CN110246908A - Antireflective film, production method and lamination solar cell are converted under a kind of spectrum - Google Patents

Antireflective film, production method and lamination solar cell are converted under a kind of spectrum Download PDF

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Publication number
CN110246908A
CN110246908A CN201910649987.2A CN201910649987A CN110246908A CN 110246908 A CN110246908 A CN 110246908A CN 201910649987 A CN201910649987 A CN 201910649987A CN 110246908 A CN110246908 A CN 110246908A
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spectrum
under
antireflective film
layer
transition material
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郑将辉
徐成
易海芒
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Shenzhen Heijing Optoelectronic Technology Co.,Ltd.
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Shenzhen Black Crystal Photoelectric Technology Co Ltd
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L31/02Details
    • H01L31/0216Coatings
    • H01L31/02161Coatings for devices characterised by at least one potential jump barrier or surface barrier
    • H01L31/02167Coatings for devices characterised by at least one potential jump barrier or surface barrier for solar cells
    • H01L31/02168Coatings for devices characterised by at least one potential jump barrier or surface barrier for solar cells the coatings being antireflective or having enhancing optical properties for the solar cells
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L31/04Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
    • H01L31/054Optical elements directly associated or integrated with the PV cell, e.g. light-reflecting means or light-concentrating means
    • H01L31/055Optical elements directly associated or integrated with the PV cell, e.g. light-reflecting means or light-concentrating means where light is absorbed and re-emitted at a different wavelength by the optical element directly associated or integrated with the PV cell, e.g. by using luminescent material, fluorescent concentrators or up-conversion arrangements
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L31/04Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
    • H01L31/06Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices characterised by potential barriers
    • H01L31/068Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices characterised by potential barriers the potential barriers being only of the PN homojunction type, e.g. bulk silicon PN homojunction solar cells or thin film polycrystalline silicon PN homojunction solar cells
    • H01L31/0682Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices characterised by potential barriers the potential barriers being only of the PN homojunction type, e.g. bulk silicon PN homojunction solar cells or thin film polycrystalline silicon PN homojunction solar cells back-junction, i.e. rearside emitter, solar cells, e.g. interdigitated base-emitter regions back-junction cells
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L31/04Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
    • H01L31/06Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices characterised by potential barriers
    • H01L31/068Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices characterised by potential barriers the potential barriers being only of the PN homojunction type, e.g. bulk silicon PN homojunction solar cells or thin film polycrystalline silicon PN homojunction solar cells
    • H01L31/0687Multiple junction or tandem solar cells
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
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    • H01L31/00Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L31/18Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof
    • H01L31/1804Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof comprising only elements of Group IV of the Periodic Table
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy
    • Y02E10/52PV systems with concentrators
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy
    • Y02E10/544Solar cells from Group III-V materials
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy
    • Y02E10/547Monocrystalline silicon PV cells

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Abstract

The invention discloses antireflective film, production method and lamination solar cell is converted under a kind of spectrum, it includes: host material layer that antireflective film is wherein converted under the spectrum, and the host material layer is transparent matrix material;Light flannelette layer is fallen into, the upper end of the host material layer is arranged in the sunken light flannelette layer;Transition material under spectrum, transition material is uniformly distributed under the spectrum and converts in antireflective film under the spectrum;Wherein, the mass ratio that transition material accounts for the transparent matrix material under the spectrum is 0.001-30%, and the thickness of the sunken light flannelette layer is within the scope of 0.01-20mm.Antireflective film is converted under spectrum provided by the invention has conversion function under excellent sunken optical property, high-energy photon, and has with flexibility well, can be effectively applied in various types of lamination solar cells.Ultraviolet stability and ultraviolet response performance are promoted in perovskite silicon lamination solar cell also fairly obvious.

Description

Antireflective film, production method and lamination solar cell are converted under a kind of spectrum
Technical field
The present invention relates under technical field of solar batteries more particularly to a kind of spectrum convert antireflective film, production method and Lamination solar cell.
