CN209675333U - A kind of organic solar batteries - Google Patents
A kind of organic solar batteries Download PDFInfo
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- CN209675333U CN209675333U CN201920406317.3U CN201920406317U CN209675333U CN 209675333 U CN209675333 U CN 209675333U CN 201920406317 U CN201920406317 U CN 201920406317U CN 209675333 U CN209675333 U CN 209675333U
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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
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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- Y02E10/549—Organic PV cells
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Abstract
The utility model relates to a kind of organic solar batteries, including the flexible bottom electrode layer being cascading, hole transmission layer, photoelectric conversion layer, electron transfer layer and flexible top electrode layer, the photoelectric conversion layer is the layer structure being prepared by the organic compound for being mixed with carbon nanotube.The utility model joined the good carbon nanotube of conductivity high (caliber 6nm or less), translucency in functional layer, on the one hand, under the premise of not influencing light transmittance, improve carrier transport efficiency, on the other hand, link effect can still be played in the microcosmic part of bending by strengthening conductor as crimp tube, guarantee charge transmission.
Description
Technical field
The utility model belongs to photovoltaic art, and in particular to a kind of flexibility that photoelectric conversion layer is mixed with carbon nanotube is organic thin
Film solar cell.
Background technique
With the development of the global economy, energy crisis makes first appearance, and development and utilization renewable and clean energy resource is concerned, and is solution
Certainly energy problem, realize Sustainable Socioeconomic Development key.Solar energy resources are especially advantageous clean reproducible energies,
It is developed and used using solar battery as representative.
With electronic product, household electrical appliance, precision instrumentation and the intelligence of wearable device, miniaturization, portability
Development, the requirements such as, flexible, small in size, light weight light and handy to battery are also more more and more urgent.Flexible solar battery is undoubtedly most
Good selection, and by the development and change of power-assisted electronic product.
Currently, organic single-unit has reached 13% (DOI:10.1021/ in organic solar batteries numerous kinds
Jacs.7b02677, https: //doi.org/10.1038/s41560-018-0234-9), lamination-type alreadys exceed 17%
(doi:10.1126/science.aat2612), it can satisfy the power demand of low power electric appliance, and be suitble to indoor weak light environment
It uses.In addition, organic solar batteries functional layer is less, compared to current perovskite thin film battery (CN201420841087.0,
CN201510441660.8) simple process.There are also patent (CN201120473547.5) to use transparent conductive oxide electrode, adds
Work temperature is high (350 DEG C or more), high to substrate material requirements.In some patents (CN201420841087.0,
CN201710807661.9 it) uses metal as electrode, limits battery bending angle, be unable to reach the flexibility of real meaning.And
Bending angle is excessive to will lead to function fault rupture, influences charge transmission, or even battery device is caused to damage.
Carbon nanotube has no applied to the report in photoelectric conversion layer so far.Before this, carbon nanotube is chiefly used in preparing
Electrode material.In addition, there is Korean Patent (2011-0128122) report to pass the metal oxide of carbon nanotube applied to electronics
Defeated layer.Carbon nanotube is also applied in organic photovoltaic devices by Chinese patent (CN201010208521.8), but is also application
In hole transmission layer or electron transfer layer, without single application in photoelectric conversion layer.And it is substrate of glass, non-flexible cells.
Chinese patent (CN200610169827.0) disclose it is a kind of with carbon nanotube be for photoelectric conversion layer solar battery, but
It is a kind of inflexible solar battery.
Utility model content
The purpose of the utility model is to provide a kind of solar battery, including the flexible bottom electrode layer being cascading,
Hole transmission layer, photoelectric conversion layer, electron transfer layer and flexible top electrode layer, the photoelectric conversion layer is to be mixed with carbon nanotube
The layer structure that organic compound is prepared.
Preferably, the carbon nanotube is caliber 6nm carbon nanotube below, and the carbon nanotube is in the photoelectric conversion
Distribution density in layer is 0.01~1g every square centimeter.Caliber 6nm carbon nanotube below has preferable electric conductivity, addition
Amount can take into account the equalization point of electric conductivity and light transmission in above-mentioned density, and too high levels influence light transmission, too low then conductive
Poor performance.The general thickness with a thickness of this field of the photoelectric conversion layer.
Preferably, the organic compound is analog derivative, phthalocyanine, polycyclic aromatic compounds, thiophene oligomerization
Object, triphenylamine and its derivative, fullerene and its derivative, polyphenylacetylene derivative, gather to benzenesulfonamide derivative polythiofuran derivative
One or more kinds of mixing in object, polyaniline, poly- (2,5- pyridine) acetylene, D-A type small molecule compound or its polymer
Object.
