CN102810642A - Polymer solar cell and preparation method thereof - Google Patents
Polymer solar cell and preparation method thereof Download PDFInfo
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Abstract
The invention belongs to the field of electrochemistry and discloses a polymer solar cell in a layered structure. The layered structure sequentially comprises an anode substrate, a hole buffer layer, an active layer, an electron transmission layer, an electron buffer layer and a cathode layer. By the aid of the electron transmission layer coated on the active layer by means of evaporation, electron transmission rate can be increased. In addition, the distance between the active layer and the anode layer can be increased to avoid active layer exciton and cathode quenching emission, and finally photoelectric conversion efficiency of solar energy can be evidently improved.
Description
Technical field
The present invention relates to electrochemical field, relate in particular to a kind of polymer solar battery and preparation method thereof.
Background technology
Nineteen eighty-two, Weinberger etc. have studied the photovoltaic character of polyacetylene, and produce first and had solar cell truly, but photoelectric conversion efficiency extremely low (10 at that time
-3%).And then, Glenis etc. have made the solar cell of various polythiophenes, and the problem that all faced at that time is extremely low open circuit voltage and photoelectric conversion efficiency.Up to 1986, C.W.Tang etc. were incorporated into p N-type semiconductor N and n N-type semiconductor N in the double-deck device first, just make photoelectric current obtain the raising of very big degree, were milestone with this work from then on, and organic polymer solar cell is flourish.
Sariciftci in 1992 etc. find 2-methoxyl group-5-(2-ethyl-own oxygen base)-1; Exist quick optical to induce the electron transfer phenomenon in 4-benzene second (MEH-PPV) and the compound system; Caused people's very big interest; And in nineteen ninety-five, usefulness MEH-PPV such as Yu mix as active layer with C60 derivative PCBM and have prepared organic polymer bulk heterojunction solar cell.Device is at 20mW/cm
2Under the monochromatic light irradiation of 430nm, energy conversion efficiency is 2.9%.This is first body heterojunction solar cell based on polymeric material and the preparation of PCBM acceptor, and has proposed the notion of inierpeneirating network structure in the composite membrane.So far, the application of body heterojunction structure in polymer solar battery obtained development rapidly.This structure also becomes the organic polymer solar cell structure that present people generally adopt.
The operation principle of polymer solar battery mainly is divided into four parts: the formation of (1) optical excitation and exciton; (2) diffusion of exciton; (3) division of exciton; (4) transmission of electric charge and collection.At first, conjugated polymer absorbs photon under the incident light irradiation, and electronics transits to lowest unoccupied molecular orbital (LUMO) from polymer highest occupied molecular orbital (HOMO); Form exciton; Exciton is diffused under the effect of internal electric field to body/acceptor and separates into electronics and the hole that moves freely at the interface, and electronics transmits and collected by negative electrode in mutually at acceptor then, and the hole is then through giving the body phase and being collected by anode; Thereby the generation photoelectric current, this has just formed an effective photoelectric conversion process.
Common structural is at present: ito anode/hole resilient coating/active layer/electron buffer layer/negative electrode.This structure is because the general active metal of adopting low work content of negative electrode; Therefore, easily and the oxygen in the atmosphere react, be unfavorable for the stability of battery, brought very big restriction to application.
Summary of the invention
The object of the present invention is to provide a kind of good stability, polymer solar battery that energy conversion rate is high.
Technical scheme of the present invention is following:
A kind of polymer solar battery; This battery is a layer structure; And this layer structure is followed successively by: anode substrate, hole resilient coating, active layer, electron transfer layer, electron buffer layer, cathode layer, promptly the structure of this battery is followed successively by: anode substrate/hole resilient coating/active layer/electron transfer layer/electron buffer layer/cathode layer.
