CN100505367C - Organic solar battery and method for manufacturing the same - Google Patents
Organic solar battery and method for manufacturing the same Download PDFInfo
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- CN100505367C CN100505367C CNB2007100003584A CN200710000358A CN100505367C CN 100505367 C CN100505367 C CN 100505367C CN B2007100003584 A CNB2007100003584 A CN B2007100003584A CN 200710000358 A CN200710000358 A CN 200710000358A CN 100505367 C CN100505367 C CN 100505367C
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- organic solar
- solar cell
- cell element
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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
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Abstract
The invention discloses an organic solar cell and fabrication method thereof. The organic solar cell comprises a substrate, an organic solar cell component, waterproof polymer layers with at least one layer and metal layers with at least one layer, wherein the waterproof polymer layers and the metal layers are stacked on the organic solar cell element alternately; the waterproof polymer layer performs the function of preventing moisture from entering the organic solar cell element; and the metal layer performs the function of preventing moisture and oxygen from infiltrating into the organic solar cell element. The waterproof polymer layers and the metal layers alternately stacked in the organic solar cell can prevent moisture and oxygen from entering the organic solar cell element, thus effectively prolonging the service life and the operation efficiency of the organic solar cell.
Description
Technical field
The present invention relates to a kind of structure of solar cell, relate in particular to a kind of structure of organic solar batteries encapsulation.
Background technology
It is at present, human that mainly still being dependent on fossil fuel obtains the required energy.Along with exhausting gradually of fossil fuel, and follow the greenhouse effect that use brought of fossil fuel serious gradually, being developed as of the new forms of energy of the tool value of environmental protection compels not allow the thing delayed.
Solar energy be one continuously with the clean energy.The various countries scientist is devoted to develop various electrical equipment or the electronic product of solar cell to be used for living of various different materials.Organic solar batteries is because the material of employed photoelectric conversion layer mostly is macromolecular material, can use some better simply formation methods for example rubbing method or ink-jet method make photoelectric conversion layer, therefore begin to obtain the attention of academia and industrial circle.
Though organic solar batteries has above-mentioned advantage, but its employed organic photoelectric transition material is quite responsive to aqueous vapor and oxygen, therefore can be shortened its useful life because of the infiltration of aqueous vapor and oxygen in use for some time usually or the service efficiency reduction.Therefore, a kind of have the organic solar batteries of water oxygen barriering effect for required at present.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of the have organic solar batteries of water oxygen barriering effect and the manufacture method of this organic solar batteries.
According to one embodiment of the invention, a kind of organic solar batteries has been proposed.This organic solar batteries comprises substrate, organic solar cell element, the water proofing property macromolecule layer and the metal level of one deck at least of one deck at least.Organic solar cell element comprises first electrode that is positioned on the substrate, and the organic photoelectric conversion layer on first electrode and second electrode.Water proofing property macromolecule layer and metal level alternately repeatedly place on the organic solar cell element, and the water proofing property macromolecule layer is covered in the surface of organic solar cell element.The water proofing property macromolecule layer has the function that the obstruct aqueous vapor enters organic solar cell element, and metal level has the function of aqueous vapor of preventing and oxygen infiltration organic solar cell element.
According to one embodiment of the invention, a kind of manufacture method of organic solar batteries has been proposed, this manufacture method comprises elder generation and forms organic solar cell element on substrate.Form the water proofing property macromolecule layer of one deck at least and the metal level of the removal water oxygen of one deck at least afterwards again, water proofing property macromolecule layer and metal level are alternately repeatedly placed on the organic solar cell element, and the water proofing property macromolecule layer is covered in the surface of organic solar cell element.
Water proofing property macromolecule layer of alternately repeatedly putting in the described organic solar batteries of the embodiment of the invention and metal level can with in case sealing gas and oxygen enter in the organic solar cell element.Thus, can improve the useful life and the service efficiency of organic solar batteries effectively.
Description of drawings
For above and other objects of the present invention, feature, advantage and embodiment can be become apparent, appended graphic being described in detail as follows:
Fig. 1 and Fig. 2 have illustrated the manufacturing process generalized section of the described organic solar batteries of one embodiment of the invention.
