CN110323336A - A kind of method of fluorescence doping coating enhancing perovskite solar cell stability - Google Patents
A kind of method of fluorescence doping coating enhancing perovskite solar cell stability Download PDFInfo
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Abstract
The invention discloses a kind of methods of fluorescence doping coating enhancing perovskite solar cell stability, belong to perovskite solar battery and coatings art.Method includes the following steps: (1) dissolves a polymer in solvent, heating stirring dissolves to obtain a certain concentration polymer solution, then fluorescent molecule is dissolved in polymer solution, to obtain fluorescence doped solution；(2) battery light-receiving surface is subjected to cleaning and plasma surface treatment, fluorescence doped solution is coated in the light-receiving surface of perovskite solar battery by way of a step spin-coating method.Its stability that can enhance perovskite solar battery as fluorescence doping coating, is conducive to the extensive use and development of perovskite solar battery.
Description
Technical field
The invention belongs to perovskite solar battery and coatings arts, increase more particularly, to a kind of fluorescence doping coating
The method of strong perovskite solar cell stability.
Background technique
Nowadays, energy problem becomes a great problem for perplexing us, therefore the energy for developing a kind of sustainable development is compeled
In the eyebrows and eyelashes.Solar energy is inexhaustible as a kind of reproducible clean energy resource, therefore wants reasonably exploitation benefit
With solar energy, one of the important trend of new energy development will be become by studying solar battery.
Perovskite solar battery is the solar battery using all solid state perovskite structure as light absorbent, this material
Preparation process is simple, and cost is relatively low, there is good development prospect.Perovskite solar battery has efficient photoelectric conversion special
Property, have currently reached 23.7% photoelectric conversion efficiency, it is seen that perovskite solar battery has powerful development potentiality.
But the halide perovskite material in perovskite solar battery is under conditions of ultraviolet light, moisture and oxygen
Degradation, which can occur, causes the very fast decline of battery efficiency even to be failed, so that stability test is very poor always, and then affects such
The industrialized development of battery.
Summary of the invention
The present invention aiming at the problems existing in the prior art, propose it is a kind of by fluorescence doping coating be coated in the perovskite sun
Enhance the method for perovskite solar cell stability on energy battery light-receiving surface.
To achieve the above object, as follows using technical solution:
A kind of method of fluorescence doping coating enhancing perovskite solar cell stability, comprising the following steps:
(1) it dissolves a polymer in solvent, heating stirring dissolves to obtain a certain concentration polymer solution, then fluorescent molecule is dissolved in
In polymer solution, to obtain fluorescence doped solution；
(2) battery light-receiving surface is subjected to cleaning and plasma surface treatment, fluorescence doped solution is passed through into a step spin-coating method
Mode is coated in the light-receiving surface of perovskite solar battery.
According to the above scheme, the fluorescent molecule described in step (1) is hydrophobic fluorescence molecule；Bis- { the 2- of specially 2,7-
[phenyl (tolyl) amino] -9,9- dimethyl-fluorenes -7- base } -9,9- dimethyl fluorene (2,7-Bis { 2- [phenyl (m-
Tolyl) amino] -9,9-dimethyl-fluor-ene-7-yl } -9,9-dimethyl-fluorene, MDP3FL)；It is described
Polymer be polyethyl methacrylate (PEMA), Tg be 60 °.
According to the above scheme, solvent described in step (1) is toluene；Heating temperature is 120 DEG C ~ 130 DEG C；Mixing speed
For the rpm of 1000 rpm ~ 1200.
According to the above scheme, polymer P EMA concentration mass fraction is 3% ~ 7% in step (2) the fluorescence doped solution, is dredged
Aqueous fluorescent molecule MDP3FL concentration mass fraction is 0.5% ~ 1.5%.
According to the above scheme, the perovskite solar battery sequentially consists of cell cathode layer (ITO), electron-transport
Layer (TiO2), perovskite active layer (MAPbI3), hole transmission layer (poly- [bis- (4- phenyl) (2,4,6- trimethylphenyl) amine]
(PTAA) and MoO3), anode (Ag).
