CN107068867A - A kind of perovskite solar cell - Google Patents
A kind of perovskite solar cell Download PDFInfo
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- CN107068867A CN107068867A CN201710213690.2A CN201710213690A CN107068867A CN 107068867 A CN107068867 A CN 107068867A CN 201710213690 A CN201710213690 A CN 201710213690A CN 107068867 A CN107068867 A CN 107068867A
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K30/00—Organic devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation
- H10K30/10—Organic devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation comprising heterojunctions between organic semiconductors and inorganic semiconductors
- H10K30/15—Sensitised wide-bandgap semiconductor devices, e.g. dye-sensitised TiO2
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K30/00—Organic devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation
- H10K30/451—Organic devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation comprising a metal-semiconductor-metal [m-s-m] structure
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
- H10K85/30—Coordination compounds
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- 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
Abstract
The invention belongs to area of solar cell, specially a kind of perovskite solar cell, including transparent conductive electrode layer, hole transmission layer, perovskite light-absorption layer, electron transfer layer, hole blocking layer and the metal electrode layer being sequentially arranged from top to bottom；The hole transmission layer is prepared from using rubrene, or uses PEDOT:PSS is prepared from rubrene composite, wherein PEDOT:The thickness ratio of PSS and rubrene is 5：（3‑5）.It is higher relative to prior art conversion efficiency, open-circuit voltage.
Description
Technical field
The invention belongs to area of solar cell, specially a kind of perovskite solar cell.
Background technology
With the consumption of the energy, energy crisis and environmental problem have become the major issue that our times faces, and too
Positive energy photovoltaic generation turns into the ideal scheme for solving mankind's energy crisis and environmental pollution.High power conversion efficiency and low system
Cause originally be can penetration and promotion photovoltaic generation precondition.Therefore, high efficiency and low cost are that people lead in solar cell
The target that domain is constantly pursued.
In current solar cell development field, silion cell is with its ripe technique, high electricity conversion all kinds of
Occupied an leading position in photovoltaic device, but the expensive price limit extensive use of this kind of battery.Calcium was reported first from 2009
Titanium ore solar cell, perovskite solar cell is rapidly developed in recent years, and its laboratory power conversion efficiency has reached within 2016
The new type solar energy electricity of most market potential is become to 25.5%, the characteristics of high efficiency, low cost, multiple preparation technologies
Pond.
Inverted structure planar heterojunction perovskite solar cell is general by transparent conductive electrode layer, hole transmission layer, calcium titanium
Ore deposit light-absorption layer, electron transfer layer, to electrode constitute.In this structural system, now widely used hole transmission layer is acid
Polymer, with the problems such as cost is high, stability is poor and perovskite light-absorption layer energy level is mismatched, limits perovskite sun electricity
The requirement that pond is used for a long time.
The content of the invention
In order to solve the above-mentioned technical problem, the present invention proposes a kind of perovskite solar cell, and it is relative to prior art
Conversion efficiency, open-circuit voltage are higher.
To realize above-mentioned technical purpose, the concrete technical scheme that the present invention takes is that a kind of perovskite solar cell is wrapped
Include the transparent conductive electrode layer being sequentially arranged from top to bottom, hole transmission layer, perovskite light-absorption layer, electron transfer layer, hole resistance
Barrier and metal electrode layer；The hole transmission layer is prepared from using rubrene, or uses PEDOT:PSS and rubrene
Composite is prepared from, wherein PEDOT:The thickness ratio of PSS and rubrene is 5：（3-5）.
As improved technical scheme of the invention, when hole transmission layer is prepared using rubrene, thickness is 30-50nm.
As improved technical scheme of the invention, when hole transmission layer uses PEDOT:PSS and rubrene composite system
When standby, thickness is 70-90nm.
As improved technical scheme of the invention, hole transmission layer is to use vacuum vapour deposition, solution spin-coating method or original
Sublayer sedimentation is overlying on perovskite light-absorption layer.
As improved technical scheme of the invention, transparent conductive electrode layer using ITO, FTO, graphene, graphene oxide,
CNT, nano silver wire or grid-shaped metal are prepared from.
As improved technical scheme of the invention, perovskite light-absorption layer uses ABX3The material of structure is prepared from, and A is
CH3NH3、NH=CHNH3、HOOC-(CH2)4-NH3Or Cs；B is Pb or Sn；X is halogen.
As improved technical scheme of the invention, described perovskite light-absorption layer using liquid phase one-step method, liquid phase two-step method,
Gas phase Co-evaporated Deposition method or gas phase auxiliary liquid phase method are prepared from.
