CN206301843U - Solar cell based on poly- hexadine/perovskite nano compound film - Google Patents
Solar cell based on poly- hexadine/perovskite nano compound film Download PDFInfo
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- CN206301843U CN206301843U CN201621436713.3U CN201621436713U CN206301843U CN 206301843 U CN206301843 U CN 206301843U CN 201621436713 U CN201621436713 U CN 201621436713U CN 206301843 U CN206301843 U CN 206301843U
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- perovskite
- hexadine
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- 230000031700 light absorption Effects 0.000 claims abstract description 33
- 230000027756 respiratory electron transport chain Effects 0.000 claims abstract description 23
- 229910052751 metal Inorganic materials 0.000 claims abstract description 15
- 239000002184 metal Substances 0.000 claims abstract description 15
- 239000000758 substrate Substances 0.000 claims abstract description 15
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical group O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 18
- 239000010931 gold Substances 0.000 claims description 12
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 claims description 9
- XMWRBQBLMFGWIX-UHFFFAOYSA-N C60 fullerene Chemical compound C12=C3C(C4=C56)=C7C8=C5C5=C9C%10=C6C6=C4C1=C1C4=C6C6=C%10C%10=C9C9=C%11C5=C8C5=C8C7=C3C3=C7C2=C1C1=C2C4=C6C4=C%10C6=C9C9=C%11C5=C5C8=C3C3=C7C1=C1C2=C4C6=C2C9=C5C3=C12 XMWRBQBLMFGWIX-UHFFFAOYSA-N 0.000 claims description 8
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 8
- 229910003472 fullerene Inorganic materials 0.000 claims description 8
- 229910052737 gold Inorganic materials 0.000 claims description 7
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 6
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 5
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- 239000004411 aluminium Substances 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
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- 239000007769 metal material Substances 0.000 claims description 4
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- 229910052709 silver Inorganic materials 0.000 claims description 4
- 239000010936 titanium Substances 0.000 claims description 4
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- YBYIRNPNPLQARY-UHFFFAOYSA-N 1H-indene Chemical class C1=CC=C2CC=CC2=C1 YBYIRNPNPLQARY-UHFFFAOYSA-N 0.000 claims 1
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- 229910052719 titanium Inorganic materials 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 abstract description 8
- 238000013112 stability test Methods 0.000 abstract description 4
- 239000010410 layer Substances 0.000 description 84
- 239000010408 film Substances 0.000 description 48
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- XDXWNHPWWKGTKO-UHFFFAOYSA-N 207739-72-8 Chemical compound C1=CC(OC)=CC=C1N(C=1C=C2C3(C4=CC(=CC=C4C2=CC=1)N(C=1C=CC(OC)=CC=1)C=1C=CC(OC)=CC=1)C1=CC(=CC=C1C1=CC=C(C=C13)N(C=1C=CC(OC)=CC=1)C=1C=CC(OC)=CC=1)N(C=1C=CC(OC)=CC=1)C=1C=CC(OC)=CC=1)C1=CC=C(OC)C=C1 XDXWNHPWWKGTKO-UHFFFAOYSA-N 0.000 description 6
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 6
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- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
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- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 2
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- -1 alkynes small molecule Chemical class 0.000 description 2
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- 229910052739 hydrogen Inorganic materials 0.000 description 2
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- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- MWQJGSUQGMJVCS-UHFFFAOYSA-N N=[S+]C(F)(F)F.[Li] Chemical compound N=[S+]C(F)(F)F.[Li] MWQJGSUQGMJVCS-UHFFFAOYSA-N 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 229920001167 Poly(triaryl amine) Polymers 0.000 description 1
- ZMZDMBWJUHKJPS-UHFFFAOYSA-M Thiocyanate anion Chemical compound [S-]C#N ZMZDMBWJUHKJPS-UHFFFAOYSA-M 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
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- 150000001345 alkine derivatives Chemical class 0.000 description 1
- 125000003277 amino group Chemical group 0.000 description 1
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- TVFDJXOCXUVLDH-UHFFFAOYSA-N caesium atom Chemical compound [Cs] TVFDJXOCXUVLDH-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- PDZKZMQQDCHTNF-UHFFFAOYSA-M copper(1+);thiocyanate Chemical compound [Cu+].[S-]C#N PDZKZMQQDCHTNF-UHFFFAOYSA-M 0.000 description 1
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- 229910052732 germanium Inorganic materials 0.000 description 1
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- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- PNDPGZBMCMUPRI-UHFFFAOYSA-N iodine Chemical compound II PNDPGZBMCMUPRI-UHFFFAOYSA-N 0.000 description 1
- WFKAJVHLWXSISD-UHFFFAOYSA-N isobutyramide Chemical compound CC(C)C(N)=O WFKAJVHLWXSISD-UHFFFAOYSA-N 0.000 description 1
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Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/549—Organic PV cells
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Landscapes
- Photovoltaic Devices (AREA)
Abstract
The utility model provides a kind of solar cell based on poly- hexadine/perovskite nano compound film, belongs to technical field of solar batteries.The utility model includes substrate and stacks gradually in the transparency electrode on the substrate, electron transfer layer, perovskite light-absorption layer, hole transmission layer and metal electrode that perovskite light-absorption layer is poly- hexadine/perovskite nano compound film.Sluggish problem when the utility model can solve the problem that poor stability test present in prior art, current density and voltage curve are tested, can effectively improve carrier mobility and battery conversion efficiency, lift stability test.
