CN110212099A - A kind of preparation method of calcium titanium ore bed and solar battery - Google Patents
A kind of preparation method of calcium titanium ore bed and solar battery Download PDFInfo
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- CN110212099A CN110212099A CN201910427512.9A CN201910427512A CN110212099A CN 110212099 A CN110212099 A CN 110212099A CN 201910427512 A CN201910427512 A CN 201910427512A CN 110212099 A CN110212099 A CN 110212099A
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- 238000002360 preparation method Methods 0.000 title claims abstract description 49
- JTCFNJXQEFODHE-UHFFFAOYSA-N [Ca].[Ti] Chemical compound [Ca].[Ti] JTCFNJXQEFODHE-UHFFFAOYSA-N 0.000 title claims abstract description 46
- 238000002347 injection Methods 0.000 claims abstract description 27
- 239000007924 injection Substances 0.000 claims abstract description 27
- 239000007788 liquid Substances 0.000 claims abstract description 25
- 239000000463 material Substances 0.000 claims abstract description 24
- 239000000758 substrate Substances 0.000 claims description 101
- 229910052751 metal Inorganic materials 0.000 claims description 29
- 239000002184 metal Substances 0.000 claims description 29
- 239000010931 gold Substances 0.000 claims description 12
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 10
- 229910052737 gold Inorganic materials 0.000 claims description 10
- 239000010936 titanium Substances 0.000 claims description 9
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 7
- 229910052719 titanium Inorganic materials 0.000 claims description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 5
- 239000004411 aluminium Substances 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 239000002994 raw material Substances 0.000 claims description 5
- 239000004332 silver Substances 0.000 claims description 5
- 229910052709 silver Inorganic materials 0.000 claims description 5
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 26
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 32
- 239000011521 glass Substances 0.000 description 28
- 239000000243 solution Substances 0.000 description 10
- -1 alkalis Chemical compound 0.000 description 9
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical group O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 8
- 239000008367 deionised water Substances 0.000 description 8
- 229910021641 deionized water Inorganic materials 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 238000005245 sintering Methods 0.000 description 7
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 6
- 238000004528 spin coating Methods 0.000 description 6
- 239000010409 thin film Substances 0.000 description 6
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 6
- 229920001609 Poly(3,4-ethylenedioxythiophene) Polymers 0.000 description 5
- 238000004321 preservation Methods 0.000 description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- 238000007738 vacuum evaporation Methods 0.000 description 4
- MCEWYIDBDVPMES-UHFFFAOYSA-N [60]pcbm Chemical compound C123C(C4=C5C6=C7C8=C9C%10=C%11C%12=C%13C%14=C%15C%16=C%17C%18=C(C=%19C=%20C%18=C%18C%16=C%13C%13=C%11C9=C9C7=C(C=%20C9=C%13%18)C(C7=%19)=C96)C6=C%11C%17=C%15C%13=C%15C%14=C%12C%12=C%10C%10=C85)=C9C7=C6C2=C%11C%13=C2C%15=C%12C%10=C4C23C1(CCCC(=O)OC)C1=CC=CC=C1 MCEWYIDBDVPMES-UHFFFAOYSA-N 0.000 description 3
- 238000000137 annealing Methods 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 3
- 238000005538 encapsulation Methods 0.000 description 3
- 229910000480 nickel oxide Inorganic materials 0.000 description 3
- GNRSAWUEBMWBQH-UHFFFAOYSA-N oxonickel Chemical compound [Ni]=O GNRSAWUEBMWBQH-UHFFFAOYSA-N 0.000 description 3
- 230000027756 respiratory electron transport chain Effects 0.000 description 3
- 238000004544 sputter deposition Methods 0.000 description 3
- 239000004408 titanium dioxide Substances 0.000 description 3
- 239000011787 zinc oxide Substances 0.000 description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 235000019441 ethanol Nutrition 0.000 description 2
- 230000031700 light absorption Effects 0.000 description 2
- 238000012536 packaging technology Methods 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 239000002250 absorbent Substances 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 150000004820 halides Chemical class 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000004153 renaturation Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000005118 spray pyrolysis Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- VXUYXOFXAQZZMF-UHFFFAOYSA-N tetraisopropyl titanate Substances CC(C)O[Ti](OC(C)C)(OC(C)C)OC(C)C VXUYXOFXAQZZMF-UHFFFAOYSA-N 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 229910052724 xenon Inorganic materials 0.000 description 1
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 1
Classifications
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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
- H10K30/30—Organic devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation comprising bulk heterojunctions, e.g. interpenetrating networks of donor and acceptor material domains
-
- 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
- H10K71/10—Deposition of organic active material
- H10K71/12—Deposition of organic active material using liquid deposition, e.g. spin coating
-
- 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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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Photovoltaic Devices (AREA)
Abstract
The present invention provides the preparation methods of a kind of calcium titanium ore bed and solar battery.The preparation method of the calcium titanium ore bed includes: to prepare first electrode layer and the second electrode lay respectively；Wherein, the second electrode lay is provided with injection hole；First electrode layer and the second electrode lay are superimposed, and there are pre- fixed gaps；Perovskite material liquid is injected into injection hole, at 80 DEG C -180 DEG C, is heated 1h-100h, is formed calcium titanium ore bed in pre- fixed gap.The present invention also provides the preparation methods of the solar battery for the preparation step for including above-mentioned calcium titanium ore bed.The solar battery that method of the invention is prepared transfer efficiency with higher and stability.
