CN109545989A - Perovskite preparation method of solar battery - Google Patents
Perovskite preparation method of solar battery Download PDFInfo
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- H—ELECTRICITY
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- 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
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- H10K71/15—Deposition of organic active material using liquid deposition, e.g. spin coating characterised by the solvent used
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Abstract
The present invention relates to a kind of perovskite preparation method of solar battery, perovskite solar battery includes: that ITO substrate layer, decorative layer, hole transmission layer, perovskite absorbed layer, electron transfer layer, silver electrode layer are sequentially connected；This method passes through the characteristic research of PEDOT:PSS-PH1000 solvent, dimethyl sulfoxide solvent, three kinds of isopropanol itself, effectively improves the properties of hole transmission layer and battery device.When PEDOT:PSS-Al4083 is mixed with PEDOT:PSS-PH1000 with the volume ratio of 10:1, the transmitance of calcium titanium ore bed solar battery is made to have obtained the promotion of certain amplitude；Dimethyl sulfoxide mixes modification layer material with 5% mass fraction and effectively improves conductive characteristic in dimethyl sulfoxide solvent, the incorporation modification layer material of isopropanol is while improving modification layer material wellability, the concentration of PH1000 solvent is diluted, the thinner decorative layer of film thickness is prepared；To improve the whole electric conductivity and photoelectric conversion efficiency of calcium titanium ore bed solar battery.
Description
Technical field
The present invention relates to technical field of solar batteries, and in particular to a kind of perovskite preparation method of solar battery.
Background technique
With the continuous development of science and technology, the type of photovoltaic cell is more and more, at the same efficiency, performance, in terms of
Also constantly improve, universal application has also been obtained in the scientific and technological key areas such as space flight.Monocrystalline silicon battery technology has tended at present
Kind, the development of the use and surface passivation of ultrapure monocrystalline silicon piece, preceding electrode, back-contact electrode etc., sunken light technology etc. makes to test
Room efficiency reaches as high as 26%.Moreover, the silion cell efficiency of industrialization is also more than 15%.
According to the difference of chemical component, solar-energy photo-voltaic cell mainly includes following three categories at present: being developed first
Be first generation solar-energy photo-voltaic cell be monocrystaline silicon solar cell and polysilicon solar cell；Skill is deposited by film
It is second generation photovoltaic cell, i.e. thin film solar cell made of art development, mainly there is amorphous silicon film solar battery, cadmium telluride
Thin film solar cell, copper selenium film solar battery etc.；Referred to as third generation solar cell is flexible solar battery, main
It to include organic small molecule photovoltaic cells, dye-sensitized photovoltaic battery, polymer photovoltaic cell, but because of the change of photovoltaic cell
Influence its photoelectric conversion efficiency studied point is lower always, so that the input of solar energy is unstable.
Summary of the invention
In view of this, it is an object of the invention to overcome the deficiencies of the prior art and provide a kind of perovskite solar batteries
Preparation method solves the problems, such as that photovoltaic cell photoelectric conversion efficiency is high, solar energy inputs unstable, has reached raising
Transmitance, the effect of electric conductivity and photoelectric conversion efficiency of calcium titanium ore bed solar battery.
In order to achieve the above object, the present invention adopts the following technical scheme:
A kind of perovskite preparation method of solar battery, which is characterized in that perovskite solar battery includes: ITO substrate
Layer, decorative layer, hole transmission layer, perovskite absorbed layer, electron transfer layer, silver electrode layer are sequentially connected；Method includes:
ITO electro-conductive glass is cut, cleans to obtain ITO substrate layer；
It is configured to obtain decorative layer material according to PH1000 solvent, dimethyl sulfoxide solvent and isopropanol；PH1000 solvent with
The volume ratio of isopropanol is 1:10；The mass fraction of dimethyl sulfoxide is 5% in dimethyl sulfoxide solvent；
It is spin-coated on ITO substrate layer by layer material is modified according to the first spin-coating method, after the first annealing disinfection treatment, is obtained
Decorative layer；
PEDOT:PSS-Al4083 aqueous solution decorative layer is spin-coated on according to the second spin-coating method to carry out at the second annealing disinfection
Reason, obtains hole transmission layer；
Respectively according to third spin-coating method and annealing method by calcium titanium ore bed material and chlorobenzene solvent on the hole transport layer
Spin coating, annealing are carried out, perovskite absorbed layer is obtained；
PCBM solution is spin-coated on perovskite absorbed layer to get electron transfer layer is arrived according to the 4th spin-coating method；PCBM is molten
Liquid is the PCBM solution fused with chlorobenzene solvent；
Silver is plated on the electron transport layer according to evaporated logos, and carries out evaporation process, obtains silver electrode layer, finally
Obtain perovskite solar battery.
