CN109473550A - A kind of large area perovskite solar battery and preparation method thereof - Google Patents
A kind of large area perovskite solar battery and preparation method thereof Download PDFInfo
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Abstract
The invention belongs to perovskite solar batteries to prepare correlative technology field, it discloses a kind of large area perovskite solar battery and preparation method thereof, the solar battery includes substrate, the electron transfer layer on the surface for being formed in the substrate, the perovskite photosensitive layer being formed on surface of the electron transfer layer far from the substrate, the hole transmission layer being formed on the surface of the perovskite photosensitive layer far from the electron transfer layer and the carbon being formed on surface of the hole transmission layer far from the perovskite photosensitive layer to electrode；The hole transmission layer is copper phthalocyanine hole transport layer；The electron transfer layer is CdS electron transfer layer；The substrate is FTO substrate or ITO substrate.Large area preparation can be achieved in the present invention, and simple and easy, low energy consumption.
Description
Technical field
The invention belongs to perovskite solar batteries to prepare correlative technology field, more particularly, to a kind of large area calcium
Titanium ore solar battery and preparation method thereof.
Background technique
The energy is the important material base of human lives and social development, there is the energy confession close to 4/5 in worldwide
To derive from fossil energy, though the development of renewable energy has obtained a degree of promotion, the institute in global Energy Consumption
Accounting rate is still very faint.Along with sustained economic development, world population explosive increase, these three changes of coal, petroleum, natural gas
The stone energy constantly burns, and energy crisis is persistently deepened, and shows according to BP world energy sources statistical data, according to currently having verified fossil energy
Source reserves and exploitation rate, whole world coal resources are still developed 164 years, and natural gas is still available for answering 67 years, petroleum resources but only
It can maintain 40 years.The mankind will will lead to a large amount of releases of greenhouse gases to depending on unduly for fossil energy, further result in earth's surface
Temperature increases year by year, causes unusual weather conditions, destroy the ecological balance, cause acid rain, haze etc..In energy demand growing day by day and
Under the dual-pressure of environmental pollution, people are badly in need of an energy revolution, and the industrial structure of actively adjusting economy is abandoned first to pollute and be controlled afterwards
The development idea of reason researches and develops the renewable alternative energy source of green non-pollution energetically, walks sustainable development path.
The one kind of solar energy as clean reproducible energy, the energy crisis faced by the mankind and problem of environmental pollution
Solution imparts new hope, and the exploitation of solar battery technology is even more one of current era development trend, and wherein with calcium titanium
Mine solar battery be the third generation new concept solar battery of representative appearance be then photovoltaic industry development bring it is new
Opportunity.The perovskite material of hybrid inorganic-organic has direct band gap, wide absorption spectra, high absorptivity, taboo as light absorbing layer
With the advantages that adjustable, carrier mobility is high.Battery preparation technique is simple, cost is relatively low, solution processable, advises with suitable for big
The roll-to-roll technical matters of mould production is more agreed with.In addition, perovskite crystal film preparation temperature is low (to be usually no more than 150
DEG C), it is suitable for all kinds of flexible substrates, can satisfy the growth requirement that people are light to electronic product, thin, foldable, wearable.Calcium
Titanium ore battery belongs to all-solid-state battery, does not need liquid electrolyte, so carrying on a shoulder pole without as fuel sensitization solar battery
The problem of heart electrolyte leakage pollutes.Compared with organic photovoltaic devices, perovskite battery has more preferably stability, perovskite again
Material since 2009 for the first time applied to solar battery, its incident photon-to-electron conversion efficiency of a few years is developed rapidly, through beauty
The peak efficiency of state's National Renewable Energy Laboratory certification is up to 23.3%, more mature polysilicon, cadmium telluride with development
And copper-indium-galliun-selenium film solar cell is equally matched.In conclusion perovskite solar battery has very bright production
Industry prospect is the contenders of existing commercial solar cell.
However, more efficient solar battery all mainly prepares electron transfer layer, perovskite using spin-coating method at present
Photosensitive layer and hole transmission layer, and use gold as battery to electrode.Spin-coating method is simple, convenient and applicability is wide, but difficult
To realize large area homogeneous film formation.Preparation process based on spin-coating method limits the large area in perovskite solar battery future
Mass production.Using gold as the increased costs for also resulting in battery to electrode.Therefore, perovskite solar energy is constantly being promoted
While cell photoelectric transformation efficiency, it is also necessary to which research and development energetically are more suitable for the battery preparation technique of large area preparation, and find
Inexpensively to electrode material to reduce battery preparation cost.Correspondingly, this field there is develop one kind being capable of mass large area
The technical need of the large area perovskite solar battery of preparation and preparation method thereof.
