CN105070838B - A kind of Ca-Ti ore type solar cell of multiple orientation ordered crystalline and preparation method thereof - Google Patents

A kind of Ca-Ti ore type solar cell of multiple orientation ordered crystalline and preparation method thereof Download PDF

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CN105070838B
CN105070838B CN201510531478.1A CN201510531478A CN105070838B CN 105070838 B CN105070838 B CN 105070838B CN 201510531478 A CN201510531478 A CN 201510531478A CN 105070838 B CN105070838 B CN 105070838B
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廖良生
王照奎
李萌
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Suzhou University
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    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K30/00—Organic devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K30/00—Organic devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation
    • H10K30/80—Constructional details
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
    • H10K71/40—Thermal treatment, e.g. annealing in the presence of a solvent vapour
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy
    • Y02E10/549—Organic PV cells

Abstract

The invention discloses a kind of Ca-Ti ore type solar cell of multiple orientation ordered crystalline and preparation method thereof, described preparation method is comprised the following steps：Step 1：Iodate first ammonium, lead chloride, inidum chloride or indium iodide are dissolved in N, in N dimethyl formamide solutions, perovskite DMF solution is obtained；Step 2：By poly- 3,4 ethylenedioxy thiophene：The processing of poly styrene sulfonate solution forms anode modification layer on electrode；Step 3：Thin-film anneal is formed into anode modification layer；Step 4：Processing calcium titanium ore bed Thin-film anneal is that can obtain photosensitive layer；Step 5：Working process [6,6] phenyl C61 methyl butyrates（PCBM）Film can obtain electron transfer layer；Step 6：Continue the ferrosin of 4,7 diphenyl of working process 1,10（Bphen）Film can obtain cathodic modification layer；Step 7：Processing cathode electrode.The solar cell for preparing significantly improves the energy conversion efficiency of device and the stability of device.

Description

A kind of Ca-Ti ore type solar cell of multiple orientation ordered crystalline and preparation method thereof
Technical field
The invention belongs to area of solar cell, it is related to a kind of perovskite solar cell and preparation method thereof, particularly It is related to a kind of Ca-Ti ore type solar cell of multiple orientation ordered crystalline and preparation method thereof.
Background technology
At present, it has been to we provide installed capacity in the prevailing silica-based solar cell of photovoltaic technology application Product more than 10GW, but because its preparation cost is higher, can complex process turn into the main clean energy resource of human future, hair Solar cell in exhibition constantly suffer from query.Ca-Ti ore type solar cell is inhaled with its with low cost, advantages of simple structure and simple The concern of numerous researchers is drawn.
Since 2009, the new solar cell based on organic and inorganic perovskite material gets the attention, In a few years, its energy conversion efficiency is improved to more than 15% from 3% for starting is quick, shows the application prospect of great potential.
In order to further realize the demand of its industrialization, the perovskite solar cell of efficient stable turns into current section of the world The target that scholar pursues.In order to preferably realize this target, researcher proposes and utilizes iodide（InCl3、InI3）Doping calcium The preparation technology of titanium ore film, its structure is similar with traditional structure, by the green wood that adulterates in calcium titanium ore bed membrane-film preparation process Material, realizes the multiple orientation ordered structure of calcium titanium ore bed internal crystallization, so the battery for improving open-circuit voltage and short circuit electricity Stream, finally also greatly enhances the energy conversion efficiency of solar cell and the stability of battery device.
The content of the invention
The technical problem to be solved：The purpose of the present invention is to disclose a kind of efficient stable, the calcium of multiple orientation ordered crystalline Titanium ore type solar cell and preparation method thereof, improves energy conversion efficiency, the device stability of solar cell device.
