a structure substantially the same as that of the transparent substrate 110 and the solar cells 120 and 130 included in the solar cell module described with reference to FIG. 1. However, the difference will be described in detail.
  • An end portion of the insulating portion 124a is connected to the transparent substrate.
  • an extension portion 123a and an end thereof are connected with the transparent substrate.
  • FIG. 3 is a cross-sectional view illustrating a perovskite solar cell module according to an embodiment of the present invention.
  • a solar cell module 100 includes a transparent substrate 110 and solar cells 120 and 130.
  • the solar cell module has a structure substantially the same as that of the transparent substrate 110 and the solar cells 120 and 130 included in the solar cell module described with reference to FIG. 2.
  • Each of the solar cells included in the solar cell module 100 according to an embodiment of the present invention further includes a shunt suppression unit 150 interposed between the sidewall of the absorbing layer 123 and the insulating unit 124a. .
  • the edge portion 124a When the edge portion 124a has a relatively thin thickness, an insulation effect between the absorbing layer 123 and the connecting portion 125a may be reduced.
  • the shunt suppressor 150 is interposed between the sidewall of the absorber layer 123 and the insulating part 124a to suppress electrons formed in the absorber layer 123 from moving directly to the connection part 140. .
  • the shunt suppression layer 150 may suppress leakage current that may occur in the solar cell module 100.
  • FIG. 4 is a cross-sectional view illustrating a perovskite solar cell module according to an embodiment of the present invention.
  • the solar cell module 100 is a transparent substrate 110, the first solar cell 120, the second solar cell 130, the connecting portion 140 and And a shunt suppression film 150.
  • the transparent substrate 110 may include a glass substrate or a polymer substrate. Outside sunlight may be incident on the bottom surface of the transparent substrate 110.
  • the transparent substrate 110 may be divided into a plurality of cell regions 111 and 112.
  • the transparent substrate is divided into a first cell region 111 and a second cell region 112.
  • Each of the cell regions 111 and 112 may be formed with perovskite solar cells.
  • the first solar cell 120 is formed in the first cell region 111 on the transparent substrate 110.
  • the first solar cell 120 generates power by performing photoelectric conversion using sunlight incident through the transparent substrate 110.
  • the first solar cell 120 includes a transparent electrode 121, an absorption layer 123, and a metal electrode 125.
  • the transparent electrode 121 is formed on the transparent substrate 110.
  • the transparent electrode 121 may be formed of a transparent conductive oxide such as, for example, ITO, FTO, ZnO, ATO, PTO, AZO, or IZO. Electrons generated by the photoelectric effect may flow from the absorption layer 123 to the transparent electrode 121.
  • the absorbing layer 123 is formed on the transparent electrode 121.
  • the absorption layer 123 absorbs sunlight to form a carrier pair of electrons and holes through a photoelectric effect.
  • the absorption layer 123 is made of a material having a perovskite structure.
  • the absorbing layer 123 may be formed of a material having a titanium oxide and a perovskite structure.
  • the metal electrode 125 is formed on the absorbing layer 123.
  • the metal electrode 125 may be made of metal such as Pt, Au, Ni, Cu, Ag, In, Ru, Pd, Rh, Ir, and Os.
  • Holes generated in the absorption layer 123 may flow through the metal electrode 125.
  • the first solar cell 120 including the transparent electrode 121, the absorbing layer 123, and the metal electrode 125 may be independently driven.
  • the first solar cell 120 may further include a blocking layer 122 and a hole conductive layer 124.
  • the blocking layer 122 is interposed between the transparent electrode 121 and the absorbing layer 123.
  • the electrons generated in the absorbing layer 123 should move to the transparent electrode 121, but the electrons may not return to the transparent electrode 121, but may return to the absorbing layer 123. That is, the blocking layer 122 may improve the photoelectric conversion efficiency by allowing electrons to easily move to the transparent electrode 121.
  • the blocking layer 122 may include titanium oxide.
  • the blocking layer 120 may be made of a material having an anatease structure. As a result, the blocking layer 122 may have excellent photocatalytic properties.
  • the hole conductive layer 124 is interposed between the absorbing layer 123 and the metal electrode 125.
  • the hole conductive layer 124 may effectively transfer holes (holes) generated in the absorbing layer 123 to the metal electrode 125.
  • the hole conductive layer 124 may include a single molecule or a polymer hole transport material, but is not limited thereto.
  • spiro-MeOTAD (2,2 ', 7'-tetrakis- (N, N-di-p-methoxyphenyl-amine) -9,9'spirobifluorene) may be used as the single molecule hole transport material.
  • the hole conductive layer 124 may further include a Li-based dopant, a Co-based dopant, or both a Li-based dopant and a Co-based dopant as a doping material.
