CN107742611A - Perovskite solar cell electroluminescent method of testing based on rare earth luminescent material - Google Patents
Perovskite solar cell electroluminescent method of testing based on rare earth luminescent material Download PDFInfo
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- CN107742611A CN107742611A CN201710927543.1A CN201710927543A CN107742611A CN 107742611 A CN107742611 A CN 107742611A CN 201710927543 A CN201710927543 A CN 201710927543A CN 107742611 A CN107742611 A CN 107742611A
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- solar cell
- perovskite solar
- luminescent material
- rare earth
- perovskite
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L22/00—Testing or measuring during manufacture or treatment; Reliability measurements, i.e. testing of parts without further processing to modify the parts as such; Structural arrangements therefor
- H01L22/10—Measuring as part of the manufacturing process
- H01L22/12—Measuring as part of the manufacturing process for structural parameters, e.g. thickness, line width, refractive index, temperature, warp, bond strength, defects, optical inspection, electrical measurement of structural dimensions, metallurgic measurement of diffusions
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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
- H10K30/151—Sensitised wide-bandgap semiconductor devices, e.g. dye-sensitised TiO2 the wide bandgap semiconductor comprising titanium oxide, e.g. TiO2
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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
- H10K71/70—Testing, e.g. accelerated lifetime tests
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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
Abstract
The invention discloses a kind of perovskite solar cell electroluminescent method of testing based on rare earth luminescent material, by applying rare earth luminescent material on perovskite solar cell piece front packaged glass surface, by its electroluminescent near infrared light conversion in visible-range, using general camera and darkroom is not needed to carry out perovskite solar cell electroluminescent experiment test.Using the present invention, the electroluminescent of perovskite solar cell need not use special near infrared camera when testing and set corresponding darkroom, the electroluminescent test of perovskite solar cell and research can be carried out using general camera, and rare earth luminescent material wavelength convert has higher and relatively stable conversion efficiency, it is simple in construction, it is easy to operate, reliable results.
Description
Technical field
The present invention relates to a kind of perovskite solar cell electroluminescent method of testing based on rare earth luminescent material, belong to thin
Membrane module detection technique field.
Background technology
Solar energy power generating is a kind of effective means for the energy and environment for solving the problems, such as current getting worse, nearest
In several years, new perovskite solar cell obtains fast development, and its highest photoelectric transformation efficiency has reached more than 20%, although
Perovskite efficiency of solar cell is constantly being lifted, and in the preparation of perovskite solar cell, often causes electricity because spin coating is improper
Pond piece, compound, the non-radiative recombination of electron-hole pair, the defects of russian is compound, it is the pass for influenceing perovskite efficiency of solar cell
One of key factor.The detection Main Basiss to this defect are the electro optical phenomena of solar cell at present, according to perovskite
The Difference test of luminosity goes out defect after solar cell piece is powered, and is analyzed.But due to based on CH3NH3PbI3Perovskite
The electroluminescent wave-length coverage of solar cell is in 700nm -850nm, and cell area is smaller, it is necessary to be equipped with the CCD of specialty
Near-infrared camera is shot, and is needed to establish special darkroom and tested, and general structure is complicated, and inconvenient for operation.
The content of the invention
The technical problems to be solved by the invention are the defects of overcoming prior art, there is provided one kind is based on rare earth luminescent material
Perovskite solar cell electroluminescent method of testing, reduced by wavelength, realize under visible light high reliability to calcium titanium
The detection of ore deposit solar cell piece.