Summary of the invention
Aiming at the above defects or improvement requirements of the prior art, the present invention provides a kind of large area perovskite solar-electricities
Pond and preparation method thereof, work and preparation characteristic based on existing perovskite solar battery, studies and devises a kind of energy
The large area perovskite solar battery and preparation method thereof of enough mass large area production.The perovskite solar battery is adopted
It is prepared with thermal evaporation process and knife coating, it can be achieved that prepared by large area, and simple and easy, preparation process temperature is lower, energy
It consumes lower.
To achieve the above object, according to one aspect of the present invention, a kind of large area perovskite solar battery is provided,
The solar battery includes substrate, the electron transfer layer on the surface for being formed in the substrate, is formed in the electron-transport
Layer far from the substrate surface on perovskite photosensitive layer, be formed in the perovskite photosensitive layer far from the electron transfer layer
Surface on hole transmission layer and the carbon pair that is formed on surface of the hole transmission layer far from the perovskite photosensitive layer
Electrode；
The hole transmission layer is copper phthalocyanine hole transport layer；The electron transfer layer is CdS electron transfer layer；The base
Bottom is FTO substrate or ITO substrate.
Further, the CdS electron transfer layer with a thickness of 10nm~100nm.
Further, the copper phthalocyanine hole transport layer with a thickness of 20nm~40nm.
Other side according to the invention provides a kind of preparation method of large area perovskite solar battery, should
Preparation method mainly comprises the steps that
(1) substrate is provided, and the substrate is cleaned；
(2) using cadmium sulfide powder as raw material, cadmium sulfide electron transfer layer is prepared on the substrate using thermal evaporation method；
(3) using knife coating, to prepare perovskite on the surface of the cadmium sulfide electron transfer layer far from the substrate photosensitive
Layer；
(4) using phthalocyanine copper powders as raw material, using thermal evaporation method in the perovskite photosensitive layer far from the vulcanization
Copper phthalocyanine hole transport layer is prepared on the surface of cadmium electron transfer layer；
(5) it is made on surface of the copper phthalocyanine hole transport layer far from the perovskite photosensitive layer using silk screen print method
Standby carbon is to electrode, and thus the solar battery preparation finishes.
Further, successively the substrate is cleaned by ultrasonic 15 minutes using dish washing liquid, acetone, ethyl alcohol, then uses and goes
Ionized water cleans the substrate, then with nitrogen that substrate drying is spare, finally using ultraviolet oxygen to the base treatment 30
Minute.
Further, operating current when thermal evaporation in step (2) is 100A~140A, while real-time using film thickness gauge
Monitor the thickness of the cadmium sulfide electron transfer layer.
Further, in step (3), the preheating temperature of substrate when blade coating is 100 DEG C~160 DEG C, and scraper is linearly walked
Knife speed is 0.5cm/s~1cm/s.
Further, the perovskite thin film scratched makes annealing treatment 60 minutes at 100 DEG C to obtain the perovskite
Photosensitive layer.
Further, in step (4), operating current when thermal evaporation is 70A~120A.
Further, the design silk-screen halftone according to the solar battery is further included the steps that before step (5)；
And after being printed in step (5), solar battery is dried 30 minutes at 80 DEG C.
In general, through the invention it is contemplated above technical scheme is compared with the prior art, it is provided by the invention big
Area perovskite solar battery and preparation method thereof mainly has the advantages that
1. the hole transmission layer is copper phthalocyanine hole transport layer；The electron transfer layer is CdS electron transfer layer, is improved
Electron mobility is more advantageous to photoelectric conversion, and prepared by large area easy to accomplish.
2. electron transfer layer uses cadmium sulfide, conventional Ti O is compared2, electron mobility is high, prepares cell series resistance
It is small, it is more advantageous to the promotion of cell light electric current, and then higher incident photon-to-electron conversion efficiency can be obtained；Meanwhile cadmium sulfide electron-transport
The forbidden bandwidth of layer is narrower, and when illumination, cadmium sulphide membrane can effectively stop ultraviolet light, prevent ultraviolet light to perovskite light
The destruction of photosensitive layer film, and then reinforce the stability of device, keep the output of battery more stable, longer life expectancy；In addition, CdS at
Membrane process temperature is low (< 200 DEG C), and high annealing (TiO is not necessarily to after film forming2Electron transfer layer usually requires 500 DEG C of high annealings),
Therefore it can form a film on a flexible substrate.