Description
Technical field
The present invention relates to a kind of preparation method of solar battery more particularly to a kind of preparations of perovskite solar battery
Method belongs to technical field of solar batteries.
Background technique
Energy and environment problem is got worse at present, and solar power generation is to reduce environmental pollution, replace the one of traditional energy
The approach of item effective and safe.Perovskite solar battery emerging in recent years, advantage are very prominent: whole soln legal system can be achieved
Standby, preparation process is simple, at low cost；Charge diffusion length is up to micron order, and charge life is longer etc.；It can prepare flexible, transparent
Battery；Have many characteristics, such as that the big absorption coefficient of light, high carrier mobility and valence band are low, is a kind of very good light absorption
Material.Therefore, perovskite solar battery and associated materials have become photovoltaic art research direction, current perovskite solar energy
Battery have been obtained for be more than 23.3% photoelectric conversion efficiency, application prospect is very wide.
Traditional perovskite battery structure usually consists of three parts: transparent conductive substrate, the perovskite material bed of material, top are right
Electrode.In traditional architectures, among transparent conductive substrate and the perovskite material bed of material and to having in electrode and perovskite light-absorption layer
Electron transfer layer and charge transport layer.In the preparation of traditional big perovskite battery, small area perovskite battery generallys use rotation
Prepared by painting mode, this mode efficiency is higher, but is difficult to do big.And it is suitable for the large-scale non-spin application of perovskite component
Mode, such as slot coated, blade coating are difficult the uniform perovskite thin film of the higher large area of preparation efficiency, and both sides
Method requires the preparation of the preparation and top of subsequent upper layer charge transport layer to electrode, need to use vacuum evaporation, and sputtering etc. is multiple
General labourer's skill.
In addition the perovskite device stability of conventional method preparation is poor, this is difficult to traditional handicraft to prepare quality higher
Thick film has relationship, and needs subsequent packaging technology.
Summary of the invention
In order to solve the above-mentioned technical problem, the purpose of the present invention is to provide a kind of photoelectric conversion efficiency with higher and
The preparation method of the perovskite solar battery of stability.
In order to achieve the above technical purposes, the present invention provides a kind of preparations of the calcium titanium ore bed of perovskite solar battery
Method, the preparation method the following steps are included:
First electrode layer and the second electrode lay are prepared respectively；Wherein, the second electrode lay is provided with injection hole；
First electrode layer and the second electrode lay are superimposed, and there are pre- fixed gaps；Injection hole and pre- fixed gap connect
It is logical；
Perovskite material liquid is injected into injection hole, at 80 DEG C -180 DEG C, heats 1h-100h, in pre- fixed gap
To calcium titanium ore bed.
Calcium titanium ore bed in perovskite solar battery of the invention is prepared by fixture method, and the first electricity is utilized
Pole layer and the second electrode lay control the direction of growth of calcium titanium ore bed, and it is subsequent multiple not to be related to vacuum evaporation or sputtering etc. in preparation method
Miscellaneous technique does not need subsequent packaging technology, directly leans on growth realization and first electrode layer of the perovskite in pre- fixed gap
Contact with the second electrode lay, simple process, repeatability height, strong operability.
In the preparation method of the calcium titanium ore bed of perovskite solar battery of the invention, perovskite is injected into injection hole
When material liquid, perovskite material liquid can be injected (at least twice) several times, so that calcium titanium ore bed and the second electrode lay, first
Electrode layer has close contact.