Wherein, Reference numeral:
100: organic solar batteries 102: substrate
120: water proofing property macromolecule layer 130: metal level
Embodiment
Fig. 1 and Fig. 2 have illustrated the manufacturing process generalized section of the described organic solar batteries of one embodiment of the invention.In Fig. 1, on substrate 102, form organic solar cell element 110 earlier.Substrate 102 can be for example plastic base of glass substrate or bendable substrate.Organic solar cell element 110 has comprised first electrode 104 that is positioned on the substrate 102, and the organic photoelectric conversion layer 106 of first electrode, 104 tops and second electrode 108.
Above-mentioned organic photoelectric conversion layer 106 can be any feasible structure, for example can be for executing individual layer/double-decker that body material (organic donor material) and organic receptor material (organic acceptormaterial) are formed by organic, wherein organicly execute that the body material is mixed mutually with the organic receptor material or layer mode forms organic photoelectric conversion layer 106.Aforesaid organic body material of executing for example can be poly-(3-hexyl thiophene) (poly (3-hexylthiophene)) or poly-(3-octyl thiophene) (poly (3-octyl thiophene)), and acceptor material for example can be carbon 60 (C
60) or the derivative of carbon 60, for example PCBM (1-(3-methoxycarbonyl) propyl-1-phenyl[6,6] C
61).The formation method of above-mentioned organic photoelectric conversion layer 106 for example can be method of spin coating or vapour deposition method.
Referring again to Fig. 1, first electrode 104 can be for example ITO electrode of anode electrode, and second electrode 108 can be cathode electrode for example aluminium or silver electrode.The formation method of first electrode and second electrode has different formation methods according to the selection of material, for example can be vapour deposition method or sputtering method.Certainly, the position of anode electrode and cathode electrode is also interchangeable, and for example first electrode 104 is a cathode electrode, and second electrode 108 is an anode electrode.Also optionally evaporation or coating one deck hole transmission layer between anode electrode and organic photoelectric conversion layer 106, its material for example can be PEDOT:PSS (Poly (3,4-ethylenedioxythiophene) poly (styrene sulfonate)).The structure of above-mentioned organic solar cell element 110, material and generation type are not subjected to the restriction of above-mentioned material and formation method.
In Fig. 2, after the making of finishing organic solar cell element 110, can on solar cell device, form the water proofing property macromolecule layer 120 that a layer thickness is about 10 dusts～10 micron, enter in the organic solar cell element 110 in order to intercept aqueous vapor.The generation type of water proofing property macromolecule layer 120 can be method of spin coating, ink-jet method or wire mark method, and then carries out polymerization reaction and form.The making flow process of water proofing property macromolecule layer 120 for example can be and is coated with one deck oligomer (oligomer) or reaction monomers earlier on solar cell device 110, and this oligomer or reaction monomers can be thermmohardening material, photo-hardening material (for example ultraviolet light photopolymerization material) or the spontaneous hardened material of the molecule fragment with hydrophobicity functional group or hydrophobic property.Afterwards, utilize again irradiation (ultraviolet light), heat or the mode that leaves standstill makes it be polymerized to macromolecule.
The reactant of above-mentioned water proofing property macromolecule layer 120 can be the molecule fragment (for example poly-two methylsiloxanes (polydimethylsiloxanes)) that has hydrophobic property simultaneously and is positioned at the functional group that hydrophobic property molecule fragment end can carry out polymerization.The functional group that can carry out polymerization for example can be alkene class functional group (vinylgroup), epoxide functional groups (epoxy group), methyl propionyl acid esters functional group (methacrylategroup), propionyl acid esters functional group (acrylate group).By adding catalyst or starting agent (initiator), arrange in pairs or groups irradiation or heating can make polymerization ofathe reactants become macromolecule again.Certainly, the material that forms water proofing property macromolecule layer 120 also can be the combination of two kinds of differential responses things, one of them can be the molecule fragment that has hydrophobic property simultaneously and the reactant of plural amine functional base, another can be the reactant with two above epoxy radicals, and the amine functional base can also further form macromolecule with epoxy reaction.Above-mentioned have the molecule fragment of hydrophobic property simultaneously and be positioned at the reactant that hydrophobic property molecule fragment end can carry out the functional group of polymerization for example can be terminal poly-two methylsiloxanes (vinyl terminated polydimethylsiloxanes) for vinyl, end is two phenyl siloxanes-two methylsiloxane copolymers (vinyl termi nated diphenyl siloxane-dimethylsiloxane copolymer) of vinyl, end is poly-two methylsiloxanes (epoxypropoxypropyl terminated polydimethylsiloxanes) of epoxypropoxy, methyl propionyl acid esters propyl group methylsiloxane-two methylsiloxane copolymers (methacryloxypropyl methylsiloxane-dimethylsiloxane copolymers), the 3-propionyl acid esters-2 hydroxyl third oxygen propyl group methylsiloxane-two methylsiloxane copolymers ((3-acryloxy-2-hydroxypropoxypropyl) methylsiloxane dime thylsiloxane copolymer).