Background technique
Photovoltaic energy is a kind of green energy resource, it does not consume fuel, does not discharge exhaust gas, without mechanical component, and Securely and reliably, thus photovoltaic energy be always field of new energy technologies development center of gravity.
Core of the solar battery as photovoltaic energy improves efficiency a master for reducing that cost is solar battery research Want direction.Currently, improving an effective technology path of existing silicon unijunction solar cell efficiency as using laminate solar again Battery.Perovskite/crystal silicon lamination solar cell becomes lamination too since its preparation process is simple, high-efficient, low in cost A hot spot in positive energy battery research.
Perovskite/crystal silicon lamination solar cell device there are ultraviolet stabilities it is poor, temperature and humidity stability is poor the defects of, this A little defective effects perovskite/crystal silicon lamination solar cell commercial applications prospects.
How to improve perovskite/crystal silicon lamination solar cell ultraviolet stability and efficiency is that this field is urgently to be resolved Problem.
Summary of the invention
The present invention provides antireflective film, production method and lamination solar cell are converted under a kind of spectrum, it is intended to improve calcium Titanium ore/crystal silicon lamination solar cell ultraviolet stability and efficiency.
According to the embodiment of the present application in a first aspect, providing a kind of spectrum under convert antireflective film, be used for solar battery, It include: host material layer, the host material layer is transparent matrix material;
Light flannelette layer is fallen into, the upper end of the host material layer is arranged in the sunken light flannelette layer;
Transition material under spectrum, transition material is uniformly distributed under the spectrum and converts in antireflective film under the spectrum;
Wherein, the mass ratio that transition material accounts for the anti-reflection membrane matrix under the spectrum is 0.001-30%, described to fall into The thickness of light flannelette layer is within the scope of 0.01-20mm.
It is converted in antireflective film under spectrum of the invention, the host material layer includes vinegar copolymer, polyvinyl alcohol contracting fourth At least one of aldehyde, dimethyl silicone polymer and polyolefin.
It is converted in antireflective film under spectrum of the invention, the shape of the sunken light flannelette includes positive pyramid, the golden word that falls At least one of tower-shaped, random trap shape, petal surface shape and leaf surface shape.
It is converted in antireflective film under spectrum of the invention, transition material is solid or liquid under the spectrum;And/or
The absorbing wavelength of the lower transition material is in 200-500nm, and the launch wavelength of the lower transition material is in 400- Within the scope of 1200nm;
When transition material is solid under the spectrum, the particle size of the solid is within the scope of 1nm-1mm.
Under spectrum of the invention convert antireflective film in, under the spectrum transition material include rear-earth-doped luminous material, At least one of vanadate self-luminescent material, tungstates self-luminescent material, quantum dot light emitting material and organic dyestuff.
It is converted in antireflective film under spectrum of the invention, transition material includes rear-earth-doped luminous material under the spectrum When,
The rear-earth-doped luminous material include silicate, borate, tungstates, vanadate, chloro-aluminate, nitride, At least one of nitrogen oxides and phosphate;
The rare earth dopant of the rear-earth-doped luminous material includes Eu2+、Eu3+、Ce3+、Tb3+、Sm3+、Dy3+、Po3+、Pr3 +、Ho3+At least one of rare earth element.
It is converted in antireflective film under spectrum of the invention, transition material includes quantum dot light emitting material under the spectrum When,
The quantum dot light emitting material includes PbS, PbSe, ZnO, CsPbI3、CsPbBr3、ZnS、CuGaS2/ZnS、 CsPbCl1.5Br1.5:Yb3+,Ce3+And CdxZn1-xAt least one of S/ZnS material.
It is converted in antireflective film under spectrum of the invention, when transition material includes organic dyestuff under the spectrum,
The organic dyestuff include dye stuff of rhodamine kinds, fluorine boron fluorescent dye, Coumarins dyestuff, triphen amine dyestuff, At least one of carbazoles dyestuff and premetallized dye.