Specifically, first electrode layer can be superimposed together the layer to be formed for first electrode and lower substrate；First electrode layer
It may be individual first electrode.
Wherein, first electrode include but is not limited to be electron transfer layer or charge transport layer.More specifically, first electrode is
Titanium dioxide, stannic oxide, zinc oxide, PCBM, nickel oxide, gold, ITO.
Specifically, the second electrode lay can be superimposed together the layer to be formed for second electrode and upper substrate；The second electrode lay
It may be individual second electrode.
When the second electrode lay be second electrode and upper substrate be superimposed together the layer to be formed when, in second electrode and upper substrate
On be respectively provided with injection hole；When the second electrode lay is individual second electrode, injection hole is set on the second electrode.
When the second electrode lay is individual second electrode, injection hole is set on the second electrode, pours perovskite raw material
Liquid forms calcium titanium ore bed and then prepares upper substrate.It to be formed when the second electrode lay is superimposed together for second electrode with upper substrate
Layer when, be respectively provided with injection hole in second electrode and upper substrate, perovskite material liquid poured by injection hole, forms perovskite
Layer.
More specifically, second electrode is titanium dioxide, stannic oxide, zinc oxide, PCBM, nickel oxide, gold, ITO.
Specifically, the perovskite material liquid used can be MAPbI3、FAPbI3、MAPbBr3And MASnI3One of or
Several combinations.
At 0 DEG C -100 DEG C, solubility increases above-mentioned perovskite material liquid as temperature increases；At 100 DEG C -150 DEG C
Make, solubility reduces as the temperature rises.At 100 DEG C or so, there are the minimum points of solubility, pass through reversed solution principle
It is grown to calcium titanium ore bed.Wherein, perovskite material liquid is injected several times and the good of calcium titanium ore bed and the second electrode lay may be implemented
Good contact generates seed crystal after first time injects perovskite material liquid, supplements perovskite material liquid again later, supplements calcium titanium
Mine material liquid, further growth are to have good accessible calcium titanium ore bed with the second electrode lay, first electrode layer.
In the preparation method of the calcium titanium ore bed of perovskite solar energy of the invention, pass through first electrode layer and second electrode
Layer constitute pre- fixed gap limit perovskite crystal to all directions grow, inhibit perovskite crystal vertical direction growth,
It grows it in only the horizontal direction, finally grows into the calcium titanium ore bed of film-form.
Specifically, the calcium titanium ore bed with a thickness of 10nm-2000nm.
In the preparation method of the calcium titanium ore bed of perovskite solar battery of the invention, aperture this field skill of injection hole
Art personnel can voluntarily determine according to the several layers of size of second point.For example, for area is 4 square centimeters of module, note
The aperture for entering hole is about 0.5mm-4mm.
In the preparation method of the calcium titanium ore bed of perovskite solar battery of the invention, the distance and calcium titanium of pre- fixed gap
The thickness of ore bed is identical.
The present invention also provides a kind of calcium titanium ore beds of perovskite solar battery prepared by the preparation method.
The calcium titanium ore bed with a thickness of 10nm-2000nm.
In order to achieve the above technical purposes, invention further provides a kind of preparation methods of perovskite solar battery, should
Preparation method includes the steps that the above-mentioned calcium titanium ore bed for preparing perovskite solar battery of the invention.
Specifically, which successively includes lower substrate, first electrode, calcium titanium ore bed, the from bottom to top
Two electrodes and upper substrate, calcium titanium ore bed are arranged between first electrode and second electrode.
Specifically, lower substrate can contain metal gates.To improve its electric conductivity, carrier is collected.
Specifically, the width of metal gates can be 0.005mm-2mm.The effect of metal gates is to collect carrier, drop
Low transmission resistance.The specific width for limiting metal gates can take into account electric conductivity and translucency.
Specifically, the raw material of metal gates used is at least one of gold, silver, copper, aluminium, titanium, iron.
The present invention also provides a kind of perovskite solar battery, which is through the invention upper
State what preparation method was prepared.The incident photon-to-electron conversion efficiency of the perovskite solar battery is higher.
Specifically, the raw material of upper substrate and lower substrate may include FTO, AZO or ITO, titanium, aluminium or stainless steel.
