CN105551572A - Carbon pair electrode and preparation method thereof, and preparation method of calcium-titanium solar energy battery - Google Patents
Carbon pair electrode and preparation method thereof, and preparation method of calcium-titanium solar energy battery Download PDFInfo
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Abstract
The invention discloses a carbon pair electrode and a preparation method thereof, and a preparation method of a calcium-titanium solar energy battery. The carbon pair electrode comprises following components: carbon black, graphite, ethyl cellulose and an organic solvent. The total weight of the carbon black and the graphite is 10%-20% of the weight of the organic solvent. The weight of the ethyl cellulose is 10-25% of the total weight of the carbon black and graphite. The organic solvent is mixed by islpropanol and gamma-butyrolactone in a mass ratio of 10:1-10:3. The carbon pair electrode has the advantages that material selection, design and synthesis of the low temperature carbon pair electrode formed by the carbon black and graphite are flexible are flexible, the pair electrode is simple to prepare, the photovoltaic conversion efficiency of the calcium-titanium solar energy battery assembled by the pair electrode is high, when being applied to the calcium-titanium solar energy battery, the low temperature carbon pair electrode is not processed at high temperature, can be prepared at a relatively low temperature, and can be produced and used in a large scale.
Description
Technical field
The present invention relates to area of solar cell, particularly relate to a kind of carbon to electrode and preparation method, also relate to and use this carbon to the preparation method of the perovskite solar cell of electrode.
Background technology
Perovskite solar cell is subject to the extensive concern of scientific research and industrial circle because it is with low cost, preparation technology simple, electricity conversion is higher.Perovskite solar cell has obtained greater advance since development, and its most high-photoelectric transformation efficiency is more than 20% so far.
To the important component part of electrode as perovskite solar cell, its performance quality directly has influence on the photoelectric conversion efficiency of battery.Be the hole in conduction external circuit to the Main Function of electrode, and form loop, effectively reduce electronics and the compound in hole, improve the efficiency of transmission in hole, while also can improve the utilance of perovskite solar cell to light.
Traditional is that the noble metals such as gold, silver are to electrode to electrode.Although the noble metals such as gold, silver are fine to electrode conduction hole effect, but this type of precious metal material is very expensive, add it and prepare the process conditions and corresponding process equipment that need high temperature or vacuum etc. strict, therefore complex process, cost high, limit it and apply on a large scale.Thus, be badly in need of development preparation simple, cheap to electrode material, advance the extensive use of perovskite solar cell with precious metal materials such as alternative gold, silver.
Material with carbon element has high conductivity, thermal endurance, corrosion resistance and stability, and cheap, be easy to preparation, therefore it be considered to replace noble metal to the optimal material of electrode.If but with simple carbon black or graphite to electrode, its electric conductivity is poor, and be used in perovskite solar cell by this to electrode, photoelectric conversion efficiency is also lower.In recent years, by the mixing of different material with carbon elements is prepared electrode, also get more and more with the research improving its photoelectric conversion efficiency, can application reference number be 201510295741.1 Chinese invention patent open " a kind of perovskite conductive carbon paste used for solar batteries, carbon are to electrode, battery and preparation method ", although wherein disclose, the mixture of carbon black and graphite is mixed with binding agent and organic solvent as conductive carbon material, adopt screen printing mode conductive carbon paste is prepared carbon to electrode.But, due to this carbon pastes very thickness, and its organic solvent used can damage perovskite solar cell, therefore, when being applied in perovskite solar cell, need in conductive substrates, first to generate titanium dioxide dense layer, TiO 2 porous layer and carbon to electrode, then through high-temperature process, organic solvent is volatilized, then at carbon to electrode generating perovskite light-absorption layer.Thus, complicated process of preparation, and need control temperature at about 450 ~ 500 DEG C high temperature, perovskite solar cell is met with obstruction in large-scale Industry Promotion application.Therefore, need to be improved further electrode perovskite solar battery carbon, to make its applicable industrial production and application.