In order to solve the above technical problems, a kind of perovskite solar cell based on rare earth luminescent material of present invention offer is electroluminescent
Luminous method of testing, comprises the following steps：
1）Prepare some perovskite solar cell pieces；
2）A piece of photoelectric transformation efficiency highest is chosen from the perovskite solar cell piece of preparation, is positioned on work top, leads to
Wire is crossed to be attached power supply and selected perovskite cell piece；
3）Upper table surface glass and following table surface glass are encapsulated respectively on the upper and lower surface of perovskite solar cell piece；
4）By rare earth luminescent material coating on the upper table surface glass of perovskite solar cell piece；
5）According to the open-circuit voltage Voc of perovskite solar cell piece, voltage is applied to cell piece both ends using power supply, applies voltage
Specifically scope is：Voc-Voc+0.2V；
6）Under voltage effect, near infrared light caused by electroluminescent passes through dilute on upper table surface glass perovskite solar cell piece
Native luminescent material shortens wavelength in visible-range, using general camera to the perovskite cell piece after wavelength convert
Electroluminescent carries out detection of taking pictures, and completes the electroluminescent test of perovskite solar cell piece.
Foregoing step 1）, prepare perovskite solar cell piece and refer to, in electrically conducting transparent substrate using spin coating proceeding according to
It is secondary to prepare electron transfer layer, mesoporous layer, perovskite active layer, hole transmission layer, electrode.
The foregoing perovskite solar cell piece for preparing refers to, is sequentially prepared in electrically conducting transparent substrate using spin coating proceeding
TiO2Electron transfer layer, TiO2Mesoporous layer, CH3NH3PbI3Perovskite active layer, Spiro hole transmission layers, Ag electrodes.
Foregoing step 2）, choose perovskite solar cell piece and refer to, under the same conditions, test prepared perovskite
I-V characteristic curve of the solar cell piece under certain illumination, photoelectric transformation efficiency and fill factor, curve factor are calculated, choose opto-electronic conversion effect
The a piece of perovskite solar cell piece of rate highest.
Foregoing step 4）In, rare earth luminescent material is near-infrared fluorescent powder.
The forming method of foregoing rare earth luminescent material coating be take 3g near-infrared fluorescents powder and 12g makrolon according to
1:4 ratio is mixed evenly, and then passes through the side of spin coating on the upper table surface glass of perovskite solar cell front encapsulation
Formula is coated, and is uniformly distributed colloid mixture, is then placed on 70 DEG C of solidifications on warm table, is formed coating.
The thickness of foregoing coating chooses 0.5mm-1mm.
The beneficial effect that is reached of the present invention is：
The present invention by the electroluminescent to the perovskite cell piece after rare earth luminescent material is changed carries out detection of taking pictures, can
See under light, it is i.e. detectable using general camera, and rare earth luminescent material conversion efficiency is stable, and operation is simple and reliable, for research
Perovskite solar cell preparation technology engineering provides reliably characterization method, the design to efficient perovskite solar cell and
Exploitation has great importance.
Brief description of the drawings
Fig. 1 is perovskite solar cell piece test device figure in the present invention；
Fig. 2 is the flow chart of the perovskite solar cell electroluminescent method of testing based on rare earth luminescent material of the present invention.
Embodiment
The invention will be further described with reference to the accompanying drawings and detailed description.Following examples are only used for more clear
Illustrate to Chu technical scheme, and can not be limited the scope of the invention with this.
The perovskite solar cell electroluminescent method of testing based on rare earth luminescent material of the present invention, such as Fig. 1 and Fig. 2 institutes
Show, it is specific as follows：
1）Electron transfer layer, mesoporous layer, perovskite active layer, hole are sequentially prepared using spin coating proceeding in electrically conducting transparent substrate
Transport layer, electrode, some perovskite solar cell pieces are prepared, choose opto-electronic conversion in prepared perovskite solar cell piece and imitate
Higher a piece of of rate, after cell piece is packaged, is positioned on work top 2, by wire 7 by power supply 8 and perovskite electricity
Pond piece 5 is attached；
2）Upper table surface glass 4 and following table surface glass 6 are encapsulated respectively on the upper and lower surface of perovskite solar cell；
3）Using rare earth luminescent material, 700nm-1300nm near-infrared wavelength can be converted to visible ray, by near-infrared fluorescent
The coating of powder 3 is on the upper table surface glass 4 of perovskite solar cell；
4) according to the open-circuit voltage Voc of perovskite solar cell piece, select corresponding power supply to apply voltage to battery both ends, apply
For voltage swing slightly larger than open-circuit voltage is equal to, specific scope is about Voc-Voc+0.2V； 5）Perovskite solar cell electroluminescent
Caused near infrared light is shortened wavelength in visible-range by rare earth luminescent material, using general camera 1 to by turning
Perovskite cell piece electroluminescent after changing carries out detection of taking pictures, and completes the electroluminescent test of perovskite solar cell.
