CN215220756U - Mesoscopic perovskite solar cell - Google Patents
Mesoscopic perovskite solar cell Download PDFInfo
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- CN215220756U CN215220756U CN202121268524.0U CN202121268524U CN215220756U CN 215220756 U CN215220756 U CN 215220756U CN 202121268524 U CN202121268524 U CN 202121268524U CN 215220756 U CN215220756 U CN 215220756U
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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
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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- Y02E10/549—Organic PV cells
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Abstract
The utility model discloses a mesoscopic perovskite solar cell belongs to the solar cell field, include from up transparent conducting layer, mesoporous electron transport layer, mesoporous insulating layer and the mesoporous electrode that sets gradually down, the mesoporous electrode is used for the increase absorption spectrum, and the mesoporous structure intussuseption of mesoporous electron transport layer, mesoporous insulating layer and mesoporous electrode is filled with the perovskite material, and the perovskite material can be colored perovskite material, also can be for black perovskite material. The mesoporous structure is introduced into the solar cell, the electrode of the mesoporous structure has high transparency, strong conductivity and high sunlight utilization rate, and the photoelectric conversion efficiency and stability of the solar cell are improved. The band gap of the perovskite can be adjusted by changing the components of the perovskite material, so that the color of the perovskite can be adjusted, the colored transparent mesoscopic perovskite solar cell can be obtained, and the colored glass with the power generation function can be further formed.
Description
Technical Field
The utility model belongs to the solar cell field, more specifically relates to a mesoscopic perovskite solar cell.
Background
With the increasing depletion of energy resources worldwide and the increasing demand for renewable sustainable energy, multifunctional application-type solar cells are developed, for example, transparent solar cells are widely used in building integrated photovoltaics, wearable electronic devices, energy-saving color display technologies, power generation windows, and the like.
Perovskite batteries have attracted public attention because of their advantages such as wide forbidden band width, high light absorption coefficient, high photoelectric conversion efficiency, and low preparation cost. The flat-plate perovskite solar cell is a common perovskite solar cell, and the photoelectric conversion efficiency of the flat-plate perovskite solar cell is high. However, the flat perovskite solar cell has the problems of poor stability, high preparation cost, incapability of large-area preparation and the like, and the popularization and application of the flat perovskite solar cell are seriously influenced. In order to put perovskite solar cells into practical use, it is necessary to reduce the production cost of the cells and to improve the photoelectric conversion efficiency and stability thereof, which is also a concern to those skilled in the art.
SUMMERY OF THE UTILITY MODEL
To prior art's defect and improvement demand, the utility model provides a mesoscopic perovskite solar cell, its aim at improves solar cell's photoelectric conversion efficiency and stability.
In order to achieve the above object, according to an aspect of the present invention, there is provided a mesoscopic perovskite solar cell, including from bottom to top transparent conducting layer, mesoporous electron transport layer, mesoporous insulating layer and mesoporous electrode that the stratiform set up in proper order, it has perovskite material to fill in mesoporous electron transport layer, mesoporous insulating layer and the mesoporous electrode.
Still further, the perovskite material is a colored perovskite material, and the mesoscopic perovskite solar cell is a transparent mesoscopic perovskite solar cell.
Still further, the perovskite material is a black perovskite material and the mesoscopic perovskite solar cell is an opaque mesoscopic perovskite solar cell.
Still further, the display device further comprises a glass substrate, wherein the glass substrate is arranged below the transparent conducting layer.
Further, the mesoporous electrode is oxygenIndium tin oxide, conductive simple substance, In2O3、SnO2ZnO, cadmium oxide, titanium nitride, doped oxides or mixed oxides.
