CN110504369A - It is a kind of can silk-screen printing carbon pastes and high water conservancy diversion carbon electrode preparation method - Google Patents
It is a kind of can silk-screen printing carbon pastes and high water conservancy diversion carbon electrode preparation method Download PDFInfo
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 137
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 122
- 238000002360 preparation method Methods 0.000 title claims abstract description 46
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 21
- 238000007650 screen-printing Methods 0.000 title claims abstract description 20
- 239000010410 layer Substances 0.000 claims abstract description 108
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims abstract description 34
- 229920000049 Carbon (fiber) Polymers 0.000 claims abstract description 23
- 239000004917 carbon fiber Substances 0.000 claims abstract description 23
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 23
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 claims abstract description 17
- 229910001928 zirconium oxide Inorganic materials 0.000 claims abstract description 17
- 239000010409 thin film Substances 0.000 claims abstract description 16
- 239000010439 graphite Substances 0.000 claims abstract description 15
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 15
- 239000002243 precursor Substances 0.000 claims abstract description 15
- 239000006229 carbon black Substances 0.000 claims abstract description 11
- 239000011229 interlayer Substances 0.000 claims abstract description 11
- 238000005245 sintering Methods 0.000 claims abstract description 11
- 238000000643 oven drying Methods 0.000 claims abstract description 10
- 239000003575 carbonaceous material Substances 0.000 claims abstract description 9
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000001293 FEMA 3089 Substances 0.000 claims abstract description 8
- 239000011230 binding agent Substances 0.000 claims abstract description 8
- 238000009738 saturating Methods 0.000 claims abstract description 8
- 239000002904 solvent Substances 0.000 claims abstract description 6
- 239000001856 Ethyl cellulose Substances 0.000 claims abstract description 3
- ZZSNKZQZMQGXPY-UHFFFAOYSA-N Ethyl cellulose Chemical compound CCOCC1OC(OC)C(OCC)C(OCC)C1OC1C(O)C(O)C(OC)C(CO)O1 ZZSNKZQZMQGXPY-UHFFFAOYSA-N 0.000 claims abstract description 3
- 229920001249 ethyl cellulose Polymers 0.000 claims abstract description 3
- 235000019325 ethyl cellulose Nutrition 0.000 claims abstract description 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 36
- 239000011148 porous material Substances 0.000 claims description 16
- 239000002019 doping agent Substances 0.000 claims description 12
- 238000000151 deposition Methods 0.000 claims description 7
- 239000011521 glass Substances 0.000 claims description 7
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 6
- 239000010408 film Substances 0.000 claims description 5
- 229910000480 nickel oxide Inorganic materials 0.000 claims description 4
- GNRSAWUEBMWBQH-UHFFFAOYSA-N oxonickel Chemical compound [Ni]=O GNRSAWUEBMWBQH-UHFFFAOYSA-N 0.000 claims description 4
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims description 4
- 229910000428 cobalt oxide Inorganic materials 0.000 claims description 3
- IVMYJDGYRUAWML-UHFFFAOYSA-N cobalt(ii) oxide Chemical compound [Co]=O IVMYJDGYRUAWML-UHFFFAOYSA-N 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 229910044991 metal oxide Inorganic materials 0.000 claims description 3
- 150000004706 metal oxides Chemical group 0.000 claims description 3
- 239000011787 zinc oxide Substances 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000003647 oxidation Effects 0.000 description 6
- 238000007254 oxidation reaction Methods 0.000 description 6
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 5
- 238000001354 calcination Methods 0.000 description 5
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 239000000843 powder Substances 0.000 description 5
- 229910052726 zirconium Inorganic materials 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 239000001913 cellulose Substances 0.000 description 2
- 229920002678 cellulose Polymers 0.000 description 2
- 238000000280 densification Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- XDXWNHPWWKGTKO-UHFFFAOYSA-N 207739-72-8 Chemical compound C1=CC(OC)=CC=C1N(C=1C=C2C3(C4=CC(=CC=C4C2=CC=1)N(C=1C=CC(OC)=CC=1)C=1C=CC(OC)=CC=1)C1=CC(=CC=C1C1=CC=C(C=C13)N(C=1C=CC(OC)=CC=1)C=1C=CC(OC)=CC=1)N(C=1C=CC(OC)=CC=1)C=1C=CC(OC)=CC=1)C1=CC=C(OC)C=C1 XDXWNHPWWKGTKO-UHFFFAOYSA-N 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 150000003384 small molecules Chemical class 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000010345 tape casting Methods 0.000 description 1
