CN207834359U - A kind of large area pattern organic solar batteries - Google Patents
A kind of large area pattern organic solar batteries Download PDFInfo
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- CN207834359U CN207834359U CN201721926671.6U CN201721926671U CN207834359U CN 207834359 U CN207834359 U CN 207834359U CN 201721926671 U CN201721926671 U CN 201721926671U CN 207834359 U CN207834359 U CN 207834359U
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- Prior art keywords
- large area
- solar batteries
- organic solar
- cathode portion
- anode part
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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 utility model discloses a kind of large area pattern organic solar batteries.The large area pattern organic solar batteries are divided into cathode portion and anode part；The cathode portion is with anode part in the ito glass substrate of same；The cathode portion is located at the centre of battery device；The anode part encloses cathode portion from three bread, and anode part is not in direct contact with cathode portion；The cathode portion includes ito glass substrate, hole transmission layer, organic active layer, electron transfer layer and metallic cathode successively from the bottom to top；The anode part includes ito glass substrate and metal anode successively from the bottom to top.The utility model by carrying out patterning schemes to the electrode of battery, shorten charge movement to ito transparent electrode distance, it is of low cost to improve collection efficiency of the electrode to charge.
Description
Technical field
The utility model is related to organic electro-optic device technical fields, and in particular to a kind of large area pattern organic solar
Battery.
Background technology
With advances in technology with the development of society, demand of the whole world to the energy is also growing day by day, due to traditional change
Stone fuel is faced with exhausted danger, and largely using for traditional fossil fuel still exists the problem of caused environmental pollution in addition
Further deteriorate, solar cell causes the further investigation of scientific circles.Meanwhile organic solar batteries are compared to inorganic silicon-based
Production cost cheaper, preparation process simple, achievable roll-to-roll processing, the good flexibility of solar cell etc. are many
The characteristics of and be concerned.
The Wei Zhixiang researcher of State Nanometer Science Center uses ternary system (PTB7-Th, P-DTS (FBTTH2)2And
PC71BM it) is blended, using ortho-xylene as green solvent, prepares the thick film organic solar batteries of efficient 270nm or so
The device energy conversion efficiency of device, small area is up to 10.78%；Use narrow slit rubbing method prepare effective area for
1.25cm2Large area flexible device energy conversion efficiency 8.28%；It is up to 20cm in effective area2Large area flexible module
Device energy conversion efficiency is maintained to 5% or more, and the organic solar batteries to prepare large area have been laid solid
Basis (Advanced Science News, 2017, DOI：10.1002/smll.201700388).Korea Research Institute of Chemical Technology
Use BDT2And PC71The mixed solution of BM has prepared effective area as active layer and has been up to 77.8cm2The organic sun of large area
The performance parameter of energy battery modules device, device is Voc=10.0V；Jsc=1.08mA/cm2；FF=0.69；PCE=
7.45% (Advanced Energy Material, 2016, DOI：10.1002/aenm.201600228), the big face prepared
The performance parameter of product module group device is in very leading position.
Currently, the development of organic solar batteries is very rapid, efficient small area organic solar batteries device is big
ITO (tin indium oxide) is mostly used as transparent conductive anode, transformation efficiency has broken through 14% (Science
Bulletin, 2017).But the shortcomings that there are poorly conductives when using ITO as transparent conductive electrode.Therefore, big face is being prepared
When product organic solar batteries, the collection charge that the rational pattern for designing electrode keeps electrode highly efficient, to improve
The transformation efficiency of battery.
The pattern of the currently employed organic solar batteries device in laboratory is mostly the structure of five finger-type strips, the shape
When preparing small area organic solar batteries using very extensive, but when preparing large area organic solar batteries, but
It is longer that there are the distance between electrodes, and along with ITO is larger in the square resistance of large area, there are electrodes to charge
The problems such as collection efficiency is low.It can obtain when preparing large area organic solar batteries, be needed to electrode from the above analysis
Shape pattern carries out special patterning schemes, to improve collection efficiency of the electrode to charge.
Utility model content
The purpose of this utility model is that for the prior art in large area organic solar batteries indium tin oxide transparent electricity
Pole poorly conductive leads to the deficiency that electrode is low to the collection efficiency of charge, provides a kind of large area pattern organic solar
Battery.The large area pattern organic solar batteries can shorten charge movement to the distance of ito transparent electrode, improve electrode
To the collection efficiency of charge, the energy conversion efficiency of solar cell is improved.
The purpose of this utility model is achieved through the following technical solutions.