Technical scheme：In order to solve the above problems, the invention discloses a kind of Ca-Ti ore type of multiple orientation ordered crystalline The preparation method of solar cell, described preparation method is comprised the following steps：
Step 1：By iodate first ammonium (MAI), lead chloride (PbCl2), inidum chloride or indium iodide in molar ratio 3:0.85: 0.05-0.25 is dissolved in DMF solution, is stirred 5 hours, obtains the perovskite DMF solution of 30wt%；
Step 2：By poly- 3,4- ethylenedioxy thiophenes：Poly styrene sulfonate（PEDOT:PSS）Solution uses spin coating, ink-jet The method of printing or volume to volume is processed in substrate transparency electrode, forms uniform anode modification layer；
Step 3：Film is annealed 10-30 minutes at 95 DEG C in air, uniform anode modification layer is formed；
Step 4：In poly- 3,4- ethylenedioxy thiophenes：On poly styrene sulfonate film using spin coating, inkjet printing or The method processing calcium titanium ore bed film of volume to volume, anneals 30-50 minutes at 95-100 DEG C and can obtain uniform curing photosensitive layer；
Step 5：Continue the method working process using spin coating, inkjet printing or volume to volume on perovskite thin film [6,6]-phenyl-C61- methyl butyrates（PCBM）Film, you can obtain uniform electron transfer layer；
Step 6：Continue on electric transmission layer film at the method processing using spin coating, inkjet printing or volume to volume Reason 4,7- diphenyl -1,10- ferrosins（Bphen）Film, you can obtain uniform cathodic modification layer；
Step 7：Using evaporation or inkjet printing methods processing cathode electrode in cathodic modification layer.
As preferred technical scheme, a kind of system of the Ca-Ti ore type solar cell of described multiple orientation ordered crystalline Preparation Method, iodate first ammonium, lead chloride, inidum chloride or indium iodide mol ratio are 3 in described step 1:0.85:0.15.
As preferred technical scheme, a kind of system of the Ca-Ti ore type solar cell of described multiple orientation ordered crystalline Preparation Method, anneals 20 minutes film in described step 3 at 95 DEG C in air.
As preferred technical scheme, a kind of system of the Ca-Ti ore type solar cell of described multiple orientation ordered crystalline Preparation Method, anneals 40 minutes in described step 4 at 98 DEG C.
As preferred technical scheme, a kind of system of the Ca-Ti ore type solar cell of described multiple orientation ordered crystalline Preparation Method, the inidum chloride of selection, the purity of indium iodide are more than 99.9%.
As preferred technical scheme, a kind of system of the Ca-Ti ore type solar cell of described multiple orientation ordered crystalline Preparation Method, described substrate is flexible substrates, ito glass, AZO glass or FTO glass.
As preferred technical scheme, a kind of system of the Ca-Ti ore type solar cell of described multiple orientation ordered crystalline Preparation Method, described cathode electrode is Ag, Al or Au, and thickness of electrode is 60-100nm.
It is prepared by a kind of preparation method of the Ca-Ti ore type solar cell of the multiple orientation ordered crystalline described in any of the above The Ca-Ti ore type solar cell for obtaining.
Beneficial effect：The present invention compared with prior art, with following advantage：（1）Using doping InCl3、InI3Certain The use of Pb poisoning metal elements is reduced in degree, the pollution to environment in cell fabrication processes is greatly reduced, Make its preparation process environmental protection；
（2）Doping InCl3、InI3So that the crystallinity and ordered orientation of device calcium titanium ore bed are improved, occur more Perfect crystal structure, its film has obvious crystallization behavior along multiple directions after doping, and perovskite crystal face has Multiple order is most orientated at most and significantly, this will make calcium titanium ore bed occur in that the orderly passage of the multiple orientation of crystallization, very Separation of charge, migration and the collection rate of film can be lifted in big degree, and then can effectively improve the short circuit electricity of device Stream, fill factor, curve factor and open-circuit voltage, while make energy conversion efficiency obtain significantly improving, in the situation of lower cost Under realize the preparation of Efficient devices, further promoted instruments industries metaplasia to produce；
（3）Doping InCl3、InI3So that perovskite thin film possesses relatively stable crystal structure, the crystal structure of stabilization exists The stability of device largely can be effectively improved, the stability of device has obtained significantly improving, Device has the stability of service life and device more long under same environmental condition, is also produced for instruments industries metaplasia and provided The guarantee of power.
（4）Doping InCl3、InI3While using annealing process occur film multiple order be other conventional calcium titaniums Not available for ore deposit film, the energy conversion efficiency of device is greatly enhanced, without perovskite thin film in annealing device The crystal structure of this multiple order is not occurred, is largely improved relative to the result processed without annealing process yet The energy conversion efficiency and the stability of device of device.