Description
Technical field
The utility model belongs to technical field of solar batteries, more particularly to a kind of based on poly- hexadine/perovskite nanometer
The solar cell of laminated film.
Background technology
It is one of important channel of solution environmental pollution and energy crisis to convert the solar into electric energy, in recent years with calcium titanium
Ore deposit is swift and violent for the novel solar battery development of light absorbent, and transformation efficiency has been promoted to 22.1%（Authentication efficiency）, receive more
Carry out the concern of more researchers.
Perovskite light-absorption layer as perovskite solar cell core, its quality of forming film plays certainly to battery performance
Qualitative effect.The film forming of perovskite is closely related with the preparation technology of perovskite, at present main preparation means have solwution method,
Vacuum deposition method, steam assisted deposition etc..Wherein solwution method because process is simple, it is with low cost be widely used.But solution
Method is easily influenceed by many factors, and the perovskite film controllability of preparation is poor.Therefore growth, the improvement of control perovskite thin film
Its filming performance is very crucial to improving the photoelectric properties of device.
In order to regulate and control perovskite light-absorption layer thin film growth process, improve film quality, there are many technologies to be reported.
Add additive to regulate and control perovskite pattern in precursor solution, be a kind of simple, the effective means for optimizing battery performance.Mesh
Before, many seminar have carried out the related work of the admixed with additives in perovskite material, for example：The chloride presoma of doping
（CH3NH3Cl、NH4Cl、PbCl2）, inorganic acid（HI, hypophosphorous acid）, high molecular polymer（PEG, PVP etc.）Deng polytype.Grind
Study carefully the introducing for showing additive, can to a certain extent improve the film forming and crystal property of perovskite, and then improve battery
Photoelectric transformation efficiency improves device stability.
But the mechanism that some additives improve perovskite film forming is still unintelligible, improvement also has certain limitation
Property, such as battery operationally exports unstable, and the life-span is poor, current density and voltage（J-V）It is sluggish existing when curve is tested
As serious.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of based on poly- hexadine/perovskite nano compound film
Solar cell, can solve the problem that poor stability test present in prior art, current density and voltage curve test time lag
Stagnant problem, can effectively improve carrier mobility and battery conversion efficiency, lift stability test.
In order to solve the above technical problems, the utility model is adopted the technical scheme that：Based on poly- hexadine/perovskite nanometer
The solar cell of laminated film, including substrate and stack gradually in the transparency electrode on the substrate, electron transfer layer, perovskite
Light-absorption layer, hole transmission layer and metal electrode, the perovskite light-absorption layer are poly- hexadine/perovskite nano compound film.
Further, described perovskite light-absorption layer film thickness is 80-800nm.
Further, described perovskite light-absorption layer film thickness is 200-400nm.
Further, described electron transfer layer thickness is 5-150nm.
Further, described electron transfer layer thickness is 10-50nm
Further, the thickness of described hole transmission layer is 5-300nm.
Further, the thickness of described hole transmission layer is 10-150nm.
Further, described electron transfer layer is selected from TiO2、SnO2, ZnO, fullerene derivate PC61BM, fullerene spread out
Biological PC71Chelate TIPD, ICBA or C of BM, titanium60Any one in derivative.