Further, calcium titanium ore bed material, comprising:
It is mixed according to solvent dimethylformamide with dimethyl sulfoxide solvent, obtains the first solution；Dimethylformamide is molten
The volume ratio of agent and dimethyl sulfoxide solvent is 4:1；
Lead bromide, lead iodide, calorize fluorine and potassium bromide ammonia are dissolved in into the first solution, obtain precursor solution；
Precursor solution is mixed with chlorobenzene solvent, obtains calcium titanium ore bed material.
Further, ITO electro-conductive glass cut, clean to obtain ITO substrate layer and specifically includes:
ITO electro-conductive glass is cut into square sheets and label, obtains label ITO electro-conductive glass；
It is clear that label ITO electro-conductive glass is subjected to electronics cleaning solution, dehydrated alcohol, acetone, the ultrasonic wave of deionized water respectively
It washes, the ITO electro-conductive glass after being cleaned；
ITO electro-conductive glass after cleaning is disinfected in drying box with ozone, obtains ITO substrate layer.
Further, the first spin-coating method specifically includes: with 5000 turns per second of spin coating rate, 35 seconds spin-coating times are
Standard carries out spin coating.
Further, the first annealing disinfection treatment, comprising: with 130 degree of annealing temperature, 10 minutes annealing times are
Standard carries out the first annealing, and ozonization processing in 1 minute is carried out in drying box.
Further, the second spin-coating method, comprising:
First with 1000 turns per second of spin coating rate, 10 seconds spin-coating times are that standard carries out spin coating, then with per second 5000
The speed of rotation turned, 30 seconds spin-coating times are that standard carries out spin coating；And works as and be spin-coated to 5000 turns of the speed of rotation per second
At 15 seconds, chlorobenzene solvent is instilled on the hole transmission layer rotated.
Further, the second annealing, comprising: with 150 degrees Celsius of annealing temperature, 5 minutes annealing times are carried out
Annealing.
Further, further includes:
PCBM solution perovskite absorbed layer is spin-coated on according to the 4th spin-coating method to go forward further include:
Perovskite absorbed layer is infiltrated 3 seconds with PCBM solution；
Further, evaporated logos, comprising: with 1*10-3The evaporation air pressure of pa, 95 amperes of evaporation current, 7 minutes
Evaporation time be standard be evaporated processing.
Further, further includes: be sticked high temperature gummed tape at the outer lateral extent edge set distance of ITO substrate layer, with system
It is standby to obtain electrode.