According to the second aspect of the embodiment of the present application, the production method that antireflective film is converted under a kind of spectrum is provided, comprising:
Transition material under spectrum and curing agent are subjected to liquid mixing as matrix using the mass ratio of 10:1 and weighed;
Transition material under spectrum is mixed in load weighted liquid, is uniformly mixed;
Mixed liquid is poured into grinding tool, prepares and falls into light flannelette;
Stand solidification.
According to the third aspect of the embodiment of the present application, a kind of lamination solar cell is provided, comprising:
Bottom battery layers, the bottom battery layers are using the homogeneity agglomeration silicon solar battery based on Al-BSF or based on PERC;
Battery layers are pushed up, the top battery is the top battery using transparent perovskite battery as lamination;
Tunnel layer, the tunnel layer connect the bottom battery and the top battery;
Antireflective film is converted under above-mentioned spectrum, set on the top of the top battery.
Technical solution provided by the embodiments of the present application can include the following benefits: the application devises under a kind of spectrum It converts antireflective film, production method and using the lamination solar cell for converting antireflective film under the spectrum, converts anti-reflection under spectrum Film, which is equipped with, falls into the good sunken light flannelette layer of light effect, and transition material under spectrum is uniformly distributed under spectrum and converts antireflective film Interior, it is 0.001-30% that transition material, which accounts for the mass ratio of transparent matrix material, under spectrum, falls into the thickness of light flannelette layer in 0.01- Within the scope of 20mm.Antireflective film is converted under the spectrum has conversion function under excellent sunken optical property and high-energy photon, and has It is preferable flexible.It is clearly demarcated that ten are promoted to ultraviolet stability and ultraviolet response performance in perovskite silicon lamination solar cell It is aobvious.
Detailed description of the invention
Technical solution in order to illustrate the embodiments of the present invention more clearly, below will be to needed in embodiment description Attached drawing is briefly described, it should be apparent that, drawings in the following description are some embodiments of the invention, general for this field For logical technical staff, without creative efforts, it is also possible to obtain other drawings based on these drawings.
Fig. 1 be the embodiment of the present invention spectrum under convert antireflective film diagrammatic cross-section;
Fig. 2 is the lamination solar cell diagrammatic cross-section of the embodiment of the present invention;
Fig. 3 be the embodiment of the present invention spectrum under convert antireflective film scanning tunnelling microscope (SEM) surface topography map;
Fig. 4 is the IV the performance test results figure of the embodiment of the present invention;
Fig. 5 is response test figure of the lamination solar cell to ultraviolet and infrared ray of the embodiment of the present invention.
Label declaration:
10, antireflective film is converted under spectrum;11, host material layer;12, light flannelette layer is fallen into;13, transition material under spectrum;20, Push up battery layers;30, tunnel layer;40, bottom battery layers.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are some of the embodiments of the present invention, instead of all the embodiments.Based on this hair Embodiment in bright, every other implementation obtained by those of ordinary skill in the art without making creative efforts Example, shall fall within the protection scope of the present invention.
It is also understood that mesh of the term used in this description of the invention merely for the sake of description specific embodiment And be not intended to limit the present invention.As description of the invention and it is used in the attached claims, unless on Other situations are hereafter clearly indicated, otherwise " one " of singular, "one" and "the" are intended to include plural form.
It will be further appreciated that the term "and/or" used in description of the invention and the appended claims is Refer to any combination and all possible combinations of one or more of associated item listed, and including these combinations.
It please refers to shown in Fig. 1 and Fig. 2, the invention discloses antireflective film 10 is converted under a kind of spectrum, converts and subtract under the spectrum Anti- film 10 is in lamination solar cell.Lamination sun energization pond successively includes spectrum conversion antireflective film 10, top from top to bottom Battery layers 20, tunnel layer 30 and bottom battery layers 40, tunnel layer 30 is for connecting bottom battery layers 40 and top battery layers 20.