Preferably, rare earth luminescent material of the invention is near-infrared fluorescent powder.
Step 3）In, the forming method of rare earth luminescent material coating be take 3g near-infrared fluorescents powder and 12g makrolon by
According to 1:4 ratio is mixed evenly, and then takes and passes through in right amount on the upper table surface glass of perovskite solar cell front encapsulation
The mode of spin coating is coated, and is uniformly distributed colloid mixture, after be placed on warm table 70 DEG C of solidifications, form 0.5mm-1mm's
Conversion coating.
After the completion of coating, based on CH3NH3PbI3Perovskite solar cell electroluminescence wavelength 700nm-850nm it
Between.
Embodiment
Selection prepares high performance perovskite solar battery sheet, power supply is connected, using general visible camera to calcium titanium
Ore deposit solar cell carries out electroluminescent test.Concrete operations are as follows：
1）Prepare perovskite solar battery sheet：TiO is sequentially prepared using spin coating proceeding in electrically conducting transparent substrate2Electric transmission
Layer, TiO2Mesoporous layer, CH3NH3PbI3Perovskite active layer, Spiro hole transmission layers, Ag electrodes.
2）Choose a piece of high performance calcium titanium ore solar battery sheet：Under the same conditions, some perovskite solar energy are prepared
Cell piece, the I-V characteristic curve of the perovskite solar battery sheet under certain illumination is tested, its opto-electronic conversion effect is calculated
The parameters such as rate, fill factor, curve factor, the of a relatively high a piece of perovskite solar battery sheet of Selecting All Parameters.
3）After the perovskite solar battery sheet of selection is packaged using the method for glass upper and lower surface clamping, nearly
IR fluorescence powder is dispersed in photoresists, is carried out spin coating on perovskite solar battery sheet front packaged glass surface, is made fluorescence
Slurry is uniformly distributed.
4）According to the open-circuit voltage of perovskite solar cell piece, select corresponding power supply to apply voltage to battery both ends, apply
For making alive size slightly larger than open-circuit voltage is equal to, specific scope is about Voc-Voc+0.2V.
5）Near infrared light caused by perovskite solar cell electroluminescent is converted to visible ray by rare earth luminescent material, profit
Taken pictures detection with common camera, complete the electroluminescent test experience of perovskite solar cell.
Claims (7)
1. the perovskite solar cell electroluminescent method of testing based on rare earth luminescent material, it is characterised in that including following step
Suddenly：
1）Prepare some perovskite solar cell pieces；
2）A piece of photoelectric transformation efficiency highest is chosen from the perovskite solar cell piece of preparation, is positioned on work top, leads to
Wire is crossed to be attached power supply and selected perovskite cell piece；
3）Upper table surface glass and following table surface glass are encapsulated respectively on the upper and lower surface of perovskite solar cell piece；
4）By rare earth luminescent material coating on the upper table surface glass of perovskite solar cell piece；
5）According to the open-circuit voltage Voc of perovskite solar cell piece, voltage is applied to cell piece both ends using power supply, applies voltage
Specifically scope is：Voc-Voc+0.2V；
6）Under voltage effect, near infrared light caused by electroluminescent passes through dilute on upper table surface glass perovskite solar cell piece
Native luminescent material shortens wavelength in visible-range, using general camera to the perovskite cell piece after wavelength convert
Electroluminescent carries out detection of taking pictures, and completes the electroluminescent test of perovskite solar cell piece.