Technical solution provided by the present application can include the following benefits:
A kind of perovskite solar battery method of the application includes: ITO substrate layer, decorative layer, hole transmission layer, calcium
Titanium ore absorbed layer, electron transfer layer, silver electrode layer are sequentially connected；ITO electro-conductive glass is cut, cleans to obtain ITO substrate
Layer；It is configured to obtain decorative layer material according to PH1000 solvent, dimethyl sulfoxide solvent and isopropanol；PH1000 solvent and isopropyl
The volume ratio of alcohol is 1:10；The mass fraction of dimethyl sulfoxide is 5% in dimethyl sulfoxide solvent；It will according to the first spin-coating method
Modification layer material is spin-coated on ITO substrate layer, after the first annealing disinfection treatment, obtains decorative layer；It will according to the second spin-coating method
PEDOT:PSS-Al4083 aqueous solution is spin-coated on decorative layer and carries out the second annealing disinfection treatment, obtains hole transmission layer；Root respectively
Calcium titanium ore bed material and chlorobenzene solvent are subjected to spin coating, annealing on the hole transport layer according to third spin-coating method and annealing method
Processing, obtains perovskite absorbed layer；PCBM solution is spin-coated on perovskite absorbed layer to get electricity is arrived according to the 4th spin-coating method
Sub- transport layer；PCBM solution is the PCBM solution fused with chlorobenzene solvent；Silver is plated in electron transfer layer according to evaporated logos
On, and evaporation process is carried out, silver electrode layer is obtained, perovskite solar battery is finally obtained；PEDOT:PSS-Al4083 with
When PEDOT:PSS-PH1000 is mixed with the volume ratio of 10:1, the transmitance of calcium titanium ore bed solar battery is made to have obtained one
The promotion of tentering degree；Dimethyl sulfoxide mixes modification layer material with 5% mass fraction and is effectively promoted in dimethyl sulfoxide solvent
Conductive characteristic, the incorporation modification layer material of isopropanol improve modify layer material wellability while, it is molten to dilute PH1000
The concentration of agent prepares the thinner decorative layer of film thickness, to improve the whole electric conductivity of calcium titanium ore bed solar battery
And photoelectric conversion efficiency.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will to embodiment or
Attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
Some embodiments of the present invention, for those of ordinary skill in the art, without creative efforts, also
Other drawings may be obtained according to these drawings without any creative labor.
Fig. 1 is a kind of perovskite preparation method of solar battery flow diagram provided in an embodiment of the present invention；
Fig. 2 is the structural schematic diagram of the preparation method of calcium titanium ore bed material provided in an embodiment of the present invention；
Fig. 3 is the structural schematic diagram of the specific preparation method of ITO substrate layer provided in an embodiment of the present invention.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, technical solution of the present invention will be carried out below
Detailed description.Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art obtained institute without making creative work
There is other embodiment, belongs to the range that the present invention is protected.
Fig. 1 is a kind of perovskite preparation method of solar battery flow diagram provided in an embodiment of the present invention.
As shown in Figure 1, the perovskite preparation method of solar battery of the present embodiment includes:
A kind of perovskite preparation method of solar battery, perovskite solar battery include: ITO substrate layer, decorative layer,
Hole transmission layer, perovskite absorbed layer, electron transfer layer, silver electrode layer are sequentially connected；Method includes:
S101, ITO electro-conductive glass is cut, cleans to obtain ITO substrate layer；
ITO electro-conductive glass is to utilize a variety of sides such as sputtering, evaporation on the basis of sodium calcium base or silicon boryl substrate glass
Method plates what indium oxide layer tin film manufactured, i.e. referred to as ITO electro-conductive glass, and ITO electro-conductive glass is carried out rectangular cut
It cuts and then the glass cut is subjected to cleaning and sterilizing to get ITO substrate layer is arrived.
S102, it is configured to obtain decorative layer material according to PH1000 solvent, dimethyl sulfoxide solvent and isopropanol； PH1000
The volume ratio of solvent and isopropanol is 1:10；The mass fraction of dimethyl sulfoxide is 5% in dimethyl sulfoxide solvent；
The PEDOT:PSS-PH1000 for using liquid-transfering gun to draw 2 milliliters to volume in 50 milliliters of clean brown vial,
The dimethyl sulfoxide reagent that mass fraction is 5% is weighed using electronic balance to mix with PH1000, obtains preprocessing solution.Again
Different amounts of isopropanol is drawn to mix the clean brown for being 50 milliliters to volume with the preprocessing solution of equivalent respectively with liquid-transfering gun
In bottle, according to repairing for the proportional arrangement heterogeneity concentration that the volume ratio of volume ratio PH1000 solvent and isopropanol is 1:10
Layer material is adornd, a magnetic agitation rotor will be added in the container for the modification layer material that configuration is completed, modification layer material is carried out
Stirring is to get modification layer material.