Summary of the invention
In order to solve above-mentioned the deficiencies in the prior art, the invention provides the preparation method of a kind of carbon to electrode and preparation method and perovskite solar cell, this carbon is used not need through high temperature process in the preparation process of the perovskite solar cell of electrode, manufacture craft is simple, be applicable to large-scale production, higher photoelectric conversion efficiency can be obtained.
The present invention solves the problems of the technologies described above adopted technical scheme: a kind of carbon, to electrode, comprises following component: carbon black, graphite, ethyl cellulose and organic solvent, and described carbon black and graphite total weight are 10% ~ 20% of organic solvent weight; Described ethyl cellulose weight is 10 ~ 25% of carbon black and graphite total weight; Described organic solvent by isopropyl alcohol and gamma-butyrolacton in mass ratio 10:1 ~ 10:3 mix.
In some embodiments, carbon black+graphite: ethyl cellulose: organic solvent=2:0.2:12.
In some embodiments, the percentage that described carbon black weight accounts for carbon black and graphite total weight is 15% ~ 35%.
Above-mentioned carbon, to a preparation method for electrode, comprises the following steps:
1. take carbon black, graphite, ethyl cellulose, isopropyl alcohol and gamma-butyrolacton by weight, gamma-butyrolacton is mixed with isopropyl alcohol and is made into mixed liquor, carbon black and graphite to be dissolved in mixed liquor stirring and dissolving with obtained material with carbon element mixed liquor;
2. first ethyl cellulose isopropyl alcohol is dissolved, then join in the material with carbon element mixed liquor that 1. step obtain, make high molecular nanometer particles mixed liquor;
3. the high molecular nanometer particles mixed liquor of step 2. gained is stirred at 25 ~ 27 DEG C 0.5 ~ 2 little of mixing;
4. to be mixed evenly after, mixture step 3. obtained is poured in ball grinder, continues to be milled to mix, and obtains carbon to electrode.
Use above-mentioned carbon to a preparation method for the perovskite solar cell of electrode, comprise the following steps:
1. preliminary treatment: generate titanium dioxide dense layer, TiO 2 porous layer and perovskite light-absorption layer successively in conductive substrates, is then placed in dry air;
2. assemble: 1. to go up according to doctor blade process index blade coating carbon electrode in step, be then placed on and be heated to 50 ~ 70 DEG C on hot plate and be incubated 25 ~ 35min, namely can be assembled into perovskite solar cell.
Described conductive substrates is the SnO of electro-conductive glass or metallic substrates or doped with fluorine
2transparent conducting glass.
Compared with prior art, the invention has the advantages that: (1) has flexibility to electrode with the carbon of carbon black and graphite composition in the selection of material, design and synthesis, and preparation technology is relatively simple, and the perovskite solar cell that it assembles can obtain higher photoelectric conversion efficiency.
(2) organic solvent mixed by isopropyl alcohol and gamma-butyrolacton can not cause damage to perovskite light-absorption layer, gamma-butyrolacton is nontoxic transparent oily liquids, due to the feature of gamma-butyrolacton molecular structure, its reactivity worth is good, the conductivity of liquid is high, good stability, what therefore obtain is good to electrodes conduct performance.
(3) carbon black that obtains of the present invention and graphite low temperature carbon is used to the perovskite solar cell of electrode in preparation technology, make simple, and because the organic solvent selected can not damage perovskite light-absorption layer, therefore directly can cover on perovskite light-absorption layer and be coated with electrode layer, do not need high-temperature process, only need the relative low temperature of 50 ~ 70 DEG C, be applicable to large area and produce and large-scale application, for the commercial applications of perovskite solar cell provides possibility.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail, but not as a limitation of the invention.
Embodiment 1: carbon black weight accounts for 15% of carbon black and graphite total weight
Take the carbon black of 0.3g and the graphite (mass fraction that carbon black accounts for material with carbon element total weight is 15%) of 1.7g respectively, being mixed in 12g mass ratio is at normal temperatures in the isopropyl alcohol of 10:1 and the organic solvent of gamma-butyrolacton, continues stirring until and dissolves completely.Then get 0.2g ethyl cellulose and be made into aqueous isopropanol that mass fraction is the ethyl cellulose of 10% and dissolve, wherein the quality of isopropyl alcohol has comprised in organic solvent, continues stirring and makes it mix.Ethyl cellulose, as adhesion agent, makes material with carbon element form compact arranged laminated structure.By two kinds of solution mixing, and stirring 1 is little of evenly blended at normal temperatures.
