CN103682105A - Composite anode buffer layer, polymer solar cell and preparation methods of composite anode buffer layer and polymer solar cell - Google Patents
Composite anode buffer layer, polymer solar cell and preparation methods of composite anode buffer layer and polymer solar cell Download PDFInfo
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Abstract
The invention relates to a composite anode buffer layer material, a polymer solar cell and preparation methods of the composite anode buffer layer material and the polymer solar cell, in particular to a composite anode buffer layer and a preparation method thereof. The composite anode buffer layer comprises a GO (graphene oxide) layer and a surface modifier TSA (p-toluene sulfonic acid) layer. The invention further relates to the polymer solar cell comprising the composite anode buffer layer and the preparation method of the polymer solar cell. The GO/TSA composite anode buffer layer has fine light transmission and carrier mobility, and is low in cost and simple in preparation process. In addition, the energy conversion efficiency of the polymer solar cell comprising the composite anode buffer layer is equivalent to or better than the efficiency of a cell comprising currently common PEDOT:PSS (poly (3,4-ethylenedioxythiophene): poly (styrene sulfonate)) serving as an anode buffer layer.
Description
Technical field
The present invention relates to area of solar cell, more particularly, relate to a kind of composite anode resilient coating, polymer solar battery and their preparation method.
Background technology
Along with science and technology with rapid changepl. never-ending changes and improvements develop, mechanization, electronization have replaced manual work gradually, however the productivity improving has gradually been brought new problem: energy shortage.The development and utilization of new forms of energy becomes one of most important problem in human development history.Solar energy has aboundresources, clean environment firendly and the outstanding advantages such as inexhaustible, so solar energy becomes the optimal selection of the regenerative resource that substitutes traditional energy.
Polymer solar battery (polymer solar cell, PSC) with low cost owing to having, preparation technology is simple, low energy consumption, and can be made into the advantages such as flexible device becomes the third generation solar cell after crystal silicon battery, semiconductor compound thin film battery.Nineteen fifty-nine, first organic solar batteries comes out, and Kallmamm et al. has prepared light active material anthracene is clipped in to two individual layer batteries between electrode, and has obtained the open circuit voltage of 200mV, opened organic solar batteries research.Within 1986, doctor Deng Qingyun has developed double layer heterojunction organic solar batteries; using perylene tetracarboxylic acid derivative and copper phthalocyanine as light active material, the battery of this new construction has obtained approximately 1% energy conversion efficiency, and the interfacial property that has disclosed two kinds of organic materials has a material impact effect to cell photovoltaic characteristic.Along with the fast development of relevant photovoltaic materials and devices technique in recent years, the energy conversion efficiency of the bulk-heterojunction polymer solar battery of solution processable has reached 10.6% at present.
Yet, for polymer solar battery, further improve energy conversion efficiency, there are several key issues to still have to be solved.For example, in polymer solar cell device, all directly contact to body with acceptor with electrode, this has caused the generation of the compound and leakage current of charge carrier.Research finds that the anode buffer layer at the upper deposition of transparent conductive anode (ITO) one deck with block electrons and transporting holes effect can make above-mentioned unfavorable factor minimize.Anode buffer layer is generally the p-type semi-conducting material having compared with large band gap, V
2o
5and MoO
3etc. inorganic material, it is all good anode buffer layer material.Yet inorganic anode buffer layer need to adopt the preparation of vacuum-deposited method, and this method needs strict preparation technology and high preparation cost, simultaneously also with polymer solar battery can solution preparation, printable advantage contradicts.
In polymer solar battery, the most conventional anode buffer layer material is organic semiconducting materials PEDOT:PSS (poly-(3 at present, 4-vinyl dioxy thiophene): poly-(styrene sulfonate)), it can be prepared by solwution method, and can effectively reduce ITO surface roughness, P3HT and ITO are more mated, thereby more effectively collect hole.Yet PEDOT:PSS is dispersed in the aqueous solution of pH～1, its disadvantage as anode buffer layer is that its aqueous solution is acidity and easily ITO is caused to corrosion, but also easily makes water be diffused in active layer through it, thereby causes the decay of the efficiency of device.