S103, ITO substrate layer is spin-coated on for layer material is modified according to the first spin-coating method, after the first annealing disinfection treatment,
Obtain decorative layer；
Decorative layer is properly termed as interface-modifying layer again, takes modification layer material with desk-top sol evenning machine in the ITO substrate handled well
Spin coating is carried out on layer, after the first annealing, obtains decorative layer.
S104, PEDOT:PSS-Al4083 aqueous solution is spin-coated on by the second annealing of decorative layer progress according to the second spin-coating method
Disinfection treatment, obtains hole transmission layer；
Hole transmission layer is prepared on decorative layer.The spin coating PEDOT:PSS-Al4083 aqueous solution on above-mentioned decorative layer,
Spin coating rate is 4000 revolutions per seconds, and spin-coating time is 35 seconds.The decorative layer after spin-coat process is placed on electric boiling plate later
It is made annealing treatment, 130 DEG C of annealing temperature, annealing time is 15 minutes, after the completion of annealing, is cooled to room temperature.Later will
It is placed in ozone treatment 10 minutes in drying box, and hole transmission layer is thus made.
S105, respectively according to third spin-coating method and second annealing method by calcium titanium ore bed material and chlorobenzene solvent in sky
Spin coating, annealing are carried out in the transport layer of cave, obtain perovskite absorbed layer；
Calcium titanium ore bed material is that chemical formula is (CH (NH2)2PbI3)0.85(CH3NH3PbBr3)0.15Perovskite absorbed layer material
The precursor solution of material, and when in use, the precursor solution that perovskite absorbs layer material is dropped on hole transmission layer,
On hole transmission layer, perovskite nucleus is precipitated in precursor solution using anti-solvent cooperation, the perovskite nucleus of precipitation is calcium
Titanium ore layer material.
Perovskite absorbed layer is prepared on the hole transport layer with calcium titanium ore bed material.It is adopted on above-mentioned hole transmission layer
Calcium titanium ore bed material is deposited with third spin-coating method, draws 120ul perovskite material and 250ul chlorobenzene respectively with two liquid-transfering guns
Anti-solvent.Start spin coating after calcium titanium ore bed material precursor solution is uniformly instiled on sample first, and by another liquid relief
Chlorobenzene anti-solvent in rifle drops to rapidly on high-speed rotating perovskite absorbed layer.Electric boiling plate is placed it in after the completion of spin coating
On made annealing treatment, thus be made perovskite absorbed layer.
S106, PCBM solution is spin-coated on perovskite absorbed layer to get electron transfer layer is arrived according to the 4th spin-coating method；
PCBM solution is the PCBM solution fused with chlorobenzene solvent；
Electron transfer layer is prepared on calcium titanium ore bed.On perovskite absorbed layer spin coating be dissolved in chlorobenzene solvent PCBM it is molten
PCBM solution is coated in after infiltrating 3 seconds on calcium titanium ore bed and starts spin-coat process, electron transfer layer is made through this by liquid.
It is spin-coating method that uses in the present embodiment, which prepares the coating method of thin-film material,.Utilize the allusion quotation of spin coating instrument spin coating
Type process mainly includes drop glue, spin coating, solvent three steps of volatilization.Colloidal sol is instiled to substrate surface, according to preparing layer and base
The infiltration sex differernce at bottom may be selected to instil to substrate center or be coated uniformly on substrate surface, later in suitable speed conditions
It is lower to unscrew solution to form film.Drop glue amount will guarantee uniformly be coated onto substrate everywhere in the high speed rotation stage.It carries out later
Annealing, removes extra solvent.
S107, silver is plated on the electron transport layer according to evaporated logos, and carries out evaporation process, obtain silver electrode layer,
Finally obtain perovskite solar battery.
It uses vacuum evaporatation evaporation process silver as electrode on the electron transport layer, silver electrode is thus made.
Preparing the vacuum vapor plating that silver electrode uses is one of physical gas-phase deposite method, also referred to as thermal evaporation
Method.Its principle is that heating evaporation source is allowed to vaporize in vacuum environment, and material particle is transported in the environment after being detached from evaporation source
Dynamic, part of particle deposition forms solid film on substrate.It is simply more common plated film that thermal evaporation technique, which is compared,
One of technology.