Specifically, lamination solar cell can be silicon solar cell, polysilicon solar cell, CIGS, CZTS, calcium The unijunction solar cells such as titanium ore, cadmium telluride, GaAs, organic or dye sensitization;Or it is applied to perovskite/silicon laminate solar Battery, III-V/ silicon lamination solar cell, perovskite/CIGS lamination solar cell, perovskite/perovskite laminate solar Battery, perovskite/perovskite/silicon lamination etc. ties lamination solar cell.It will can effectively be folded due to converting film under spectrum Layer solar cell responds weaker light and be converted in ultraviolet portion responds stronger light in visible light part, thus lamination too Positive energy battery top, which is directly sticked, converts antireflective film under the spectrum in the application, and the efficiency of lamination solar cell can be improved, Increase the ultraviolet stability of lamination solar cell.
In an alternative embodiment, the bottom battery layers of lamination solar cell are used based on Al-BSF or based on PERC's Homogeneity agglomeration silicon solar battery;The top battery layers of lamination solar cell use transparent perovskite battery, bottom battery layers and top electricity It is attached between the layer of pond by tunnel layer.
Antireflective film is converted referring to shown in Fig. 2, under spectrum to include host material layer 11, fall under light flannelette layer 12 and spectrum and convert Material 13, host material layer 11 are transparent matrix material;Fall into the upper end that light flannelette layer 12 is set to host material layer;It is converted under spectrum Material 13 is uniformly distributed under spectrum and converts in antireflective film 10, that is, transition material 13 is uniformly distributed in host material under spectrum Inside layer 11 and sunken light flannelette layer 12.The mass ratio that transition material 12 accounts for transparent matrix material under spectrum focuses on 0.001-30% model In enclosing, the thickness of light flannelette layer 12 is fallen within the scope of 0.01-20mm.Due to converting lower turn of antireflective film spectrum under the spectrum of the application Change film can effectively by lamination solar cell ultraviolet portion respond weaker light be converted to visible light part response compared with Strong light, therefore the efficiency of solar battery can be improved, and increase the ultraviolet stability of solar battery.
In some optional embodiments, host material layer 11 include vinegar copolymer (EVA), polyvinyl butyral (PVB), At least one of dimethyl silicone polymer (PDMS) and polyolefin (PO).Host material layer can choose vinegar copolymer (EVA), Any one of polyvinyl butyral (PVB), dimethyl silicone polymer (PDMS) and polyolefin (PO), can also select wherein The hyaline layer that collectively constitutes of multiple combinations, so that solar battery absorbs sunlight, sent out for penetrating sunlight Electricity.
In some optional embodiments, transition material 13 can use solid under spectrum, can also use liquid.Under spectrum The absorbing wavelength of transition material selects in 200-500nm, and the launch wavelength of transition material is selected in 400-1200nm under spectrum Material in range.If transition material selects solid under spectrum, the particle size of transition material exists under the spectrum of solid Within the scope of 1nm-1mm.
In some optional embodiments, transition material 13 includes rear-earth-doped luminous material, vanadate self-luminous under spectrum At least one of material, tungstates self-luminescent material, quantum dot light emitting material and organic dyestuff.Spectroscopic material can be rare earth Appointing in doped luminescent material, vanadate self-luminescent material, tungstates self-luminescent material, quantum dot light emitting material and organic dyestuff It anticipates one kind, or the wherein combination of any multiple material, does not do specific limitation herein.
In an alternative embodiment, when transition material 13 includes rear-earth-doped luminous material under spectrum, this is rear-earth-doped Luminescent material includes in silicate, borate, tungstates, vanadate, chloro-aluminate, nitride, nitrogen oxides and phosphate It is at least one.Rear-earth-doped luminous material can choose silicate, borate, tungstates, vanadate, chloro-aluminate, nitride, Any one in nitrogen oxides and phosphate, or any a variety of combination.Rear-earth-doped luminous material it is rear-earth-doped Agent includes Eu2+、Eu3+、Ce3+、Tb3+、Sm3+、Dy3+、Po3+、Pr3+、Ho3+At least one of rare earth element.It is rear-earth-doped to shine The rare earth dopant of material can be Eu2+、Eu3+、Ce3+、Tb3+、Sm3+、Dy3+、Po3+、Pr3+、Ho3+It is any in rare earth element One kind, or the combination of any a variety of rare earth elements.