Therefore, developing the Novel anode cushioning layer material that substitutes PEDOT:PSS has great importance for the commercialization of polymer solar battery.
Summary of the invention
Given this, the present inventor finds: Graphene, owing to having excellent electricity, calorifics and mechanical property, can obtain extensive use in fields such as high-performance nanometer electronic device, composite material, field emmision material, gas sensor and stored energies; And graphene oxide (GO) is a kind of functionalization graphene that contains the oxide groups such as epoxy radicals, hydroxyl, carboxyl, be easy to prepare in a large number by chemical method, there is good optics, electricity and mechanical property.Therefore, by forming GO/ surface modifier composite anode resilient coating at the suitable surface modifier of GO surface-coated one deck, its can substitute PEDOT:PSS as anode buffer layer for solar cell.Based on this, find, formed the present invention.
Therefore, an object of the present invention is to provide the composite anode resilient coating of a kind of alternative PEDOT:PSS, and by using such compound buffer layer, provide a kind of low cost, high efficiency and/or preparation technology simple polymer solar battery.
On the one hand, the invention provides a kind of composite anode resilient coating, it is characterized in that, described composite anode resilient coating consists of GO layer and the TSA layer being coated on described GO layer, and wherein GO represents graphene oxide, TSA presentation surface modifier p-methyl benzenesulfonic acid.
On the other hand, the invention provides a kind of method for the preparation of above-mentioned composite anode resilient coating, described method comprises:
By the solution of GO being coated on transparent conductive anode and the dry GO layer with formation film-form; Then the solution of TSA is coated on described GO layer to form TSA layer, thereby obtains the composite anode resilient coating that formed by described GO layer and described TSA layer.
In a preferred implementation, the solution of described GO is the aqueous solution of GO, and described TSA solution is the ethanolic solution of TSA.
On the other hand, the invention provides a kind of polymer solar battery, described polymer solar battery comprises:
Transparent conductive anode;
Be arranged on the composite anode resilient coating on described transparent conductive anode;
Be arranged on the photoactive layer on described composite anode resilient coating; And
Be arranged on the negative electrode on described photoactive layer,
It is characterized in that, described composite anode resilient coating consists of GO layer and the TSA layer being coated on described GO layer, and wherein GO represents graphene oxide, TSA presentation surface modifier p-methyl benzenesulfonic acid.
In a preferred implementation, described photoactive layer consists of the mixture that gathers (3-hexyl thiophene) and 6,6-phenyl carbons, 61 methyl butyrates.
In a preferred implementation, the thickness of described photoactive layer is 80～100nm.
In a preferred implementation, described transparent conductive anode consists of tin indium oxide, and described negative electrode consists of metallic aluminium or calcium.
On the other hand, the invention provides a kind of method for the preparation of above-mentioned polymer solar battery, described method comprises:
Transparent conductive anode is provided,
On described transparent conductive anode, apply the solution of GO and be dried to form GO layer, then on described GO layer, apply the solution of TSA to form TSA layer, thereby form the composite anode resilient coating being formed by described GO layer and described TSA layer on described transparent conductive anode;
On described composite anode resilient coating, form photoactive layer; And
On described photoactive layer, form negative electrode, thereby obtain described polymer solar battery.
In a preferred implementation, described GO solution is the aqueous solution of GO, and the solution of described TSA is the ethanolic solution of TSA.
In a preferred implementation, described photoactive layer by applying poly-(3-hexyl thiophene) and 6 on described composite anode resilient coating, chlorobenzene, o-dichlorohenzene or the chloroformic solution of the mixture of 6-phenyl carbons 61 methyl butyrates and forming, by evaporation on described photoactive layer or deposition, the metal as negative electrode forms described negative electrode.
