CN107768522A - A kind of perovskite thin film solar cell using graphene as conductive material and preparation method thereof - Google Patents
A kind of perovskite thin film solar cell using graphene as conductive material and preparation method thereof Download PDFInfo
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- CN107768522A CN107768522A CN201711220129.3A CN201711220129A CN107768522A CN 107768522 A CN107768522 A CN 107768522A CN 201711220129 A CN201711220129 A CN 201711220129A CN 107768522 A CN107768522 A CN 107768522A
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- solar cell
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 40
- 229910021389 graphene Inorganic materials 0.000 title claims abstract description 37
- 239000010409 thin film Substances 0.000 title claims abstract description 34
- 239000004020 conductor Substances 0.000 title claims abstract description 8
- 238000002360 preparation method Methods 0.000 title claims abstract description 8
- 239000010408 film Substances 0.000 claims abstract description 24
- 229910052751 metal Inorganic materials 0.000 claims abstract description 15
- 239000002184 metal Substances 0.000 claims abstract description 15
- 239000000758 substrate Substances 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 claims description 24
- 239000011521 glass Substances 0.000 claims description 12
- 239000007791 liquid phase Substances 0.000 claims description 6
- 229920003023 plastic Polymers 0.000 claims description 5
- 239000004411 aluminium Substances 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 239000012071 phase Substances 0.000 claims description 4
- 238000001556 precipitation Methods 0.000 claims description 4
- 239000004332 silver Substances 0.000 claims description 4
- 229910052709 silver Inorganic materials 0.000 claims description 4
- 238000005229 chemical vapour deposition Methods 0.000 claims description 3
- 229910002804 graphite Inorganic materials 0.000 claims description 3
- 239000010439 graphite Substances 0.000 claims description 3
- 230000009467 reduction Effects 0.000 claims description 3
- 238000000151 deposition Methods 0.000 claims description 2
- 230000008021 deposition Effects 0.000 claims description 2
- JTCFNJXQEFODHE-UHFFFAOYSA-N [Ca].[Ti] Chemical compound [Ca].[Ti] JTCFNJXQEFODHE-UHFFFAOYSA-N 0.000 abstract description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 5
- 239000001301 oxygen Substances 0.000 abstract description 5
- 229910052760 oxygen Inorganic materials 0.000 abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 5
- 230000009466 transformation Effects 0.000 abstract description 4
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000000354 decomposition reaction Methods 0.000 abstract description 2
- 238000009792 diffusion process Methods 0.000 abstract description 2
- 238000002834 transmittance Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 4
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical group [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 3
- 229910052791 calcium Inorganic materials 0.000 description 3
- 239000011575 calcium Substances 0.000 description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 125000004429 atom Chemical group 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 150000001721 carbon Chemical group 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
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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
- H10K30/10—Organic devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation comprising heterojunctions between organic semiconductors and inorganic semiconductors
- H10K30/15—Sensitised wide-bandgap semiconductor devices, e.g. dye-sensitised TiO2
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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
- H10K30/80—Constructional details
- H10K30/81—Electrodes
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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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- Electromagnetism (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Photovoltaic Devices (AREA)
Abstract
The invention discloses a kind of perovskite thin film solar cell using graphene as conductive material and preparation method thereof, it is characterised in that the structure of the solar cell sequentially consists of：Transparent conductive substrate 1, N types perovskite thin film 2, p-type graphene film 3, metal electrode 4.Compared with the perovskite solar cell of traditional structure, the advantage of the invention is that：Utilize the unique impermeability of graphene film, itself and perovskite thin film are formed to the PN junction of solar cell, both harmful diffusion of the metal electrode to calcium titanium ore bed under high temperature can effectively have been stopped, and can, which effectively prevents the water oxygen in air from entering calcium titanium ore bed, makes its decomposition, so as to substantially increase the water oxygen stability of perovskite solar cell and heat endurance, its service life is extended.Also, the high conductivity and light transmittance of graphene, drastically increase the power output and photoelectric transformation efficiency of perovskite solar cell.
Description
Technical field
The invention belongs to new energy field, and in particular to a kind of perovskite thin film sun using graphene as conductive material
Energy battery and preparation method thereof.