3. the hole transmission layer is made of CuPc, CuPc is small organic molecule, organic compared to tradition big
Molecular cavities transport layer Spiro-OMeTAD, PTAA etc. has preferable stability, and cost is lower, and is prepared using large area
Thermal evaporation process deposition, be more advantageous to the large area mass production of battery.
4. perovskite thin film is prepared using knife coating, simple and easy, manipulation is easy, it can be achieved that large area homogeneous film formation.
5. the carbon uses carbon material to electrode, there is lower cost, technical process is simpler, it is only necessary to which configuration is led
Electrical carbon pulp material, and used using silk-screen printing preparation, it is more advantageous to mass, the marketization production in battery future.
Detailed description of the invention
Fig. 1 is the structural schematic diagram for the large area perovskite solar battery that better embodiment of the present invention provides.
Fig. 2 is the flow diagram of the preparation method of the large area perovskite solar battery in Fig. 1.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.As long as in addition, technical characteristic involved in the various embodiments of the present invention described below
Not constituting a conflict with each other can be combined with each other.
Referring to Fig. 1, the large area perovskite solar battery that better embodiment of the present invention provides, the solar-electricity
Pond include substrate, the cadmium sulfide electron transfer layer (CdS electron transfer layer) on the surface for being formed in the substrate, be formed in it is described
Perovskite photosensitive layer on surface of the electron transfer layer far from the substrate is formed in the perovskite photosensitive layer far from the electricity
Hole transmission layer on the surface of sub- transport layer and it is formed in surface of the hole transmission layer far from the perovskite photosensitive layer
On carbon to electrode.The substrate is FTO (Fluorin doped stannic oxide) or ITO (tin indium oxide) substrate；The hole transmission layer
It is copper phthalocyanine hole transport layer (CuPc hole transmission layer).
In present embodiment, electron transfer layer uses cadmium sulfide, compares conventional Ti O2, electron mobility is high, does preparation electricity
Pond series resistance is small, is more advantageous to the promotion of cell light electric current, and then can obtain higher incident photon-to-electron conversion efficiency；Meanwhile vulcanizing
The forbidden bandwidth of cadmium electron transfer layer is narrower, and when illumination, cadmium sulphide membrane can effectively stop ultraviolet light, prevent ultraviolet light
Destruction to the photosensitive layer film of perovskite, and then reinforce the stability of device, keep the output of battery more stable, longer life expectancy.
The hole transmission layer is made of CuPc, and CuPc is small organic molecule, and big point organic compared to tradition
Sub- hole transmission layer Spiro-OMeTAD, PTAA etc. have preferable stability, and cost is lower, and using large area preparation
Thermal evaporation process deposition, is more advantageous to the large area mass production of battery.
The carbon uses carbon material to electrode, has lower cost, and technical process is simpler, it is only necessary to which configuration is conductive
Carbon pulp material, and used using silk-screen printing preparation, it is more advantageous to mass, the marketization production in battery future.
Referring to Fig. 2, the present invention also provides the preparation method of large area perovskite solar battery as described above, institute
State preparation method the following steps are included:
Step 1 provides FTO substrate or ITO substrate, and cleans to the substrate.Specifically, it successively uses and washes
Clean essence, acetone, ethyl alcohol are cleaned by ultrasonic the substrate 15 minutes, then clean the substrate using deionized water, then use nitrogen
Substrate drying is spare, finally using ultraviolet oxygen to the base treatment 30 minutes.
Step 2 provides cadmium sulfide powder, and prepares cadmium sulphide membrane on the substrate using thermal evaporation process, described
Cadmium sulphide membrane is the electron transfer layer of the large area perovskite solar battery.Specifically, use purity for 99.99%
Cadmium sulfide powder prepares cadmium sulphide membrane as raw material, and using thermal evaporation process；The background vacuum of apparatus cavity be 8 ×
10-4Pa, base reservoir temperature control is in room temperature within the scope of 200 DEG C.Operating current when evaporation is 100A~140A, while using film
Thick instrument real-time monitoring cadmium sulphide membrane thickness, and by the cadmium sulphide membrane thickness control within the scope of 10nm~100nm.