In perovskite solar battery of the invention, calcium titanium ore bed is prepared by fixture method, not the limitation of size,
Small area perovskite battery can be prepared, large area perovskite component, and the calcium prepared can also be prepared in conjunction with metal gates
The quality of titanium ore layer is high, and thickness reaches 1000nm photoelectric conversion efficiency still with higher, while it is steady to greatly improve it
It is qualitative.
Preparation method of the invention eliminates the complicated technologies such as subsequent vacuum evaporation, encapsulation, and method and process is simple, can weigh
Renaturation height, strong operability, and it is suitable for translucent and flexible device, solar energy in large area battery component is made for industrialization
One brand-new thinking is provided.
Detailed description of the invention
Fig. 1 is the fixture method schematic diagram of the calcium titanium ore bed in a specific embodiment.
Fig. 2 is the cross section structure schematic diagram of the single-unit perovskite solar battery in a specific embodiment.
Fig. 3 is the cross section structure schematic diagram of the perovskite solar battery in a specific embodiment.
Main Reference symbol description:
1, lower substrate；2, first electrode；3, calcium titanium ore bed；4, second electrode；5, upper substrate；6, metal gates；7, it encapsulates
Unit；8, injection hole.
Specific embodiment
In order to which technical characteristic of the invention, purpose and beneficial effect are more clearly understood, now to skill of the invention
Art scheme carries out described further below, but should not be understood as that limiting the scope of the invention.
Ca-Ti ore type solar battery (perovskite solar cells), refers to the organic metal using Ca-Ti ore type
A kind of solar battery of the halide semiconductor as light absorbent.
As shown in Figure 1, in a specific embodiment of the invention, provide in a kind of single-unit perovskite solar battery
Calcium titanium ore bed preparation technology figure.The perovskite solar-electricity may include lower substrate 1, first electrode 2, calcium titanium ore bed 3 with
And second electrode 4 and upper substrate 5, calcium titanium ore bed 3 are arranged between first electrode 2 and second electrode 4.
Wherein, calcium titanium ore bed 3 is prepared using fixture method, by first electrode 2 (first electrode layer) and second electrode 4 (second
Electrode layer) it is superimposed by hot pressing or other packaging methods, meanwhile, there are pre- fixed gap between two layers, in second electrode 4
It is provided with injection hole 8, perovskite material liquid is injected into gap by injection hole 8, utilizes first electrode 2 and second electrode 4, control
The direction of growth of perovskite thin film processed grows perovskite thin film in the gap between first electrode 2 and second electrode 4,
At 80 DEG C -180 DEG C, 1h-100h is heated, is well contacted so that perovskite thin film is respectively formed with first electrode 2 with second electrode 4,
Complete the assembling of calcium titanium ore bed.
Wherein, when the growth of perovskite thin film is increased by perovskite solution temperature, the principle of solubility decline is grown,
The not mandatory volatilization dependent on solvent.Then it is packaged the encapsulation of unit 7, single-unit calcium titanium as shown in Figure 2 can be obtained
Mine solar battery.
Wherein, first electrode and second electrode can be titanium dioxide, stannic oxide, zinc oxide, PCBM, nickel oxide, gold,
ITO etc..
Perovskite raw material may be MAPbI3、FAPbI3、MAPbBr3、MASnI3And its calcium mixture titanium ore.
Calcium titanium ore bed is during the preparation process without the technique of the subsequent complexity such as vacuum evaporation or sputtering, without subsequent encapsulation
Technique, the directly growth by perovskite in gap realize its contact with first electrode layer with the second electrode lay, method and process
Simply, repeatability height, strong operability.
Perovskite thin film with a thickness of 10nm-2000nm.
In another embodiment of the present invention, a kind of perovskite solar battery (component), structure are provided
As shown in figure 3, calcium titanium ore bed 3 therein is prepared by fixture method.Meanwhile containing metal gates 6 in lower substrate 1, with
Its electric conductivity is improved, carrier is collected.
Specifically, the width of metal gates is 0.005mm-2mm.
More specifically, the material of metal gates is at least one of gold, silver, copper, aluminium, titanium, iron.
In single-unit perovskite solar battery of the invention, specifically, the material of upper substrate and lower substrate can be
FTO, AZO or ITO, titanium, aluminium or stainless steel.
Embodiment 1
The formal MAPbI of single-unit is prepared in the present embodiment on 2cm × 2cm substrate3Perovskite solar battery, specific steps
It is as follows:
(1) substrate under FTO conduction is sputtered on glass, it is 0.7 μm thick.