Further, the doped oxide is indium oxide (In) doped with tin (Sn)2O3) Zinc oxide (ZnO) doped with indium (In), zinc oxide (ZnO) doped with gallium (Ga), zinc oxide (ZnO) doped with aluminum (Al), tin oxide (SnO) doped with fluorine (F)2) Or titanium dioxide (TiO) doped with tantalum (Ta)2)。
Further, the mixed oxide is indium oxide (In)2O3) Mixture with zinc oxide (ZnO), cadmium indium oxide (CdIn)2O4) Cadmium tin oxide (Cd)2SnO4) Or zinc tin (Zn) oxide2SnO4)。
Furthermore, the conductive simple substance is Au, Ag, Cu, graphene or a carbon nano tube.
Generally, through the utility model discloses above technical scheme who conceives can gain following beneficial effect:
(1) compared with the existing flat plate structure which has harsh requirements on vegetation environment, the mesoporous structure has low requirements on preparation environment, simple preparation process, good repeatability and easy large-area preparation, in addition, the electrode of the mesoporous structure has high transparency, strong conductivity and high sunlight utilization rate, and improves the photoelectric conversion efficiency and stability of the solar cell;
(2) the band gap of the perovskite is adjusted by changing the components of the perovskite material, so that the color of the perovskite is adjusted, the colored transparent glass with the power generation function is obtained, and the colored transparent glass is expanded and applied to building integrated photovoltaic industry, power generation windows, multifunctional off-grid power supplies and roof power generation;
(3) the mesoporous electrode material is indium tin oxide which has high transmittance in a visible light region and an infrared region, is an excellent transparent electrode material, has the advantages of high crystallinity, light transmission, electric conduction and the like, solves the problem of light transmittance of the infrared part of the mesoscopic perovskite solar cell, realizes the transparence of the cell and widens the absorption spectrum of the cell.
Drawings
Fig. 1 is a schematic structural diagram of a mesoscopic perovskite solar cell provided in an embodiment of the present invention. The same reference numbers will be used throughout the drawings to refer to the same or like elements or structures, wherein:
1 is a glass substrate, 2 is a transparent conductive layer, 3 is a mesoporous electron transport layer, 4 is a mesoporous insulating layer, and 5 is a mesoporous electrode.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. Furthermore, the technical features mentioned in the embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.
In the present application, the terms "first," "second," and the like (if any) in the present application and the drawings are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order.
Fig. 1 is a schematic structural diagram of a mesoscopic perovskite solar cell provided in an embodiment of the present invention. Referring to fig. 1, the mesoscopic perovskite solar cell comprises a transparent conductive layer 2, a mesoporous electron transport layer 3, a mesoporous insulating layer 4 and a mesoporous electrode 5 which are sequentially arranged in a layered manner from bottom to top. The mesoporous electrode 5 can increase the absorption spectrum. The mesoporous electron transport layer 3, the mesoporous insulating layer 4 and the mesoporous electrode 5 are filled with perovskite materials.
The mesoscopic perovskite solar cell further comprises a glass substrate 1. The glass substrate 1 is disposed under the transparent conductive layer 2. In this embodiment, the mesoscopic perovskite solar cell does not include a hole transport layer. The hole transport layer is removed, so that the stability of the mesoscopic perovskite solar cell in the air is improved, the mesoscopic perovskite solar cell is easy to store, the manufacturing cost is low, and the mesoscopic perovskite solar cell is more convenient to manufacture.
One of the advantages of organic-inorganic hybrid perovskite materials is that the band gap is tunable. By forming APbX in perovskite material3Simple arrangement of organic cations or halide anions, the band gap of the perovskite can be adjusted in a wide range. Wherein, APbX3A in (A) is MA or FA, and X is I, Br or Cl. By adjusting the band gap of the perovskite, the light absorption range of the perovskite can be controlled, and the color of the perovskite can be changed, so that the color of the transparent perovskite battery can be changed.
In one embodiment of the present invention, the perovskite material is a color perovskite material, and the mesoscopic perovskite solar cell formed is a transparent mesoscopic perovskite solar cell. Furthermore, the transparent mesoscopic perovskite solar cell can be prepared into a color transparent glass cell with a power generation function.