In an alternative embodiment, when transition material 13 includes quantum dot light emitting material under spectrum, quantum dot light emitting material Material includes PbS, PbSe, ZnO, CsPbI3、CsPbBr3、ZnS、CuGaS2/ZnS、CsPbCl1.5Br1.5:Yb3+,Ce3+And CdxZn1- xAt least one of S/ZnS material.Quantum dot light emitting material can choose PbS, PbSe, ZnO, CsPbI3、CsPbBr3、ZnS、 CuGaS2/ZnS、CsPbCl1.5Br1.5:Yb3+,Ce3+And CdxZn1-xAny one in S/ZnS material, or it is any a variety of The combination of material.
In an alternative embodiment, when transition material 13 includes organic dyestuff under spectrum, which includes Luo Dan In bright class dyestuff, fluorine boron fluorescent dye, Coumarins dyestuff, triphen amine dyestuff, carbazoles dyestuff and premetallized dye It is at least one.Organic dyestuff can choose dye stuff of rhodamine kinds, fluorine boron fluorescent dye, Coumarins dyestuff, triphen amine dyestuff, Any one in carbazoles dyestuff and premetallized dye, or any a variety of combination.
Referring to figure 2. and shown in Fig. 3, in some embodiments, the shape for falling into light flannelette layer 12 can use positive pyramid Shape reduces the reflectivity of battery surface, in the surface area for increasing solar battery, increases luminous flux.In some implementations The shape that light flannelette is fallen into example may be appointing in reverse pyramid, random trap shape, petal surface shape and leaf surface shape Any a variety of combinations of one kind of anticipating or these shapes.The shape for falling into light flannelette in another embodiment can also use it Its irregular shape.
Production method the present invention also provides antireflective film is converted under the spectrum.The specific steps of which are as follows:
Host material and curing agent are subjected to liquid mixing as matrix using the mass ratio of 10:1 and weighed;
Transition material under spectrum is mixed in load weighted liquid, is uniformly mixed;
Mixed liquid is poured into grinding tool, prepares and falls into light flannelette;
Stand solidification.
In an alternative embodiment, host material uses dimethyl silicone polymer (PDMS), and transition material is selected under spectrum Adulterate Eu2+Strontium silicate barium under transition material.
Specifically, the making step of conversion antireflective film includes: under spectrum in the present embodiment
First, dimethyl silicone polymer (PDMS) and curing agent are subjected to liquid using the mass ratio of 10:1 and mixed as matrix Material simultaneously weighs,
Second, transition material under strontium silicate barium is mixed into load weighted dimethyl silicone polymer (PDMS) mixing liquid, into Row is uniform to be mixed.Preferred mixing quality score is 0.3-1.0%;
Third is blended with Eu2+Strontium silicate barium under turn the PDMS liquid of material and pour into the silicon with inverted pyramid flannelette Flannelette image copying is carried out in piece grinding tool, and is accurately controlled and is poured into amount of liquid to control the thickness of antireflective film, preferred thickness For 0.2-0.5mm.
4th, it will be put into dimethyl silicone polymer (PDMS) the solution left standstill about 24- in inverted pyramid flannelette grinding tool After 48h solidification, removes and solidify antireflective film the antireflective film with lower conversion function can be obtained.
The surface topography of the scanning tunnelling microscope (SEM) of antireflective film is converted under spectrum of the invention as shown in Figure 3, it can be with See having well-regulated pyramid by the antireflective film for carrying out flannelette image copying in the silicon wafer grinding tool with inverted pyramid flannelette Fall into light flannelette.