It is photosensitive to prepare perovskite on surface of the electron transfer layer far from the substrate using knife coating for step 3
Layer.Specifically, by CH3NH3I and PbI2Be dissolved in DMF solvent according to molar ratio 1:1, overall density control 200mg/mL~
600mg/mL, then heating stirring dissolves it sufficiently to obtain perovskite presoma under temperature 60 C；10 μ are taken with liquid-transfering gun
The perovskite precursor solution drop of the μ of L~20 L exists in the surface of Yi Yure CdS electron transfer layer, preheating temperature control
Within the scope of 100 DEG C~160 DEG C.When blade coating, the linear feed rate of scraper is 0.5cm/s~1cm/s, later obtains blade coating
Perovskite thin film is annealed 60 minutes at 100 DEG C.
Step 4 is provided phthalocyanine copper powders, and is passed in the perovskite photosensitive layer far from the electronics using thermal evaporation
Copper phthalocyanine hole transport layer is prepared on the surface of defeated layer.Specifically, using purity is 99.5% CuPc powder as raw material,
Thermal evaporation prepares CuPc hole transmission layer.Processing step is similar with step 2, and operating current when evaporation is 70A~120A, thick
Degree control is in 20nm~40nm.
Step 5 according to the graphic designs silk-screen halftone of the perovskite solar battery, and uses the silk-screen halftone
Carbon is prepared on surface of the copper phthalocyanine hole transport layer far from the perovskite photosensitive layer to electrode, until the perovskite
Solar battery preparation finishes.Specifically, it according to the graphic designs silk-screen halftone of battery, and is starched using commercial electroconductive carbon to print
Carbon is prepared to electrode, after being completed for printing, is dried 30 minutes at 80 DEG C of temperature, battery preparation finishes.
Below using several specific embodiments to the preparation side of large area perovskite solar battery provided by the present invention
Method is described in further detail.
Embodiment 1
The preparation method for the large area perovskite solar battery that embodiment 1 provides mainly comprises the steps that
(1) substrate is cleaned
By FTO substrate or ITO substrate use respectively dish washing liquid, acetone, ethyl alcohol sequence ultrasonic cleaning 15min, then spend from
Sub- water rinse, then it is with nitrogen that substrate drying is spare, finally with UV ozone to the base treatment 30min.
(2) thermal evaporation prepares CdS electron transfer layer
Purity is used to prepare on the substrate for 99.99% CdS powder as raw material, and using thermal evaporation process
CdS film.In preparation process, the background vacuum of apparatus cavity is 8 × 10-4Pa, base reservoir temperature are 25 DEG C；Work when evaporation
Electric current is 120A, using film thickness gauge real-time monitoring CdS film thickness, and by the thickness control of the CdS film in 30nm.
(3) knife coating prepares perovskite photosensitive layer
Firstly, configuration perovskite presoma, specifically includes: by CH3NH3I and PbI2It is molten that DMF is dissolved according to molar ratio 1:1
In agent, overall density is controlled in 600mg/mL, and heating stirring dissolves it sufficiently to obtain perovskite under temperature 60 C later
Presoma；The perovskite precursor solution of 15 μ L is taken to drip on the surface of warmed-up CdS electron transfer layer, in advance with liquid-transfering gun
Hot temperature control is within the scope of 100 DEG C；When blade coating, the linear feed rate of scraper is 1cm/s, the calcium titanium for later obtaining blade coating
Mine film is annealed 60 minutes at 100 DEG C.
(4) thermal evaporation prepares CuPc hole transmission layer
Using purity is 99.5% CuPc powder as raw material, and photosensitive in the perovskite using thermal evaporation method
CuPc hole transmission layer is prepared on layer.Operating current when evaporation is 80A, and the thickness control of the CuPc hole transmission layer exists
40nm。
(5) silk-screen printing prepares carbon to electrode
It is printed on the CuPc hole transmission layer according to the graphic designs silk-screen halftone of battery, and using commercial electroconductive carbon slurry
Brush prepares carbon to electrode, and after printing, the carbon is dried 30min to electrode at 80 DEG C, and thus battery preparation finishes.