A kind of large area pattern organic solar batteries, including ito glass substrate, hole transmission layer, organic active layer,
Electron transfer layer, metallic cathode and metal anode；
Battery is divided into cathode portion and anode part；
The cathode portion is with anode part in the ito glass substrate of same；
The cathode portion is located at the centre of battery device；The anode part encloses cathode portion, and anode from three bread
Part is not in direct contact with cathode portion；Anode part encloses the design of cathode portion from three bread, enables charge simultaneously from three
A direction is collected, and shortens the distance on charge movement to electrode, improves collection efficiency of the charge to electrode；
The cathode portion includes ito glass substrate, hole transmission layer, organic active layer, electronics biography successively from the bottom to top
Defeated layer and metallic cathode；
The anode part includes ito glass substrate and metal anode successively from the bottom to top.
Further, the thickness of the hole transmission layer is 10~100nm.
Further, the material of the hole transmission layer is poly- (3,4- Ethylenedioxy Thiophene) and poly- (styrene sulfonic acid)
The mixture of mass ratio 1: 1.
Further, the thickness of the organic active layer is 50~300nm.
Further, the material of the organic active layer is electron donor material and electron acceptor material mass ratio 1: 4~4
: 1 mixture.
Further, the electron donor material includes P3HT (poly- 3 hexyl thiophene), (poly- [[(1- is pungent by 9- by PCDTBT
Base nonyl) -9H- carbazoles -2,7- diyl] -2,5- thiophene diyls -2,1,3- diazosulfide -4,7- diyls -2,5- thiophene two
Base]), PTB7 or PTB7-Th；
Further, the electron acceptor material includes ([6,6]-phenyl C61 methyl butyrates, [6,6]-PCBM
Phenyl C61 butyric acid methyl ester) or ITIC.
Further, the thickness of the electron transfer layer is 5~20nm.
Further, the thickness of the metallic cathode is 80~100nm.
Further, the thickness of the metal anode is 80~100nm.
The method for preparing a kind of large area pattern organic solar batteries described above, includes the following steps：
(1) one layer of PEDOT of sol evenning machine spin coating is used in the ito glass substrate cleaned up：After PSS aqueous solutions, it is placed in and adds
Heating, drying in thermal station obtains hole transmission layer/ito glass underlying structure；
(2) material of organic active layer is dissolved in organic solvent, and additive is added, obtain organic active layer solution；
Organic active layer solution is spin-coated in hole transmission layer/ito glass underlying structure, heating, drying on warm table is placed in, obtains
Organic active layer/hole transmission layer/ito glass underlying structure；
(3) organic active layer/hole transmission layer/ito glass underlying structure is scraped from three faces and dashes out part organic active layer
And hole transmission layer, leak out ito glass substrate, it would be desirable to prepare anode part and reserve；
(4) the reserved organic active layer/hole transmission layer/ito glass underlying structure for preparing anode part is placed on pattern
Change on mask plate, is mounted on after carrying out vacuum pumping in glove box vapor deposition storehouse, electronics biography is deposited successively on organic active layer
Defeated layer and metallic cathode prepare anode part evaporation metal anode reserved, obtain the large area pattern organic solar
Battery.
Further, in step (1), the PEDOT：The solid content of PSS aqueous solutions is 1~20%.
Further, in step (1), the heating, drying is 10~30min of heating under the conditions of 150 DEG C.
Further, in step (2), the organic solvent includes toluene, dimethylbenzene, chlorobenzene, dichloro-benzenes, chloroform or two sulphur
Change carbon, preferably halogen-containing organic solvent.
Further, in step (2), the material of the organic active layer in organic active layer solution a concentration of 0.1
~60mg/ml.
Further, in step (2), the additive includes mercaptan, chloronaphthalene or 1,8- diiodo-octanes, and additive occupies machine
The volume fraction of active layer solution is 0.1%~20%.
Further, in step (4), the pattern mask version refers to：On mask, the anode portion of corresponding battery structure
It is corresponding pierced pattern to divide to cathode portion.
It is the professional mechanical drawing software developed using autodesk, inc. of the U.S. that the drawing of patterned mask version, which is drawn,
AutoCAD is drawn, which has applied widely, easy to operate flexible, the excellent feature such as processing and fabricating precision height,
The cutting error range of mask plate disclosure satisfy that required precision of the laboratory to mask plate processing customization within 0.003mm.It covers
The patterning process of film version is：The drawing of patterned mask version draws the machinery of the profession using the exploitation of autodesk, inc. of the U.S.
Graphics software AutoCAD is drawn, and cutting machine utilizes high energy laser beam using German imported L RKF P6060 laser cutting machines
The cutting of precision complexity is completed, cutting accuracy reaches 0.003mm, and cutting accuracy is high, stay in grade.Cutting step：1, it is ready to
Steel plate, aluminium frame, red glue and adhesive tape, steel plate glue smooth with aluminium frame, ensure the tension of steel plate and good flatness；2, steel plate is put
On laser machine, tablet pattern, programmed is simultaneously directed at basic point, and cutting speed is mixed up according to plate thickness；3, it is cut by laser steel disc；4、
After steel disc well cutting, the burr for steel disc of polishing, and be electrolysed；5, QC links check the integrality of steel disc trepanning and appearance.