In the present embodiment, bottom battery layers use the n-type silicon solar battery based on PERC structure, which throws Light, and the pn-junction that there is p+ to be located at top, 3 μm of junction depth;Silicon wafer front surface grows the silica of about 1.5nm as tunnel layer, Top battery of the transparent perovskite battery as lamination is prepared,
Specifically, top battery way is as follows:
1.SnO2Obtain intermediate tunnel layer;
2. preparing FA with one-step methodxMA1-xPbI3-yBryCalcium titanium ore bed;
3. preparing Spiro-OMeTAD hole transmission layer using spin-coating method, MoO is deposited3Afterwards, top layer preparation is based on the saturating of ITO Bright battery simultaneously prepares metal grid lines.
Antireflective film made of the present embodiment is directly affixed on the surface of solar battery both available laminate solar electricity Pond.Referring to shown in Fig. 4, by IV performance test, which obtains opening for 1.73V Road voltage, 16.5mA/cm2Short-circuit current density, 0.81 fill factor and 23.1% photoelectric conversion efficiency.Referring to figure Shown in 5, it is provided with after anti-reflection layer in perovskite and silicon solar cell, the response of the solar battery is in ultraviolet 300- The response of 400nm and visible light and infrared 400-1100nm has increase, shows the compound action of lower conversion and antireflective film, Shorted devices electric current relative to no patch antireflective film improves 2.4mA/cm2, relative to the lower conversion material of only antireflective film The lamination solar cell of material, short circuit power also improve 0.3mA/cm2.Therefore the antireflective film can effectively improve perovskite The sunken light ability and ultraviolet responding ability of silicon lamination solar cell, improve the commercial applications prospect of such battery.
In another alternative embodiment, bottom battery layers push up battery layers also using the n silicon based on PERC structure as bottom battery Using based on MAPbI3Transparent perovskite battery, tunnel layer is ultra-thin silica, and transition material selects doping Eu under spectrum2+ Strontium silicate barium under transition material, fall into light flannelette be the sunken light flannelette with roseleaf, host material use poly dimethyl silicon Oxygen alkane (PDMS).
Specifically, the making step of conversion antireflective film includes: under the spectrum in the present embodiment
First, dimethyl silicone polymer (PDMS) and curing agent are subjected to liquid using the mass ratio of 10:1 and mixed as matrix Material simultaneously weighs,
Second, Eu will be adulterated2+Strontium silicate barium under transition material mix load weighted PDMS mixing liquid, carry out uniform It is mixed, preferred mixing quality score is 0.3-1.0%;
Third is blended with Eu2+Strontium silicate barium under turn the PDMS liquid of material and pour into the grinding tool for posting roseleaf Flannelette image copying is carried out, and is accurately controlled and pours into amount of liquid to control the thickness of antireflective film, preferably with a thickness of 1-2mm.
4th, after the PMDS solution left standstill about 24-48h being put into the grinding tool with roseleaf solidification, remove solidification Antireflective film can be obtained and convert antireflective film under the spectrum of the bionical object flannelette having.
In the present embodiment, bottom battery layers use the n-type silicon solar battery based on PERC structure, which throws Light and the pn-junction for being located at top with p+, 3 μm of junction depth;After the silica of silicon wafer front surface growth about 1.5nm is as tunnel layer Prepare top battery of the transparent perovskite battery as lamination.
Specifically, top battery way is as follows:
1.SnO2 obtains intermediate tunnel layer;
2. preparing MAPbI with one-step method3Calcium titanium ore bed;
3. preparing Spiro-OMeTAD hole transmission layer using spin-coating method, MoO is deposited3Afterwards, top layer preparation is based on the saturating of ITO Bright battery simultaneously prepares metal grid lines.
The surface that the antireflective film with lower conversion function of preparation is directly finally affixed on solar battery was both available Final laminated cell.By IV performance test, which obtains the open circuit of 1.70V Voltage, 16.4mA/cm2Short-circuit current density, 0.78 fill factor and 21.7% photoelectric conversion efficiency.Thus data It can show that the antireflective film can effectively improve the sunken light ability and ultraviolet responding ability of perovskite silicon lamination solar cell, Improve the commercial applications prospect of such battery.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any Those familiar with the art in the technical scope disclosed by the present invention, can readily occur in various equivalent modifications or replace It changes, these modifications or substitutions should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with right It is required that protection scope subject to.