By apply one deck on graphene oxide GO layer surface, suitable surface modifier p-methyl benzenesulfonic acid TSA layer forms GO/TSA composite anode resilient coating in the present invention, using that it prepares polymer solar battery as anode buffer layer, can play the effect that substitutes existing PEDOT:PSS anode buffer layer.Consider the advantages such as graphene oxide material source is extensive, cheap, preparation technology is simple, add TSA material price cheap, and the GO/TSA composite anode resilient coating of preparing by the inventive method has good light transmission and carrier mobility, as composite anode resilient coating, not only cost is low for it, technique is simple, and has overcome the solution that PEDOT:PSS anode buffer layer uses and be the acid shortcoming easily electrode being damaged.In addition, use the such composite anode resilient coating of the present invention polymer solar battery energy conversion efficiency and the battery efficiency of using PEDOT:PSS quite or better.
Accompanying drawing explanation
Fig. 1 is according to the schematic diagram of the polymer solar battery structure of one embodiment of the present invention.
The volt-ampere characteristic that Fig. 2 is the polymer solar battery prepared according to embodiments of the invention and comparative example.
Embodiment
The polymer solar battery that the invention provides a kind of novel composite anode resilient coating and comprise this composite anode resilient coating, and their preparation method.More specifically, composite anode resilient coating of the present invention can be by being prepared as follows: on transparent conductive anode, apply solution (aqueous solution or the N of preferred GO of (for example, by spin coating or dipping) GO, dinethylformamide solution) and dry (for example in air air-dry or in panel heater heating, drying) to form the GO layer of form of film, then on this GO layer, apply the solution (ethanolic solution of preferred TSA of (for example, by spin coating or dipping) TSA, but also can use the propyl alcohol of TSA or aqueous isopropanol etc.), thereby can obtain the required composite anode resilient coating being formed by GO layer and TSA layer.Formed composite anode resilient coating can easily obtain by for example peeling off from substrate.Polymer solar battery of the present invention for example can be by being prepared as follows: on transparent conductive anode, by the solution that applies the solution of spin coating GO for example and apply TSA after dry, form the GO/TSA composite anode resilient coating being comprised of GO layer and TSA layer; On described GO/TSA anode buffer layer, apply the solution (for example chlorobenzene, o-dichlorohenzene or chloroformic solution) of the mixture (P3HT:PCBM) that for example gathers (3-hexyl thiophene) and 6,6-phenyl carbons, 61 methyl butyrates and obtain photoactive layer; On described photoactive layer, by deposition or evaporation, for the metal of negative electrode, prepare cathode layer, thereby obtain required polymer solar battery.
Describe the present invention with reference to the accompanying drawings.Should be appreciated that such description is only for illustrating object of the present invention, and be not used in restriction.
In one embodiment, as shown in Figure 1, it comprises the structure of a kind of polymer solar battery provided by the invention: transparent conductive anode 4; Be arranged on the composite anode resilient coating 3 on transparent conductive anode 4; Be arranged on the photoactive layer 2 on composite anode resilient coating 3; And be arranged on the negative electrode 1 on photoactive layer 2, wherein composite anode resilient coating 3 is by graphene oxide (GO) layer and forms p-methyl benzenesulfonic acid (TSA) layer formation thereon.
In a preferred embodiment of the present invention, transparent conductive anode 4 is for example tin indium oxide (ITO) of metal oxide; Photoactive layer 2 is preferably poly-(3-hexyl thiophene): for example chlorobenzene, o-dichlorohenzene or the chloroformic solution of 6,6-phenyl carbons, 61 methyl butyrate mixtures (P3HT:PCBM); Negative electrode 1 is preferably by metallic aluminium or calcium and forms.