Background technology
Graphene be currently known it is most thin（Monoatomic layer thickness about 0.34nm）, most hard nano material（Young's modulus
1TPa, inherent strength 130GPa）It is almost fully transparent, 2.3% light is only absorbed, thermal conductivity factor is up to 5300W/mK,
Room temperature electron mobility is more than 15000cm2/ Vs, resistivity are only 10-6Ω cm, it is the minimum material of current resistivity.Together
When, graphene possesses high air-tightness, and any gas can not be completely through.And because its resistivity is extremely low, electronics
Migration velocity is exceedingly fast, and is especially suitable for for making solar cell.According to the atomic structure of graphene, its carbon atom formed six
Side shape gap only allows the atom that radius is 0.032nm sizes to pass through the size atom (hydrogen more minimum than radius：0.079nm)
Also small, therefore, graphene film has unique impermeability.
Based on hybrid inorganic-organic perovskite material (CH3NH3Pb X3) prepare efficiency of solar cell from 2009 from
3.8% rises to current 22.1%, and because of its higher absorption coefficient of light, relatively low cost and the advantage such as easily prepared obtain extensively
Concern.With deepening continuously for domestic and international correlative study in recent years, the electricity conversion of perovskite solar cell is continuous
Improve.Although perovskite solar cell current situation is good, but still there are some key factors to constrain perovskite solar-electricity
The factor of the development in pond, wherein most critical is exactly the stability problem of battery, perovskite solar cell in an atmosphere easily because
Cause calcium titanium ore bed to decompose for the entrance of water oxygen, cause its photoelectric transformation efficiency deep fades, seek the calcium titanium of stable performance
Ore deposit solar cell is always pursuing a goal for researcher.
The content of the invention
In order to improve the stability of traditional perovskite solar cell, to extend the use longevity of perovskite solar cell
Life, increases its photoelectric transformation efficiency, and the present invention provides a kind of perovskite thin film solar-electricity using graphene as conductive material
Pond and preparation method thereof, it is characterised in that the structure of the thin-film solar cells is followed successively by from top to bottom：Electrically conducting transparent serves as a contrast
Bottom, N-type perovskite thin film, p-type graphene film, metal electrode.The transparent conductive substrate is that FTO electro-conductive glass or ITO are led
Electric glass or organic flexible electrically conducting transparent plastics or graphene oxide；The metal electrode is silver or aluminium electrode；The film is too
The preparation process of positive energy battery comprises the following steps：First, one piece of transparent conductive substrate is taken, utilizes liquid phase one-step method or liquid phase two
Footwork or gas phase steam precipitation method deposited n-type perovskite thin film in transparent conductive substrate altogether；Then, chemical vapour deposition technique is utilized
Or stripping method or reduction graphite oxide method deposit p-type graphene film on N-type perovskite thin film；Finally, steamed using vacuum
Plating method or silk screen print method distinguish deposited metal front and back electrode on p-type graphene film and transparent conductive substrate, i.e.,
Required perovskite thin film solar cell is made.Compared with the perovskite solar cell of traditional structure, of the invention is excellent
Point is：Using the unique impermeability of graphene film, itself and perovskite thin film are formed to the PN junction of solar cell, both can be with
Effectively stop harmful diffusion of the metal electrode to calcium titanium ore bed under high temperature, and can effectively prevents the water oxygen in air from entering perovskite
Layer makes its decomposition, so as to substantially increase the water oxygen stability of perovskite solar cell and heat endurance, extends its use
Life-span.Again and, graphene have low cost, high conductivity, the advantage such as high transmission rate and good illumination heat endurance, greatly
Ground improves the power output and photoelectric transformation efficiency of perovskite solar cell.
Brief description of the drawings
Accompanying drawing 1 is a kind of Rotating fields of perovskite thin film solar cell using graphene as conductive material provided by the invention
Schematic diagram.
The label declaration of accompanying drawing 1：
1-transparent conductive substrate；
2-N-type perovskite thin film；
3-p-type graphene film；
4-metal electrode.
Embodiment
Below in conjunction with the accompanying drawings 1 and specific embodiment the invention will be further described, but present invention is not limited only to reality
Apply the content being related in example.
Present invention structure as shown in accompanying drawing 1, it includes transparent conductive substrate 1, the N type calcium titaniums being sequentially distributed from bottom to up
Ore deposit film 2, p-type graphene film 3, metal electrode 4.
Embodiment 1：A kind of preparation method of perovskite thin film solar cell using graphene as conductive material, according to
Following steps operate：
First, one piece of clean FTO Conducting Glass is taken, FTO Conducting Glass is cleaned using sonochemistry, utilized
Liquid phase one-step method deposited n-type perovskite thin film in FTO Conducting Glass；Then, using chemical vapour deposition technique in N-type calcium
P-type graphene film is deposited on titanium ore film；Finally, served as a contrast using silk screen print method in p-type graphene film and FTO electro-conductive glass
Deposited metal silver electrode is distinguished on bottom, that is, required perovskite thin film solar cell is made.