To be mixed evenly after, the mixture obtained is poured in ball grinder, continues to be milled to and mix, obtain perovskite solar battery carbon to electrode.
Use the carbon of synthesis to the preparation of the perovskite solar cell of electrode: in conductive substrates, generate titanium dioxide dense layer, TiO 2 porous layer and perovskite light-absorption layer first successively, be placed in dry air, then the carbon that blade coating 5 μm is thick on perovskite light-absorption layer is to electrode, and be placed on and be heated to 70 DEG C on hot plate and be incubated 30min, namely can be assembled into perovskite solar cell.
At room temperature environment, use xenon lamp simulated solar irradiation, light intensity is 95.53mW/cm
2under (light intensity: use silicon photoelectric diode demarcate) condition, (effective illuminating area is 0.07cm to electrode perovskite solar cell to record the carbon of the present embodiment
2) short circuit current be 16.20mA/cm
2, than not adding the graphite of carbon black to electrode perovskite solar cell short circuit current (8.25mA/cm
2) improve 7.95mA/cm
2; The open circuit voltage of carbon to electrode perovskite solar cell of the present embodiment is 0.87V, is substantially consistent to electrode perovskite solar cell open circuit voltage (0.86V) with the graphite not adding carbon black; The photoelectric conversion efficiency of carbon to electrode perovskite solar cell of the present embodiment is 5.73%, improves about 84.8% than the graphite not adding carbon black to electrode perovskite solar battery efficiency (3.10%).
Embodiment 2: the percentage that carbon black weight accounts for carbon black and graphite total weight is 25%
Take the carbon black of 0.5g and the graphite (mass fraction that carbon black accounts for material with carbon element total weight is 25%) of 1.5g respectively, being mixed in 12g mass ratio is at normal temperatures in the isopropyl alcohol of 10:1 and the organic solvent of gamma-butyrolacton, continues stirring until and dissolves completely.Then get 0.2g ethyl cellulose and be made into aqueous isopropanol that mass fraction is the ethyl cellulose of 10% and dissolve, wherein the quality of isopropyl alcohol has comprised in organic solvent, continues stirring and makes it mix.Ethyl cellulose, as adhesion agent, makes material with carbon element form compact arranged laminated structure.By two kinds of solution mixing, and stirring 1 is little of evenly blended at normal temperatures.
To be mixed evenly after, the mixture obtained is poured in ball grinder, continues to be milled to and mix, obtain perovskite solar battery carbon to electrode.
Use the carbon of synthesis to the preparation of the perovskite solar cell of electrode: in conductive substrates, generate titanium dioxide dense layer, TiO 2 porous layer and perovskite light-absorption layer first successively, be placed in dry air, then the carbon that blade coating 5 μm is thick on perovskite light-absorption layer is to electrode, and be placed on and be heated to 70 DEG C on hot plate and be incubated 30min, namely can be assembled into perovskite solar cell.
At room temperature environment, use xenon lamp simulated solar irradiation, light intensity is 95.53mW/cm
2under (light intensity: use silicon photoelectric diode demarcate) condition, (effective illuminating area is 0.07cm to electrode perovskite solar cell to record the carbon of the present embodiment
2) short circuit current be 18.40mA/cm
2, than not adding the graphite of carbon black to electrode perovskite solar cell short circuit current (8.25mA/cm
2) improve 10.15mA/cm
2; The open circuit voltage of carbon to electrode perovskite solar cell of the present embodiment is 0.81V, is substantially consistent to electrode perovskite solar cell open circuit voltage (0.86V) with the graphite not adding carbon black; The photoelectric conversion efficiency of carbon to electrode perovskite solar cell of the present embodiment is 7.29%, improves about 135.1% than the graphite not adding carbon black to electrode perovskite solar battery efficiency (3.10%).