Thermal evaporation filming equipment is mainly by groups such as coating chamber, heating source, falsework, vacuum system, electric control systems
At.Its course of work is will to be evaporated substance to be put into evaporation source, by electric current heating evaporation after being evacuated to vacuum state in chamber
Source makes to be evaporated substance evaporation, and evaporation generates gaseous atom or molecule and escapes, and when its mean free path is sufficiently large, steams
The collision for seldom receiving other particles or cavity wall is hindered and directly reaches substrate surface by hair material particle, later evaporated material
Solid film is condensed into the relatively low substrate surface of temperature.
Using the above method, the perovskite solar-electricity of the planar heterojunction structure of inverted structure (P-I-N type) is made
Pond.
Method in the present embodiment includes: ITO substrate layer, decorative layer, hole transmission layer, perovskite absorbed layer, electronics biography
Defeated layer, silver electrode layer are sequentially connected；ITO electro-conductive glass is cut, cleans to obtain ITO basal layer；It is molten according to PH1000
Agent, dimethyl sulfoxide solvent and isopropanol configure to obtain decorative layer material；The volume ratio of PH1000 solvent and isopropanol is 1:
10；The mass fraction of dimethyl sulfoxide is 5% in dimethyl sulfoxide solvent；Layer material spin coating will be modified according to the first spin-coating method
Decorative layer is obtained after the first annealing disinfection treatment in ITO substrate layer；According to the second spin-coating method by PEDOT:PSS-Al4083
Aqueous solution is spin-coated on decorative layer and carries out the second annealing disinfection treatment, obtains hole transmission layer；Respectively according to third spin-coating method and moving back
Calcium titanium ore bed material and chlorobenzene solvent are carried out spin coating, annealing by fiery facture on the hole transport layer, obtain perovskite
Absorbed layer；PCBM solution is spin-coated on perovskite absorbed layer to get electron transfer layer is arrived according to the 4th spin-coating method；PCBM is molten
Liquid is the PCBM solution fused with chlorobenzene solvent；Silver is plated on the electron transport layer according to evaporated logos, and carries out evaporated
Reason, obtains silver electrode layer, finally obtains perovskite solar battery；PEDOT:PSS-Al4083 and PEDOT:PSS-PH1000
When mixing with the volume ratio of 10:1, the transmitance of calcium titanium ore bed solar battery is made to have obtained the promotion of certain amplitude；Diformazan
Dimethyl sulfoxide mixes modification layer material with 5% mass fraction and effectively improves conductive characteristic, isopropanol in base sulfoxide solvent
Incorporation modification layer material improve modify layer material wellability while, dilute the concentration of PH1000 solvent, prepare membrane
Thinner decorative layer is spent, to improve the whole electric conductivity and photoelectric conversion efficiency of calcium titanium ore bed solar battery.
Fig. 2 is the structural schematic diagram of the preparation method of calcium titanium ore bed material provided in an embodiment of the present invention；
As shown in Fig. 2, according to third spin-coating method and the second annealing method by calcium titanium ore bed material and chlorobenzene solvent in sky
Spin coating, annealing are carried out in the transport layer of cave, obtain the preparation of calcium titanium ore bed material in perovskite absorbed layer step, comprising:
S201, it is mixed according to solvent dimethylformamide with dimethyl sulfoxide solvent, obtains the first solution；Dimethyl methyl
The volume ratio of amide solvent and dimethyl sulfoxide solvent is 4:1；Dimethyl sulfoxide accounts for total solution in dimethyl sulfoxide solvent
Mass fraction is 5%.
S202, lead bromide, lead iodide, calorize fluorine and potassium bromide ammonia are dissolved in into the first solution, obtains precursor solution；
S203, precursor solution is mixed with chlorobenzene solvent, obtains calcium titanium ore bed material.