(2) it is cleaned by ultrasonic FTO glass 10min with acetone, alkalis, deionized water, acetone respectively, finally dries up.
(3) TiO is prepared on FTO glass substrate2First electrode layer, 30mL diacetyl acetonyl tetraisopropyl titanate
(0.3mol/L is diluted in ethyl alcohol) spray pyrolysis at 510 DEG C, then 510 DEG C of heat preservation sintering 30min.
(4) on compacted zone, spin coating titania slurry is as electron transfer layer, Greatcell Solar Limited
30s spin coating under 4000rpm after the commercial pastes of company are diluted with ethyl alcohol mass ratio 1:7 is sintered 30min in 510 DEG C of Muffle furnace.
(5) substrate on the gold of 200nm is sputtered in upper substrate.
(6) lower substrate and upper substrate are superimposed together by pressure sintering, space height 500nm.
(7) by MAPbI3Solution is injected into gap by the liquid injection hole in upper substrate, be put into 100 DEG C of baking ovens for 24 hours, to
After perovskite connects substrate up and down, growth is completed, and entire perovskite component preparation is completed.
Embodiment 2
The present embodiment prepares the trans- MAPbI of single-unit on 2cm × 2cm substrate3Perovskite solar battery, specific steps are such as
Under.
(1) substrate under FTO conduction is sputtered, on metal gates with a thickness of 0.7 μm.
(2) it is cleaned by ultrasonic FTO glass 10min with acetone, alkalis, deionized water, acetone respectively, finally dries up.
(3) spin coating prepares PEDOT first electrode layer on FTO glass substrate, 30s spin coating under PEDO aqueous solution 3000rpm,
Then 150 DEG C of heat preservation sintering 30min.
(4) substrate on 200nmFTO is sputtered on the glass substrate.
(5) lower substrate and upper substrate are superimposed together by ultraviolet package method, space height 1000nm.
(6) by MAPbI3Solution is injected into gap by the liquid injection hole in upper substrate, be put into 100 DEG C of baking ovens for 24 hours, to
After perovskite connects substrate up and down, growth is completed, and entire perovskite component preparation is completed.
Embodiment 3
The formal FAPbI of single-unit is prepared in the present embodiment on 2cm × 2cm substrate3Perovskite solar battery, specific steps
It is as follows.
(1) substrate under FTO conduction is sputtered on glass, it is 0.7 μm thick.
(2) it is cleaned by ultrasonic FTO glass 10min with acetone, alkalis, deionized water, acetone respectively, finally dries up.
(3) SnO is prepared on FTO glass substrate2First electrode layer, the SnO of 2mg/mL2Colloidal aqueous dispersions 3000rpm rotation
It is applied on FTO substrate, rear 150 DEG C of annealing 30min.
(4) FTO of 200nm is sputtered in upper substrate as upper substrate.
(5) lower substrate and upper substrate are superimposed together by ultraviolet package method, space height 700nm.
(6) by FAPbI3Solution is injected into gap by the liquid injection hole in upper substrate, be put into 180 DEG C of baking ovens for 24 hours, to
After perovskite connects substrate up and down, growth is completed, and entire perovskite battery preparation is completed.
Embodiment 4
The present embodiment prepares the trans- FAPbI of single-unit on 2cm × 2cm substrate3Perovskite solar battery, specific steps are such as
Under.
(1) substrate under FTO conduction is sputtered, on metal gates with a thickness of 0.7 μm.
(2) it is cleaned by ultrasonic FTO glass 10min with acetone, alkalis, deionized water, acetone respectively, finally dries up.
(3) NiO of 570 DEG C of spraying 20nm is as first electrode layer on FTO glass substrate, then heat preservation sintering 30min.
(4) 200nmFTO is sputtered on the glass substrate as upper substrate.
(5) lower substrate and upper substrate are superimposed together by pressure sintering, space height 800nm.
(6) by FAPbI3Solution is injected into gap by the liquid injection hole in upper substrate, be put into 180 DEG C of baking ovens for 24 hours, to
After perovskite connects substrate up and down, growth is completed, and entire perovskite component preparation is completed.
Embodiment 5
The present embodiment is preparing the formal perovskite solar energy group of metal gates arranged in parallel on 10cm × 10cm substrate
Part, specific step is as follows.