- 238000001947 vapour-phase growth Methods 0.000 description 1
Classifications
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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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- 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
- H10K71/10—Deposition of organic active material
- H10K71/12—Deposition of organic active material using liquid deposition, e.g. spin coating
- H10K71/13—Deposition of organic active material using liquid deposition, e.g. spin coating using printing techniques, e.g. ink-jet printing or screen printing
-
- 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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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Hybrid Cells (AREA)
- Inert Electrodes (AREA)
- Photovoltaic Devices (AREA)
Abstract
The present invention relates to can silk-screen printing carbon pastes and high water conservancy diversion carbon electrode preparation method, comprising steps of the 1) preparation of carbon pastes: conductive carbon material being mixed in proportion, wherein conductive carbon material includes graphite flake, carbon black and carbon fiber；Ethyl cellulose and zirconium oxide are added as binder, baking oven drying is put into, the saturating alcohol of turpentine oil is added after being cooled to room temperature as solvent, is sufficiently stirred, is uniformly mixed, obtains carbon pastes；2) preparation of carbon electrode: pass through screen printing step 1) in carbon pastes form high water conservancy diversion carbon electrode after high temperature sintering.The beneficial effects of the present invention are: the present invention is by being added carbon fiber into carbon pastes, improve the electric conductivity of carbon electrode and flow conductivity, more perovskite precursor solutions are guided uniformly to fill to mesoporous bracket interlayer, and one layer of independent perovskite thin film layer is formed in carbon electrode layer and Zirconia mesoporous interlayer, and then form a kind of battery structure, low in cost, preparation process is simple.
Description
Technical field
The present invention relates to a kind of carbon-based perovskite of sintering carbon pastes used for solar batteries and carbon electrode preparation, it is more specific and
Speech, be related to it is a kind of can silk-screen printing carbon pastes and high water conservancy diversion carbon electrode preparation method.
Background technique
Novel thin film solar battery develops rapidly in recent years, and wherein the development speed of perovskite solar battery is fast outstanding
For protrusion.Its efficiency linear ramps within the short several years, have broken through 24% at present.The metal electrode perovskite solar energy of standard
Battery, using hybrid inorganic-organic perovskite as light absorbing layer, organic small molecule material Spiro-OMeTAD is hole transmission layer,
Its preparation environmental requirement is harsh, and expensive raw material price is unfavorable for large-scale commercial production.It is high using cheap carbon material substitution
Expensive metal electrode and hole transmission layer, while the requirement to process environments is reduced, it will be the following perovskite solar battery
One trend of development larger in area.
The carbon electrode that perovskite solar battery uses at present mainly has two kinds of carbon of cryogenic carbon and sintering, uses screen printing
The preparation method of brush or knife coating.For low temperature carbon pastes, the requirement to solvent is high, or even generates shadow to perovskite thin film
It rings, and lower temperature cannot be guaranteed that the solvent in carbon pastes volatilizees completely, remaining solvent can be destroyed to perovskite thin film
Stablize, and then influences the long-time stability of battery efficiency.In sintering carbon, which can pass through the method solution of high temperature sintering
Certainly, by sintered carbon electrode, resistance also be will further decrease.Its existing main problem is, perovskite presoma
When solution is infiltrated into mesoporous layer by being sintered carbon, due to the obstruction of graphite flake, perovskite precursor liquid can be remained in carbon electrode,
Influence the final efficiency of device.