Dimethylformamide is mixed with dimethyl sulfoxide according to volume ratio 4:1 first, then takes 74.3 milligrams respectively
PbBr, 529 milligrams of PbI2, 197 milligrams of FAI and 22.66 milligram of CH3NH3Br powder, by it, uniformly mixing is dissolved in wherein, is prepared
It is (CH (NH at chemical formula2)2PbI3)0.85(CH3NH3PbBr3)0.15Perovskite absorb layer material precursor solution.Simultaneously
When in use, precursor solution is dropped to hole transmission layer to climb up, uses chlorobenzene as anti-solvent, calcium titanium ore bed material can be made
Precursor solution enters hypersaturated state in spin coating, and perovskite nucleus is precipitated rapidly and then accelerates nucleation rate, precursor liquid
The perovskite nucleus with the use of precipitation with chlorobenzene anti-solvent is calcium titanium ore bed material.
By mixing according to solvent dimethylformamide with dimethyl sulfoxide solvent in the present embodiment, the first solution is obtained；
The volume ratio of solvent dimethylformamide and dimethyl sulfoxide solvent is 4:1；By lead bromide, lead iodide, calorize fluorine and potassium bromide
Ammonia dissolves in the first solution, obtains precursor solution；Precursor solution is mixed with chlorobenzene solvent, obtains calcium titanium ore bed material.It is logical
Crossing joined in dimethyl sulfoxide solvent two in calcium titanium ore bed material and further effectively improves the conductive characteristic of battery；
And using chlorobenzene as anti-solvent, enter the precursor solution of calcium titanium ore bed material in spin coating under hypersaturated state rapidly
Perovskite nucleus is precipitated and then accelerates nucleation rate, the acceleration nucleation of perovskite nucleus and temperature of annealing in production treatment process
The appropriate cooperation of degree, annealing time, further improves the photoelectric conversion efficiency of calcium titanium ore bed solar battery.
Fig. 3 is the structural schematic diagram of the specific preparation method of ITO substrate layer provided in an embodiment of the present invention.
As shown in figure 3, ITO electro-conductive glass is cut, cleans to obtain ITO substrate layer and specifically includes:
S301, ITO electro-conductive glass is cut into square sheets and label, obtains label ITO electro-conductive glass；
S302, by mark ITO electro-conductive glass carry out respectively electronics cleaning solution, dehydrated alcohol, acetone, deionized water it is super
Sound wave cleaning, the ITO electro-conductive glass after being cleaned；
S303, the ITO electro-conductive glass after cleaning is disinfected in drying box with ozone, obtains ITO substrate layer.
Ito glass is cut into small pieces and the label that size is 3*3 centimetres.Respectively with electronics cleaning solution, dehydrated alcohol,
Each ultrasonic cleaning 15 minutes of acetone, deionized water, dry up surface deionized water with nitrogen gun, finally the ozone in drying box
20 minutes are handled to get ITO electro-conductive glass is arrived.
Further, the first spin-coating method specifically includes: with 5000 turns per second of spin coating rate, 35 seconds spin-coating times are
Standard carries out spin coating.
Further, the first annealing disinfection treatment, comprising: with 130 degree of annealing temperature, 10 minutes annealing times are
Standard carries out the first annealing, and ozonization processing in 1 minute is carried out in drying box.
First annealing is made annealing treatment on electric boiling plate, 130 DEG C of annealing temperature, annealing time 10 minutes, is moved back
It is cooled to room temperature after the completion of fire, then places it in ozone treatment 1 minute in drying box, electrode and hole transport is thus made
The interface-modifying layer of layer.
Further, the second spin-coating method, comprising:
First with 1000 turns per second of spin coating rate, 10 seconds spin-coating times are that standard carries out spin coating, then with per second 5000
The speed of rotation turned, 30 seconds spin-coating times are that standard carries out spin coating；And works as and be spin-coated to 5000 turns of the speed of rotation per second
At 15 seconds, chlorobenzene solvent is instilled on the hole transmission layer rotated.
Second annealing, comprising: with 150 degrees Celsius of annealing temperature, 5 minutes annealing times are made annealing treatment.