As improved technical scheme of the invention, the electron transfer layer uses PC61BM or PC71BM is prepared from.
As improved technical scheme of the invention, the hole blocking layer uses 2,9- dimethyl -4,7- biphenyl -1,10-
Phenanthrolene is prepared from.
As improved technical scheme of the invention, described metal electrode layer is prepared from using aluminium, silver or gold.
Beneficial effect
Rubrene is applied in solar cell in the application, the hole of photoelectric conversion generation is prevented effectively from hole transmission layer
In loss, enhance the light-absorption layer film forming characteristics of perovskite battery, improve the electricity conversion of solar cell with opening
Road voltage；And can be fabricated using solwution method of the prior art or vacuum vapour deposition, it also can be directly used for existing perovskite
The cost of the improvement of solar cell, effectively reduction perovskite solar cell.
Brief description of the drawings
Fig. 1 is the structural representation of perovskite solar cell used in the present invention in embodiment；
Fig. 2 is embodiment Plays solar irradiation（AM 1.5G, 100 mW·cm-2）Under the calcium based on different hole transmission layers
The current density voltage curve of titanium ore solar cell；
Fig. 3 is the external quantum efficiency curve of the perovskite solar cell using different hole transmission layers in embodiment；
In figure, 1, transparent conductive electrode layer；2nd, hole transmission layer；3rd, perovskite light-absorption layer；4th, electron transfer layer；5th, hole barrier
Layer；6th, metal electrode layer.
Embodiment
To make the purpose and technical scheme of the embodiment of the present invention clearer, below in conjunction with accompanying drawing pair of the embodiment of the present invention
Technical scheme is clearly and completely described.Obviously, described embodiment is the part implementation of the present invention
Example, rather than whole embodiments.Based on described embodiments of the invention, those of ordinary skill in the art are without creating
Property work on the premise of the every other embodiment that is obtained, belong to the scope of protection of the invention.
A kind of perovskite solar cell as shown in Figure 1, including the transparent conductive electrode layer being sequentially arranged from top to bottom
1st, hole transmission layer 2, perovskite light-absorption layer 3, electron transfer layer 4, hole blocking layer 5 and metal electrode layer 6；The hole is passed
Defeated layer is prepared from using rubrene, or PEDOT:PSS is prepared from rubrene composite, wherein PEDOT:PSS with
The thickness ratio of rubrene is 5：（3-5）；When hole transmission layer is prepared using rubrene, thickness is 30-50nm；Work as hole transport
Layer uses PEDOT:When PSS is prepared with rubrene composite, thickness is 70-90nm.Transparent conductive electrode layer use ITO,
FTO, graphene, graphene oxide, CNT, nano silver wire or grid-shaped metal are prepared from；Hole transmission layer is to use
Vacuum vapour deposition or atomic layer deposition method are overlying on perovskite light-absorption layer；Perovskite light-absorption layer uses ABX3The material system of structure
Standby to form, A is CH3NH3、NH=CHNH3、HOOC-(CH2)4-NH3Or Cs, B are Pb or Sn；X is halogen, is preferably：Cl, Br or
I；Described perovskite light-absorption layer is using liquid phase one-step method, liquid phase two-step method, gas phase Co-evaporated Deposition method or gas phase auxiliary liquid phase
Method is prepared from；Described electron transfer layer uses PC61BM or PC71BM is prepared from；Described metal electrode layer using aluminium,
Silver or gold are prepared from.
A kind of perovskite solar cell of the present invention, its hole transmission layer selects organic small molecular semiconductor rubrene, its
The high mobility having, can effectively extract the exciton of dissociation, improve the overall transmission rate of carrier in solar cell；Tool
Some hydrophobic propertys contribute to perovskite light-absorption layer film forming；The highest order of its highest order occupied molecular orbital and perovskite light-absorption layer
Occupied molecular orbital is matched, and is favorably improved open-circuit voltage；The spy of its cheap price, solution processable or vacuum evaporation processing
Property contribute to reduce perovskite solar cell cost.
By taking the application of the perovskite solar cell of different hole transmission layers as an example, different hole transmission layers are described to calcium
The castering action of titanium ore solar cell properties, specific design method sees below concrete application.
Concrete application
The transparent conductive electrode layer of A, ITO material（Also turn into ito anode substrate of glass hereinafter）Cleaning：Use acetone and ethanol cotton
Ball is cleaned, then with after acetone, ethanol and each ultrasonic 10 minutes of deionized water, 100 DEG C of drying.