It is mixed for two kinds or more in further preferred D-A type small molecule compound or polymer.D- electron donor material, A-
Electron acceptor material plays the material of donor and receptor acting while D-A type is connected by chemical bond.
Preferably, the mass ratio of the carbon nanotube and the organic compound is 1:50~200；
It is further preferred that the material for preparing the photoelectric conversion layer is the carbon nanotube and D- that mass ratio is 1~2:100
The mixture of A small molecule compound.In view of material compatibility issues and cost problem, excessive carbon nanotube may be from DA points
It is precipitated in son.
It is further preferred that mass ratio is the carbon nanotube of 1:100:100 and the mixture of fullerene and polythiophene.
Preferably, the flexible bottom battery layers and the flexible top battery layers are the flexible macromolecule for being coated with nano metal line
Film.
Preferably, the flexible macromolecule film is polybutadiene, polycarbonate, polyethylene, polypropylene, polystyrene, gathers
Vinyl chloride, polyacrylonitrile, polymethyl methacrylate, polyvinylpyrrolidone, polytetrafluoroethylene (PTFE), gathers to benzene two polyvinyl alcohol
Formic acid second diester, acrylonitrile-butadiene-styrene terpolymer, styrene-butadiene-styrene ternary block copolymer,
Opaque polyimides, clear polyimides, silica/acrylic or titanium dioxide/gram force hybrid material；
Further preferred clear polyimides or opaque polyimides.
Preferably, the nano metal line is NANO CRYSTAL COPPER WIRE or nano-silver thread；
Further preferred nano-silver thread.
Preferably, the material for preparing the electron transfer layer is PNDIT-F3N, densification TiO2, zinc oxide, fullerene, richness
Strangle ene derivative ICBA, PC60BM or Bis-C60；It is preferred that PNDIT-F3N；
Preferably, prepare the hole transmission layer material be P-type conductivity macromolecule, p-type low molecule organic semiconductor,
P-type metal oxide, p-type metal sulfide or surfactant；
Polystyrolsulfon acid addition product, carboxylic polythiophene, the phthalocyanine, porphin of further preferred polyethylene dioxythiophene
It is quinoline, molybdenum oxide, vanadium oxide, tungsten oxide, nickel oxide, copper oxide, tin oxide, molybdenum sulfide, tungsten sulfide, copper sulfide, artificial gold, fluorine-containing
The phosphonic acids of base, the phosphonic acids containing carbonyl, Spiro-OMeTAD, PEDOT and 3,4-rthylene dioxythiophene monomer (PSS) mixture；
It is further preferred that the mass ratio of PEDOT and 3,4-rthylene dioxythiophene monomer (PSS) is 1:0.8~1.2.
The mixture of still more preferably PEDOT and 3,4-rthylene dioxythiophene monomer, the PEDOT and 3,4- ethylene two
The mass ratio of oxygen thiophene monomer is 1:1.
Preferably, the flexible bottom electrode layer with a thickness of 0.1~2mm, and/or, the hole transmission layer with a thickness of
0.1~2 micron, and/or, the photoelectric conversion layer with a thickness of 0.1~4 micron, and/or, the thickness of the electron transfer layer
Be 0.1~2 micron, and/or, it is described flexibility top electrode layer with a thickness of 0.1~2mm.
The utility model has the following beneficial effects:
The utility model joined the good carbon nanotube of conductivity high (caliber 6nm or less), translucency in functional layer, and one
Aspect improves carrier transport efficiency under the premise of not influencing light transmittance, on the other hand, strengthens conductor as crimp tube and exists
The microcosmic part of bending can still play link effect, guarantee charge transmission.Third, there are superconducting phenomena for carbon nanotube, have
Battery performance may be increased substantially.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of solar battery described in embodiment 1；
In figure: 1 is flexible electrode layer；2 be hole transmission layer；3 be electric conversion layer；4 be electron transfer layer；5 be flexible saturating
Prescribed electrode
Specific embodiment
The following examples illustrate the utility model, but is not intended to limit the scope of the present invention.
Embodiment 1
The utility model relates to a kind of flexible solar battery (its structural schematic diagram such as Fig. 1), successively include from bottom to up
The flexible bottom electrode layer 1 being stacked, hole transmission layer (PEDOT:PSS) 2, photoelectric conversion layer 3, electron transfer layer (PNDIT-
F3N) 4 and flexible top electrode layer 5.In the photoelectric conversion layer, the partial size of carbon nanotube is 5nm, and the carbon nanotube is described
Distribution density in photoelectric conversion layer is 0.1g/cm2。
The flexibility bottom electrode layer with a thickness of 1mm, the hole transmission layer with a thickness of 1um, the photoelectric conversion layer
With a thickness of 2um, the electron transfer layer with a thickness of 1um, the flexibility top electrode layer with a thickness of 1mm.