Brief description of the drawings
Fig. 1 is the Ca-Ti ore type solar cell schematic diagram that preparation method of the invention is prepared；
Fig. 2 is ito glass substrate doping InI prepared by preparation method of the invention3Perovskite thin film two-dimensional x-ray Diffraction pattern.
Specific embodiment
Embodiment 1
Step 1：One ito glass substrate is provided, and is standardized cleaning；Iodate first ammonium, lead chloride, inidum chloride are pressed Mol ratio 3:0.85:0.05 is dissolved in DMF solution, stirs 5 hours, and the perovskite DMF for obtaining 30wt% is molten Liquid；
Step 2：By poly- 3,4- ethylenedioxy thiophenes：Poly styrene sulfonate solution processes saturating in substrate using spin coating method On prescribed electrode, accelerate to and rotate 40 seconds under the rotating speed of 4500rpm, form uniform anode modification layer；
Step 3：Film is annealed 30 minutes at 95 DEG C in air, uniform anode modification layer is formed；
Step 4：In poly- 3,4- ethylenedioxy thiophenes：Perovskite is processed using spin coating method on poly styrene sulfonate film Layer film, anneals 30 minutes at 100 DEG C and can obtain uniform curing photosensitive layer；
Step 5：Continue using spin coating method working process [6,6]-phenyl-C61- methyl butyrates on perovskite thin film Film, accelerates to and rotate 40 seconds under the rotating speed of 2000rpm, you can obtain uniform electron transfer layer；
Step 6：Continue on electric transmission layer film luxuriant and rich with fragrance using spin coating method working process 4,7- diphenyl -1,10- Hello quinoline film, accelerates to and rotate 40 seconds under the rotating speed of 4000rpm, you can obtain uniform cathodic modification layer；
Step 7：Using evaporation coating method processing cathode electrode Ag in cathodic modification layer.
Embodiment 2
Step 1：One ito glass substrate is provided, and is standardized cleaning；Iodate first ammonium, lead chloride, inidum chloride are pressed Mol ratio 3:0.85:0.25 is dissolved in DMF solution, stirs 5 hours, and the perovskite DMF for obtaining 30wt% is molten Liquid；
Step 2：By poly- 3,4- ethylenedioxy thiophenes：Poly styrene sulfonate solution processes saturating in substrate using spin coating method On prescribed electrode, accelerate to and rotate 40 seconds under the rotating speed of 4500rpm, form uniform anode modification layer；
Step 3：Film is annealed 10 minutes at 95 DEG C in air, uniform anode modification layer is formed；
Step 4：In poly- 3,4- ethylenedioxy thiophenes：Perovskite is processed using spin coating method on poly styrene sulfonate film Layer film, anneals 50 minutes at 95 DEG C and can obtain uniform curing photosensitive layer；
Step 5：Continue using spin coating method working process [6,6]-phenyl-C61- methyl butyrates on perovskite thin film Film, accelerates to and rotate 40 seconds under the rotating speed of 2000rpm, you can obtain uniform electron transfer layer；
Step 6：Continue on electric transmission layer film luxuriant and rich with fragrance using spin coating method working process 4,7- diphenyl -1,10- Hello quinoline film, accelerates to and rotate 40 seconds under the rotating speed of 4000rpm, you can obtain uniform cathodic modification layer；
Step 7：Using evaporation coating method processing cathode electrode Au in cathodic modification layer.
Embodiment 3
Step 1：One ito glass substrate is provided, and is standardized cleaning；Iodate first ammonium, lead chloride, inidum chloride are pressed Mol ratio 3:0.85:0.15 is dissolved in DMF solution, stirs 5 hours, and the perovskite DMF for obtaining 30wt% is molten Liquid；
Step 2：By poly- 3,4- ethylenedioxy thiophenes：Poly styrene sulfonate solution processes saturating in substrate using spin coating method On prescribed electrode, accelerate to and rotate 40 seconds under the rotating speed of 4500rpm, form uniform anode modification layer；
Step 3：Film is annealed 20 minutes at 95 DEG C in air, uniform anode modification layer is formed；
Step 4：In poly- 3,4- ethylenedioxy thiophenes：Perovskite is processed using spin coating method on poly styrene sulfonate film Layer film, anneals 40 minutes at 98 DEG C and can obtain uniform curing photosensitive layer；
Step 5：Continue using spin coating method working process [6,6]-phenyl-C61- methyl butyrates on perovskite thin film Film, accelerates to and rotate 40 seconds under the rotating speed of 2000rpm, you can obtain uniform electron transfer layer；
Step 6：Continue on electric transmission layer film luxuriant and rich with fragrance using spin coating method working process 4,7- diphenyl -1,10- Hello quinoline film, accelerates to and rotate 40 seconds under the rotating speed of 4000rpm, you can obtain uniform cathodic modification layer；
Step 7：Using evaporation coating method processing cathode electrode Au in cathodic modification layer.