According to the above scheme, the preparation of the perovskite solar battery:
The preparation of S1 electron transfer layer: by prepared TiO2Solution is spun on ITO substrate surface, and substrate is then placed in thermal station
Annealing, can be obtained the TiO of surfacing densification2Film；
The preparation of S2 perovskite thin film layer: the perovskite material is MAPbI3, prepared perovskite precursor solution is revolved
It applies on the electron transport layer, obtains perovskite thin film, be placed in thermal station and carry out thermal anneal process.
The preparation of S3 hole transmission layer: by prepared poly- [bis- (4- phenyl) (2,4,6- trimethylphenyl) amine]
(PTAA) solution is spun on calcium titanium ore bed, is placed in patterned mask, is put into without annealing, then by ITO piece
2 × 10 are evacuated to vacuum degree in coating machine-6Torr or more starts that MoO is deposited3To get arrive hole transmission layer.
The preparation of S4 metal electrode: MoO has been deposited3After continue be deposited Ag electrode.
Battery is packaged by S5: being packaged by ultraviolet light irradiation to done battery with case chip and uv-curable glue
Processing.
According to the above scheme, ito glass sheet resistance is 8 ~ 115 W cm in S12, 84 % of light transmission rate >；
According to the above scheme, annealing temperature described in step S1 and S2 is respectively 100 DEG C and 150 DEG C.
According to the above scheme, the illumination power of ultraviolet lamp described in S5 is 480 W.
It is preferably hydrophobic fluorescence molecule that the present invention, which is preferably PEMA as carrier and fluorescent molecule using polymer,
MDP3FL is mutually adulterated, and ultraviolet light can be absorbed and be converted into visible light, the fluorescence doping painting with hydrophobic property by finally obtaining
Layer, thin-film transparent is uniform, does not influence the transmitance of visible-range, and ultraviolet resistance is long according to the time, is used for perovskite solar-electricity
Pond can effectively enhance the stability of perovskite solar battery.
Specifically, need to meet the soluble easy film, ability for absorbing ultraviolet light conversion visible light, same in conjunction with fluoresent coating
When do not influence visible absorption, coating transmitance is high, and has the performances such as hydrophobicity, fluorescent molecule 2, the bis- { 2- [phenyl of 7-
(tolyl) amino] -9,9- dimethyl-fluorenes -7- base } -9,9- dimethyl fluorene (2,7-Bis { 2- [phenyl- (m-
tolyl)amino]-9,9-dimethyl-fluorene-7-yl}-9,9-dimethyl-fluo
- rene (MDP3FL)), the concentration mass fraction of fluorescent molecule is generally 0.5% ~ 2%；Polymeric oxidizer polymethyl
Acetoacetic ester (PEMA), polymer concentration mass fraction can reach ideal effect for 3% ~ 7%.
Compared with prior art, the present invention mainly having technological merit below:
The present invention prepares fluorescence doping coating, coating transparent using the combination of fluorescent molecule MDP3FL and polymer P EMA for the first time
It is smooth uniform, transmitance of the battery in visible-range is not influenced；It can be by harmful purple for perovskite solar battery
Outer light absorption is simultaneously converted into available visible light, reduces influence of the ultraviolet light to battery, has the irradiation of stronger ultraviolet resistance
Performance, Continuous irradiation 25 days in the UV lamp still have effect；Portion of water pair can be effectively reduced by having hydrophobic performance
The influence of battery substantially increases the stability of battery；Application method is simple, step film, easy to promote large-scale and nontoxic
It is harmless, it is pollution-free.