Embodiment 2
The preparation method for the large area perovskite solar battery that embodiment 2 provides mainly comprises the steps that
(1) substrate is cleaned
By FTO substrate or ITO substrate use respectively dish washing liquid, acetone, ethyl alcohol sequence ultrasonic cleaning 15min, spend later from
Substrate described in sub- water rinse, then it is with nitrogen that substrate drying is spare, finally with UV ozone to the base treatment
30min。
(2) thermal evaporation prepares CdS electron transfer layer
Purity is used to prepare on the substrate for 99.99% CdS powder as raw material, and using thermal evaporation process
CdS film.In preparation process, the background vacuum of apparatus cavity is 8 × 10-4Pa, base reservoir temperature are 100 DEG C；Work when evaporation
Making electric current is 110A, using the thickness of film thickness gauge real-time monitoring CdS film, and by the thickness control of the CdS electron transfer layer
In 50nm.
(3) knife coating prepares perovskite photosensitive layer
Perovskite presoma is configured first, is specifically included: by CH3NH3I and PbI2It is molten that DMF is dissolved according to molar ratio 1:1
In agent, the overall density of obtained mixed solution is controlled in 500mg/mL, and by the mixed solution at 60 DEG C heating stirring
Make CH3NH3I and PbI2Sufficiently dissolution is to obtain the perovskite presoma；The perovskite presoma of 15 μ L is taken with liquid-transfering gun
Solution drop is controlled in the surface of Yi Yure CdS electron transfer layer, preheating temperature at 130 DEG C；When blade coating, the linear feed of scraper
Rate is 0.7cm/s, and the perovskite thin film that blade coating obtains is annealed 60 minutes at 100 DEG C later.
(4) thermal evaporation prepares CuPc hole transmission layer
Using purity is 99.5% CuPc powder as raw material, using thermal evaporation method in the perovskite photosensitive layer
Upper preparation CuPc hole transmission layer.Operating current when evaporation is 100A, the thickness control of the CuPc hole transmission layer exists
30nm。
(5) silk-screen printing prepares carbon to electrode
It starches according to the graphic designs silk-screen halftone of battery, and using commercial electroconductive carbon come on the CuPc hole transmission layer
Printing prepares carbon to electrode, and after printing, the carbon is dried 30min to electrode at 80 DEG C, and thus battery preparation finishes.
Embodiment 3
The preparation method for the large area perovskite solar battery that embodiment 3 provides mainly comprises the steps that
(1) substrate is cleaned
By FTO substrate or ITO substrate use respectively dish washing liquid, acetone, ethyl alcohol sequence ultrasonic cleaning 15min, spend later from
Substrate described in sub- water rinse, then it is with nitrogen that substrate drying is spare, finally with UV ozone to the base treatment
30min。
(2) thermal evaporation prepares CdS electron transfer layer
Purity is used to prepare on the substrate for 99.99% CdS powder as raw material, and using thermal evaporation process
CdS film.In preparation process, the background vacuum of apparatus cavity is 8 × 10-4Pa, base reservoir temperature are 25 DEG C；Work when evaporation
Electric current is 140A, using the thickness of film thickness gauge real-time monitoring CdS film, and controls the CdS electron transfer layer in 100nm.
(3) knife coating prepares perovskite photosensitive layer
Perovskite presoma is configured first, is specifically included: by CH3NH3I and PbI2It is molten that DMF is dissolved according to molar ratio 1:1
In agent, the overall density of obtained mixed solution is controlled in 400mg/mL, and by the mixed solution, heating stirring makes at 60 DEG C
CH3NH3I and PbI2Sufficiently dissolution is to obtain the perovskite presoma；The precursor solution of 15 μ L is taken to drip in advance with liquid-transfering gun
The surface of the CdS electron transfer layer of heat, preheating temperature are controlled at 160 DEG C；When blade coating, the linear feed rate of scraper is 0.5cm/
S later anneals the perovskite thin film of blade coating 60 minutes at 100 DEG C.
(4) thermal evaporation prepares CuPc hole transmission layer
Using purity is 99.5% CuPc powder as raw material, and photosensitive in the perovskite using thermal evaporation method
CuPc hole transmission layer is prepared on layer.Operating current when evaporation is 90A, and the thickness control of the CuPc hole transmission layer exists
20nm。
(5) silk-screen printing prepares carbon to electrode
It is printed on the CuPc hole transmission layer according to the graphic designs silk-screen halftone of battery, and using commercial electroconductive carbon slurry
Brush prepares carbon to electrode.After printing, the CuPc hole transmission layer is dried into 30min at 80 DEG C, thus battery preparation finishes.