Further, the metal electrode is selected from the one kind in metal material gold, silver, copper, aluminium.
The beneficial effects of the utility model are：
（1）Perovskite extinction layer film of the present utility model is poly- hexadine/perovskite nano compound film, is in calcium titanium
The hexadine containing various functional groups is added in ore deposit precursor solution, increases the crystallite dimension and compactness of extinction layer film, obtained
High-quality perovskite thin film, significantly improves the photoelectric properties and its stability of battery.
（2）The utility model uses hexadine, is conducive to the transmission of photo-generated carrier, reduces Carrier recombination probability,
Improve stability, the test hesitation of abatement device of device output.
Brief description of the drawings
Fig. 1 is the knot of the solar cell embodiment that the utility model is based on poly- hexadine/perovskite nano compound film
Structure schematic diagram.
In figure：1- substrates, 2- transparency electrodes, 3- electron transfer layers, 4- perovskites light-absorption layer, 5- hole transmission layers, 6- gold
Category electrode.
Specific embodiment
In order that the purpose of this utility model, technical scheme and advantage become more apparent, below in conjunction with accompanying drawing and implementation
Example, is further elaborated to the utility model.It should be appreciated that specific embodiment described herein is only used to explain
The utility model, is not used to limit the utility model.
The utility model provides a kind of solar cell based on poly- hexadine/perovskite nano compound film, embodiment
Structure referring to Fig. 1, based on the solar cell of poly- hexadine/perovskite nano compound film, including substrate and stack gradually in
Transparency electrode, electron transfer layer, perovskite light-absorption layer, hole transmission layer and metal electrode on the substrate, perovskite light-absorption layer
It is poly- hexadine/perovskite nano compound film.The solar cell that the utility model is provided, perovskite light-absorption layer is poly- second two
Alkynes/perovskite nano compound film, can effectively improve carrier mobility and battery conversion efficiency, slow during elimination battery testing
Stagnant phenomenon.
Further, perovskite light-absorption layer film thickness is 80-800nm.
Further, perovskite light-absorption layer film thickness is 200-400nm.
Further, electron transfer layer thickness is 5-150nm.
Further, electron transfer layer thickness is 10-50nm
Further, the thickness of hole transmission layer is 5-300nm.
Further, the thickness of hole transmission layer is 10-150nm.
Further, electron transfer layer is selected from TiO2、SnO2, ZnO, fullerene derivate PC61BM, fullerene derivate
PC71Chelate TIPD, ICBA or C of BM, titanium60Any one in derivative.
Further, metal electrode is selected from the one kind in metal material gold, silver, copper, aluminium.
In order to further be explained to the utility model, give herein based on poly- hexadine/perovskite nanometer
The preparation method of the solar cell of laminated film, comprises the following steps：
First, prepare transparency electrode on substrate, clean transparency electrode, cleaned after etched electrodes pattern, drying, ultraviolet/smelly
Oxygen treatment；
2nd, electron transfer layer is prepared on the transparent electrodes；
3rd, perovskite coating fluid is coated on the surface of electron transfer layer, prepares perovskite light-absorption layer；
4th, hole transmission layer is prepared on the surface of perovskite light-absorption layer；
5th, metal electrode is prepared in hole transport layer surface.
Perovskite extinction layer film is prepared by following methods：Perovskite persursor material is uniformly divided with hexadine small molecule
Dissipate in polar organic solvent, form perovskite solution；Coating fluid is passed through into knife coating, spin-coating method, spraying process or inkjet printing
In electric transmission layer surface, high temperature drying annealing obtains poly- hexadine/perovskite nano compound film.
Wherein, the amino group at hexadine small molecule two ends can be embedded in inside perovskite crystalline lattice, with perovskite presoma
Material interacts, and regulates and controls crystallization and the growth course of perovskite, forms it into the network structure of three-dimension interaction, increases light-absorption layer
The crystallite dimension and compactness of film, improve the photoelectric transformation efficiency of battery.Simultaneously because intermolecular strong hydrogen bond is mutual
Effect, hexadine small molecule meeting regular array, during perovskite thin film heating anneal, can occur topology under the action of heat
Polymerization forms poly- hexadine.In the perovskite thin film under the chanza of iodine, poly- hexadine has certain charge transport ability,
Organic conductive network is formed in situ in perovskite intercrystalline, is conducive to light induced electron to transmit, reduce Carrier recombination probability, improved
Stability, the test hesitation of abatement device of device output.