Embodiment 3: the percentage that carbon black weight accounts for carbon black and graphite total weight is 35%
Take the carbon black of 0.7g and the graphite (mass fraction that carbon black accounts for material with carbon element total weight is 35%) of 1.3g respectively, being mixed in 12g mass ratio is at normal temperatures in the isopropyl alcohol of 10:1 and the organic solvent of gamma-butyrolacton, continues stirring until and dissolves completely.Then get 0.2g ethyl cellulose and be made into aqueous isopropanol that mass fraction is the ethyl cellulose of 10% and dissolve, wherein the quality of isopropyl alcohol has comprised in organic solvent, continues stirring and makes it mix.Ethyl cellulose, as adhesion agent, makes material with carbon element form compact arranged laminated structure.By two kinds of solution mixing, and stirring 1 is little of evenly blended at normal temperatures.
To be mixed evenly after, the mixture obtained is poured in ball grinder, continues to be milled to and mix, obtain perovskite solar battery carbon to electrode.
Use the carbon of synthesis to the preparation of the perovskite solar cell of electrode: in conductive substrates, generate titanium dioxide dense layer, TiO 2 porous layer and perovskite light-absorption layer first successively, be placed in dry air, then the carbon that blade coating 5 μm is thick on perovskite light-absorption layer is to electrode, and be placed on and be heated to 70 DEG C on hot plate and be incubated 30min, namely can be assembled into perovskite solar cell.
At room temperature environment, use xenon lamp simulated solar irradiation, light intensity is 95.53mW/cm
2under (light intensity: use silicon photoelectric diode demarcate) condition, (effective illuminating area is 0.07cm to electrode perovskite solar cell to record the carbon of the present embodiment
2) short circuit current be 17.25mA/cm
2, than not adding the graphite of carbon black to electrode perovskite solar cell short circuit current (8.25mA/cm
2) improve 9.00mA/cm
2; The open circuit voltage of carbon to electrode perovskite solar cell of the present embodiment is 0.78V, is substantially consistent to electrode perovskite solar cell open circuit voltage (0.86V) with the graphite not adding carbon black; The photoelectric conversion efficiency of carbon to electrode perovskite solar cell of the present embodiment is 6.65%, improves about 114.5% than the graphite not adding carbon black to electrode perovskite solar battery efficiency (3.10%).
Embodiment 4: the percentage that carbon black weight accounts for carbon black and graphite total weight is 25%
Take the carbon black of 0.5g and the graphite (mass fraction that carbon black accounts for material with carbon element total weight is 25%) of 1.5g respectively, being mixed in 10g mass ratio is at normal temperatures in the isopropyl alcohol of 10:2 and the organic solvent of gamma-butyrolacton, continues stirring until and dissolves completely.Then get 0.3g ethyl cellulose and be made into aqueous isopropanol that mass fraction is the ethyl cellulose of 10% and dissolve, wherein the quality of isopropyl alcohol has comprised in organic solvent, continues stirring and makes it mix.Ethyl cellulose, as adhesion agent, makes material with carbon element form compact arranged laminated structure.By two kinds of solution mixing, and stirring 1 is little of evenly blended at normal temperatures.
To be mixed evenly after, the mixture obtained is poured in ball grinder, continues to be milled to and mix, obtain perovskite solar battery carbon to electrode.
Use the carbon of synthesis to the preparation of the perovskite solar cell of electrode: in conductive substrates, generate titanium dioxide dense layer, TiO 2 porous layer and perovskite light-absorption layer first successively, be placed in dry air, then the carbon that blade coating 5 μm is thick on perovskite light-absorption layer is to electrode, and be placed on and be heated to 50 DEG C on hot plate and be incubated 35min, namely can be assembled into perovskite solar cell.
At room temperature environment, use xenon lamp simulated solar irradiation, light intensity is 95.53mW/cm
2under (light intensity: use silicon photoelectric diode demarcate) condition, (effective illuminating area is 0.07cm to electrode perovskite solar cell to record the carbon of the present embodiment
2) short circuit current be 17.85mA/cm
2, open circuit voltage is 0.82V, and photoelectric conversion efficiency is 7.03%.