Further, in step (4), described vacuumize is to be evacuated to 2 × 10-4Pa or less.
Compared with prior art, the utility model has the following advantages that and advantageous effect：
(1) the utility model is not being increased by reasonably being patterned to large area organic solar batteries device
In the case of device manufacturing cost, suitably improve ito transparent electrode makes electrode pair in the raising of large area square resistance
The harmful effect that the collection efficiency of charge reduces, overcome the square resistance of ito transparent electrode with the increase of device area and by
Gradually raised rule；
(2) the large area pattern organic solar batteries of the utility model can shorten charge movement to transparent electricity
The distance of pole improves collection efficiency of the electrode to charge, improves the energy conversion efficiency of large area organic solar batteries device.
Description of the drawings
Fig. 1 is the vertical view of the large area organic solar batteries device of utility model specific embodiment；
Fig. 2 a are that the cathode portion structure of the large area organic solar batteries device of utility model specific embodiment is shown
It is intended to；
Fig. 2 b are that the anode part structure of the large area organic solar batteries device of utility model specific embodiment is shown
It is intended to；
Fig. 3 is the schematic diagram of common large area organic solar batteries device；
Fig. 4 is the J-V curve graphs of the large area organic solar batteries device and common batteries device of embodiment 1；
Fig. 5 is the J-V curve graphs of the large area organic solar batteries device and common batteries device of embodiment 2.
Specific implementation mode
Technical solutions of the utility model are described in further detail below in conjunction with specific embodiment and attached drawing, but this reality
It is without being limited thereto with novel protection domain and specific implementation mode.
In specific implementation mode, vertical view such as Fig. 1 institutes of the large area pattern organic solar batteries of the utility model
Show, including ito glass substrate 3, hole transmission layer 4, organic active layer 5, electron transfer layer 6, metallic cathode 7 and metal anode
8；
Battery is divided into cathode portion 2 and anode part 1；
Cathode portion 2 is with anode part 1 in the ito glass substrate 3 of same；
Cathode portion 2 is located at the centre of battery device；Anode part 1 encloses cathode portion 2, and anode part 1 from three bread
It is not in direct contact with cathode portion 2；Anode part 1 encloses the design of cathode portion 2 from three bread, enables charge simultaneously from three
Direction is collected, and shortens the distance on charge movement to electrode, improves collection efficiency of the charge to electrode；
Cathode portion 2 includes ito glass substrate 3, hole transmission layer 4, organic active layer 5, electronics biography successively from the bottom to top
Defeated layer 6 and metallic cathode 7, schematic diagram is as shown in Figure 2 a；
The thickness of hole transmission layer 4 is 10~100nm；The thickness of organic active layer 5 is 50~300nm；
The thickness of electron transfer layer 6 is 5~20nm；The thickness of metallic cathode 7 is 80~100nm；
Anode part 1 includes successively ito glass substrate 3 and metal anode 8, schematic diagram is as shown in Figure 2 b from the bottom to top；
The thickness of metal anode 8 is 80~100nm.
Embodiment 1
A kind of large area pattern organic solar batteries, vertical view is referring to Fig. 1；
The schematic diagram of cathode portion 2 is referring to Fig. 2 a, wherein the thickness of hole transmission layer 4 is 40nm, material PEDOT:
PSS (1: 1, w/w)；The thickness of organic active layer 5 is 100nm, and active layer donor material is poly- 3- hexyl thiophenes (P3HT), receptor
Material is PCBM, and the mass ratio of donor material and acceptor material is 1: 0.8；The thickness of electron transfer layer 6 is 10nm；Metallic cathode
7 thickness is 100nm；
The schematic diagram of anode part 1 is referring to Fig. 2 b, wherein the thickness of metal anode 8 is 100nm.
The material of common batteries device layers is identical as thickness and large area pattern organic solar batteries, and difference is
The anode of common batteries device is strip structure (structural schematic diagram is as shown in Figure 3).
The performance test of current density and voltage, test condition are carried out to large area pattern organic solar batteries device
For standard AM1.5G sun optical analog lamp test systems, test temperature is 25 DEG C.Measurement obtains large area organic solar batteries
The J-V curve graphs of device and common batteries device are as shown in figure 4, wherein curve T is the J- of the patterning battery device of embodiment 1
V curves, curve P are the J-V curves of common batteries device.
The results are shown in Table 1 with the performance comparison of common batteries device for the patterning battery device of embodiment 1.