Detailed description of the invention
Fig. 1 is perovskite solar battery schematic diagram；
Fig. 2 is the schematic diagram that fluorescence doping coating is applied on perovskite solar battery；
Fig. 3 is the structural formula figure of hydrophobic fluorescence molecule MDP3FL；
Fig. 4 is the absorption transmitting figure of hydrophobic fluorescence molecule MDP3FL.Trendline a is absorption curve, and Trendline b is that transmitting is bent
Line, it can be seen that its absorbing wavelength meets absorbable ultraviolet light and be converted into visible light in 385 nm, launch wavelength in 440 nm
Performance；
Fig. 5 fluorescence doping coating applies the water contact angle figure on perovskite solar battery；
Fig. 6 is embodiment 4(PEMA mass fraction 3%, fluorescent molecule mass fraction MDP3FL0.5%) coating apply in perovskite
Water contact angle figure on solar battery；
Fig. 7 is embodiment 5(PEMA mass fraction 7%, fluorescent molecule mass fraction MDP3FL0.5%) coating apply in perovskite
Water contact angle figure on solar battery；
Fig. 8 is embodiment 1(0.5%), embodiment 2(1%), embodiment 3(1.5%) and 2% concentration of fluorescent molecule MDP3FL fluorescence
The visible light transmittance comparison diagram of coating and glass is adulterated, as seen from the figure the fluorescence doping of embodiment 1, embodiment 2, embodiment 3
Coating will not influence battery in the transmitance of visible-range, and can absorb ultraviolet light in ultraviolet light range；
Fig. 9 is the luminous intensity figure i.e. PL figure of fluorescence doping coating, and Trendline a is embodiment 1(0.5%) fluorescence doping coating PL
Curve, Trendline b are embodiment 2(1%) fluorescence adulterate coating PL curve；Trendline c is embodiment 3(1.5%) fluorescence mix
Miscellaneous coating PL curve；Trendline d is the fluorescence doping coating PL curve of 5 wt%PEMA and 2 wt%MDP3FL；
Figure 10 is embodiment 3(1.5%) in UV light durability figure of the fluorescence doping coating under ultraviolet light irradiation, Trendline
A, b, c, d, e are respectively to irradiate 0 day, 3 days, 5 days, 7 days, 25 days durability lines；
Figure 11 is embodiment 2(1%) in fluorescence doping coating device and uncoated device EQE comparison diagram, Trendline a is
The EQE curve of uncoated device, Trendline b are the EQE curve for having coated device；
Figure 12 is embodiment 1(0.5%) in fluorescence doping coating device and uncoated device stability contrast figure, trend
Line a is cated device efficiency normalized curve, and Trendline b is uncoated device efficiency normalized curve.
Specific embodiment
For a better understanding of the present invention, below with reference to the specific implementation case content that the present invention is furture elucidated, but this
The content of invention is not limited solely to following case study on implementation.Those skilled in the art can do various changes or be repaired to the present invention
Change, within the scope of such equivalent forms equally claims listed by the application limit.
Embodiment 1
Step (1) selects sheet resistance for 8 ~ 115 W cm2, 84 % of light transmission rate > and width is that a length of 2 cm gross area of 1.5 cm is
3cm2Ito glass be substrate, and be respectively cleaned by ultrasonic 10 min with ethyl alcohol and isopropanol.
Step (2) electron transfer layer TiO2The preparation of layer.
It takes 30 mL solution to be spun on ITO substrate surface with the speed of 3000 rpm-40 s, film is placed in 150 °C of heat
30 min are handled on platform, can be obtained the TiO of surfacing densification2Film.
The preparation of step (3) perovskite thin film
Prepared perovskite precursor solution is spun on TiO2Layer, obtains calcium titanium ore bed film, and by the perovskite of preparation
Film is placed in progress 30 min of thermal annealing in 100 °C of thermal station, and the perovskite thin film of the smooth densification in surface can be obtained.
Step (4) hole transport strata [bis- (4- phenyl) (2,4,6- trimethylphenyl) amine] (PTAA) and MoO3Layer
Preparation
By prepared poly- [bis- (4- phenyl) (2,4,6- trimethylphenyl) amine] (PTAA) solution with 3000 rpm -40 s
Speed be spun on perovskite thin film, without annealing；ITO piece is placed in patterned mask, coating machine is put into
In, 2 × 10 are evacuated to vacuum degree-6Torr or more starts that MoO is deposited3, to obtain hole transmission layer.
The preparation of step (5) metal electrode
MoO has been deposited3Continue evaporation metal later to Electrode Ag.