In an embodiment, on described transparent conductive anode ITO, for example, by applying (spin coating or dipping), form GO/TSA composite anode resilient coating, on described GO/TSA composite anode resilient coating, apply for example poly-(3-hexyl thiophene): 6, the solution of the mixture (P3HT:PCBM) of 6-phenyl carbons 61 methyl butyrates is chlorobenzene solution for example, obtains photoactive layer.Preferably, in the solution of described mixture, the mass percent concentration of described poly-(3-hexyl thiophene) solution (P3HT) is preferably 1～2%, and more preferably 1～1.5%, most preferably be 1%.Described 6, the mass percent concentration of the solution of 6-phenyl carbons 61 methyl butyrates (PCBM) is preferably 0.5～2%, and more preferably 0.7～1.5%, most preferably be 0.8%.Preferably, by mixing described poly-(3-hexyl thiophene) chlorobenzene solution and described 6 (P3HT), the chlorobenzene solution of 6-phenyl carbons 61 methyl butyrates (PCBM) forms the solution of their mixture, the volume ratio of the two is preferably 0.8～1.2: 0.8～1.2, more preferably 0.9～1.1: 0.9～0.1, most preferably be 1: 1.Finally, on described photoactive layer, form cathode layer, thereby obtain polymer solar battery.
In another concrete execution mode, described transparent conductive anode is metal oxide, is preferably tin indium oxide (ITO), and described photoactive layer is preferably poly-(3-hexyl thiophene): 6,6-phenyl carbons 61 methyl butyrate mixtures, described cathode layer is preferably by metallic aluminium and forms.
Preferably, in a specific embodiment of the present invention, described GO/TSA composite anode resilient coating can be prepared as follows:
Using the transparent conductive anode as substrate for example strip ITO with suitable solvent, clean and dry as acetone;
Described transparent conductive anode is placed on the bracket of spin coater, preferably, for guaranteeing the planarization of film, the aqueous solution of GO is processed in ultrasonic dispersion machine approximately 5～15 minutes, then the aqueous solution of GO is evenly coated on whole transparent conductive anode, drier (for example in air air-dry or in panel heater heating, drying) make to form on transparent conductive anode one deck GO film.Preferably, in the aqueous solution of the GO of use, the concentration of GO can be 0.2mg/ml～2mg/ml, is preferably 0.2mg/ml～1mg/ml, more preferably 0.5mg/ml.
Then, by the solution of TSA for example the ethanolic solution of TSA be spin-coated on described GO film, make to form on GO film one deck TSA film, preferably after air drying, thereby obtain GO/TSA composite anode resilient coating.Preferably, the concentration of the ethanolic solution of the TSA of use can be 0.2～2mg/ml, is preferably 1mg/ml.
Although be not particularly limited for the GO layer of GO/TSA composite anode resilient coating of the present invention and the thickness of TSA layer, but in practice preferably, in formed composite anode resilient coating, the thickness of GO layer is preferably 2-20nm, and the thickness of TSA layer is preferably 1-10nm.
In a preferred embodiment of the present invention, thus on photoactive layer, forming the concrete operations that cathode layer obtains polymer solar battery can be:
To for example with the transparent conductive anode of composite anode resilient coating and photoactive layer, put into AM aluminum metallization electrode in vacuum coating equipment, the thickness of this aluminium electrode is preferably 80～120nm; By evaporation the device of aluminium electrode transfer on the panel heater in glove box, preferred annealing in process 8～15 minutes at 120～160 ℃, cooling rear encapsulation, obtains polymer solar battery.
In the present invention, as poly-(the 3-hexyl thiophene) of raw material, (P3HT) can adopt the product that the model of being produced by Luminescence Technology Corp is LT-S909, and 6,6-phenyl carbons, 61 methyl butyrates (PCBM) can adopt the product of being produced by Nichem company.Graphene oxide (GO) can adopt the product that utilizes Nano graphite powder to prepare by Hummer method, and p-methyl benzenesulfonic acid (TSA) can adopt the product by Chemical Reagent Co., Ltd., Sinopharm Group.