Except the mode of above-mentioned formation water proofing property macromolecule layer 120, also can directly macromolecular material be dissolved in the solvent to reduce the viscosity of macromolecular material.Afterwards, the mode with rotary coating, ink-jet or wire mark is formed at Polymer Solution on the organic solar cell element 110 again, and further with removal of solvents to form water proofing property macromolecule layer 120.
Referring again to Fig. 2, after water proofing property macromolecule layer 120 forms, can form the metal level 130 that a layer thickness is about 10 dusts～10 micron thereon.Metal level 130 can utilization and the reaction of oxygen or aqueous vapor remove oxygen or the aqueous vapor that enters organic solar batteries, the metal oxide layer that reaction is simultaneously generated can prevent that also aqueous vapor and oxygen from continuing to be penetrated in the organic solar cell element.Metal level 130 can be aluminum metal layer, silver metal layer or aerdentalloy layer, and its formation method can be sputtering method, vapour deposition method or electron gun spraying process.
After metal level 130 forms, can continue to form the water proofing property macromolecule layer 120 and metal level 130 alternately repeatedly put thereon, and at outermost layer in case aqueous high molecular layer 120 as the material of obstruct aqueous vapors, to finish the making of organic solar batteries 100.The demand of water proofing property macromolecule layer 120 viewable design of different layers is selected identical or different material.Same, the metal level 130 of the different layers also demand of viewable design is selected identical or different material, and for example one deck is an aluminum metal layer, and another layer is the silver metal layer.In addition, in order to improve the service efficiency of organic solar batteries 100, also optionally on organic solar cell element, form one deck reflector.When light entered organic solar batteries 100 by substrate 102 directions, this reflector can be with partly passing the light reflected back organic solar cell element 110 of organic solar cell element 110, to improve the efficient of organic solar batteries 100.Certainly, the metal surface of the metal level 130 described in the embodiment of the invention also can have the function with light reflected back organic solar cell element 110, and in this case, metal level 130 can replace the reflector to carry out aforesaid light reflection.
The structure of utilizing above-mentioned water proofing property macromolecule layer and metal level alternately repeatedly to put in the embodiment of the invention can more effectively intercept aqueous vapor and oxygen, enters in the organic solar cell element to prevent water gas and oxygen.Thus, can further prolong useful life and stability to the organic solar cell element of aqueous vapor and oxygen sensitive.
Certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; being familiar with those of ordinary skill in the art ought can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.
Claims (16)
1. an organic solar batteries is characterized in that, comprises at least:
One substrate;
One organic solar cell element, this organic solar cell element comprises:
One first electrode is positioned on this substrate;
One organic photoelectric conversion layer is positioned on this first electrode; And
One second electrode is positioned on this organic photoelectric conversion layer;
At least one water proofing property macromolecule layer is positioned on this organic solar cell element, and one of this at least one water proofing property macromolecule layer is covered in the surface of this organic solar cell element, enters this organic solar cell element in order to intercept aqueous vapor; And
At least one metal level is positioned on this organic solar cell element, and each this at least one metal level and each this at least one water proofing property macromolecule layer are alternately repeatedly put, and infiltrate in this organic solar cell element in order to prevent aqueous vapor and oxygen.
2. organic solar batteries according to claim 1 is characterized in that, each this at least one metal level is aluminum metal layer, silver metal layer or aerdentalloy layer.
3. organic solar batteries according to claim 1 is characterized in that, each this at least one metal layer thickness is 10 dusts～10 micron.
4. organic solar batteries according to claim 1 is characterized in that, the thickness of each this at least one water proofing property macromolecule layer is 10 dusts～10 micron.