  • the hole conductive layer 124 may further include an additive such as tBP.
  • tBP a mixture of spiro-MeOTAD, tBP, and Li-TFSI may be used as a material constituting the hole conductive layer 124.
  • the second solar cell 130 is formed in the second cell region 112 on the transparent substrate 110.
  • the second solar cell 130 may have a structure substantially the same as that of the first solar cell 120.
  • the connection part 140 may include the metal electrode 125 included in the first perovskite solar cell 120 and the transparent electrode 121 included in the second perovskite solar cell 130. Interconnect. As a result, the first and second perovskite solar cells 120 and 130 are electrically connected to each other. That is, the connection unit 140 connects the first and second perovskite solar cells 120 and 130 in series. As a result, the perovskite solar cell module 100 including the first and second perovskite solar cells 120 and 130 is formed.
  • connection part 140 may be made of the same material as the metal electrode 125. That is, the connection part 140 may be formed at the same time as the metal electrode 125.
  • connection part 140 may have a shape extending in a vertical direction with respect to the upper surface of the transparent substrate 121.
  • the connection part 140 may include an end portion of the metal electrode 125 and the second perovskite solar cell along the sidewall of the absorbing layer 123 included in the first perovskite solar cell 120. It may be connected to the top surface of the transparent electrode 121 included in 130.
  • the shunt suppression layer 150 is interposed between the connecting portion 140 and the absorbing layer 123.
  • the shunt suppression layer 150 suppresses electrons formed in the absorption layer 123 from directly moving to the connection unit 140. As a result, the shunt suppression layer 150 may suppress leakage current that may occur in the solar cell module 100.
  • the absorption layer 123 included in the first and second perovskite solar cells is formed through a patterning process such as a laser process or a scribing process. Damage may occur on side surfaces of the absorber layer 123 during the patterning process. In this case, the shunt suppression layer 150 may mitigate damage occurring on the exposed side of the absorbing layer 123 during the patterning process.
  • the shunt suppression layer 150 may be formed by deteriorating the side of the absorbing layer 123 exposed during the patterning process. That is, the shunt suppression layer 150 may be formed by applying heat to the absorption layer 123. As a result, the shunt suppression layer 150 may extend vertically along the side of the absorber layer 123.
  • the shunt suppression layer 150 may be formed through a deposition process to have a diffusion distance shorter than that of the absorption layer 123.
  • the absorbing layer 123 may have an L shape when viewed in cross section.
  • the absorption layer 123 may cover the side of the blocking layer 122 to contact the upper surface of the transparent electrode 121 included in the second perovskite solar cell 130.
  • the shunt suppression layer 150 formed by deteriorating the exposed sidewall of the absorbing layer 123 is formed to cover the side of the absorbing layer 123 as a whole and covers the blocking layer 122 and the connecting portion 140. Insulate electrically. Accordingly, the shunt suppression layer 150 may suppress electrons from moving from the blocking layer 122 to the connection part 140.
  • FIG. 5 is a cross-sectional view for describing a perovskite solar cell module according to an embodiment of the present invention.
  • the solar cell module 100 may include a transparent substrate 110, a first solar cell 120, a second solar cell 130, a connection unit 140, and And a shunt suppression film 150.
  • the solar cell module is substantially the same as the transparent substrate 110, the first solar cell 120, the second solar cell 130, and the connection unit 140 included in the solar cell module described with reference to FIG. 1. Has a structure.
  • the shunt suppression layer 150 is interposed between the connecting portion 140 and the absorbing layer 123.
  • the shunt suppression layer 150 suppresses electrons formed in the absorption layer 123 from directly moving to the connection unit 140. As a result, the shunt suppression layer 150 may suppress leakage current that may occur in the solar cell module.
  • the absorption layer 123 included in the first and second perovskite solar cells is formed through a patterning process such as a laser process or a scribing process. Damage may occur on the exposed side of the absorbing layer 123 during the patterning process.
  • the shunt suppression layer 150 may alleviate damage occurring on the side surface of the absorbing layer 123 during the patterning process.
  • the shunt suppression layer 150 may be formed by depositing a dielectric material on the side of the absorbing layer 123 exposed during the patterning process. That is, after the patterning process, the shunt suppression layer 150 may be provided by forming a dielectric using a dielectric material.
  • the shunt suppression layer 150 may be made of a material such as TiO 2 , SiNx, Al 2 O 3 , SiOx, intrinsic amorphous silicon, HfOx, ZrOx, or ZnS.
  • the shunt suppression layer 150 may be interposed between the connection part 140 and the hole conductive layer 124 and between the connection part 140 and the blocking layer 122.
  • the shunt suppression layer may suppress leakage current from which electrons move from the blocking layer 122 to the connection part 140.