Polymer solar battery prepared by the present invention is at AM1.5,100mW/cm
2xenon lamp solar simulator (Oriel Sol3A) light source under test, the battery performance parameter under illumination (comprising open circuit voltage, short circuit current, energy conversion efficiency and fill factor, curve factor) all obtains from Keithley2400 digital sourcemeter test.From test result, can find out, composite anode resilient coating of the present invention has good electric conductivity; Polymer solar battery based on this composite anode resilient coating has higher density of photocurrent and energy conversion efficiency.
In order to further illustrate technical scheme of the present invention, below in conjunction with embodiment, the preferred embodiment of the invention is described, but should be appreciated that these embodiment are only for further concrete example explanation the features and advantages of the present invention, and do not limit the scope of the invention.
the preparation of GO/TSA composite anode resilient coating:
First will as the strip ITO of transparent conductive anode, make the size that 15mm is wide, 15mm is long, use successively ITO washing lotion, water, acetone and isopropyl alcohol ultrasonic cleaning clean and in vacuum drying chamber 60.C is dried.
Ito anode after clean is placed on the bracket of (KW-4A) on spin coater as substrate, and the GO aqueous solution through ultrasonic dispersion is evenly filled to whole substrate, and the concentration of the GO aqueous solution is 0.5mg/ml.By controlling the rotating speed of sol evenning machine, be 3000 revs/min, the spin coating time is 1 minute, forms thus the GO film (the about 10nm of thickness) of even thickness.After spin coating is complete, heat 30 minutes being placed on the panel heater of 120 ℃.
On above-mentioned GO film, continue the ethanolic solution (concentration is 1mg/ml) of spin coating p-methyl benzenesulfonic acid (TSA), by controlling sol evenning machine (KW-4A) rotating speed, it is 3000 revs/min, the spin coating time is 1 minute, make to form on GO film one deck p-methyl benzenesulfonic acid film (the about 5nm of thickness), thereby on transparent conductive anode, form GO/TSA composite anode resilient coating.
the preparation of the polymer solar battery based on GO/TSA composite anode resilient coating of the present invention
and performance evaluation:
Poly-(3-hexyl thiophene) as electron donor material (P3HT) is made into mass concentration is 1.0% chlorobenzene solution, will be as electron acceptor material C
606 of derivative, it is 0.8% chlorobenzene solution that 6-phenyl carbons 61-2-butyric acid formicester (PCBM) is made into mass percent concentration, then both are mixed by equal-volume, stirs and obtains mixed solution.
The ito anode that is coated with GO/TSA composite anode resilient coating obtaining in embodiment 1 is placed on the pallet of spin coater (KW-4A), again by above-mentioned poly-(the 3-hexyl thiophene) that stirs and obtain: 6, after the chlorobenzene solution of 6-phenyl carbons 61 methyl butyrate mixtures ((P3HT): (PCBM)) is filtered, evenly fill whole GO/TSA composite anode buffer-layer surface, control spin coater rotating speed and time chien shih mixture at GO/TSA composite anode buffer-layer surface, form the thick P3HT:PCBM film of the about 80nm of one deck, at composite anode resilient coating, form thus the photoactive layer of polymer solar battery,
Finally the substrate that scribbles the optical activity layer of polymer solar cell of P3HT:PCBM film is put in vacuum coating equipment (Shanghai Tian Jing, model is DM220) 2 * 10
-3aM aluminum metallization electrode under Pa vacuum degree, the thickness of aluminium electrode is about 100nm, and battery effective area is 10mm
2, making the polymer solar battery that structure is ITO/GO/TSA/P3HT:PCBM/Al, the device after the complete aluminium electrode of evaporation is transferred on glove box heating plate, and at 135 ℃, thermal anneal process is 10 minutes.After being cooled to room temperature, be encapsulated, obtain polymer solar battery.Polymer solar battery prepared by the present embodiment is at 100mW/cm
2performance parameter under xenon lamp irradiates is as shown in table 1 and Fig. 2.