On the basis of above-described embodiment, further, the composition and mass fraction of perovskite coating fluid are：
Perovskite persursor material 30%-50%
Hexadine small molecule 1% -5%
Organic solvent 45%-65%
Wherein, the addition of hexadine small molecule can directly influence the pattern and electric conductivity of perovskite light-absorption layer.If second two
The addition ＜ 1wt% of alkynes small molecule, can cannot play a part of auxiliary film forming and transmission electric charge.And if hexadine small molecule
Addition ＞ wt5%, then can make purity, quality of forming film and the optical property of influence perovskite crystal grain.Wherein, further illustrate
, wt is the english abbreviation of weight, refers to the meaning of weight percentage, and 1wt%=10000ppm, ppm are in the millions
Content.
On the basis of above-described embodiment, further technical scheme is, hexadine small molecule is selected from chemical general formula
NH3-(CH2)n-R1-X1-CH≡CH-X2-R2-(CH2)n- NH3One or more, wherein, R1、R2Substitution base can be mutually the same
Or it is different, can be urea groups or carbamate groups；X1、X2Substitution base can be same to each other or different to each other, and be alkylidene-(CH2)n1-
Or the alkylidene containing oxygen atom in one or more chains, n1It is 1-6；The span of n is 0-8.Wherein, Amino End Group group can
It is incorporated into inside perovskite crystalline lattice, plays a part of to make to be crosslinked between perovskite crystal grain, improves the consistency and coverage rate of film,
Avoid the formation of needle pore defect.Additionally, the introducing of urea groups and carbamate groups can make have stronger between hexadine small molecule
Interaction of hydrogen bond, can be regularly arranged in thermal annealing and there is topology aggregation in situ.X1、X2Group can make hexadine molecule
With certain segment mobility.
In embodiment, further, perovskite coating fluid preparation organic solvent may be selected from：Dimethylformamide
(DMF), dimethyl sulfoxide (DMSO) (DMSO), 1-METHYLPYRROLIDONE（NMP）, gamma-butyrolacton（GBL）, dimethylacetylamide (DMAc)
In one or more.
In embodiment, further, perovskite persursor material is ABXnY selected from chemical general formula3- n type crystal knots
One or more material of structure is formed, and wherein A is caesium（Cs）、H、NH4, methylamine（CH3NH3）, primary amine CH3CH2NH3, secondary amine CH3
(CH2)2NH3, tertiary amine CH3(CH2)3NH3, first miaow NH2=CHNH2In one or more combination；B is Pb, germanium Ge, tin Sn wherein
Plant or two kinds；X, Y are Cl, Br, I, BF4, thiocyanate SCN, hexafluorophosphate PF6One of which or several compositions；n=1、2、
3；Perovskite light-absorption layer film thickness can be 80-800nm, preferably 200-400nm.
In embodiment, further, poly- hexadine/perovskite nano compound film, annealing temperature elects 100-150 as
DEG C, annealing time is 30-120min, preferably 60-90min.In the range of this temperature and time, perovskite is contributed to be formed greatly
The film of crystallite dimension, while fully carrying out in-situ polymerization between making hexadine small molecule.Temperature is too low to be unfavorable for perovskite
Crystallization and the polymerization of hexadine small molecule, and temperature is too high, there is a possibility that perovskite thin film is decomposed.
In embodiment, further, described electron transfer layer is selected from TiO2、SnO2, ZnO, fullerene derivate
PC61BM, fullerene derivate PC71Chelate TIPD, ICBA or C of BM, titanium60Any one in derivative；Thickness is 5-
150nm, preferably 10-50nm.
In embodiment, further, described hole transmission layer may be selected from Spiro-OMeTAD, PEDOT:PSS 、
P3In HT, PCPDTBT, PTAA, NPB and TPD organic material any one or selected from CuSCN, CuI, NiO, V2O5And MoO3In
Any one inorganic material；The thickness of described hole transmission layer is 5-300nm, preferably 10-150nm.Wherein, Spiro-
OMeTAD is a kind of transmission layer material, PEDOT：PSS（3,4-rthylene dioxythiophene/poly- 4 SSS）It is a kind of high score
Sub- aqueous solutions of polymers, P3HT, PCPDTBT are also conventional organic polymer semiconductor material, and TPD is a kind of aromatic amine fluorescence
Compound, with strong fluorescence, good carrier transportation performance, heat endurance and chemical stability.