Large area perovskite solar battery provided by the invention and preparation method thereof, be respectively adopted phthalocyanine copper film and
Cadmium sulphide membrane so improves the stability of electron mobility and battery, service life as hole transmission layer and electron transfer layer
It is longer；Thermal evaporation process and knife coating have been respectively adopted according to the structure of the solar battery simultaneously, improved efficiency, has been reduced
Cost realizes large area preparation, is conducive to mass production.
As it will be easily appreciated by one skilled in the art that the foregoing is merely illustrative of the preferred embodiments of the present invention, not to
The limitation present invention, any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should all include
Within protection scope of the present invention.
Claims (10)
1. a kind of large area perovskite solar battery, it is characterised in that:
The solar battery includes substrate, the electron transfer layer on the surface for being formed in the substrate, is formed in the electronics
Perovskite photosensitive layer on surface of the transport layer far from the substrate is formed in the perovskite photosensitive layer and passes far from the electronics
It hole transmission layer on the surface of defeated layer and is formed on surface of the hole transmission layer far from the perovskite photosensitive layer
Carbon is to electrode；
The hole transmission layer is copper phthalocyanine hole transport layer；The electron transfer layer is CdS electron transfer layer, is used for purple
Outer light is stopped, to prevent perovskite photosensitive layer described in ultraviolet damage；The substrate is FTO substrate or ITO substrate.
2. large area perovskite solar battery as described in claim 1, it is characterised in that: the CdS electron transfer layer
With a thickness of 10nm~100nm.
3. large area perovskite solar battery as described in claim 1, it is characterised in that: the copper phthalocyanine hole transport layer
With a thickness of 20nm~40nm.
4. a kind of preparation method of large area perovskite solar battery as described in any one of claims 1-3, feature exist
In, the preparation method the following steps are included:
(1) substrate is provided, and the substrate is cleaned；
(2) using cadmium sulfide powder as raw material, cadmium sulfide electron transfer layer is prepared on the substrate using thermal evaporation method；
(3) perovskite photosensitive layer is prepared on the surface of the cadmium sulfide electron transfer layer far from the substrate using knife coating；
(4) using phthalocyanine copper powders as raw material, using thermal evaporation method in the perovskite photosensitive layer far from the cadmium sulfide electricity
Copper phthalocyanine hole transport layer is prepared on the surface of sub- transport layer；
(5) carbon is prepared on surface of the copper phthalocyanine hole transport layer far from the perovskite photosensitive layer using silk screen print method
To electrode, thus the solar battery preparation is finished.
5. the preparation method of large area perovskite solar battery as claimed in claim 4, it is characterised in that: successively use and wash
Clean essence, acetone, ethyl alcohol are cleaned by ultrasonic the substrate 15 minutes, then clean the substrate using deionized water, then use nitrogen
Substrate drying is spare, finally using UV ozone to the base treatment 30 minutes.
6. the preparation method of large area perovskite solar battery as claimed in claim 4, it is characterised in that: in step (2)
Thermal evaporation when operating current be 100A~140A, while using cadmium sulfide electron transfer layer described in film thickness gauge real-time monitoring
Thickness.
7. the preparation method of large area perovskite solar battery as claimed in claim 4, it is characterised in that: in step (3),
Substrate preheating temperature when blade coating is 100 DEG C~160 DEG C, and the linear feeding speed of scraper is 0.5cm/s~1cm/s.
8. the preparation method of large area perovskite solar battery as claimed in claim 7, it is characterised in that: scratch
Perovskite thin film makes annealing treatment 60 minutes at 100 DEG C to obtain the perovskite photosensitive layer.
9. the preparation method of large area perovskite solar battery as claimed in claim 4, it is characterised in that: in step (4),
Operating current when thermal evaporation is 70A~120A.
10. the preparation method of large area perovskite solar battery as claimed in claim 4, it is characterised in that: step (5) it
Before further include the steps that design silk-screen halftone according to the solar battery；And after being printed in step (5), at 80 DEG C
It is lower to dry solar battery 30 minutes.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110752299A (en) * | 2019-10-21 | 2020-02-04 | 大连理工大学 | Preparation method of solar cell containing perovskite-interface connecting layer |
| CN111403604A (en) * | 2020-03-05 | 2020-07-10 | 暨南大学 | Double-hole-transport-layer perovskite solar cell and preparation method thereof |
| CN113745407A (en) * | 2021-07-29 | 2021-12-03 | 暨南大学 | Acid-induced color-changing electron transport layer, acid-induced color-changing organic solar cell integrated device and preparation method |
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