Comparative example 1
the preparation and property of the polymer solar battery based on conventional anode resilient coating PEDOT:PSS
evaluate:
First the strip ITO as transparent conductive anode is made to the size that 15mm is wide, 15mm is long, use successively ITO washing lotion, water, acetone and isopropyl alcohol ultrasonic cleaning totally and 60 ℃ of oven dry in vacuum drying chamber;
Clean ito anode is placed on the bracket of spin coater (KW-4A), the PEDOT:PSS aqueous solution that is Baytron P by the model of the H.C.Starck company after filtering with 0.45 μ m filter membrane evenly fills whole ITO substrate, and in the aqueous solution of PEDOT:PSS, the weight ratio of PEDOT and PSS is 1: 2.5.By controlling spin coater rotating speed, be 1000 revs/min, deposit the uniform PEDOT:PSS film of a layer thickness (the about 35nm of thickness) on substrate, the painting time is 1 minute, and the baking oven of putting into again 120 ℃ after spin coating is complete heats 30 minutes.Obtain thus PEDOT:PSS anode buffer layer.
Poly-(3-hexyl thiophene) as electron donor material (P3HT) is made into mass concentration is 1% chlorobenzene solution, will be as electron acceptor material C
606 of derivative, it is 0.8% chlorobenzene solution that 6-phenyl carbons 61-2-butyric acid formicester (PCBM) is made into mass percent concentration, then both are mixed by equal-volume, stirs and obtains mixed solution;
The ito anode of the above-mentioned PEDOT:PSS of having film is placed on the pallet of spin coater (KW-4A), again by poly-(the 3-hexyl thiophene) that mix: 6, the chlorobenzene solution of 6-phenyl carbons 61 methyl butyrate mixtures (P3HT:PCBM) is filtered the rear whole PEDOT:PSS film surface that evenly fills, control rotating speed and time chien shih described in mixture at PEDOT:PSS film surface, form the thick P3HT:PCBM film of the about 80nm of one deck, obtain thus the photoactive layer of polymer solar battery;
Finally the substrate that scribbles the optical activity layer of polymer solar cell of P3HT:PCBM film is put in vacuum coating equipment (Shanghai Tian Jing, model is DM220) 2 * 10
-3aM aluminum metallization electrode under Pa vacuum degree, the thickness of aluminium electrode is about 100nm, and battery effective area is 10mm
2, make the polymer solar battery that structure is ITO/PEDOT:PSS/P3HT:PCBM/Al, the device after the complete aluminium electrode of evaporation is transferred on glove box heating plate, and at 135 ℃, thermal anneal process is 10 minutes.After being cooled to room temperature, be encapsulated, obtain polymer solar battery.
Comparative example 1 is mainly with the difference of embodiment 2, and the anode buffer layer of prepared solar cell is different, and what in embodiment 2, use is GO/TSA composite anode resilient coating, and that in comparative example 1, use is traditional anode buffer layer PEDOT:PSS.The polymer solar battery of this comparative example 1 preparation is at 100mW/cm
2performance parameter under xenon lamp irradiates is as shown in table 1 and Fig. 2.
Comparative example 2
the preparation and property that is only the polymer solar battery of GO film based on anode buffer layer is commented
valency:
First will as the strip ITO of transparent conductive anode, make the size that 15mm is wide, 15mm is long, use successively ITO washing lotion, water, acetone and isopropyl alcohol ultrasonic cleaning clean and in vacuum drying chamber 60.C is dried;
Clean ito anode is placed on the bracket of spin coater (KW-4A), the aqueous solution of the GO through ultrasonic dispersion is evenly filled to whole ito anode, the concentration of the aqueous solution of GO is 0.5mg/ml.By controlling the rotating speed of sol evenning machine, be 3000 revs/min, the spin coating time is 1 minute, forms the uniform GO film of a layer thickness (the about 10nm of thickness) on ito anode.After spin coating is complete, it is heat treatment 30 minutes on the panel heater of 120 ℃ that the transparent conductive anode that is coated with GO film is positioned over to temperature.