Embodiment 4
Step 1：One ito glass substrate is provided, and is standardized cleaning；Iodate first ammonium, lead chloride, indium iodide are pressed Mol ratio 3:0.85:0.15 is dissolved in DMF solution, stirs 5 hours, and the perovskite DMF for obtaining 30wt% is molten Liquid；
Step 2：By poly- 3,4- ethylenedioxy thiophenes：Poly styrene sulfonate solution processes saturating in substrate using spin coating method On prescribed electrode, accelerate to and rotate 40 seconds under the rotating speed of 4500rpm, form uniform anode modification layer；
Step 3：Film is annealed 20 minutes at 95 DEG C in air, uniform anode modification layer is formed；
Step 4：In poly- 3,4- ethylenedioxy thiophenes：Perovskite is processed using spin coating method on poly styrene sulfonate film Layer film, anneals 40 minutes at 98 DEG C and can obtain uniform curing photosensitive layer；
Step 5：Continue using spin coating method working process [6,6]-phenyl-C61- methyl butyrates on perovskite thin film Film, accelerates to and rotate 40 seconds under the rotating speed of 2000rpm, you can obtain uniform electron transfer layer；
Step 6：Continue on electric transmission layer film luxuriant and rich with fragrance using spin coating method working process 4,7- diphenyl -1,10- Hello quinoline film, accelerates to and rotate 40 seconds under the rotating speed of 4000rpm, you can obtain uniform cathodic modification layer；
Step 7：Using evaporation coating method processing cathode electrode Au in cathodic modification layer.
Comparative example 1
Step 1：One ito glass substrate is provided, and is standardized cleaning；By iodate first ammonium, lead chloride in molar ratio 3:1 is dissolved in DMF solution, stirs 5 hours, obtains the perovskite DMF solution of 30wt%；
Step 2：By poly- 3,4- ethylenedioxy thiophenes：Poly styrene sulfonate solution processes saturating in substrate using spin coating method On prescribed electrode, accelerate to and rotate 40 seconds under the rotating speed of 4500rpm, form uniform anode modification layer；
Step 3：Film is annealed 30 minutes at 95 DEG C in air, uniform anode modification layer is formed；
Step 4：In poly- 3,4- ethylenedioxy thiophenes：Perovskite is processed using spin coating method on poly styrene sulfonate film Layer film, anneals 30 minutes at 100 DEG C and can obtain uniform curing photosensitive layer；
Step 5：Continue using spin coating method working process [6,6]-phenyl-C61- methyl butyrates on perovskite thin film Film, accelerates to and rotate 40 seconds under the rotating speed of 2000rpm, you can obtain uniform electron transfer layer；
Step 6：Continue on electric transmission layer film luxuriant and rich with fragrance using spin coating method working process 4,7- diphenyl -1,10- Hello quinoline film, accelerates to and rotate 40 seconds under the rotating speed of 4000rpm, you can obtain uniform cathodic modification layer；
Step 7：Using evaporation coating method processing cathode electrode Ag in cathodic modification layer.
Comparative example 2
（1）One ITO flexible substrates is provided, and is standardized cleaning；
（2）By iodate first ammonium and lead chloride and inidum chloride in molar ratio 3:0.85:0.05 is dissolved in DMF solution, stirring 5 Hour, obtain the perovskite DMF solution of 30wt%；
（3）By PEDOT:PSS solution is processed in substrate transparency electrode using spin coating method, accelerates to turning for 4500rpm The lower rotation of speed 40 seconds, forms uniform anode modification layer, and 100 DEG C are annealed 20 minutes；
（4）In PEDOT:Calcium titanium ore bed film is processed using spin coating method on PSS films, the rotating speed of 4000rpm is accelerated to Lower rotation 40 seconds, the good photosensitive layer of homogeneously crystallized property is can obtain without annealing；
（5）Spin coating method processing electron transfer layer PCBM, accelerates under the rotating speed of 2000rpm on perovskite thin film Rotation 40 seconds, obtains uniform electric transmission layer film；
（6）Cathode electrode Ag is prepared using the method for evaporation, its thickness is 100nm.