Step (6) is packaged perovskite solar battery
Battery is packaged by ultraviolet 20 s of light irradiation with case chip and uv-curable glue.
The preparation of step (7) fluorescence doping coating solution
It weighs 52.3 mg polymer P EMA to be dissolved in 1150 mL toluene solvants, add at 120 °C of temperature, 1000 rpm revolving speeds
Thermal agitation dissolution is configured to mass fraction and is the polymer solution of 5% concentration, then weighs 5 mg fluorescent molecule MDP3FL and be dissolved in polymerization
It is 5% that PEMA mass fraction is configured in object solution, and the fluorescence doping that the mass fraction of fluorescent molecule MDP3FL is 0.5%-2% is molten
Liquid.
The preparation of step (8) fluorescence doping coating
Respectively it is cleaned by ultrasonic 10 min of sheet glass with ethyl alcohol, isopropanol, then sheet glass is dried up and carries out Plasma plasma surface
Processing, taking the prepared solution of 40 mL to be spin-coated on width in a manner of a step spin coating of 3000 rpm -40 s is 1.5 cm a length of 2
The cm gross area is 3cm2Glass on, obtain the uniform fluoresent coating of flat transparent.
The test of perovskite solar cell stability
The battery (as control) of cated battery and non-coating layer will be applied while being placed on the atmospheric environment that humidity is 30% ~ 70%
Middle 900 h of Continuous irradiation ultraviolet light, the photoelectric properties such as the EQE and PCE of two groups of batteries of continuance test, compares the efficiency of two groups of batteries
Variation.
As shown in Fig. 8, the combination for the MDP3FL that b Trendline is the PEMA that mass fraction is 5% and mass fraction is 0.5%
The transmitance of fluoresent coating, a Trendline is the transmitance of glass, it may be seen that the fluoresent coating that MDP3FL concentration is 0.5%
94% ultraviolet light is absorbed in ultraviolet portion and transmitance does not decline in visible-range.
It is coating prepared by the MDP3FL that mass fraction is 0.5%-2% and the PEMA that mass fraction is 5% as shown in Figure 9
PL curve graph, we as can be seen from the figure fluorescent molecule 440 nm or so emit, and MDP3FL mass fraction be 0.5% when,
Its luminous intensity compared to other concentration be it is highest, in conjunction with Fig. 4 we can see that fluorescence doping coating is can will be ultraviolet
Light absorption is simultaneously converted to visible light.
As shown in figure 12, a Trendline is the variation of cated battery efficiency, and b Trendline is the battery efficiency of non-coating layer
Variation.Though should be apparent that cated battery efficiency after irradiating 900 h under ultraviolet light from the variation of two curves
Have and a little decline, but it is whole be it is more stable, illustrate that the steady of perovskite solar battery can be enhanced in fluorescence doping coating
It is qualitative.
Embodiment 2
All steps and the method for preparing battery are identical with previous embodiment 1
The preparation of step (1) fluorescence doping coating solution
It weighs 26 mg polymer P EMA to be dissolved in 572 mL toluene solvants, heats and stir at 125 °C of temperature, 1100 rpm revolving speeds
It mixes dissolution and is configured to concentration mass fraction and be 5% polymer solution, then weigh 5 mg fluorescent molecule MDP3FL to be dissolved in polymer molten
It is 3% that PEMA concentration mass fraction is configured in liquid, the fluorescence doped solution that fluorescent molecule MDP3FL concentration mass fraction is 1%.
The preparation of step (2) fluorescence doping coating
Respectively it is cleaned by ultrasonic 10 min of sheet glass with ethyl alcohol, isopropanol, then sheet glass is dried up and carries out Plasma surface treatment, is taken
It is a length of 2 cm gross area of 1.5 cm that the prepared solution of 45 mL is spin-coated on width in a manner of a step spin coating of 3000 rpm-40 s
For 3cm2Glass on, obtain the uniform fluoresent coating of flat transparent.
Step (3) fluorescence adulterates application of the coating on perovskite solar battery
Battery light-receiving surface is subjected to cleaning and surface ion processing, takes the prepared fluorescence doped solution of 45 mL with 3000 rpm
The speed of -40 s is spin-coated on the light-receiving surface of perovskite solar battery.