Poly-(3-hexyl thiophene) as electron donor material (P3HT) is made into mass concentration is 1% chlorobenzene solution, will be as electron acceptor material C
606 of derivative, it is 0.8% chlorobenzene solution that 6-phenyl carbons 61-2-butyric acid formicester (PCBM) is made into mass percent concentration, then both are mixed by equal-volume, stirs and obtains mixed solution;
The ito anode of the above-mentioned GO of having film is placed on the pallet of spin coater (KW-4A), again by poly-(the 3-hexyl thiophene) that mix (P3HT): 6, the chlorobenzene solution of 6-phenyl carbons 61 methyl butyrates (PCBM) mixture is filtered the rear GO film surface that evenly fills, control rotating speed and time chien shih mixture on GO film surface, form the P3HT:PCBM film that the about 80nm of one deck is thick, obtain thus the photoactive layer of polymer solar battery;
Finally the substrate that scribbles the optical activity layer of polymer solar cell of P3HT:PCBM film is put in vacuum coating equipment (Shanghai Tian Jing, model is DM220) to 2 * 10
-3aM aluminum metallization electrode under Pa vacuum degree, the thickness of aluminium electrode is about 100nm, and battery effective area is 10mm
2, make the polymer solar battery that structure is ITO/PEDOT:PSS/P3HT:PCBM/Al.Device after the complete aluminium electrode of evaporation is transferred on glove box heating plate, and at 135 ℃, thermal anneal process is 10 minutes.After being cooled to room temperature, be encapsulated, obtain polymer solar battery.
This comparative example 2 is with the main distinction of embodiment 2, the anode buffer layer difference of prepared solar cell, and what in embodiment 2, use is GO/TSA composite anode resilient coating, and in comparative example 2, only uses GO film as anode buffer layer.The polymer solar battery of this comparative example 2 preparations is at 100mW/cm
2performance parameter under xenon lamp irradiates is as shown in table 1 and Fig. 2.
The performance parameter of polymer solar battery prepared by table 1: embodiment 2 and comparative example 1-2
Result from above-mentioned table 1 and Fig. 2 can be found out, the polymer solar battery that the GO/TSA composite anode resilient coating of the present invention of take is prepared as resilient coating, its energy conversion efficiency is equal or higher with the battery of the same type that is anode buffer layer with PEDOT:PSS, therefore can play the effect that substitutes PEDOT:PSS.
In addition, the GO/TSA composite anode resilient coating of preparing by the present invention has good light transmission and carrier mobility, the battery efficiency of the same type that it is anode buffer layer that its energy conversion efficiency of the polymer solar battery of preparing as anode buffer layer is better than with PEDOT:PSS.
Above-mentioned explanation to the disclosed embodiments, makes professional and technical personnel in the field can realize or use the present invention.To the multiple modification of these embodiment, will be apparent for those skilled in the art, General Principle as defined herein can not depart from the spirit or scope of the present invention situation, realizes in other embodiments.Therefore the present invention will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. a composite anode resilient coating, is characterized in that, described composite anode resilient coating consists of GO layer and the TSA layer being coated on described GO layer, and wherein GO represents graphene oxide, TSA presentation surface modifier p-methyl benzenesulfonic acid.
2. for the preparation of according to a method for the composite anode resilient coating described in claim 1, described method comprises:
By the solution of GO being coated on transparent conductive anode and the dry GO layer with formation film-form; Then the solution of TSA is coated on described GO layer to form TSA layer, thereby obtains the composite anode resilient coating that formed by described GO layer and described TSA layer.
3. method according to claim 2, is characterized in that, the solution of described GO is the aqueous solution of GO, and described TSA solution is the ethanolic solution of TSA.