In embodiment, further, metal electrode may be selected from one or more in metal material gold, silver, copper, aluminium,
Also selected from carbon, electrically conducting transparent silver wire film, clear PE DOT：One kind in PSS conducting membrane materials.
The preparation method of the solar cell referred to the utility model with reference to embodiment is made further specifically
It is bright.
Embodiment 1
Step 1, prepares transparency electrode：
Fluorin doped tin-oxide FTO electro-conductive glass is etched into electrode pattern, after being cleaned with detergent, successively in deionization
It is cleaned by ultrasonic 10min in water, absolute ethyl alcohol, acetone, isopropanol, is then dried up with nitrogen, UV/ozone treatment 30min.
Step 2, prepares electron transfer layer：
Ald is used on transparency electrode surface（ALD）Method, preparation forms the TiO that thickness is 25nm2Electronics is passed
Defeated layer.
Step 3, prepares perovskite light-absorption layer：
Perovskite coating fluid is prepared：By equimolar than PbI2And CH3NH3I materials are dissolved in dimethylformamide（DMF）
In solvent, it is the solution of 40wt% to obtain concentration；After adding the reaction of 1wt% hexadines small molecule uniform, perovskite painting is prepared
Cloth liquid.The molecular formula of hexadine small molecule is：NH3-(CH2)n-R1-X1-CH≡CH-X2-R2-(CH2)n- NH3, wherein R1、R2
Substitution base is identical, is urea groups；X1、X2Substitution base is identical, is alkylidene-(CH2)n1, n1It is 6；The value of n is 8.
Under nitrogen protection, perovskite light-absorption layer is prepared by solution spin-coating method in electric transmission layer surface, taken a certain amount of
Perovskite coating fluid is added dropwise in electric transmission layer surface, rotating speed 6500rpm, time 40s, then in 100 DEG C of heating anneals
60min, forms the thick poly- hexadine/CH of 300nm3NH3PbI3Perovskite nano compound film.
Step 4, prepares hole transmission layer：
Under nitrogen protection, hole transmission layer is prepared using spin-coating method on perovskite light-absorption layer, respectively by 75 mg
Tetra-tert pyridine t-BP, 16.6ml bis trifluoromethyl sulfimide lithium of spiro- OMeTAD, 26.5ml（Li-TFSI）Plus
Enter in the chlorobenzene of 1 ml, hole transmission layer solution is formed after dissolving.It is spin-coated on perovskite extinction layer surface, rotating speed
3500 rpm, the s of time 40, obtain the hole transmission layer that thickness is 90nm.
Step 5, prepares metal electricity level：
Gold electrode is prepared using thermal evaporation methods in hole transport layer surface, in ＜ 5 × 10-4Under Pa vacuums, vacuum is steamed
Plating thickness is the gold electrode of 80nm.
The device architecture of the solar cell based on poly- hexadine/perovskite nano compound film prepared by the above method is such as
Shown in Fig. 1：Glass substrate, transparency electrode FTO, electron transfer layer TiO2, poly- hexadine/perovskite nano compound film（Poly- second
Diine/CH3NH3PbI3）, hole transmission layer spiro-OMeTAD, metal electrode Au, effective area is 0.12cm2, photoelectric properties
Data are shown in Table 1, and test condition is：Spatial distribution AM1.5G, intensity of illumination 1000W/m2, AAA solar simulators (Japan
SAN-EI companies XES-502S+ELS155 types), J-V curves are measured with Keithly2400 type digital sourcemeters, all surveys
Examination is in atmospheric environment（25 DEG C, relative humidity 45RH%）Under carry out.
Embodiment 2
Step 3, prepares perovskite light-absorption layer：
Perovskite coating fluid is prepared：By PbCl2、CH3NH3I is in molar ratio 3:1 is dissolved in DMF solvent, obtains concentration
It is the solution of 35wt%；After adding the reaction of 5wt% hexadines small molecule uniform, perovskite coating fluid is prepared.Small point of hexadine
Son molecular formula be：NH3-(CH2)n-R1-X1-CH≡CH-X2-R2-(CH2)n- NH3, wherein R1、R2Substitution base is identical, is urea
Base；X1、X2Substitution base is identical, is alkylidene-(CH2)n1, n1It is 1；The value of n is 3.