(1) sputtered on glass 6 be parallel to each other between be divided into gold (Au) grid of 6.5mm, the width of metal gates is
0.3mm, length 45mm, with a thickness of 0.5um.
(2) substrate under FTO conduction is sputtered, on metal gates with a thickness of 0.7 μm.
(3) it is cleaned by ultrasonic FTO glass 10min with acetone, alkalis, deionized water, acetone respectively, finally dries up.
(4) SnO is prepared on FTO glass substrate2First electrode layer, the SnO of 2mg/mL2Colloidal aqueous dispersions 3000rpm rotation
It is applied on FTO substrate, rear 150 DEG C of annealing 30min.
(5) 200nm gold is sputtered on the glass substrate as upper substrate.
(6) lower substrate and upper substrate are superimposed together by ultraviolet package method, space height 1000nm.
(7) by FAPbI3Solution is injected into gap by the liquid injection hole in upper substrate, be put into 180 DEG C of baking ovens for 24 hours, to
After perovskite connects substrate up and down, growth is completed, and entire perovskite component preparation is completed.
Embodiment 6
The present embodiment is preparing the trans- perovskite solar energy group of metal gates arranged in parallel on 10cm × 10cm substrate
Part, specific step is as follows.
(1) sputtered on glass 6 be parallel to each other between be divided into gold (Au) grid of 6.5mm, the width of metal gates is
0.3mm, length 45mm, with a thickness of 0.5 μm.
(2) substrate under FTO conduction is sputtered, on metal gates with a thickness of 0.7um.
(3) it is cleaned by ultrasonic FTO glass 10min with acetone, alkalis, deionized water, acetone respectively, finally dries up.
(4) spin coating prepares PEDOT first electrode layer on FTO glass substrate, and 30s revolves under PEDOT aqueous solution 3000rpm
It applies, then 150 DEG C of heat preservation sintering 30min.
(5) substrate on 200nmFTO is sputtered on the glass substrate.
(6) lower substrate and upper substrate are superimposed together by ultraviolet package method, space height 1000nm.
(7) by FAPbI3Solution is injected into gap by the liquid injection hole in upper substrate, be put into 180 DEG C of baking ovens for 24 hours, to
After perovskite connects substrate up and down, growth is completed, and entire perovskite component preparation is completed.
Embodiment 7
The present embodiment is preparing the formal perovskite solar energy group of metal gates arranged in parallel on 10cm × 10cm substrate
Part, specific step is as follows.
(1) sputtered on glass 6 be parallel to each other between be divided into copper (Cu) grid of 6.5mm, the width of metal gates is
0.2mm, length 45mm, with a thickness of 0.6um.
(2) substrate under FTO conduction is sputtered, on metal gates with a thickness of 0.7 μm.
(3) it is cleaned by ultrasonic FTO glass 10min with acetone, alkalis, deionized water, acetone respectively, finally dries up.
(4) SnO is prepared on FTO glass substrate2First electrode layer, the SnO of 2mg/ml2Colloidal aqueous dispersions 3000rpm rotation
It is applied on FTO substrate, rear 150 DEG C of annealing 30min.
(5) 200nm copper is sputtered on the glass substrate as upper substrate.
(6) lower substrate and upper substrate are superimposed together by ultraviolet package method, space height 1000nm.
(7) by CsFAMAPbI3Solution is injected into gap by the liquid injection hole in upper substrate, is put into 150 DEG C of baking ovens
For 24 hours, after perovskite connects substrate up and down, growth is completed, and entire perovskite component preparation is completed.
Embodiment 8
The present embodiment is preparing the trans- perovskite solar energy group of metal gates arranged in parallel on 10cm × 10cm substrate
Part, specific step is as follows.
(1) sputtered on glass 6 be parallel to each other between be divided into silver (Ag) grid of 6.5mm, the width of metal gates is
0.3mm, length 45mm, with a thickness of 0.5um.
(2) substrate under FTO conduction is sputtered, on metal gates with a thickness of 0.7um.
(3) it is cleaned by ultrasonic FTO glass 10min with acetone, alkalis, deionized water, acetone respectively, finally dries up.
(4) spin coating prepares PEDOT first electrode layer on FTO glass substrate, and 30s revolves under PEDOT aqueous solution 3000rpm
It applies, then 150 DEG C of heat preservation sintering 30min.
(5) 200nm silver is sputtered on the glass substrate as upper substrate.
(6) lower substrate and upper substrate are superimposed together by ultraviolet package method, space height 1000nm.