2. the perovskite solar cell electroluminescent method of testing according to claim 1 based on rare earth luminescent material, its
It is characterised by, the step 1）, prepare perovskite solar cell piece and refer to, in electrically conducting transparent substrate using spin coating proceeding successively
Prepare electron transfer layer, mesoporous layer, perovskite active layer, hole transmission layer, electrode.
3. the perovskite solar cell electroluminescent method of testing according to claim 2 based on rare earth luminescent material, its
It is characterised by, the perovskite solar cell piece for preparing refers to, is sequentially prepared in electrically conducting transparent substrate using spin coating proceeding
TiO2Electron transfer layer, TiO2Mesoporous layer, CH3NH3PbI3Perovskite active layer, Spiro hole transmission layers, Ag electrodes.
4. the perovskite solar cell electroluminescent method of testing according to claim 1 based on rare earth luminescent material, its
It is characterised by, the step 2）, choose perovskite solar cell piece and refer to, under the same conditions, test prepared perovskite
I-V characteristic curve of the solar cell piece under certain illumination, photoelectric transformation efficiency and fill factor, curve factor are calculated, choose opto-electronic conversion effect
The a piece of perovskite solar cell piece of rate highest.
5. the perovskite solar cell electroluminescent method of testing according to claim 1 based on rare earth luminescent material, its
It is characterised by, the step 4）In, rare earth luminescent material is near-infrared fluorescent powder.
6. the perovskite solar cell electroluminescent method of testing according to claim 5 based on rare earth luminescent material, its
It is characterised by, the forming method of the rare earth luminescent material coating is to take 3g near-infrared fluorescents powder with 12g makrolon according to 1:
4 ratio is mixed evenly, then on the upper table surface glass of perovskite solar cell front encapsulation by way of spin coating
It is coated, is uniformly distributed colloid mixture, is then placed on 70 DEG C of solidifications on warm table, forms coating.
7. the perovskite solar cell electroluminescent method of testing according to claim 6 based on rare earth luminescent material, its
It is characterised by, the thickness of the coating chooses 0.5mm-1mm.
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| CN201710927543.1A CN107742611B (en) | 2017-10-09 | 2017-10-09 | Perovskite solar cell electroluminescence test method based on rare earth luminescent material |
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| CN201710927543.1A CN107742611B (en) | 2017-10-09 | 2017-10-09 | Perovskite solar cell electroluminescence test method based on rare earth luminescent material |
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| CN107742611B CN107742611B (en) | 2020-07-14 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101864312A (en) * | 2009-08-13 | 2010-10-20 | 上海大学 | Polymer-rare earth up-conversion phosphor composite dielectric material for holographic display and preparation method thereof |
| CN104135230A (en) * | 2014-08-07 | 2014-11-05 | 鹤壁国立光电科技有限公司 | Solar cell module EL testing device and method under visible light |
| CN105355761A (en) * | 2014-09-18 | 2016-02-24 | 中山大学 | LED phosphor packaging structure with uniform light colors and transparent die therefor |
| CN106229411A (en) * | 2016-08-02 | 2016-12-14 | 天津工业大学 | A kind of perovskite solar cell of backlight substrate and preparation method thereof |
-
2017
- 2017-10-09 CN CN201710927543.1A patent/CN107742611B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101864312A (en) * | 2009-08-13 | 2010-10-20 | 上海大学 | Polymer-rare earth up-conversion phosphor composite dielectric material for holographic display and preparation method thereof |
| CN104135230A (en) * | 2014-08-07 | 2014-11-05 | 鹤壁国立光电科技有限公司 | Solar cell module EL testing device and method under visible light |
| CN105355761A (en) * | 2014-09-18 | 2016-02-24 | 中山大学 | LED phosphor packaging structure with uniform light colors and transparent die therefor |
| CN106229411A (en) * | 2016-08-02 | 2016-12-14 | 天津工业大学 | A kind of perovskite solar cell of backlight substrate and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 王磊等: "《太阳能电池方阵最佳倾角及南北步进跟踪研究》", 《中国电力》 * |
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