Solar battery described in the utility model is prepared by the following method:
Firstly, PEDOT:PSS is coated on by way of spin coating on the Kapton for being coated with nano-silver thread electrode,
Revolving speed 3000r.p.m is toasted 5 minutes under 150 DEG C of environmental conditions later.Then matrix is transferred in nitrogen charging glove box.With
Afterwards, it is coated with the D-A small molecule compound (matter for being mixed with carbon nanotube in a manner of spin coating by chloroformic solution on PEDOT:PSS layer
Amount is than being 1:100).PNDIT-F3N is configured to alcoholic solution, (as electron transport layer) spin coating is overlying on active layer, revolving speed
3000r.p.m.Finally, covering is coated with the transparent polyimide film of nano-silver thread transparent electrode, electricity on the electron transport layer
Pole shape just covering function material layer.It is finally packaged, to obtain flexible solar battery.
Embodiment 2
The utility model relates to a kind of flexible solar batteries, from bottom to up successively include the flexible hearth electrode being stacked
Layer, hole transmission layer PEDOT:PSS, photoelectric conversion layer, electron transfer layer PNDIT-F3N and flexible top electrode layer.The photoelectricity
In conversion layer, the partial size of carbon nanotube is 4nm, and distribution density of the carbon nanotube in the photoelectric conversion layer is 0.5g/
cm2。
The flexibility bottom electrode layer with a thickness of 0.5mm, the hole transmission layer with a thickness of 0.5um, the photoelectricity turns
Change layer with a thickness of 1.8um, the electron transfer layer with a thickness of 0.6um, the flexibility top electrode layer with a thickness of 0.5mm.
Solar battery described in the utility model is prepared by the following method:
Firstly, one layer of very thin PEDOT:PSS to be coated on to the polyamides for being coated with NANO CRYSTAL COPPER WIRE electrode by way of spin coating
On imines film, revolving speed 3000r.p.m is baked under 150 DEG C of environmental conditions 5 minutes later.Then matrix is transferred to nitrogen charging hand
In casing.Then, it is coated with the D-A small molecule for being mixed with carbon nanotube in a manner of spin coating by chloroformic solution on PEDOT:PSS layer
Compound (mass ratio 2:100).Then, PNDIT-F3N is configured to alcoholic solution, (as electron transport layer) spin coating is overlying on work
On property layer, revolving speed 3000r.p.m.Finally, covering is coated with the transparent polyamides of NANO CRYSTAL COPPER WIRE transparent electrode on the electron transport layer
Imines film, electrode shape just covering function material layer.It is finally packaged, to obtain flexible solar battery.
Embodiment 3
The utility model relates to a kind of flexible solar batteries, from bottom to up successively include the flexible hearth electrode being stacked
Layer, hole transmission layer PEDOT:PSS, photoelectric conversion layer, electron transfer layer PNDIT-F3N and flexible top electrode layer.The photoelectricity
In conversion layer, the partial size of carbon nanotube is 5nm, and distribution density of the carbon nanotube in the photoelectric conversion layer is 0.05g/
cm2。
Solar battery described in the utility model is prepared by the following method:
Firstly, one layer of very thin PEDOT:PSS to be coated on to the polyamides for being coated with nano-silver thread electrode by way of spin coating
On imines film, revolving speed 3000r.p.m is baked under 150 DEG C of environmental conditions 5 minutes later.Then matrix is transferred to nitrogen charging hand
In casing.Then, it is coated with the fullerene for being mixed with carbon nanotube in a manner of spin coating by toluene solution on PEDOT:PSS layer and gathers
Thiophene (mass ratio 1:100:100).Then, PNDIT-F3N is configured to alcoholic solution, (as electron transport layer) spin coating is overlying on
On active layer, revolving speed 3000r.p.m.Finally, covering is coated with the transparent poly- of nano-silver thread transparent electrode on the electron transport layer
Imide membrane, electrode shape just covering function material layer.It is finally packaged, to obtain flexible solar battery.
Comparative example 1
Compared with Example 1, difference is, in the photoelectric conversion layer, the distribution density of carbon nanotube is 1.2g/
cm2
Experimental example
The transformation efficiency of the battery of Examples 1 to 3 and comparative example is measured under AM0 spectrum, result is as follows:
| Embodiment 1 | Embodiment 2 | Embodiment 3 | Comparative example | |
| Efficiency | 7.12% | 7.14% | 7.09% | 6.02% |
Although above having used general explanation, specific embodiment and test, the utility model has been made in detail
Description, but on the basis of the utility model, it can be made some modifications or improvements, this is aobvious to those skilled in the art
And it is clear to.Therefore, these modifications or improvements on the basis of without departing from the spirit of the present invention belong to practical
Novel claimed range.