In this polymer solar battery, the used material of each functional layer is following,
The conductive anode substrate is indium tin oxide glass (ITO), mix indium zinc oxide glass (IZO), fluorine doped tin oxide glass (FTO) or mix in the change zinc glass (AZO) of aluminium any;
The material of hole resilient coating is for gathering 3, the mixture of 4-dioxy ethene thiophene (PEDOT) and polyphenyl sodium sulfonate (PSS), i.e. PEDOT: PSS mixture;
The material of active layer is for gathering 3-hexyl thiophene (P3HT), gather [2-methoxyl group-5-(3,7. dimethyl octyloxy) phenylenevinylene] (MDMO-PPV) or gather [2-methoxyl group-5-(2 '-vinyl-own oxygen base) gathers the styrene support] and (MEH-PPV) mixes in the back formation mixture any respectively with fullerene methyl butyrate derivative (PCBM); Be P3HT: PCBM, MDMO-PPV: PCBM or MEH-PPV: any among the PCBM; Wherein, the mass ratio of P3HT: PCBM is controlled at 1: 0.8-1: 1 scope, and the mass ratio of MDMO-PPV: PCBM or MEH-PPV: PCBM is controlled at 1 respectively: 1-1: 4 scope;
The material of said electron transfer layer is oxine aluminium (Alq
3), 4,7-diphenyl-1,10-phenanthroline (Bphen), 1,2, any in 4-triazole derivative (like TAZ) or the N-aryl benzimidazole (TPBI);
The material of electron buffer layer is lithia (Li
2O), cesium oxide (Cs
2O), caesium bicarbonate (CsHCO
3), lithium phosphate (Li
3PO
4) or lithium nitrate (LiNO
3) in any;
The material of cathode layer is any metal in aluminium (Al), silver (Ag), gold (Au) or the platinum (Pt).
Another object of the present invention is to provide the preparation method of above-mentioned polymer solar battery, its processing step is following:
S1, with anode substrate successively at liquid detergent, deionized water, acetone; Ethanol, the organic pollution on surface is removed in ultrasonic cleaning in the isopropyl alcohol; Clean up the back under power 10-50W, it is carried out oxygen plasma treatment 5-15min, or UV-ozone treatment 5～50min;
S2, be the hole resilient coating of 20-80nm at the anode surface spin coating thickness of anode substrate, buffer-layer surface spin coating thickness is the active layer of 80-300nm, dried then in the hole again after the drying;
S3, vapor deposition thickness is the electron transfer layer of 10-40nm on active layer surface; Intact back is the electron buffer layer of 0.5-10nm at electric transmission laminar surface vapor deposition thickness then;
S4, last, vapor deposition thickness is the cathode layer of 80-200nm on the electron buffer layer surface, makes polymer solar battery.
Polymer solar battery of the present invention, vapor deposition one deck electron transfer layer can improve electric transmission speed on active layer; Simultaneously, also can increase the distance between active layer and the cathode layer, avoid active layer exciton and negative electrode cancellation emission, the photoelectric conversion efficiency of solar energy is improved significantly.
Description of drawings
Fig. 1 is a polymer solar battery structural representation of the present invention;
Fig. 2 is preparation technology's flow chart of polymer solar battery of the present invention;
Fig. 3 is the polymer solar battery of embodiment 1: ITO substrate/PEDOT: PSS/MEH-PPV: PCBM/Bphen/Cs
2O/Al and Comparative Examples battery: the current density of ITO substrate/PEDOT: PSS/MEH-PPV: PCBM/LiF/Al and voltage relationship figure; Wherein, curve 1 is the curve of Comparative Examples, and curve 2 is the curve of embodiment 1;
Embodiment
A kind of polymer solar battery of the present invention; As shown in Figure 1; This battery is a layer structure; And this layer structure is followed successively by: anode substrate 11, hole resilient coating 12, active layer 13, electron transfer layer 14, electron buffer layer 15, cathode layer 16, promptly the structure of this battery is: anode substrate 11/ hole resilient coating 12/ active layer 13/ electron transfer layer 14/ electron buffer layer 15/ cathode layer 16.