Summary of the invention
The purpose of the present invention is overcoming deficiency in the prior art, providing one kind can silk-screen printing carbon pastes and high water conservancy diversion carbon
The carbon fiber of special ratios is added in carbon pastes, increases the flow conductivity and electric conductivity of carbon electrode for the preparation method of electrode, thus
Improve the transfer efficiency of perovskite solar battery.
It is this can silk-screen printing carbon pastes and high water conservancy diversion carbon electrode preparation method, comprising the following steps:
1) preparation of carbon pastes: conductive carbon material is mixed in proportion, wherein conductive carbon material include graphite flake, carbon black and
Carbon fiber；Ethyl cellulose and zirconium oxide are added as binder, baking oven drying is put into, turpentine oil is added after being cooled to room temperature
Saturating alcohol is sufficiently stirred as solvent, is uniformly mixed, obtains carbon pastes；
2) preparation of carbon electrode: pass through screen printing step 1) in carbon pastes form high water conservancy diversion after high temperature sintering
Carbon electrode.
As preferred: in the step 1), the ratio of carbon fiber, carbon black and graphite flake is 1~2:2:6.
As preferred: in the step 1), baking oven drying temperature be 50 DEG C~250 DEG C, drying time be 30min~
90min。
As preferred: in the step 1), the specification of carbon fiber are as follows: diameter be 100nm~300nm, specific surface area be 1~
50g/cm3, length is 5 μm~100 μm.Used carbon fiber is the chopped carbon fiber of vapor phase growth, and good mechanical properties are led
It is electrically high.In addition, the wellability of carbon fiber and perovskite precursor liquid is more preferable than graphite flake, carbon black.Flaky graphite overlaps layer by layer,
Hinder the process of osmosis of perovskite precursor liquid.And after being inserted into carbon fiber in graphite flake, just erected between graphite flake
The bridge of connection plays the elicitation effect to perovskite precursor liquid in carbon electrode.Therefore, the addition of carbon fiber reduces calcium
Residual of the titanium ore precursor liquid in carbon electrode, is more satisfactory filling with it into mesoporous shelf layer, and then generates more effective light
It absorbs.
As preferred: in the step 1), the conductive carbon material solid content of carbon pastes is 10%~50%.
As preferred: in the step 1), the time being mixed in carbon pastes preparation process is 30min~120min.
As preferred: in the step 2), be made carbon electrode with a thickness of 10 μm~30 μm.
As preferred: in the step 2), high temperature sintering temperature is 300 DEG C~450 DEG C.
As preferred: in the step 2), after the completion of sintering, temperature not etc. is not down to room temperature, but at 50 DEG C~150 DEG C
When just take out carbon electrode.
As preferred: carrying out step 3), the preparation of perovskite solar battery: on FTO glass after the step 2)
It is sequentially depositing compacted zone, medium pore of titania layer, Zirconia mesoporous layer and carbon electrode layer, perovskite precursor solution passes through carbon electrode
The water conservancy diversion of layer is uniformly distributed in medium pore of titania layer and Zirconia mesoporous layer, is thermally formed perovskite light absorbing layer, and in carbon
Electrode layer and Zirconia mesoporous interlayer form one layer of independent perovskite thin film layer, and perovskite solar battery, calcium is prepared
Titanium ore solar battery structure successively includes compacted zone, medium pore of titania layer, perovskite light absorbing layer, zirconium oxide Jie from the bottom up
Aperture layer, perovskite thin film layer and carbon electrode layer；Perovskite thin film layer with a thickness of 100nm~300nm；Compacted zone is metal oxidation
Object film, material are titanium oxide and its dopant, zinc oxide and its dopant, cobalt oxide and its dopant or nickel oxide and its mix
At least one of sundries, compacted zone with a thickness of 30~50nm.
The beneficial effects of the present invention are: the present invention by being added carbon fiber into carbon pastes, on the one hand improves carbon electricity
On the other hand the electric conductivity of pole improves the flow conductivity of carbon electrode, guide more perovskite precursor solutions uniformly fill to
Mesoporous bracket interlayer, and one layer of independent perovskite thin film layer is formed in carbon electrode layer and Zirconia mesoporous interlayer, and then formed
A kind of battery structure, low in cost, preparation process is simple, and improves the transfer efficiency of perovskite solar battery.