Further, further includes:
PCBM solution is spin-coated on perovskite absorbed layer according to the 4th spin-coating method to go forward, is inhaled perovskite with PCBM solution
Layer is received to infiltrate 3 seconds；
4th spin-coating method includes: first with 300 turns per second of spin coating rate, and 1 second spin-coating time is that standard carries out spin coating,
Then with 1500 turns per second of spin coating rate, 40 seconds spin-coating times are that standard carries out spin coating.
Further, evaporated logos, comprising: with 1*10-3The evaporation air pressure of pa, 95 amperes of evaporation current, 7 minutes
Evaporation time be standard be evaporated processing.
Further, further includes: be sticked high temperature gummed tape at the outer lateral extent edge set distance of ITO substrate layer, with system
It is standby to obtain electrode.
The present embodiment is cut into square sheets and label by ITO electro-conductive glass, obtains label ITO electro-conductive glass；Mark
Note ITO electro-conductive glass carry out respectively electronics cleaning solution, dehydrated alcohol, acetone, deionized water ultrasonic cleaning, cleaned
ITO electro-conductive glass afterwards；ITO electro-conductive glass after cleaning is disinfected in drying box with ozone, obtains ITO substrate layer.Pass through
To the electronics cleaning solution of ITO electro-conductive glass, dehydrated alcohol, acetone, deionized water each ultrasonic cleaning 15 minutes and nitrogen gun
Surface deionized water is dried up, ozone treatment 20 minutes in drying box, has established the base of the thinner decorative layer of subsequent preparation film thickness
Plinth, and then improve the success rate of the whole electric conductivity and photoelectric conversion efficiency of calcium titanium ore bed solar battery.
It is understood that same or similar part can mutually refer in the various embodiments described above, in some embodiments
Unspecified content may refer to the same or similar content in other embodiments.
It should be noted that in the description of the present invention, term " first ", " second " etc. are used for description purposes only, without
It can be interpreted as indication or suggestion relative importance.In addition, in the description of the present invention, unless otherwise indicated, the meaning of " multiple "
Refer at least two.
Any process described otherwise above or the description of perovskite preparation method of solar battery in flow chart or herein
It is construed as, expression includes the steps that one or more executable fingers for realizing specific logical function or process
Module, segment or the part of the code of order, and the range of the preferred embodiment of the present invention includes other realization, wherein
Sequence shown or discussed can not be pressed, including according to related function by it is basic and meanwhile in the way of or by opposite suitable
Sequence, Lai Zhihang function, this should be understood by the embodiment of the present invention person of ordinary skill in the field.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (10)
1. a kind of perovskite preparation method of solar battery, which is characterized in that the perovskite solar battery includes: ITO base
Bottom, decorative layer, hole transmission layer, perovskite absorbed layer, electron transfer layer, silver electrode layer are sequentially connected；The described method includes:
ITO electro-conductive glass is cut, cleans to obtain the ITO substrate layer；
It is configured to obtain decorative layer material according to PH1000 solvent, dimethyl sulfoxide solvent and isopropanol；The PH1000 solvent with
The volume ratio of the isopropanol is 1:10；The mass fraction of dimethyl sulfoxide is 5% in the dimethyl sulfoxide solvent；
The modification layer material is spin-coated on the ITO substrate layer according to the first spin-coating method, after the first annealing disinfection treatment, is obtained
To the decorative layer；
PEDOT:PSS-Al4083 aqueous solution the decorative layer is spin-coated on according to the second spin-coating method to carry out at the second annealing disinfection
Reason, obtains the hole transmission layer；
Method is made annealing treatment for calcium titanium ore bed material and chlorobenzene solvent in the hole transport according to third spin-coating method and second respectively
Spin coating, annealing are carried out on layer, obtain the perovskite absorbed layer；
PCBM solution is spin-coated on the perovskite absorbed layer to get the electron transfer layer is arrived according to the 4th spin-coating method；Institute
Stating PCBM solution is the PCBM solution fused with chlorobenzene solvent；
Silver is plated on the electron transport layer according to evaporated logos, and carries out evaporation process, obtains the silver electrode layer, most
Perovskite solar battery is obtained eventually.