Under nitrogen protection, perovskite light-absorption layer is prepared by solution spin-coating method in electric transmission layer surface, taken a certain amount of
Perovskite coating fluid is added dropwise in electric transmission layer surface, rotating speed 5000rpm, time 40s, then in 150 DEG C of heating anneals
30min, forms the thick poly- hexadine/CH of 280nm3NH3PbI3- xClx perovskite nano compound films.
Other step preparation methods are with embodiment 1.
The device architecture of the solar cell based on poly- hexadine/perovskite nano compound film prepared by the above method is such as
Shown in Fig. 1：Glass substrate, transparency electrode FTO, electron transfer layer TiO2, poly- hexadine/perovskite nano compound film（Poly- second
Diine/CH3NH3PbI3-xClx）, hole transmission layer spiro-OMeTAD, metal electrode Au, effective area is 0.12cm2, light
Electrical performance data is shown in Table 1, and test condition is with embodiment 1.
Embodiment 3
Step 3, prepares perovskite light-absorption layer：
Perovskite coating fluid is prepared：By equimolar than PbI2And CH3NH3I materials are dissolved in DMF solvent, obtain concentration
It is the solution of 50wt%；After adding the reaction of 2wt% hexadines small molecule uniform, perovskite coating fluid is prepared.Small point of hexadine
Son molecular formula be：NH3-(CH2)n-R1-X1-CH≡CH-X2-R2-(CH2)n- NH3, wherein R1、R2Substitution base is differed, R1For
Urea groups, R2It is carbamate groups；X1、X2Substitution base is identical, is alkylidene-(CH2)n1, n1It is 4；The value of n is 0.
Under nitrogen protection, perovskite light-absorption layer is prepared by solution spin-coating method in electric transmission layer surface, taken a certain amount of
Perovskite coating fluid is added dropwise in electric transmission layer surface, rotating speed 6000rpm, time 40s, then in 100 DEG C of heating anneals
120min, forms the thick poly- hexadine/CH of 500nm3NH3PbI3Perovskite nano compound film.
Other step preparation methods are with embodiment 1.
The device architecture of the solar cell based on poly- hexadine/perovskite nano compound film prepared by the above method is such as
Shown in Fig. 1：Glass substrate, transparency electrode FTO, electron transfer layer TiO2, poly- hexadine/perovskite nano compound film（Poly- second
Diine/CH3NH3PbI3）, hole transmission layer spiro-OMeTAD, metal electrode Au, effective area is 0.12cm2, photoelectric properties
Data are shown in Table 1, and test condition is with embodiment 1.
Embodiment 4
Step 3, prepares perovskite light-absorption layer：
Perovskite coating fluid is prepared：By PbCl2、CH3NH3I is in molar ratio 3:1 is dissolved in DMF solvent, obtains concentration
It is the solution of 30wt%；After adding the reaction of 3wt% hexadines small molecule uniform, perovskite coating fluid is prepared.Small point of hexadine
Son molecular formula be：NH3-(CH2)n-R1-X1-CH≡CH-X2-R2-(CH2)n- NH3, wherein R1、R2Substitution base is identical, is urea
Base；X1、X2Substitution base is differed, X1It is alkylidene-(CH2)n1, n1It is 3；X1For in chain containing two alkylidenes of oxygen atom-
(CH2)n1, n1The value for being 6, n is 8.
Under nitrogen protection, perovskite light-absorption layer is prepared by solution spin-coating method in electric transmission layer surface, taken a certain amount of
Perovskite coating fluid is added dropwise in electric transmission layer surface, rotating speed 3500rpm, time 40s, then in 150 DEG C of heating anneals
60min, forms the thick poly- hexadine/CH of 200nm3NH3PbI3-xClxPerovskite nano compound film.
Other step preparation methods are with embodiment 1.
The device architecture of the solar cell based on poly- hexadine/perovskite nano compound film prepared by the above method is such as
Shown in Fig. 1：Glass substrate, transparency electrode FTO, electron transfer layer TiO2, poly- hexadine/perovskite nano compound film（Poly- second
Diine/CH3NH3PbI3-xClx）, hole transmission layer spiro-OMeTAD, metal electrode Au, effective area is 0.12cm2, light
Electrical performance data is shown in Table 1, and test condition is with embodiment 1.