B, hole transmission layer 2 preparation：Contrasted with three hole transmission layers, it is specific as follows,
（1）Hole transmission layer is of the prior art poly-（3,4- ethyldioxythiophenes）：It is poly-（4- styrene sulfonic acids）Ultraviolet light
Treatment with irradiation ito anode substrate of glass 15 minutes, PEDOT:PSS（The water system filter filtering of 0.45 μm of aperture is twice）With 2000
Rpm is spin-coated in ito anode substrate of glass, and rotational time is 60 s, then the drying 30 minutes of 120 DEG C of baking oven, with above-mentioned hole
Solar cell prepared by transmission system is device one；
（2）Hole transmission layer is rubrene（5,6,11,12- tetraphenyl aphthacenes）：Ultraviolet light handles ito anode glass base
Bottom 15 minutes, rubrene solution（It is dissolved in the mg/ml of chlorobenzene solvent 30）It is spin-coated in ito anode substrate of glass, is revolved with 3000 rpm
The time of turning is 30 s, then 110 DEG C of dryings 20 minutes in thermal station, and the solar cell prepared using above-mentioned hole transporter system is device
Part two；
（3）Hole transmission layer is PEDOT:PSS/ rubrene composites：15 points of ultraviolet light processing ito anode substrate of glass
Clock, PEDOT:PSS（The water system filter filtering of 0.45 μm of aperture is twice）It is spin-coated to 2000 rpm in ito anode substrate of glass,
Rotational time is 60 s, then the drying 30 minutes of 120 DEG C of baking oven；Rubrene solution（It is dissolved in the mg/ml of chlorobenzene solvent 30）With
3000 rpm are spin-coated in substrate, and rotational time is 30 s, then 110 DEG C of dryings 20 minutes in thermal station, with above-mentioned hole transport
Solar cell prepared by system is device three.
C, perovskite light-absorption layer 3 preparation：Using liquid phase one-step method, 80 DEG C of target substrate is preheated 10 minutes, will
CH3NH3PbI3Spin coating liquid（PbI2And CH3NH3I is 1 according to molar ratio:1 is dissolved in DMSO（Dimethyl sulfoxide (DMSO)）And GBL（γ-fourth
Lactone）In the mixed solvent, CH3NH3PbI3Spin coating liquid accounts for the 40% of solution gross mass, and wherein DMSO and GBL volume ratios are 3:7）
Drop in substrate, with the spin coating at once of 2000 rpm rotating speed, 9 s start to be added dropwise after 400 μ l chlorobenzenes, the s of spin coating 90, are placed on
Annealed 30 minutes in 100 DEG C of thermal station.
D, electron transfer layer 4 preparation：PC61BM（20 mg/mL）It is dissolved in chlorobenzene, stirring at normal temperature is after 50 hours, with
3000 rpm are spin-coated to one side of the perovskite light-absorption layer away from hole transmission layer, rotate 60 s, drying at room temperature 20 minutes.
E, hole blocking layer 5 preparation：The nm of vacuum evaporation 6 BCP, as hole blocking layer 5, is attached to perovskite too
In positive energy battery electron transport layer 4；
F, metal electrode preparation：Metal electrode 6, makes it be attached to the BCP of hole blocking layer 5 using the method for vacuum evaporation（2,
9- dimethyl -4,7- biphenyl -1,10- phenanthrolenes）On.
G, to perovskite solar cell carry out electrical performance testing.
Effect detection：
The performance parameter of prepared solar cell such as table 1 below,
The performance parameter of the solar cell of table 1
Fig. 2 shows the perovskite solar cell for the device one compared, and introduces the device two of rubrene and the calcium titanium of device three
The open-circuit voltage and power conversion efficiency of ore deposit solar cell are significantly improved.
Fig. 3 shows the perovskite solar cell for the device one compared, and introduces the device two and device three of rubrene
The external quantum efficiency increase of perovskite solar cell.
Embodiments of the present invention are these are only, it describes more specific and in detail, but therefore can not be interpreted as pair
The limitation of the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, not departing from the present invention
On the premise of design, various modifications and improvements can be made, these belong to protection scope of the present invention.
Claims (10)
1. a kind of perovskite solar cell, it is characterised in that including transparent conductive electrode layer, the sky being sequentially arranged from top to bottom
Cave transport layer, perovskite light-absorption layer, electron transfer layer, hole blocking layer and metal electrode layer；The hole transmission layer is used
Rubrene is prepared from, or uses PEDOT:PSS is prepared from rubrene composite, wherein PEDOT:PSS with it is red glimmering
The thickness ratio of alkene is 5：（3-5）.