2. perovskite preparation method of solar battery according to claim 1, which is characterized in that the calcium titanium ore bed material
Material, comprising:
It is mixed according to solvent dimethylformamide with the dimethyl sulfoxide solvent, obtains the first solution；The dimethyl formyl
The volume ratio of amine solvent and the dimethyl sulfoxide solvent is 4:1；
Lead bromide, lead iodide, calorize fluorine and potassium bromide ammonia are dissolved in into first solution, obtain precursor solution；
The precursor solution is mixed with the chlorobenzene solvent, obtains the calcium titanium ore bed material.
3. perovskite preparation method of solar battery according to claim 1, which is characterized in that described by ITO conduction glass
Glass cut, is cleaned to obtain the ITO substrate layer and is specifically included:
The ITO electro-conductive glass is cut into square sheets and label, obtains label ITO electro-conductive glass；
It is clear that the label ITO electro-conductive glass is subjected to electronics cleaning solution, dehydrated alcohol, acetone, the ultrasonic wave of deionized water respectively
It washes, the ITO electro-conductive glass after being cleaned；
ITO electro-conductive glass after the cleaning is disinfected in drying box with ozone, obtains the ITO substrate layer.
4. perovskite preparation method of solar battery according to claim 1, which is characterized in that the first spin-coating method tool
Body includes: with 5000 turns per second of spin coating rate, and 35 seconds spin-coating times are that standard carries out spin coating.
5. perovskite preparation method of solar battery according to claim 1, which is characterized in that the first annealing disinfection
Processing, comprising: with 130 degree of annealing temperature, 10 minutes annealing times are the first annealing of standard progress, and in drying box
The middle ozonization processing for carrying out 1 minute.
6. perovskite preparation method of solar battery according to claim 1, which is characterized in that second spin-coating method,
Include:
First with 1000 turns per second of spin coating rate, 10 seconds spin-coating times are that standard carries out spin coating, then with 5000 turns per second
The speed of rotation, 30 seconds spin-coating times are that standard carries out spin coating；And works as and be spin-coated to described with 5000 turns of the speed of rotation per second
At 15 seconds, the chlorobenzene solvent is instilled on the hole transmission layer rotated.
7. perovskite preparation method of solar battery according to claim 1, which is characterized in that at second annealing
Reason, comprising: with 150 degrees Celsius of annealing temperature, 5 minutes annealing times are made annealing treatment.
8. perovskite preparation method of solar battery according to claim 1, which is characterized in that described according to the 4th spin coating
PCBM solution is spin-coated on the perovskite absorbed layer and gone forward by method further include:
The perovskite absorbed layer is infiltrated 3 seconds with the PCBM solution.
9. perovskite preparation method of solar battery according to claim 1, which is characterized in that the evaporated logos,
It include: with 1*10-3The evaporation air pressure of pa, 95 amperes of evaporation current, 7 minutes evaporation times are that standard is evaporated processing.
10. perovskite preparation method of solar battery according to claim 1, which is characterized in that further include: described
Be sticked high temperature gummed tape at the outer lateral extent edge set distance of ITO substrate layer, to be prepared into electrode.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111769198A (en) * | 2020-07-03 | 2020-10-13 | 南通大学 | Method for modifying perovskite layer by using chlorobenzene chloroform mixed solution |
| CN113193120A (en) * | 2021-04-06 | 2021-07-30 | 电子科技大学 | Preparation method and application of potassium bromide-doped perovskite film |
-
2018
- 2018-12-14 CN CN201811546021.8A patent/CN109545989A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111769198A (en) * | 2020-07-03 | 2020-10-13 | 南通大学 | Method for modifying perovskite layer by using chlorobenzene chloroform mixed solution |
| CN113193120A (en) * | 2021-04-06 | 2021-07-30 | 电子科技大学 | Preparation method and application of potassium bromide-doped perovskite film |
| CN113193120B (en) * | 2021-04-06 | 2022-03-15 | 电子科技大学 | Preparation method and application of potassium bromide-doped perovskite film |
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