The test of step (4) perovskite solar cell stability
The battery of cated battery and non-coating layer will be applied while being placed on Continuous irradiation in the atmospheric environment that humidity is 30% ~ 70%
900 h of ultraviolet light, the photoelectric properties such as the EQE and PCE of two groups of batteries of continuance test, compares the change of the photoelectric properties of two groups of batteries
Change.
As shown in figure 8, the transmitance for the fluoresent coating that PEMA and 1 wt%MDP3FL that c Trendline is 5 wt% are combined, I
It can be seen that fluoresent coating absorbs 98% ultraviolet light in ultraviolet portion and transmitance does not decline in visible-range；
As shown in figure 11, a Trendline is the variation of uncoated battery EQE, and b Trendline is the change of the EQE of cated battery
Change.It can be seen that illustrating that coating is true compared to not having cated battery EQE to have dropped much in the cated battery of ultraviolet light range
The a large amount of ultraviolet light of tangible this site absorption.
Embodiment 3
All steps and the method for preparing battery are identical with previous embodiment 1
The preparation of step (1) fluorescence doping coating solution
It weighs 17.2 mg polymer P EMA to be dissolved in 379 mL toluene solvants, be heated at 130 °C of temperature, 1200 rpm revolving speeds
Stirring and dissolving is configured to mass fraction and is the polymer solution of 5% concentration, then weighs 5 mg fluorescent molecule MDP3FL and be dissolved in polymerization
It is 7% that PEMA concentration mass fraction is configured in object solution, and the fluorescence that fluorescent molecule MDP3FL concentration mass fraction is 1.5% adulterates
Solution.
The preparation of step (2) fluorescence doping coating
Respectively it is cleaned by ultrasonic 10 min of sheet glass with ethyl alcohol, isopropanol, then sheet glass is dried up and carries out Plasma surface treatment, is taken
It is a length of 2 cm gross area of 1.5 cm that the prepared solution of 50 mL is spin-coated on width in a manner of a step spin coating of 3000 rpm-40 s
For 3cm2Glass on, obtain the uniform fluoresent coating of flat transparent.
Step (3) fluorescence adulterates application of the coating on perovskite solar battery
Battery light-receiving surface is subjected to cleaning and surface ion processing, takes the prepared fluorescence doped solution of 50 mL with 3000 rpm-
The speed of 40 s is spin-coated on the light-receiving surface of perovskite solar battery.
The test of step (4) perovskite solar cell stability
The battery of cated battery and non-coating layer will be applied while being placed on Continuous irradiation in the atmospheric environment that humidity is 30% ~ 70%
900 h of ultraviolet light, the photoelectric properties such as the EQE and PCE of two groups of batteries of continuance test, compares the change of the photoelectric properties of two groups of batteries
Change.
As shown in figure 8, the transmitance for the fluoresent coating that PEMA and 1.5 wt%MDP3FL that d Trendline is 5 wt% are combined,
It may be seen that coating ultraviolet portion absorb almost 100% ultraviolet light and in visible-range transmitance not under
Drop；
As shown in Figure 10, after by 25 days, coating remains to absorb 40% ultraviolet light, it can be seen that fluorescence doping coating has
The stronger ability for bearing ultraviolet light.
Embodiment 4
All steps and the method for preparing battery are identical with previous embodiment 1
The preparation of step (1) fluorescence doping coating solution
It weighs 29.8 mg polymer P EMA to be dissolved in 1115 mL toluene solvants, add at 120 °C of temperature, 1000 rpm revolving speeds
Thermal agitation dissolution is configured to mass fraction and is the polymer solution of 3% concentration, then weighs 5 mg fluorescent molecule MDP3FL and be dissolved in polymerization
It is 3% that PEMA mass fraction is configured in object solution, the fluorescence doped solution that the mass fraction of fluorescent molecule MDP3FL is 0.5%.