In this polymer solar battery, the used material of each functional layer is following,
The conductive anode substrate is indium tin oxide glass (ITO), mix in indium zinc oxide glass (IZO), fluorine doped tin oxide glass (FTO) or the Al-Doped ZnO glass (AZO) any;
The material of hole resilient coating is for gathering 3, the mixture of 4-dioxy ethene thiophene (PEDOT) and polyphenyl sodium sulfonate (PSS), i.e. PEDOT: PSS mixture;
The material of active layer is for gathering 3-hexyl thiophene (P3HT), gather [2-methoxyl group-5-(3,7. dimethyl octyloxy) phenylenevinylene] (MDMO-PPV) or gather [2-methoxyl group-5-(2 '-vinyl-own oxygen base) gathers the styrene support] and (MEH-PPV) mixes in the back formation mixture any respectively with fullerene methyl butyrate derivative (PCBM); It is P3HT: PCBM, MDMO-PPV: PCBM or MEH-PPV: any mixture among the PCBM; Wherein, the mass ratio of P3HT: PCBM is controlled at 1: 0.8-1: 1 scope, and the mass ratio of MDMO-PPV: PCBM or MEH-PPV: PCBM is controlled at 1 respectively: 1-1: 4 scope;
The material of said electron transfer layer is oxine aluminium (Alq
3), 4,7-diphenyl-1,10-phenanthroline (Bphen), 1,2, any in 4-triazole derivative (like TAZ) or the N-aryl benzimidazole (TPBI);
The material of electron buffer layer is lithia (Li
2O), cesium oxide (Cs
2O), caesium bicarbonate (CsHCO
3), lithium phosphate (Li
3PO
4) or lithium nitrate (LiNO
3) in any;
The material of cathode layer is any metal in aluminium (A1), silver (Ag), gold (Au) or the platinum (Pt).
Another object of the present invention is to provide the preparation method of above-mentioned polymer solar battery, as shown in Figure 2, its processing step is following:
S1, with anode substrate successively at liquid detergent, deionized water, acetone; Ethanol, the organic pollution on surface is removed in ultrasonic cleaning in the isopropyl alcohol; Clean up the back under power 10-50W, it is carried out oxygen plasma treatment 5-15min, or UV-ozone treatment 5～50min;
S2, be the hole resilient coating of 20-80nm at the anode surface spin coating thickness of anode substrate, buffer-layer surface spin coating thickness is the active layer of 80-300nm, dried then in the hole again after the drying;
S3, vapor deposition thickness is the electron transfer layer of 10-40nm on active layer surface; Intact back is the electron buffer layer of 0.5-10nm at electric transmission laminar surface vapor deposition thickness then;
S4, last, vapor deposition thickness is the cathode layer of 80-200nm on the electron buffer layer surface, makes polymer solar battery.
Among above-mentioned preparation method's the step S2, it is 2 that the hole resilient coating adopts weight ratio: 1-6: 1 PEDOT: the PSS aqueous solution, mass percent are 1-5wt%, after hole resilient coating spin coating finishes, heat 15-60min down at 100-200 ℃, and THICKNESS CONTROL is at 20-80nm; Preferred PEDOT: the PSS weight ratio is 6: 1, and mass percent is the PEDOT of 1.3wt%: the PSS aqueous solution, and preferred 200 ℃ are heated 30min down, and preferred thickness is 20nm.
Among above-mentioned preparation method's the step S2, the material of active layer is a solution system, and its solvent is one or both mixed solvents in toluene, xylenes, chlorobenzene or the chloroform.The total concentration of every kind of system is controlled at 8-30mg/ml, and the mass ratio of P3HT: PCBM is controlled at 0.8: 1-1: 1 scope; The mass ratio of MDMO-PPV: PCBM or MEH-PPV: PCBM is controlled at 1: 1-1: 4 scope; In being full of the glove box of inert gas, carry out spin coating then; At the 50-200 ℃ of 10-100min that anneals down, perhaps at room temperature place 24-48h at last, THICKNESS CONTROL is at 80-300nm; Preferred total concentration is the MEH-PPV of 24mg/ml: PCBM chlorobenzene solution system, and the mass ratio of preferred MEH-PPV: PCBM is 1: 4, preferred 100 ℃ of 30min that anneal down, thickness is 120nm.
Polymer solar battery of the present invention, vapor deposition one deck electron transfer layer can improve electric transmission speed on active layer; Simultaneously, also can increase the distance between active layer and the cathode layer, avoid active layer exciton and negative electrode cancellation emission, the photoelectric conversion efficiency of solar energy is improved significantly; Simultaneously, utilize cesium salt and other lithium salts to prepare electron buffer layer, electron injection efficiency is improved; Reduce the injection barrier between electrode and the active layer, thereby strengthen the injection of electronics, and the sort buffer layer thickness is thicker; Can avoid the cancellation of electric charge, also optimize technology in electrode.