Embodiment 2：First, one piece of clean graphene oxide substrate is taken, is served as a contrast using liquid phase two-step method in graphene oxide
Deposited n-type perovskite thin film on bottom, p-type graphene film is then deposited on N-type perovskite thin film using stripping method；Finally,
Deposited metal aluminium electrode is distinguished on p-type graphene film and graphene oxide substrate using vacuum vapour deposition, that is, is made required
The perovskite thin film solar cell wanted.
Embodiment 3：First, one piece of clean ITO Conducting Glass is taken, ITO Conducting Glass is used into ultrasonic wave
Chemical cleaning, the precipitation method is steamed using gas phase is deposited in ITO Conducting Glass and obtain N-type perovskite thin film altogether；Then, utilize
Reduction graphite oxide method deposits p-type graphene film on N-type perovskite thin film；Finally, using silk screen print method in p-type stone
Deposited metal silver electrode is distinguished on black alkene film and ITO Conducting Glass, that is, required perovskite thin film solar energy is made
Battery.
Embodiment 4：First, one piece of clean organic flexible electrically conducting transparent plastic supporting base is taken, steams the precipitation method altogether using gas phase
The deposited n-type perovskite thin film in organic flexible electrically conducting transparent plastic supporting base；Then, using chemical vapor infiltration in N-type calcium
P-type graphene film is deposited on titanium ore film；Finally, it is transparent in p-type graphene film and organic flexible using silk screen print method
Deposited metal aluminium electrode is distinguished on conductive plastics substrate, that is, required perovskite thin film solar cell is made.
Claims (4)
- A kind of 1. perovskite thin film solar cell using graphene as conductive material, it is characterised in that the solar-electricity The structure in pond sequentially consists of：Transparent conductive substrate, N-type perovskite thin film, p-type graphene film, metal electrode.
- 2. thin-film solar cells according to claim 1, it is characterised in that the transparent conductive substrate is FTO conductive Glass or ITO electro-conductive glass or organic flexible electrically conducting transparent plastics or graphene oxide.
- 3. thin-film solar cells according to claim 1, it is characterised in that the metal electrode is silver or aluminium electrode.
- 4. a kind of preparation method of thin-film solar cells as claimed in claim 1, it is characterised in that first, take one piece thoroughly Bright conductive substrates, precipitation method deposited n-type in transparent conductive substrate is steamed altogether using liquid phase one-step method or liquid phase two-step method or gas phase Perovskite thin film；Then, using chemical vapour deposition technique or stripping method or reduction graphite oxide method on N-type perovskite thin film Deposit p-type graphene film；Finally, served as a contrast using vacuum vapour deposition or silk screen print method in p-type graphene film and electrically conducting transparent Deposited metal front and back electrode is distinguished on bottom, that is, required perovskite thin film solar cell is made.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711220129.3A CN107768522A (en) | 2017-11-29 | 2017-11-29 | A kind of perovskite thin film solar cell using graphene as conductive material and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711220129.3A CN107768522A (en) | 2017-11-29 | 2017-11-29 | A kind of perovskite thin film solar cell using graphene as conductive material and preparation method thereof |
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| CN107768522A true CN107768522A (en) | 2018-03-06 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109841742A (en) * | 2019-03-28 | 2019-06-04 | 信阳师范学院 | A kind of high stability perovskite solar battery for using graphene as conductive electrode |
| CN109860398A (en) * | 2019-04-01 | 2019-06-07 | 湖南师范大学 | A kind of perovskite thin film solar battery and preparation method thereof using titanium niobic acid and cadmium sulfide laminated film as electron transfer layer |
| CN109950406A (en) * | 2019-03-28 | 2019-06-28 | 信阳师范学院 | A kind of perovskite battery and preparation method thereof with graphene barrier layer |
| CN110335946A (en) * | 2019-06-26 | 2019-10-15 | 上海黎元新能源科技有限公司 | A kind of the perovskite extinction layer material and solar battery of perovskite solar battery |
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| CN109950406A (en) * | 2019-03-28 | 2019-06-28 | 信阳师范学院 | A kind of perovskite battery and preparation method thereof with graphene barrier layer |
| CN109860398A (en) * | 2019-04-01 | 2019-06-07 | 湖南师范大学 | A kind of perovskite thin film solar battery and preparation method thereof using titanium niobic acid and cadmium sulfide laminated film as electron transfer layer |
| CN110335946A (en) * | 2019-06-26 | 2019-10-15 | 上海黎元新能源科技有限公司 | A kind of the perovskite extinction layer material and solar battery of perovskite solar battery |
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Application publication date: 20180306 |