The preparation of step (2) fluorescence doping coating
Respectively it is cleaned by ultrasonic 10 min of sheet glass with ethyl alcohol, isopropanol, then sheet glass is dried up and carries out Plasma plasma surface
Processing, taking the prepared solution of 40 mL to be spin-coated on width in a manner of a step spin coating of 3000 rpm -40 s is 1.5 cm a length of 2
The cm gross area is 3cm2Glass on, obtain the uniform fluoresent coating of flat transparent.
Step (3) fluorescence adulterates application of the coating on perovskite solar battery
Battery light-receiving surface is subjected to cleaning and surface ion processing, takes the prepared fluorescence doped solution of 50 mL with 3000 rpm-
The speed of 40 s is spin-coated on the light-receiving surface of perovskite solar battery.
The test of step (4) perovskite solar cell stability
The battery (as control) of cated battery and non-coating layer will be applied while being placed on the atmospheric environment that humidity is 30% ~ 70%
Middle 900 h of Continuous irradiation ultraviolet light, the photoelectric properties such as the EQE and PCE of two groups of batteries of continuance test, compares the efficiency of two groups of batteries
Variation.
As shown in fig. 6, be PEMA mass fraction being 3%, the fluorescence that the mass fraction of fluorescent molecule MDP3FL is 0.5% is adulterated
Coating applies the water contact angle figure on perovskite solar battery, it is seen that available uniform complete coating.
Embodiment 5
All steps and the method for preparing battery are identical with previous embodiment 1
The preparation of step (1) fluorescence doping coating solution
It weighs 69.6 mg polymer P EMA to be dissolved in 1068 mL toluene solvants, add at 120 °C of temperature, 1000 rpm revolving speeds
Thermal agitation dissolution is configured to mass fraction and is the polymer solution of 7% concentration, then weighs 5 mg fluorescent molecule MDP3FL and be dissolved in polymerization
It is 7% that PEMA mass fraction is configured in object solution, the fluorescence doped solution that the mass fraction of fluorescent molecule MDP3FL is 0.5%.
The preparation of step (2) fluorescence doping coating
Respectively it is cleaned by ultrasonic 10 min of sheet glass with ethyl alcohol, isopropanol, then sheet glass is dried up and carries out Plasma plasma surface
Processing, taking the prepared solution of 40 mL to be spin-coated on width in a manner of a step spin coating of 3000 rpm -40 s is 1.5 cm a length of 2
The cm gross area is 3cm2Glass on, obtain the uniform fluoresent coating of flat transparent.
Step (3) fluorescence adulterates application of the coating on perovskite solar battery
Battery light-receiving surface is subjected to cleaning and surface ion processing, takes the prepared fluorescence doped solution of 50 mL with 3000 rpm-
The speed of 40 s is spin-coated on the light-receiving surface of perovskite solar battery.
The test of step (4) perovskite solar cell stability
The battery (as control) of cated battery and non-coating layer will be applied while being placed on the atmospheric environment that humidity is 30% ~ 70%
Middle 900 h of Continuous irradiation ultraviolet light, the photoelectric properties such as the EQE and PCE of two groups of batteries of continuance test, compares the efficiency of two groups of batteries
Variation.
As shown in fig. 7, be PEMA mass fraction being 7%, the fluorescence that the mass fraction of fluorescent molecule MDP3FL is 0.5% is adulterated
Coating applies the water contact angle figure on perovskite solar battery, it is seen that available uniform complete coating.
Claims (9)
1. a kind of method of fluorescence doping coating enhancing perovskite solar cell stability, it is characterised in that: including following step
It is rapid:
(1) it dissolves a polymer in solvent, heating stirring dissolves to obtain a certain concentration polymer solution, then fluorescent molecule is dissolved in
In polymer solution, to obtain fluorescence doped solution；
(2) battery light-receiving surface is subjected to cleaning and plasma surface treatment, fluorescence doped solution is passed through into a step spin-coating method
Mode is coated in the light-receiving surface of perovskite solar battery.