Embodiment 5: the percentage that carbon black weight accounts for carbon black and graphite total weight is 25%
Take the carbon black of 0.5g and the graphite (mass fraction that carbon black accounts for material with carbon element total weight is 25%) of 1.5g respectively, being mixed in 15g mass ratio is at normal temperatures in the isopropyl alcohol of 10:2 and the organic solvent of gamma-butyrolacton, continues stirring until and dissolves completely.Then get 0.4g ethyl cellulose and be made into aqueous isopropanol that mass fraction is the ethyl cellulose of 10% and dissolve, wherein the quality of isopropyl alcohol has comprised in organic solvent, continues stirring and makes it mix.Ethyl cellulose, as adhesion agent, makes material with carbon element form compact arranged laminated structure.By two kinds of solution mixing, and stirring 1 is little of evenly blended at normal temperatures.
To be mixed evenly after, the mixture obtained is poured in ball grinder, continues to be milled to and mix, obtain perovskite solar battery carbon to electrode.
Use the carbon of synthesis to the preparation of the perovskite solar cell of electrode: in conductive substrates, generate titanium dioxide dense layer, TiO 2 porous layer and perovskite light-absorption layer first successively, be placed in dry air, then the carbon that blade coating 5 μm is thick on perovskite light-absorption layer is to electrode, and be placed on and be heated to 60 DEG C on hot plate and be incubated 32min, namely can be assembled into perovskite solar cell.
At room temperature environment, use xenon lamp simulated solar irradiation, light intensity is 95.53mW/cm
2under (light intensity: use silicon photoelectric diode demarcate) condition, (effective illuminating area is 0.07cm to electrode perovskite solar cell to record the carbon of the present embodiment
2) short circuit current be 18.11mA/cm
2, open circuit voltage is 0.80V, and photoelectric conversion efficiency is 7.16%.
Embodiment 6: the percentage that carbon black weight accounts for carbon black and graphite total weight is 25%
Take the carbon black of 0.5g and the graphite (mass fraction that carbon black accounts for material with carbon element total weight is 25%) of 1.5g respectively, being mixed in 18g mass ratio is at normal temperatures in the isopropyl alcohol of 10:3 and the organic solvent of gamma-butyrolacton, continues stirring until and dissolves completely.Then get 0.2g ethyl cellulose and be made into aqueous isopropanol that mass fraction is the ethyl cellulose of 10% and dissolve, wherein the quality of isopropyl alcohol has comprised in organic solvent, continues stirring and makes it mix.Ethyl cellulose, as adhesion agent, makes material with carbon element form compact arranged laminated structure.By two kinds of solution mixing, and stirring 1 is little of evenly blended at normal temperatures.
To be mixed evenly after, the mixture obtained is poured in ball grinder, continues to be milled to and mix, obtain perovskite solar battery carbon to electrode.
Use the carbon of synthesis to the preparation of the perovskite solar cell of electrode: in conductive substrates, generate titanium dioxide dense layer, TiO 2 porous layer and perovskite light-absorption layer first successively, be placed in dry air, then the carbon that blade coating 5 μm is thick on perovskite light-absorption layer is to electrode, and be placed on and be heated to 70 DEG C on hot plate and be incubated 30min, namely can be assembled into perovskite solar cell.
At room temperature environment, use xenon lamp simulated solar irradiation, light intensity is 95.53mW/cm
2under (light intensity: use silicon photoelectric diode demarcate) condition, (effective illuminating area is 0.07cm to electrode perovskite solar cell to record the carbon of the present embodiment
2) short circuit current be 17.88mA/cm
2, open circuit voltage is 0.79V, and photoelectric conversion efficiency is 6.98%.