Claims (10)

1. converting antireflective film under a kind of spectrum, it to be used for solar battery characterized by comprising
Host material layer, the host material layer are transparent matrix material;
Light flannelette layer is fallen into, the upper end of the host material layer is arranged in the sunken light flannelette layer;
Transition material under spectrum, transition material is uniformly distributed under the spectrum and converts in antireflective film under the spectrum;
Wherein, the mass ratio that transition material accounts for the transparent matrix material under the spectrum is 0.001-30%, the sunken light The thickness of flannelette layer is within the scope of 0.01-20mm.
2. converting antireflective film under spectrum according to claim 1, which is characterized in that the host material layer includes vinegar copolymerization At least one of object, polyvinyl butyral, dimethyl silicone polymer and polyolefin.
3. converting antireflective film under spectrum according to claim 1, which is characterized in that the shape of the sunken light flannelette includes just At least one of pyramid, reverse pyramid, random trap shape, petal surface shape and leaf surface shape.
4. converting antireflective film under spectrum according to claim 3, which is characterized in that transition material is solid under the spectrum Or liquid;And/or
The absorbing wavelength of transition material is in 200-500nm under the spectrum, and the launch wavelength of transition material exists under the spectrum Within the scope of 400-1200nm;
When transition material is solid under the spectrum, the particle size of the solid is within the scope of 1nm-1mm.
5. converting antireflective film under spectrum according to claim 1, which is characterized in that transition material includes dilute under the spectrum In native doped luminescent material, vanadate self-luminescent material, tungstates self-luminescent material, quantum dot light emitting material and organic dyestuff It is at least one.
6. converting antireflective film under spectrum according to claim 5, which is characterized in that transition material includes under the spectrum When rear-earth-doped luminous material,
The rear-earth-doped luminous material includes silicate, borate, tungstates, vanadate, chloro-aluminate, nitride, nitrogen oxygen At least one of compound and phosphate;
The rare earth dopant of the rear-earth-doped luminous material includes Eu2+、Eu3+、Ce3+、Tb3+、Sm3+、Dy3+、Po3+、Pr3+、Ho3 +At least one of rare earth element.
7. converting antireflective film under spectrum according to claim 5, which is characterized in that transition material includes under the spectrum When quantum dot light emitting material,
The quantum dot light emitting material includes PbS, PbSe, ZnO, CsPbI3、CsPbBr3、ZnS、CuGaS2/ZnS、 CsPbCl1.5Br1.5:Yb3+,Ce3+And CdxZn1-xAt least one of S/ZnS material.
8. converting antireflective film under spectrum according to claim 5, which is characterized in that transition material includes under the spectrum When organic dyestuff,
The organic dyestuff includes dye stuff of rhodamine kinds, fluorine boron fluorescent dye, Coumarins dyestuff, triphen amine dyestuff, carbazole At least one of class dyestuff and premetallized dye.
9. a kind of production method as converted antireflective film under the described in any item spectrum of claim 1-8, which is characterized in that packet It includes:
Transition material under spectrum and curing agent are subjected to liquid mixing as matrix using the mass ratio of 10:1 and weighed;
Transition material under spectrum is mixed in load weighted liquid, is uniformly mixed;
Mixed liquid is poured into grinding tool, prepares and falls into light flannelette;
Stand solidification.
10. a kind of lamination solar cell characterized by comprising
Bottom battery layers, the bottom battery layers are using the homogeneity agglomeration silicon solar battery based on Al-BSF or based on PERC;
Battery layers are pushed up, the top battery is the top battery using transparent perovskite battery as lamination;
Tunnel layer, the tunnel layer connect the bottom battery layers and the top battery layers;
As converted antireflective film under the described in any item spectrum of claim 1-8, set on the top of the top battery.
CN201910649987.2A 2019-07-18 2019-07-18 Antireflective film, production method and lamination solar cell are converted under a kind of spectrum Pending CN110246908A (en)

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