Detailed description of the invention
Fig. 1 is that (wherein, it is different to respectively represent addition for four curves for the I-V characteristic curve graph of Examples 1 to 4 assembled battery
Measure the assembled battery I-V characteristic curve of carbon fiber).
Fig. 2 is the I-V characteristic curve graph of embodiment 3 and 1 assembled battery of comparative example.
Fig. 3 is the SEM sectional schematic diagram of embodiment 3 and 1 assembled battery of comparative example.
Specific embodiment
The present invention is described further below with reference to embodiment.The explanation of following embodiments is merely used to help understand this
Invention.It should be pointed out that for those skilled in the art, without departing from the principle of the present invention, also
Can be with several improvements and modifications are made to the present invention, these improvement and modification also fall into the protection scope of the claims in the present invention
It is interior.
Carbon electrode is applied in being sintered carbon-based perovskite solar battery, which successively includes densification from the bottom up
Layer, perovskite light absorbing layer, mesoporous shelf layer, perovskite thin film layer, carbon electrode layer, perovskite precursor solution pass through carbon electrode
The water conservancy diversion of layer is uniformly distributed in mesoporous shelf layer, is thermally formed perovskite light absorbing layer, and be situated between in carbon electrode layer and zirconium oxide
Hole interlayer forms one layer of independent perovskite thin film layer, and thickness is about 100nm~300nm.The densification of perovskite solar battery
Layer is metal-oxide film, preferably titanium oxide and its dopant, zinc oxide and its dopant, cobalt oxide and its dopant,
At least one of nickel oxide and its dopant, compacted zone with a thickness of 30~50nm.The mesoporous branch of perovskite solar battery
Rack-layer is two layer metal oxide mesopore film, and lower layer is preferably titanium oxide and its dopant, with a thickness of 300nm~800nm, on
Layer is preferably at least one of zirconium oxide, aluminium oxide, nickel oxide, with a thickness of 1 μm~2 μm.
Embodiment 1:
(1) preparation of carbon pastes.After carbon fiber, carbon black, graphite flake powder are mixed according to 1:2:6 ratio, it is fine that ethyl is added
Dimension element and zirconium oxide take out after being then placed in 100 DEG C of baking oven drying, are cooled to room temperature as binder.It is saturating that 28g turpentine oil is added
10min, deaeration 20min is mixed in alcohol.3 times repeatedly.
(2) preparation of carbon electrode.Above-mentioned carbon pastes are printed on Zirconia mesoporous layer, thickness is about 15 μm, 100 DEG C
It dries, then 430 DEG C of calcining 30min in Muffle furnace.
(3) preparation of perovskite solar battery.Compacted zone, medium pore of titania layer, oxidation are sequentially depositing on FTO glass
The mesoporous layer of zirconium and carbon electrode layer.Perovskite precursor solution is evenly distributed on medium pore of titania layer and zirconium oxide by carbon electrode
In mesoporous layer, after 50 DEG C of heating 1h, perovskite light absorbing layer is formed, and form one in Zirconia mesoporous layer and carbon electrode interlayer
The independent perovskite thin film layer of layer.
Embodiment 2:
(1) preparation of carbon pastes.After carbon fiber, carbon black, graphite flake powder are mixed according to 1.2:2:6 ratio, ethyl is added
Cellulose and zirconium oxide take out after being then placed in 100 DEG C of baking oven drying, are cooled to room temperature as binder.28g turpentine oil is added
10min, deaeration 20min is mixed in saturating alcohol.3 times repeatedly.
(2) preparation of carbon electrode.Above-mentioned carbon pastes are printed on Zirconia mesoporous layer, thickness is about 15 μm, 100 DEG C
It dries, then 430 DEG C of calcining 30min in Muffle furnace.