Embodiment 7: the percentage that carbon black weight accounts for carbon black and graphite total weight is 25%
Take the carbon black of 0.5g and the graphite (mass fraction that carbon black accounts for material with carbon element total weight is 25%) of 1.5g respectively, being mixed in 20g mass ratio is at normal temperatures in the isopropyl alcohol of 10:1 and the organic solvent of gamma-butyrolacton, continues stirring until and dissolves completely.Then get 0.5g ethyl cellulose and be made into aqueous isopropanol that mass fraction is the ethyl cellulose of 10% and dissolve, wherein the quality of isopropyl alcohol has comprised in organic solvent, continues stirring and makes it mix.Ethyl cellulose, as adhesion agent, makes material with carbon element form compact arranged laminated structure.By two kinds of solution mixing, and stirring 1 is little of evenly blended at normal temperatures.
To be mixed evenly after, the mixture obtained is poured in ball grinder, continues to be milled to and mix, obtain perovskite solar battery carbon to electrode.
Use the carbon of synthesis to the preparation of the perovskite solar cell of electrode: in conductive substrates, generate titanium dioxide dense layer, TiO 2 porous layer and perovskite light-absorption layer first successively, be placed in dry air, then the carbon that blade coating 5 μm is thick on perovskite light-absorption layer is to electrode, and be placed on and be heated to 65 DEG C on hot plate and be incubated 25min, namely can be assembled into perovskite solar cell.
At room temperature environment, use xenon lamp simulated solar irradiation, light intensity is 95.53mW/cm
2under (light intensity: use silicon photoelectric diode demarcate) condition, (effective illuminating area is 0.07cm to electrode perovskite solar cell to record the carbon of the present embodiment
2) short circuit current be 17.54mA/cm
2, open circuit voltage is 0.83V, and photoelectric conversion efficiency is 6.81%.
Comparative example 1: completely by graphite synthesize to electrode
It is, in the terpinol of 10:1 and the organic solvent of absolute ethyl alcohol, continue stirring until and dissolve completely that the graphite taking 2g is mixed in 12g mass ratio at normal temperatures.Then get 0.2g ethyl cellulose and be made into aqueous isopropanol that mass fraction is the ethyl cellulose of 10% and dissolve, wherein the quality of isopropyl alcohol has comprised in organic solvent, continues stirring and makes it mix.Ethyl cellulose, as adhesion agent, makes material with carbon element form compact arranged laminated structure.By two kinds of solution mixing, and stirring 1 is little of evenly blended at normal temperatures.
To be mixed evenly after, the mixture obtained is poured in ball grinder, continues to be milled to and mix, obtain perovskite solar battery carbon to electrode.
Use the carbon of synthesis to the preparation of the perovskite solar cell of electrode: in conductive substrates, generate titanium dioxide dense layer, TiO 2 porous layer and perovskite light-absorption layer first successively, be placed in dry air, then the carbon that blade coating 5 μm is thick on perovskite light-absorption layer is to electrode, and be placed on and be heated to 70 DEG C on hot plate and be incubated 30min, namely can be assembled into perovskite solar cell.
At room temperature environment, use xenon lamp simulated solar irradiation, light intensity is 95.53mW/cm
2under (light intensity: use silicon photoelectric diode demarcate) condition, (effective illuminating area is 0.07cm to electrode perovskite solar cell to record the carbon of the present embodiment
2) photoelectric conversion efficiency be 3.10%(open circuit voltage be 0.86V, short circuit current is 8.25mA/cm
2).
Comparative example 2: completely by carbon black synthesize to electrode
It is, in the terpinol of 10:1 and the organic solvent of absolute ethyl alcohol, continue stirring until and dissolve completely that the carbon black taking 2g is mixed in 12g mass ratio at normal temperatures.Then get 0.2g ethyl cellulose and be made into aqueous isopropanol that mass fraction is the ethyl cellulose of 10% and dissolve, wherein the quality of isopropyl alcohol has comprised in organic solvent, continues stirring and makes it mix.Ethyl cellulose, as adhesion agent, makes material with carbon element form compact arranged laminated structure.By two kinds of solution mixing, and stirring 1 is little of evenly blended at normal temperatures.
To be mixed evenly after, the mixture obtained is poured in ball grinder, continues to be milled to and mix, obtain perovskite solar battery carbon to electrode.