2. a kind of perovskite solar cell according to claim 1, it is characterised in that when hole transmission layer is using red glimmering
When prepared by alkene, thickness is 30-50nm.
3. a kind of perovskite solar cell according to claim 1, it is characterised in that when hole transmission layer is used
PEDOT:When PSS is prepared with rubrene composite, thickness is 70-90nm.
4. a kind of perovskite solar cell according to claim 1, it is characterised in that hole transmission layer is to use vacuum
Vapour deposition method, solution spin-coating method or atomic layer deposition method are overlying on perovskite light-absorption layer.
5. a kind of perovskite solar cell according to claim 1, it is characterised in that transparent conductive electrode layer is used
ITO, FTO, graphene, graphene oxide, CNT, nano silver wire or grid-shaped metal are prepared from.
6. a kind of perovskite solar cell according to claim 1, it is characterised in that perovskite light-absorption layer uses ABX3
The material of structure is prepared from, and A is CH3NH3、NH=CHNH3、HOOC-(CH2)4-NH3Or Cs；B is Pb or Sn；X is halogen.
7. a kind of perovskite solar cell according to claim 1, it is characterised in that described perovskite light-absorption layer is adopted
It is prepared from liquid phase one-step method, liquid phase two-step method, gas phase Co-evaporated Deposition method or gas phase auxiliary liquid phase method.
8. a kind of perovskite solar cell according to claim 1, it is characterised in that the electron transfer layer is used
PC61BM or PC71BM is prepared from.
9. a kind of perovskite solar cell according to claim 1, it is characterised in that the hole blocking layer uses 2,
9- dimethyl -4,7- biphenyl -1,10- phenanthrolenes are prepared from.
10. a kind of perovskite solar cell according to claim 1, it is characterised in that described metal electrode layer is adopted
It is prepared from aluminium, silver or gold.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107833969A (en) * | 2017-09-28 | 2018-03-23 | 西北工业大学 | A kind of high efficiency planar heterojunction perovskite thin film solar cell and preparation method |
| CN108198941A (en) * | 2018-01-08 | 2018-06-22 | 苏州大学 | Full-inorganic perovskite solar cell with ultraviolet light strainability and preparation method thereof and its application in optical field |
| CN108389974A (en) * | 2018-04-04 | 2018-08-10 | 清华大学 | A kind of perovskite novel solar battery and preparation method thereof |
| CN108493343A (en) * | 2018-04-04 | 2018-09-04 | 清华大学 | The application of a kind of perovskite thin film and preparation method thereof and the film in the opto-electronic device |
| CN108807677A (en) * | 2018-05-28 | 2018-11-13 | 北京大学 | A kind of composite electron transport layer perovskite solar cell and preparation method thereof prepared using atomic layer deposition method |
| CN108899421A (en) * | 2018-06-26 | 2018-11-27 | 暨南大学 | Full-inorganic perovskite solar battery and its preparation method and application based on polyaniline and zinc oxide photoactive layers |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107833969A (en) * | 2017-09-28 | 2018-03-23 | 西北工业大学 | A kind of high efficiency planar heterojunction perovskite thin film solar cell and preparation method |
| CN108198941A (en) * | 2018-01-08 | 2018-06-22 | 苏州大学 | Full-inorganic perovskite solar cell with ultraviolet light strainability and preparation method thereof and its application in optical field |
| CN108198941B (en) * | 2018-01-08 | 2022-08-12 | 苏州大学 | All-inorganic perovskite solar cell with ultraviolet light filtering performance and preparation thereof |
| CN108389974A (en) * | 2018-04-04 | 2018-08-10 | 清华大学 | A kind of perovskite novel solar battery and preparation method thereof |
| CN108493343A (en) * | 2018-04-04 | 2018-09-04 | 清华大学 | The application of a kind of perovskite thin film and preparation method thereof and the film in the opto-electronic device |
| CN108807677A (en) * | 2018-05-28 | 2018-11-13 | 北京大学 | A kind of composite electron transport layer perovskite solar cell and preparation method thereof prepared using atomic layer deposition method |
| CN108899421A (en) * | 2018-06-26 | 2018-11-27 | 暨南大学 | Full-inorganic perovskite solar battery and its preparation method and application based on polyaniline and zinc oxide photoactive layers |
| CN108899421B (en) * | 2018-06-26 | 2022-01-04 | 暨南大学 | All-inorganic perovskite solar cell and preparation method and application thereof |
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Application publication date: 20170818 |