In another embodiment of the present invention, the perovskite material is a black perovskite material, and the mesoscopic perovskite solar cell formed is an opaque mesoscopic perovskite solar cell.
The mesoporous electrode 5 may be indium tin oxide or a conductive simple substance, or may be In2O3、SnO2Transparent conductive oxides such as ZnO, cadmium oxide (CdO), doped oxides, and mixed oxides, and transparent conductive nitrides such as titanium nitride (TiN). The conductive simple substance is Au, Ag, Cu, graphene or carbon nano tube and the like. The doped oxide is In doped with Sn2O3(In2O3Sn), In-doped ZnO (ZnO: In), Ga-doped ZnO (ZnO: Ga), Al-doped ZnO (ZnO: Al), F-doped SnO2(SnO2F) or TiO doped with Ta2(TiO2Ta). The mixed oxide being In2O3Mixture with ZnO (In)2O3-ZnO)、CdIn2O4、Cd2SnO4Or Zn2SnO4。
When the mesoporous electrode 5 is made of indium tin oxide, the indium tin oxide is an n-type semiconductor, has a wide band gap of 4.3eV, has high transmittance in both a visible light region and an infrared region, is an excellent transparent electrode material, and has the advantages of high crystallinity, light transmission, electric conduction, and the like. The problem of light transmittance of the infrared part of the mesoscopic perovskite solar cell is solved due to high light transmittance, the cell is transparent, and the absorption spectrum of the cell is widened.
It will be understood by those skilled in the art that the foregoing is merely a preferred embodiment of the present invention, and is not intended to limit the invention to the particular forms disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims.
Claims (8)
1. The mesoscopic perovskite solar cell is characterized by comprising a transparent conducting layer (2), a mesoporous electron transmission layer (3), a mesoporous insulating layer (4) and a mesoporous electrode (5) which are sequentially arranged from bottom to top in a layered manner, wherein perovskite materials are filled in the mesoporous electron transmission layer (3), the mesoporous insulating layer (4) and the mesoporous electrode (5).
2. The mesoscopic perovskite solar cell of claim 1, wherein the perovskite material is a colored perovskite material and the mesoscopic perovskite solar cell is a transparent mesoscopic perovskite solar cell.
3. The mesoscopic perovskite solar cell of claim 1, wherein the perovskite material is a black perovskite material and the mesoscopic perovskite solar cell is an opaque mesoscopic perovskite solar cell.
4. The mesoscopic perovskite solar cell according to claim 1, further comprising a glass substrate (1), said glass substrate (1) being arranged below said transparent conductive layer (2).
5. The mesoscopic perovskite solar cell according to any of claims 1-4, characterized In that said mesoporous electrode (5) is indium tin oxide, a conductive element, In2O3、SnO2ZnO, cadmium oxide, titanium nitride, doped oxides or mixed oxides.
6. The mesoscopic perovskite solar cell of claim 5, wherein said doped oxide is indium oxide doped with tin, zinc oxide doped with indium, zinc oxide doped with gallium, zinc oxide doped with aluminum, tin oxide doped with fluorine, or titanium dioxide doped with tantalum.
7. The mesoscopic perovskite solar cell of claim 5, wherein said mixed oxide is cadmium indium oxide, cadmium tin oxide, or zinc tin oxide.
8. The mesoscopic perovskite solar cell of claim 5, wherein said conductive element is Au, Ag, Cu, graphene or carbon nanotubes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121268524.0U CN215220756U (en) | 2021-06-08 | 2021-06-08 | Mesoscopic perovskite solar cell |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121268524.0U CN215220756U (en) | 2021-06-08 | 2021-06-08 | Mesoscopic perovskite solar cell |
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| CN215220756U true CN215220756U (en) | 2021-12-17 |
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| CN202121268524.0U Active CN215220756U (en) | 2021-06-08 | 2021-06-08 | Mesoscopic perovskite solar cell |
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2021
- 2021-06-08 CN CN202121268524.0U patent/CN215220756U/en active Active
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