(3) preparation of perovskite solar battery.Compacted zone, medium pore of titania layer, oxidation are sequentially depositing on FTO glass
The mesoporous layer of zirconium and carbon electrode layer.Perovskite precursor solution is evenly distributed on medium pore of titania layer and zirconium oxide by carbon electrode
In mesoporous layer, after 50 DEG C of heating 1h, perovskite light absorbing layer is formed, and form one in Zirconia mesoporous layer and carbon electrode interlayer
The independent perovskite thin film layer of layer.
Embodiment 3:
(1) preparation of carbon pastes.After carbon fiber, carbon black, graphite flake powder are mixed according to 1.5:2:6 ratio, ethyl is added
Cellulose and zirconium oxide take out after being then placed in 100 DEG C of baking oven drying, are cooled to room temperature as binder.28g turpentine oil is added
10min, deaeration 20min is mixed in saturating alcohol.3 times repeatedly.
(2) preparation of carbon electrode.Above-mentioned carbon pastes are printed on Zirconia mesoporous layer, thickness is about 15 μm, 100 DEG C
It dries, then 430 DEG C of calcining 30min in Muffle furnace.
(3) preparation of perovskite solar battery.Compacted zone, medium pore of titania layer, oxidation are sequentially depositing on FTO glass
The mesoporous layer of zirconium and carbon electrode layer.Perovskite precursor solution is evenly distributed on medium pore of titania layer and zirconium oxide by carbon electrode
In mesoporous layer, after 50 DEG C of heating 1h, perovskite light absorbing layer is formed, and form one in Zirconia mesoporous layer and carbon electrode interlayer
The independent perovskite thin film layer of layer.
Embodiment 4:
(1) preparation of carbon pastes.After carbon fiber, carbon black, graphite flake powder are mixed according to 2:2:6 ratio, it is fine that ethyl is added
Dimension element and zirconium oxide take out after being then placed in 100 DEG C of baking oven drying, are cooled to room temperature as binder.It is saturating that 28g turpentine oil is added
10min, deaeration 20min is mixed in alcohol.3 times repeatedly.
(2) preparation of carbon electrode.Above-mentioned carbon pastes are printed on Zirconia mesoporous layer, thickness is about 15 μm, 100 DEG C
It dries, then 430 DEG C of calcining 30min in Muffle furnace.
(3) preparation of perovskite solar battery.Compacted zone, medium pore of titania layer, oxidation are sequentially depositing on FTO glass
The mesoporous layer of zirconium and carbon electrode layer.Perovskite precursor solution is evenly distributed on medium pore of titania layer and zirconium oxide by carbon electrode
In mesoporous layer, after 50 DEG C of heating 1h, perovskite light absorbing layer is formed, and form one in Zirconia mesoporous layer and carbon electrode interlayer
The independent perovskite thin film layer of layer.
Comparative example 1:
(1) preparation of carbon pastes.After carbon fiber, carbon black, graphite flake powder are mixed according to 0:2:6 ratio, it is fine that ethyl is added
Dimension element and zirconium oxide take out after being then placed in 100 DEG C of baking oven drying, are cooled to room temperature as binder.It is saturating that 28g turpentine oil is added
10min, deaeration 20min is mixed in alcohol.3 times repeatedly.
(2) preparation of carbon electrode.Above-mentioned carbon pastes are printed on Zirconia mesoporous layer, thickness is about 15 μm, 100 DEG C
It dries, then 430 DEG C of calcining 30min in Muffle furnace.
(3) preparation of perovskite solar battery.Compacted zone, medium pore of titania layer, oxidation are sequentially depositing on FTO glass
The mesoporous layer of zirconium and carbon electrode layer.Perovskite precursor solution is evenly distributed on medium pore of titania layer and zirconium oxide by carbon electrode
In mesoporous layer, after 50 DEG C of heating 1h, perovskite light absorbing layer is formed.