5. organic solar batteries according to claim 1 is characterized in that, the material of each this at least one water proofing property macromolecule layer is photo-hardening material, thermmohardening material or spontaneous hardened material.
6. organic solar batteries according to claim 5 is characterized in that, this photo-hardening material is the ultraviolet light photopolymerization material.
7. organic solar batteries according to claim 1 is characterized in that, the outermost layer of the structure that each this at least one water proofing property macromolecule layer and each this at least one metal level are alternately repeatedly put is one of this at least one water proofing property macromolecule layer.
8. organic solar batteries according to claim 1, it is characterized in that, also comprise a reflector, this reflector is positioned on this organic solar cell element, in order to will penetrate this organic solar cell element of light reflected back of this organic solar cell element.
9. organic solar batteries according to claim 1 is characterized in that, this substrate is glass substrate or bendable substrate.
10. organic solar batteries according to claim 1 is characterized in that, when this first electrode was anode electrode, this second electrode was a cathode electrode, and when this first electrode was cathode electrode, this second electrode was an anode electrode.
11. the manufacture method of an organic solar batteries is characterized in that, comprises:
Form an organic solar cell element on a substrate; And
Form at least one water proofing property macromolecule layer and at least one metal level of removing water oxygen, each this at least one water proofing property macromolecule layer and each this at least one metal level are alternately repeatedly placed on this organic solar cell element, and one of this at least one water proofing property macromolecule layer is covered in the surface of this organic solar cell element.
12. the manufacture method of organic solar batteries according to claim 11 is characterized in that, the formation method of this at least one water proofing property macromolecule layer comprises:
Form the monomer of this at least one water proofing property macromolecule layer or oligomer on this organic solar cell element or this at least one metal level; And
Solidify this monomer or this oligomer to form this at least one water proofing property macromolecule layer.
13. the manufacture method of organic solar batteries according to claim 12, it is characterized in that the monomer or the method for oligomer on this organic solar cell element or this at least one metal level that form this at least one water proofing property macromolecule layer are method of spin coating, ink-jet method or wire mark method.
14. the manufacture method of organic solar batteries according to claim 12 is characterized in that, the mode of solidifying this monomer or this oligomer is that irradiation solidifies, is heating and curing or spontaneous curing.
15. the manufacture method of organic solar batteries according to claim 11 is characterized in that, the formation method of this at least one water proofing property macromolecule layer comprises:
Dissolve a macromolecular material in a solvent;
The solution that is coated with this macromolecular material is on this organic solar cell element or this at least one metal level;
Remove this solvent to form this at least one water proofing property macromolecule layer.
16. the manufacture method of organic solar batteries according to claim 11 is characterized in that, the formation method of each this at least one metal level is sputtering method, vapour deposition method or electron gun spraying process.
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| CNB2007100003584A CN100505367C (en) | 2007-01-22 | 2007-01-22 | Organic solar battery and method for manufacturing the same |
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| CNB2007100003584A CN100505367C (en) | 2007-01-22 | 2007-01-22 | Organic solar battery and method for manufacturing the same |
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| CN100505367C true CN100505367C (en) | 2009-06-24 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2012106433A2 (en) * | 2011-02-01 | 2012-08-09 | University Of South Florida | A partially-sprayed layer organic solar photovoltaic cell using a self-assembled monolayer and method of manufacture |
| JP2014505378A (en) * | 2011-02-14 | 2014-02-27 | ユニバーシティー オブ サウス フロリダ | Organic solar cell array and manufacturing method |
| CA2827659A1 (en) * | 2011-03-08 | 2012-09-13 | University Of South Florida | Inverted organic solar microarray for applications in microelectromechanical systems |
| CN104823294B (en) * | 2012-11-23 | 2017-08-08 | 阿莫绿色技术有限公司 | Organic film forming apparatus and organic film forming method and the manufacture method using its organic thin film device |
| CN104292185B (en) * | 2014-09-03 | 2016-06-22 | 武汉工程大学 | A kind of amido N-aoxidizes water/alcohol-soluble oligomer and synthetic method thereof and application |
| CN112635598B (en) * | 2020-12-17 | 2022-05-13 | 泰州隆基乐叶光伏科技有限公司 | Solar cell module and packaging method thereof |
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