  • the insulating part included in the hole conductive layer may be interposed between the connection part included in the metal electrode and the absorbing layer to prevent the electrons formed in the absorbing layer from moving to the connection part.
  • a shunt suppression film is provided between the connecting portion and the absorbing layer to suppress electrons formed in the absorbing layer from moving to the connecting portion.
  • the damage and the shunt which arise at the time of manufacturing a perovskite solar cell module can be suppressed.
  • the efficiency of the perovskite solar cell module can be increased.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Photovoltaic Devices (AREA)

Abstract

La présente invention porte sur un module de cellule solaire de type pérovskite qui comprend : un substrat transparent divisé en une première région de cellule et une seconde région de cellule ; et de première et seconde cellules solaires de type perovskite qui sont respectivement formées sur les première et seconde régions de cellule sur le substrat transparent. Les première et seconde cellules solaires de type pérovskite comprennent : une électrode transparente ; une couche d'absorption constituée d'une matière pérovskite ; une électrode métallique à laquelle des trous sont injectés depuis la couche d'absorption ; et une couche de conduction de trous, interposée entre la couche d'absorption et l'électrode métallique, pour transporter les trous vers l'électrode métallique. L'électrode métallique comprend une partie de connexion, connectée à l'électrode transparente incluse dans la seconde cellule solaire de type pérovskite, pour connecter électriquement les première et seconde cellules solaires de type pérovskite. La couche de conduction de trous comprend une partie isolante, interposée entre la couche d'absorption et la partie de connexion, pour isoler électriquement la couche d'absorption vis-à-vis de la partie de connexion.
PCT/KR2016/003378 2015-05-18 2016-04-01 Module de cellules solaires de type pérovskite Ceased WO2016186317A1 (fr)

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CN115117244A (zh) * 2021-03-23 2022-09-27 株式会社理光 太阳能电池模块
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CN108987586A (zh) * 2017-06-02 2018-12-11 颜步 一种钙钛矿太阳能电池组件及其制备方法
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CN107611265B (zh) * 2017-08-18 2019-12-20 上海黎元新能源科技有限公司 一种单节钙钛矿太阳能电池及其模块结构
WO2019070977A1 (fr) 2017-10-04 2019-04-11 Alliance For Sustainable Energy, Llc Dispositifs à pérovskite et leurs procédés de fabrication
EP3692582A4 (fr) * 2017-10-04 2021-06-02 Alliance for Sustainable Energy, LLC Dispositifs à pérovskite et leurs procédés de fabrication
EP3857623A4 (fr) * 2018-09-28 2021-12-22 Ricoh Company, Ltd. Module de cellules solaires
WO2020096853A1 (fr) 2018-11-08 2020-05-14 Swift Solar Inc. Interconnexions stables de modules de pérovskite
US11728450B2 (en) 2018-11-08 2023-08-15 Swift Solar Inc. Stable perovskite module interconnects
US11329177B2 (en) 2018-11-08 2022-05-10 Swift Solar Inc Stable perovskite module interconnects
EP3878018A4 (fr) * 2018-11-08 2022-03-02 Swift Solar Inc. Interconnexions stables de modules de pérovskite
EP3896750A4 (fr) * 2018-12-28 2022-03-02 Wuxi Utmost Light Technology Co., Ltd. Module solaire à couches en pérovskite et son procédé de fabrication
US20220044878A1 (en) * 2018-12-28 2022-02-10 Wuxi Utmost Light Technology Co., Ltd. Perovskite film solar module and manufacturing method therefor
US11631777B2 (en) 2019-03-11 2023-04-18 Swift Solar Inc. Integration of bypass diodes within thin film photovoltaic module interconnects
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KR102636393B1 (ko) * 2019-07-16 2024-02-13 가부시키가이샤 리코 태양 전지 모듈, 전자 기기, 및 전원 모듈
US12029052B2 (en) 2019-07-16 2024-07-02 Ricoh Company, Ltd. Solar cell module, electronic device, and power supply module
CN115117244A (zh) * 2021-03-23 2022-09-27 株式会社理光 太阳能电池模块
EP4064355A1 (fr) * 2021-03-23 2022-09-28 Ricoh Company, Ltd. Module de cellule solaire
TWI761239B (zh) * 2021-06-24 2022-04-11 台灣中油股份有限公司 鈣鈦礦太陽能模組及其製備方法
US12094663B2 (en) 2021-09-30 2024-09-17 Swift Solar Inc. Bypass diode interconnect for thin film solar modules
US12154727B2 (en) 2022-12-22 2024-11-26 Swift Solar Inc. Integrated bypass diode schemes for solar modules
CN116093185A (zh) * 2023-01-18 2023-05-09 华南理工大学 一种基于钙钛矿材料的光伏发光特种玻璃及其制备方法
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