Use the carbon of synthesis to the preparation of the perovskite solar cell of electrode: in conductive substrates, generate titanium dioxide dense layer, TiO 2 porous layer and perovskite light-absorption layer first successively, be placed in dry air, then the carbon that blade coating 5 μm is thick on perovskite light-absorption layer is to electrode, and be placed on and be heated to 70 DEG C on hot plate and be incubated 30min, namely can be assembled into perovskite solar cell.
At room temperature environment, use xenon lamp simulated solar irradiation, light intensity is 95.53mW/cm
2under (light intensity: use silicon photoelectric diode demarcate) condition, (effective illuminating area is 0.07cm to electrode perovskite solar cell to record the carbon of the present embodiment
2) photoelectric conversion efficiency be 4.03%(open circuit voltage be 0.76V, short circuit current is 11.11mA/cm
2).
The perovskite solar cell utilizing above-described embodiment and comparative example to obtain measures circuit photocurrent density (short-circuitphotocurrentdensity, Jsc), open circuit voltage (opencircuitphotovoltage, Voc) and photoelectric conversion efficiency (η), and display in Table 1.
| Dyestuff | Jsc（mA/cm 2） | Voc（V） | η（%） |
| Embodiment 1 | 16.20 | 0.87 | 5.73 |
| Embodiment 2 | 18.40 | 0.81 | 7.29 |
| Embodiment 3 | 17.25 | 0.78 | 6.65 |
| Comparative example 1 | 8.25 | 0.86 | 3.10 |
| Comparative example 2 | 11.11 | 0.76 | 4.03 |
Analytical table 1 is known, in embodiment 2, it is 7.29% that the low temperature carbon of the material with carbon element synthesis of 25wt% carbon black demonstrates higher photoelectric conversion efficiency to the perovskite solar cell that electrode obtains, compared to complete by graphite synthesize to electrode or the electricity conversion to the perovskite solar cell that electrode obtains synthesized by carbon black completely, improve at least 80% respectively.And the electricity conversion obtained in embodiment 1 and embodiment 3 is also shown as 5.73% and 6.65% respectively, compared to complete by graphite synthesize to electrode or the electricity conversion to the perovskite solar cell that electrode obtains synthesized by carbon black completely, improve at least 40% respectively, and can confirm also to increase in whole efficiency.
It should be noted that; the foregoing is only preferred embodiment of the present invention; not thereby limit scope of patent protection of the present invention, those of ordinary skill in the art, to the conversion of any equivalence that technical solution of the present invention is taked, are claim of the present invention and contain.
Claims (6)
1. carbon is to an electrode, it is characterized in that, comprises following component: carbon black, graphite, ethyl cellulose and organic solvent, and described carbon black and graphite total weight are 10% ~ 20% of organic solvent weight; Described ethyl cellulose weight is 10 ~ 25% of carbon black and graphite total weight; Described organic solvent by isopropyl alcohol and gamma-butyrolacton in mass ratio 10:1 ~ 10:3 mix.
2. a kind of carbon as claimed in claim 1 is to electrode, it is characterized in that, carbon black+graphite: ethyl cellulose: organic solvent=2:0.2:12.
3. a kind of carbon as claimed in claim 1 is to electrode, it is characterized in that, the percentage that described carbon black weight accounts for carbon black and graphite total weight is 15% ~ 35%.
4. the carbon described in any one of claim 1-3, to a preparation method for electrode, is characterized in that, comprises the following steps:
1. take carbon black, graphite, ethyl cellulose, isopropyl alcohol and gamma-butyrolacton by weight, gamma-butyrolacton is mixed with isopropyl alcohol and is made into mixed liquor, carbon black and graphite to be dissolved in mixed liquor stirring and dissolving with obtained material with carbon element mixed liquor;
2. first ethyl cellulose isopropyl alcohol is dissolved, then join in the material with carbon element mixed liquor that 1. step obtain, make high molecular nanometer particles mixed liquor;
3. the high molecular nanometer particles mixed liquor of step 2. gained is stirred at 25 ~ 27 DEG C 0.5 ~ 2 little of mixing;
4. to be mixed evenly after, mixture step 3. obtained is poured in ball grinder, continues to be milled to mix, and obtains carbon to electrode.