(7) by CsFAMAPbI3Solution is injected into gap by the liquid injection hole in upper substrate, is put into 180 DEG C of baking ovens
For 24 hours, after perovskite connects substrate up and down, growth is completed, and entire perovskite component preparation is completed.
The short circuit current of the perovskite component of above-described embodiment 1- embodiment 4, embodiment 5- embodiment 8, is filled out open-circuit voltage
It fills the factor and photoelectric conversion efficiency is as shown in Table 1 and Table 2.
Test condition: room temperature (25 DEG C), solar simulator (AM1.5G xenon source), light intensity 100mW/cm2, battery has
Imitate area 1cm2And 81cm2。
Table 1
| Short circuit current (mA/cm2) | Open-circuit voltage (V) | Fill factor (%) | Photoelectric conversion efficiency (%) | |
| Embodiment 1 | 23.34 | 1.07 | 78.8 | 19.79 |
| Embodiment 2 | 24.10 | 1.06 | 79.1 | 20.30 |
| Embodiment 3 | 23.52 | 1.07 | 78.5 | 19.77 |
| Embodiment 4 | 23.71 | 1.08 | 79.5 | 20.39 |
Table 2
| Short circuit current (mA/cm2) | Open-circuit voltage (V) | Fill factor (%) | Photoelectric conversion efficiency (%) | |
| Embodiment 5 | 19.4 | 0.95 | 71.4 | 13.16 |
| Embodiment 6 | 21.2 | 0.93 | 72.0 | 14.19 |
| Embodiment 7 | 20.1 | 0.94 | 70.5 | 13.32 |
| Embodiment 8 | 20.8 | 0.98 | 71.1 | 14.49 |
The stability data of the perovskite component of above-described embodiment 1- embodiment 4, embodiment 5- embodiment 8 such as table 3 and table 4
It is shown.
Table 3
Table 4
Above embodiments explanation, the calcium titanium ore bed of perovskite solar battery of the invention are prepared by fixture method, are not had
The limitation of size can prepare small area perovskite battery, can also prepare large area perovskite group in conjunction with metal gates
Part, and the quality of the calcium titanium ore bed prepared is high, and thickness reaches 1000nm photoelectric conversion efficiency still with higher, while pole
The earth improves its stability.
Claims (10)
1. a kind of preparation method of the calcium titanium ore bed of perovskite solar battery, which is characterized in that the preparation method includes following
Step:
First electrode layer and the second electrode lay are prepared respectively；Wherein, the second electrode lay is provided with injection hole；
First electrode layer and the second electrode lay are superimposed, and there are pre- fixed gaps；The injection hole and pre- fixed gap connect
It is logical；
Perovskite material liquid is injected into the injection hole, at 80 DEG C -180 DEG C, heats 1h-100h, in pre- fixed gap
To calcium titanium ore bed.
2. preparation method according to claim 1, which is characterized in that the perovskite material liquid is MAPbI3、FAPbI3、
MAPbBr3And MASnI3One or more of combination.
3. preparation method according to claim 1 or 2, which is characterized in that when injecting perovskite material liquid into injection hole,
Perovskite material liquid injects several times.
4. preparation method according to claim 1, which is characterized in that the first electrode layer is first electrode and lower substrate
Be superimposed together the layer to be formed；Or, first electrode layer is individual first electrode；
Preferably, the second electrode lay is that second electrode and upper substrate are superimposed together the layer to be formed；Or, the second electrode lay is
Individual second electrode.
5. preparation method according to claim 1, which is characterized in that the calcium titanium ore bed with a thickness of 10nm-2000nm.
6. a kind of preparation method of perovskite solar battery, which is characterized in that the preparation method includes claim 1-5 any
Step described in.
7. preparation method according to claim 6, which is characterized in that the perovskite solar battery includes lower substrate,
One electrode, calcium titanium ore bed, second electrode and upper substrate, calcium titanium ore bed are arranged between first electrode and second electrode.
8. preparation method according to claim 7, which is characterized in that the lower substrate contains metal gates；
Preferably, the raw material that the metal gates use is at least one of gold, silver, copper, aluminium, titanium, iron.
9. preparation method according to claim 8, which is characterized in that the width of the metal gates is 0.005mm-2mm.
10. a kind of perovskite solar battery, which is characterized in that the perovskite solar battery is appointed by claim 6-9
What the preparation method of perovskite solar battery described in one was prepared.
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