The Ca-Ti ore type solar cell properties of the above embodiments and comparative example are as follows：
Short circuit current（V） Fill factor, curve factor（%） Energy conversion efficiency（%）
Embodiment 1 0.99 22.64 68 15.31
Embodiment 2 0.96 21.69 75 15.65
Embodiment 3 1.01 21.82 75 16.80
Embodiment 4 1.03 21.30 75 17.05
Comparative example 1 1.07 12.30 64 8.50
Comparative example 2 1.09 13.80 66 9.90
As can be seen from the above table, the use indium iodide of embodiment 4 is obtained as the solar cell of perovskite component Energy conversion efficiency highest, inidum chloride takes second place.And the energy for having lacked the perovskite solar cell of inidum chloride and indium iodide turns Efficiency is changed to be greatly reduced.

Claims (8)

1. a kind of preparation method of the Ca-Ti ore type solar cell of multiple orientation ordered crystalline, it is characterised in that described system Preparation Method is comprised the following steps：
Step 1：By iodate first ammonium, lead chloride, inidum chloride or indium iodide in molar ratio 3:0.85:0.05-0.25 is dissolved in N, N- bis- In NMF solution, stir 5 hours, obtain the perovskite DMF solution of 30wt%；
Step 2：By poly- 3,4- ethylenedioxy thiophenes：Poly styrene sulfonate solution uses spin coating, inkjet printing or volume to volume Method process in substrate transparency electrode, form uniform anode modification layer；
Step 3：Film is annealed 10-30 minutes at 95 DEG C in air, uniform anode modification layer is formed；
Step 4：In poly- 3,4- ethylenedioxy thiophenes：It is right using spin coating, inkjet printing or volume on poly styrene sulfonate film The method processing calcium titanium ore bed film of volume, anneals 30-50 minutes at 95-100 DEG C and can obtain uniform curing photosensitive layer；
Step 5：Continue on perovskite thin film using spin coating, inkjet printing or volume to volume method working process [6,6]- Phenyl-C61- methyl butyrate films, you can obtain uniform electron transfer layer；
Step 6：Continue the method working process 4 using spin coating, inkjet printing or volume to volume on electric transmission layer film, 7- diphenyl -1,10- ferrosin films, you can obtain uniform cathodic modification layer；
Step 7：Using evaporation or inkjet printing methods processing cathode electrode in cathodic modification layer.
2. the preparation method of the Ca-Ti ore type solar cell of a kind of multiple orientation ordered crystalline according to claim 1, Characterized in that, iodate first ammonium, lead chloride, inidum chloride or indium iodide mol ratio are 3 in described step 1:0.85:0.15.
3. the preparation method of the Ca-Ti ore type solar cell of a kind of multiple orientation ordered crystalline according to claim 1, Characterized in that, film is annealed 20 minutes at 95 DEG C in air in described step 3.
4. the preparation method of the Ca-Ti ore type solar cell of a kind of multiple orientation ordered crystalline according to claim 1, Characterized in that, being annealed 40 minutes at 98 DEG C in described step 4.
5. the preparation method of the Ca-Ti ore type solar cell of a kind of multiple orientation ordered crystalline according to claim 1, Characterized in that, the purity of the inidum chloride chosen, indium iodide is more than 99.9%.
6. the preparation method of the Ca-Ti ore type solar cell of a kind of multiple orientation ordered crystalline according to claim 1, Characterized in that, described substrate is flexible substrates, ito glass, AZO glass or FTO glass.
7. the preparation method of the Ca-Ti ore type solar cell of a kind of multiple orientation ordered crystalline according to claim 1, Characterized in that, described cathode electrode is Ag, Al or Au, thickness of electrode is 60-100nm.
8. the system of the Ca-Ti ore type solar cell according to a kind of any described multiple orientation ordered crystalline of claim 1 to 7 The Ca-Ti ore type solar cell that Preparation Method is prepared.
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