5. use the carbon described in any one of claim 1-3 to a preparation method for the perovskite solar cell of electrode, it is characterized in that, comprise the following steps:
1. preliminary treatment: generate titanium dioxide dense layer, TiO 2 porous layer and perovskite light-absorption layer successively in conductive substrates, is then placed in dry air;
2. assemble: 1. to go up according to doctor blade process index blade coating carbon electrode in step, be then placed on and be heated to 50 ~ 70 DEG C on hot plate and be incubated 25 ~ 35min, namely can be assembled into perovskite solar cell.
6. the preparation method of perovskite solar cell as claimed in claim 5, it is characterized in that, described conductive substrates is the SnO of electro-conductive glass or metallic substrates or doped with fluorine
2transparent conducting glass.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107369770A (en) * | 2017-07-14 | 2017-11-21 | 南京航空航天大学 | A kind of preparation method of cryogenic carbon based perovskite carbon electrode layer used for solar batteries |
| CN107845440A (en) * | 2017-11-06 | 2018-03-27 | 西安交通大学 | Weak corrosion carbon slurry, perovskite solar cell and preparation method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103956392A (en) * | 2014-02-13 | 2014-07-30 | 大连七色光太阳能科技开发有限公司 | Perovskite-type battery based on carbon counter electrode and preparation method thereof |
| CN103956407A (en) * | 2014-04-23 | 2014-07-30 | 中国科学院物理研究所 | Method for manufacturing perovskite-based thin film solar cell and ink-jet printer |
| CN104409134A (en) * | 2014-11-14 | 2015-03-11 | 厦门惟华光能有限公司 | Composite carbon electrode for solar cell and preparation method thereof |
| US20150255186A1 (en) * | 2014-03-06 | 2015-09-10 | Panasonic Intellectual Property Management Co., Ltd. | Base material with a transparent conductive film, method for manufacturing the same, touch panel, and solar cell |
| CN104966548A (en) * | 2015-06-02 | 2015-10-07 | 华中科技大学 | Perovskite solar cell conductive carbon paste, carbon counter electrode, cell and method of manufacturing the conductive carbon paste |
| CN105140419A (en) * | 2015-07-03 | 2015-12-09 | 北京大学 | Quick film forming method based on low-concentration organic-inorganic hybrid perovskite solution |
-
2016
- 2016-01-25 CN CN201610046855.7A patent/CN105551572A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103956392A (en) * | 2014-02-13 | 2014-07-30 | 大连七色光太阳能科技开发有限公司 | Perovskite-type battery based on carbon counter electrode and preparation method thereof |
| US20150255186A1 (en) * | 2014-03-06 | 2015-09-10 | Panasonic Intellectual Property Management Co., Ltd. | Base material with a transparent conductive film, method for manufacturing the same, touch panel, and solar cell |
| CN103956407A (en) * | 2014-04-23 | 2014-07-30 | 中国科学院物理研究所 | Method for manufacturing perovskite-based thin film solar cell and ink-jet printer |
| CN104409134A (en) * | 2014-11-14 | 2015-03-11 | 厦门惟华光能有限公司 | Composite carbon electrode for solar cell and preparation method thereof |
| CN104966548A (en) * | 2015-06-02 | 2015-10-07 | 华中科技大学 | Perovskite solar cell conductive carbon paste, carbon counter electrode, cell and method of manufacturing the conductive carbon paste |
| CN105140419A (en) * | 2015-07-03 | 2015-12-09 | 北京大学 | Quick film forming method based on low-concentration organic-inorganic hybrid perovskite solution |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107369770A (en) * | 2017-07-14 | 2017-11-21 | 南京航空航天大学 | A kind of preparation method of cryogenic carbon based perovskite carbon electrode layer used for solar batteries |
| CN107369770B (en) * | 2017-07-14 | 2020-01-21 | 南京航空航天大学 | Preparation method of carbon electrode layer for low-temperature carbon-based perovskite solar cell |
| CN107845440A (en) * | 2017-11-06 | 2018-03-27 | 西安交通大学 | Weak corrosion carbon slurry, perovskite solar cell and preparation method thereof |
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