Claims (11)
1. a kind of organic solar batteries, which is characterized in that including the flexible bottom electrode layer being cascading, hole transport
Layer, photoelectric conversion layer, electron transfer layer and flexible top electrode layer, the photoelectric conversion layer is the organic compound for being mixed with carbon nanotube
The layer structure that object is prepared.
2. solar battery according to claim 1, which is characterized in that the carbon nanotube is caliber 6nm carbon below
Nanotube, distribution density of the carbon nanotube in the photoelectric conversion layer are 0.01~1g every square centimeter.
3. solar battery according to claim 2, which is characterized in that the organic compound is analog derivative, phthalein
Cyanines class material, polycyclic aromatic compounds, thiophene oligomer, triphenylamine and its derivative, fullerene and its derivative, carbon nanometer
Pipe, polyphenylacetylene derivative, gathers to benzene derivative, polyaniline, poly- (2,5- pyridine) acetylene, small point of D-A type polythiofuran derivative
One or more kinds of mixture in sub- compound or its polymer.
4. solar battery according to claim 3, which is characterized in that the carbon nanotube and the organic compound
Mass ratio is 1:50~200.
5. solar battery according to claim 4, which is characterized in that the material for preparing the photoelectric conversion layer is quality
Than the mixture of carbon nanotube and D-A small molecule compound for 1~2:100；Or, mass ratio is the carbon nanometer of 1:100:100
The mixture of pipe and fullerene and polythiophene.
6. solar battery according to claim 5, which is characterized in that the flexibility bottom battery layers and flexible top electricity
Pond layer is the flexible macromolecule film for being coated with nano metal line.
7. solar battery according to claim 6, which is characterized in that the flexible macromolecule film is polybutadiene, gathers
Carbonic ester, polypropylene, polystyrene, polyvinyl chloride, polyvinyl alcohol, polyacrylonitrile, polymethyl methacrylate, gathers polyethylene
Vinylpyrrolidone, polytetrafluoroethylene (PTFE), polyethylene terephthalate, acrylonitrile-butadiene-styrene terpolymer, benzene
Ethylene-butadiene-styrene ternary block polymer, opaque polyimides, clear polyimides, silica/acrylic
Or titanium dioxide/acrylic hybrid material；
And/or the nano metal line is NANO CRYSTAL COPPER WIRE or nano-silver thread.
8. solar battery according to claim 7, which is characterized in that the flexible macromolecule film is clear polyimides
Or opaque polyimides, the nano metal line are nano-silver thread.
9. solar battery according to claim 7 or 8, which is characterized in that the material for preparing the electron transfer layer is
PNDIT-F3N, densification TiO2, zinc oxide, fullerene, fullerene derivate ICBA, PC60BM or Bis-C60；
And/or preparing the material of the hole transmission layer is P-type conductivity macromolecule, p-type low molecule organic semiconductor, p-type gold
Belong to oxide, p-type metal sulfide or surfactant.
10. solar battery according to claim 9, which is characterized in that it is poly- for preparing the material of the hole transmission layer
Polystyrolsulfon acid addition product, carboxylic polythiophene, phthalocyanine, porphyrin, molybdenum oxide, the vanadium oxide, oxidation of ethene dioxythiophene
Tungsten, nickel oxide, copper oxide, tin oxide, molybdenum sulfide, tungsten sulfide, copper sulfide, artificial gold, containing fluorine-based phosphonic acids, containing the phosphine of carbonyl
The mixture of acid, Spiro-OMeTAD, PEDOT and 3,4-rthylene dioxythiophene monomer.
11. solar battery according to claim 1 or claim 7, which is characterized in that it is described flexibility bottom electrode layer with a thickness of
0.1~2mm, and/or, the hole transmission layer with a thickness of 0.1~2 micron, and/or, the photoelectric conversion layer with a thickness of
0.1~4 micron, and/or, the electron transfer layer with a thickness of 0.1~2 micron, and/or, it is described flexibility top electrode layer thickness
Degree is 0.1~2mm.
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| CN201920406317.3U CN209675333U (en) | 2019-03-28 | 2019-03-28 | A kind of organic solar batteries |
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Effective date of registration: 20210205 Address after: Unit 611, unit 3, 6 / F, building 1, yard 30, Yuzhi East Road, Changping District, Beijing 102208 Patentee after: Zishi Energy Co.,Ltd. Address before: Room a129-1, No. 10, Zhongxing Road, science and Technology Park, Changping District, Beijing Patentee before: DONGTAI HI-TECH EQUIPMENT TECHNOLOGY Co.,Ltd. |
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