Table 1 patterns the performance comparison result of battery device and common batteries device
By table 1 and Fig. 4 it is found that the series resistance of patterned devices is obviously reduced, so that the short circuit of patterned devices
Electric current is from 6.33mA/cm2It is increased to 6.61mA/cm2；Fill factor is increased to 46.07% from 41.09%；Energy conversion efficiency from
1.59% is increased to 1.86%, absolutely proves that the transformation efficiency of device can be improved by carrying out special patterned process to device.
Embodiment 2
A kind of large area pattern organic solar batteries, vertical view is referring to Fig. 1；
The schematic diagram of cathode portion 2 is referring to Fig. 2 a, wherein the thickness of hole transmission layer 4 is 40nm, material PEDOT:
PSS (1: 1, w/w)；The thickness of organic active layer 5 be 100nm, active layer donor material be PTB7-Th, acceptor material PCBM,
The mass ratio of donor material and acceptor material is 1: 1.5；The thickness of electron transfer layer 6 is 10nm；The thickness of metallic cathode 7 is
100nm；
The schematic diagram of anode part 1 is referring to Fig. 2 b, wherein the thickness of metal anode 8 is 100nm.
The material of common batteries device layers is identical as thickness and large area pattern organic solar batteries, and difference is
The anode of common batteries device is strip structure (structural schematic diagram is as shown in Figure 3).
The performance test of current density and voltage, test condition are carried out to large area pattern organic solar batteries device
For standard AM1.5G sun optical analog lamp test systems, test temperature is 25 DEG C.Measurement obtains large area organic solar batteries
The J-V curve graphs of device and common batteries device are as shown in figure 5, wherein curve T2 is the patterning battery device of embodiment 2
J-V curves, curve P2 are the J-V curves of common batteries device.
Table 2 patterns the performance comparison result of battery device and common batteries device
By table 2 and Fig. 5 it is found that the series resistance of patterned devices is obviously reduced, so that the short circuit of patterned devices
Electric current is from 11.72mA/cm2It is increased to 12.56mA/cm2；Fill factor is increased to 44.93% from 48.43%；Energy conversion efficiency
It is increased to 4.80% from 4.16%, absolutely proves that the conversion effect of device can be improved by carrying out special patterned process to device
Rate.
Above example is only the utility model preferably embodiment, is only used for explaining the utility model, and unrestricted
The utility model, those skilled in the art without departing from the spirit of the present invention essence under principle made by it is any change, replace
It changes, combine, simplify, modify, should be equivalent substitute mode, should be included in the scope of protection of the utility model.
Claims (6)
1. a kind of large area pattern organic solar batteries, including ito glass substrate, hole transmission layer, organic active layer, electricity
Sub- transport layer, metallic cathode and metal anode, which is characterized in that battery is divided into cathode portion and anode part；
The cathode portion is with anode part in the ito glass substrate of same；
The cathode portion is located at the centre of battery device；The anode part encloses cathode portion, and anode part from three bread
It is not in direct contact with cathode portion；
The cathode portion includes ito glass substrate, hole transmission layer, organic active layer, electron transfer layer successively from the bottom to top
And metallic cathode；
The anode part includes ito glass substrate and metal anode successively from the bottom to top.
2. a kind of large area pattern organic solar batteries according to claim 1, which is characterized in that the hole passes
The thickness of defeated layer is 10~100nm.
3. a kind of large area pattern organic solar batteries according to claim 1, which is characterized in that organic work
Property layer thickness be 50~300nm.
4. a kind of large area pattern organic solar batteries according to claim 1, which is characterized in that the electronics passes
The thickness of defeated layer is 5~20nm.
5. a kind of large area pattern organic solar batteries according to claim 1, which is characterized in that the metal is cloudy
The thickness of pole is 80~100nm.
6. a kind of large area pattern organic solar batteries according to claim 1, which is characterized in that the metal sun
The thickness of pole is 80~100nm.
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| CN201721926671.6U CN207834359U (en) | 2017-12-29 | 2017-12-29 | A kind of large area pattern organic solar batteries |
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| CN201721926671.6U CN207834359U (en) | 2017-12-29 | 2017-12-29 | A kind of large area pattern organic solar batteries |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116634786A (en) * | 2023-07-25 | 2023-08-22 | 北京理工大学 | Organic solar cell for current-voltage test and preparation method thereof |
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2017
- 2017-12-29 CN CN201721926671.6U patent/CN207834359U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116634786A (en) * | 2023-07-25 | 2023-08-22 | 北京理工大学 | Organic solar cell for current-voltage test and preparation method thereof |
| CN116634786B (en) * | 2023-07-25 | 2023-10-03 | 北京理工大学 | Organic solar cell for current-voltage test and preparation method thereof |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20180907 Termination date: 20191229 |