Following table is to add the photoelectric properties parameter of the perovskite solar battery of carbon electrode assembling of not same amount carbon fiber:
The photoelectric properties parameter that table 1 adds the perovskite solar battery of the carbon electrode assembling of not same amount carbon fiber compares
Claims (10)
1. one kind can silk-screen printing carbon pastes and high water conservancy diversion carbon electrode preparation method, which comprises the following steps:
1) preparation of carbon pastes: conductive carbon material is mixed in proportion, and wherein conductive carbon material includes graphite flake, carbon black and carbon fiber
Dimension；Ethyl cellulose and zirconium oxide are added as binder, baking oven drying is put into, the saturating alcohol of turpentine oil is added after being cooled to room temperature
It as solvent, is sufficiently stirred, is uniformly mixed, obtains carbon pastes；
2) preparation of carbon electrode: pass through screen printing step 1) in carbon pastes, after high temperature sintering, formed carbon electrode.
2. it is according to claim 1 can silk-screen printing carbon pastes and high water conservancy diversion carbon electrode preparation method, which is characterized in that
In the step 1), the ratio of carbon fiber, carbon black and graphite flake is 1~2:2:6.
3. it is according to claim 1 can silk-screen printing carbon pastes and high water conservancy diversion carbon electrode preparation method, which is characterized in that
In the step 1), baking oven drying temperature is 50 DEG C~250 DEG C, and drying time is 30min~90min.
4. it is according to claim 1 can silk-screen printing carbon pastes and high water conservancy diversion carbon electrode preparation method, which is characterized in that
In the step 1), the specification of carbon fiber are as follows: diameter is 100nm~300nm, and specific surface area is 1~50g/cm3, length is 5 μm
~100 μm.
5. it is according to claim 1 can silk-screen printing carbon pastes and high water conservancy diversion carbon electrode preparation method, which is characterized in that
In the step 1), the conductive carbon material solid content of carbon pastes is 10%~50%.
6. it is according to claim 1 can silk-screen printing carbon pastes and high water conservancy diversion carbon electrode preparation method, which is characterized in that
In the step 1), the time being mixed in carbon pastes preparation process is 30min~120min.
7. it is according to claim 1 can silk-screen printing carbon pastes and high water conservancy diversion carbon electrode preparation method, which is characterized in that
In the step 2), be made carbon electrode with a thickness of 10 μm~30 μm.
8. it is according to claim 1 can silk-screen printing carbon pastes and high water conservancy diversion carbon electrode preparation method, which is characterized in that
In the step 2), high temperature sintering temperature is 300 DEG C~450 DEG C.
9. it is according to claim 1 can silk-screen printing carbon pastes and high water conservancy diversion carbon electrode preparation method, which is characterized in that
In the step 2), after the completion of sintering, temperature takes out carbon electrode when being down to 50 DEG C~150 DEG C.
10. it is according to claim 1 can silk-screen printing carbon pastes and high water conservancy diversion carbon electrode preparation method, feature exists
Step 3) is carried out after, the step 2), the preparation of perovskite solar battery: be sequentially depositing on FTO glass compacted zone,
Medium pore of titania layer, Zirconia mesoporous layer and carbon electrode layer, perovskite precursor solution are uniformly divided by the water conservancy diversion of carbon electrode layer
It is distributed in medium pore of titania layer and Zirconia mesoporous layer, is thermally formed perovskite light absorbing layer, and in carbon electrode layer and zirconium oxide
Mesoporous interlayer forms one layer of independent perovskite thin film layer, and perovskite solar battery, perovskite solar battery is prepared
Structure is successively thin including compacted zone, medium pore of titania layer, perovskite light absorbing layer, Zirconia mesoporous layer, perovskite from the bottom up
Film layer and carbon electrode layer；Perovskite thin film layer with a thickness of 100nm~300nm；Compacted zone is metal-oxide film, and material is
In titanium oxide and its dopant, zinc oxide and its dopant, cobalt oxide and its dopant or nickel oxide and its dopant at least
One kind, compacted zone with a thickness of 30~50nm.
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| CN201910610580.9A CN110504369B (en) | 2019-07-08 | 2019-07-08 | Preparation method of high-conductivity carbon electrode |
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| CN201910610580.9A CN110504369B (en) | 2019-07-08 | 2019-07-08 | Preparation method of high-conductivity carbon electrode |
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| CN110504369B CN110504369B (en) | 2023-08-25 |
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