2. the method for fluorescence doping coating enhancing perovskite solar cell stability according to claim 1, feature
Be: the fluorescent molecule described in step (1) is hydrophobic fluorescence molecule；Bis- { 2- [phenyl (the toluene of specially 2,7-
Base) amino] -9,9- dimethyl-fluorenes -7- base } -9,9- dimethyl fluorene；The polymer is polyethyl methacrylate.
3. the method for fluorescence doping coating enhancing perovskite solar cell stability according to claim 1, feature
Be: solvent described in step (1) is toluene；Heating temperature is 120 DEG C ~ 130 DEG C；Mixing speed be 1000 rpm ~
1200 rpm。
4. the method for fluorescence doping coating enhancing perovskite solar cell stability according to claim 1, feature
Be: polymer P EMA concentration mass fraction is 3% ~ 7% in step (2) the fluorescence doped solution, hydrophobic fluorescence molecule
MDP3FL concentration mass fraction is 0.5% ~ 1.5%.
5. the method for fluorescence doping coating enhancing perovskite solar cell stability according to claim 1, feature
Be: the perovskite solar battery sequentially consists of cell cathode layer (ITO), electron transfer layer (TiO2), calcium titanium
Mine active layer (MAPbI3), hole transmission layer (poly- [bis- (4- phenyl) (2,4,6- trimethylphenyl) amine] (PTAA) and MoO3), sun
Pole (Ag).
6. the method for fluorescence doping coating enhancing perovskite solar cell stability according to claim 5, feature
It is: the preparation of the perovskite solar battery:
The preparation of S1 electron transfer layer: by prepared TiO2Solution is spun on ITO substrate surface, and substrate is then placed in thermal station
Annealing, can be obtained the TiO of surfacing densification2Film；
The preparation of S2 perovskite thin film layer: the perovskite material is MAPbI3, by prepared perovskite precursor solution spin coating
On the electron transport layer, perovskite thin film is obtained, is placed in thermal station and carries out thermal anneal process；
The preparation of S3 hole transmission layer: prepared poly- [bis- (4- phenyl) (2,4,6- trimethylphenyl) amine] (PTAA) is molten
Liquid is spun on calcium titanium ore bed, is placed in patterned mask, is put into coating machine without annealing, then by ITO piece
2 × 10 are evacuated to vacuum degree-6Torr or more starts that MoO is deposited3To get arrive hole transmission layer；
The preparation of S4 metal electrode: MoO has been deposited3After continue be deposited Ag electrode；
Battery is packaged by S5: being packaged place to done battery by ultraviolet light irradiation with case chip and uv-curable glue
Reason.
7. the method for fluorescence doping coating enhancing perovskite solar cell stability according to claim 6, feature
Be: ito glass sheet resistance is 8 ~ 115 W cm in S12, 84 % of light transmission rate >.
8. the method for fluorescence doping coating enhancing perovskite solar cell stability according to claim 6, feature
Be: annealing temperature described in step S1 and S2 is respectively 100 DEG C and 150 DEG C.
9. the method for fluorescence doping coating enhancing perovskite solar cell stability according to claim 6, feature
Be: the illumination power of ultraviolet lamp described in S5 is 480 W.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101494248A (en) * | 2009-03-05 | 2009-07-29 | 中山大学 | Flat-plate concentration solar battery and method for manufacturing the same |
| EP2262024A1 (en) * | 2009-06-09 | 2010-12-15 | Institut de Ciències Fotòniques, Fundació Privada | Optical cavity controlled fluorescent photovoltaic cell |
| CN107768524A (en) * | 2017-12-04 | 2018-03-06 | 湖南师范大学 | A kind of perovskite solar cell of efficient stable and preparation method thereof |
-
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| CN101494248A (en) * | 2009-03-05 | 2009-07-29 | 中山大学 | Flat-plate concentration solar battery and method for manufacturing the same |
| EP2262024A1 (en) * | 2009-06-09 | 2010-12-15 | Institut de Ciències Fotòniques, Fundació Privada | Optical cavity controlled fluorescent photovoltaic cell |
| CN107768524A (en) * | 2017-12-04 | 2018-03-06 | 湖南师范大学 | A kind of perovskite solar cell of efficient stable and preparation method thereof |
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