Comparative example 1
Step 3, prepares perovskite light-absorption layer：
Perovskite coating fluid is prepared：By equimolar than PbI2And CH3NH3I materials are dissolved in DMF solvent, obtain concentration
It is the perovskite coating fluid of 40wt%.Under nitrogen protection, perovskite extinction is prepared by solution spin-coating method in electric transmission layer surface
Layer, takes a certain amount of perovskite coating fluid and is added dropwise in electric transmission layer surface, rotating speed 6500rpm, time 40s, then at 100 DEG C
Heating anneal 60min, forms the thick CH of 300nm3NH3PbI3Perovskite extinction layer film.
Other step preparation methods are with embodiment 1.
The structure of solar cell of perovskite nano compound film prepared by the above method is：Glass substrate, transparent electricity
Pole FTO, electron transfer layer TiO2, perovskite thin film CH3NH3PbI3, hole transmission layer spiro-OMeTAD, metal electrode Au,
Effective area is 0.12cm2, photoelectric properties data are shown in Table 1, and test condition is with embodiment 1.
From table 1 it follows that the current density and open-circuit voltage of comparative example 1 are less than the solar-electricity based on poly- hexadine
Pond, the conversion efficiency of battery is relatively low, and the stability under dry, dark-state further demonstrate also below the utility model embodiment
Effect described in the utility model.
Table 1：Battery structure embodiment shown in Fig. 1 and comparative example data
Preferred embodiment of the present utility model is the foregoing is only, is not used to limit the utility model, it is all at this
Any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (9)
1. the solar cell based on poly- hexadine/perovskite nano compound film, it is characterised in that including substrate and successively layer
It is laminated on transparency electrode on the substrate, electron transfer layer, perovskite light-absorption layer, hole transmission layer and metal electrode, the calcium titanium
Ore deposit light-absorption layer is poly- hexadine/perovskite nano compound film.
2. the solar cell of poly- hexadine/perovskite nano compound film is based on as claimed in claim 1, and its feature exists
In described perovskite light-absorption layer film thickness is 80-800nm.
3. the solar cell of poly- hexadine/perovskite nano compound film is based on as claimed in claim 2, and its feature exists
In described perovskite light-absorption layer film thickness is 200-400nm.
4. the solar cell of poly- hexadine/perovskite nano compound film is based on as claimed in claim 1, and its feature exists
In described electron transfer layer thickness is 5-150nm.
5. the solar cell of poly- hexadine/perovskite nano compound film is based on as claimed in claim 4, and its feature exists
In described electron transfer layer thickness is 10-50nm.
6. the solar cell of poly- hexadine/perovskite nano compound film is based on as claimed in claim 1, and its feature exists
In the thickness of described hole transmission layer is 5-300nm.
7. the solar cell of poly- hexadine/perovskite nano compound film is based on as claimed in claim 6, and its feature exists
In the thickness of described hole transmission layer is 10-150nm.
8. the solar cell of poly- hexadine/perovskite nano compound film is based on as claimed in claim 1, and its feature exists
In described electron transfer layer is selected from TiO2、SnO2, ZnO, fullerene derivate PC61BM, fullerene derivate PC71BM, titanium lead
The double addition C of alloy-layer TiPd, indenes60Derivative I CBA or C60Any one in derivative.
9. the solar cell of poly- hexadine/perovskite nano compound film is based on as claimed in claim 1, and its feature exists
In metal electrode is selected from the one kind in metal material gold, silver, copper, aluminium.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106531889A (en) * | 2016-12-26 | 2017-03-22 | 英利集团有限公司 | Poly-hexadine/perovskite nanocomposite film-based solar cell and preparation method |
| CN109659394A (en) * | 2018-12-14 | 2019-04-19 | 北京化工大学 | A kind of preparation method and application of high quality full-inorganic perovskite thin film material |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106531889A (en) * | 2016-12-26 | 2017-03-22 | 英利集团有限公司 | Poly-hexadine/perovskite nanocomposite film-based solar cell and preparation method |
| CN106531889B (en) * | 2016-12-26 | 2019-04-23 | 英利集团有限公司 | Based on poly- hexadine/perovskite nano compound film solar battery and preparation method |
| CN109659394A (en) * | 2018-12-14 | 2019-04-19 | 北京化工大学 | A kind of preparation method and application of high quality full-inorganic perovskite thin film material |
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