4. a polymer solar battery, described polymer solar battery comprises:
Transparent conductive anode;
Be arranged on the composite anode resilient coating on described transparent conductive anode;
Be arranged on the photoactive layer on described composite anode resilient coating; And
Be arranged on the negative electrode on described photoactive layer,
It is characterized in that, described composite anode resilient coating consists of GO layer and the TSA layer being coated on described GO layer, and wherein GO represents graphene oxide, TSA presentation surface modifier p-methyl benzenesulfonic acid.
5. polymer solar battery according to claim 4, is characterized in that, described photoactive layer consists of the mixture that gathers (3-hexyl thiophene) and 6,6-phenyl carbons, 61 methyl butyrates.
6. polymer solar battery according to claim 5, is characterized in that, the thickness of described photoactive layer is 80～100nm.
7. polymer solar battery according to claim 4, is characterized in that, described transparent conductive anode consists of tin indium oxide, and described negative electrode consists of metallic aluminium or calcium.
8. for the preparation of according to a method for the polymer solar battery described in any one in claim 4-7, described method comprises:
Transparent conductive anode is provided,
On described transparent conductive anode, apply the solution of GO and be dried to form GO layer, then on described GO layer, apply the solution of TSA to form TSA layer, thereby form the composite anode resilient coating being formed by described GO layer and described TSA layer on described transparent conductive anode;
On described composite anode resilient coating, form photoactive layer; And
On described photoactive layer, form negative electrode, thereby obtain described polymer solar battery.
9. method according to claim 8, is characterized in that, described GO solution is the aqueous solution of GO, and the solution of described TSA is the ethanolic solution of TSA.
10. method according to claim 8, it is characterized in that, described photoactive layer by applying poly-(3-hexyl thiophene) and 6 on described composite anode resilient coating, chlorobenzene, o-dichlorohenzene or the chloroformic solution of the mixture of 6-phenyl carbons 61 methyl butyrates and forming, by evaporation on described photoactive layer or deposition, the metal as negative electrode forms described negative electrode.
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| CN105810818A (en) * | 2016-05-20 | 2016-07-27 | 苏州大学 | Copper chloride-graphene oxide compound-based positive electrode buffer layer material and preparation method and application thereof |
| CN106450006A (en) * | 2016-11-16 | 2017-02-22 | 华中科技大学 | Production method of thin-film solar cell |
| CN109267088A (en) * | 2018-09-05 | 2019-01-25 | 湖南中茂生物科技有限公司 | A kind of method of dihydromyricetin dehydrogenation |
| CN110203916A (en) * | 2019-05-15 | 2019-09-06 | 华东理工大学 | A method of flexible extensible device is prepared based on graphene composite material |
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| CN105261704A (en) * | 2015-11-26 | 2016-01-20 | 电子科技大学 | High-stability organic film solar cell coated by carbon skeleton, and method for preparing the same |
| CN105261704B (en) * | 2015-11-26 | 2018-06-15 | 电子科技大学 | The preparation method of the high stability organic thin film solar cell of carbon skeleton cladding |
| CN105810818A (en) * | 2016-05-20 | 2016-07-27 | 苏州大学 | Copper chloride-graphene oxide compound-based positive electrode buffer layer material and preparation method and application thereof |
| CN105810818B (en) * | 2016-05-20 | 2018-08-24 | 苏州大学 | A kind of anode buffer layer material and its preparation method and application based on copper chloride-graphene oxide compound |
| CN106450006A (en) * | 2016-11-16 | 2017-02-22 | 华中科技大学 | Production method of thin-film solar cell |
| CN109267088A (en) * | 2018-09-05 | 2019-01-25 | 湖南中茂生物科技有限公司 | A kind of method of dihydromyricetin dehydrogenation |
| CN110203916A (en) * | 2019-05-15 | 2019-09-06 | 华东理工大学 | A method of flexible extensible device is prepared based on graphene composite material |
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