Do further explain in the face of preferred embodiment of the present invention down.
Among the following embodiment 1～5, substrate is glass.
Embodiment 1
The structure of polymer solar battery is in the present embodiment:
ITO substrate/PEDOT: PSS/MEH-PPV: PCBM/Bphen/Cs
2O/Al.
The preparation technology of this polymer solar battery is following:
1, liquid detergent, deionized water, acetone are used in the ITO substrate successively; Ethanol, isopropyl alcohol clean, and each ultrasonic 15min when cleaning; Remove the organic pollution of glass surface, the ITO layer to the ITO substrate after cleaning up is oxygen plasma surface treatment 15min under the 10W condition in power;
2, with PEDOT: (wherein, PEDOT: the PSS weight ratio is 6: 1 to the PSS aqueous solution; The gross mass percentage of PEDOT and PSS is 1.3wt%) be prepared in the ITO laminar surface of ITO substrate through the mode of spin coating; Heat 30min down at 200 ℃ after the spin coating, making thickness is the hole resilient coating of 20nm;
3, with MEH-PPV: PCBM chlorobenzene solution system is spin-coated on the hole buffer-layer surface, after spin coating is intact, at 100 ℃ of 30min that anneal down, makes the active layer that thickness is 120nm; Wherein, be MEH-PPV: in the PCBM chlorobenzene solution system, solvent is a chlorobenzene, and the total concentration of MEH-PPV and PCBM is 24mg/ml, and the mass ratio of MEH-PPV: PCBM is 1: 4;
4, the vapor deposition electron transfer layer on the active layer surface, material is Bphen, thickness is 20nm;
5, go out surperficial vapor deposition electron buffer layer in electric transmission, material is Cs
2O, thickness are 5nm;
6, last, the vapor deposition cathode layer on the electron buffer layer surface, material is Al, thickness is 100nm;
7, after above-mentioned preparation technology accomplishes, obtain required polymer solar battery.
Accompanying drawing 3 is that (structure is: ITO substrate/PEDOT: PSS/MEH-PPV: PCBM/Bphen/Cs for the preparation polymer solar battery of embodiment 1
2O/Al) (structure is: ITO substrate/PEDOT: PSS/MEH-PPV: current density PCBM/LiF/Al) and voltage relationship with the Comparative Examples battery; Wherein, curve 1 is the curve of Comparative Examples, and curve 2 is the curve of embodiment 1.
The test of above-mentioned current density and voltage, the model that adopts U.S. Keithly company to generate is that 2602 current-voltage testers carry out, test technology is: the filter set cooperation with 500W xenon lamp (Osram) and AM 1.5 is the white light source of simulated solar irradiation.
Can see that from Fig. 3 the current density of Comparative Examples solar cell is 5.35mA/cm
2, and the current density of the solar cell among the embodiment 1 of adding electron transfer layer has been brought up to 6.27mA/cm
2This explanation, the solar cell of adding transport layer, charge transfer speed is faster, and the electronics that negative electrode is collected is more, finally makes the energy conversion efficiency of solar cell obtain enhancing; The energy conversion efficiency of Comparative Examples solar cell is 1.21%, and the energy conversion efficiency of the solar cell in the present embodiment 1 is 1.50%.
Embodiment 2
The structure of polymer solar battery is in the present embodiment:
IZO substrate/PEDOT: PSS/MDMO-PPV: PCBM/TAZ/Li
2O/Ag.
The preparation technology of this polymer solar battery is following:
1, liquid detergent, deionized water, acetone are used in the IZO substrate successively; Ethanol, isopropyl alcohol clean, and each ultrasonic 15min when cleaning; Remove the organic pollution of glass surface, the IZO layer to the IZO substrate after cleaning up is oxygen plasma surface treatment 5min under the 50W condition in power;
2, with PEDOT: (wherein, PEDOT: the PSS weight ratio is 2: 1 to the PSS aqueous solution; The gross mass percentage of PEDOT and PSS is 5wt%) be prepared in the IZO laminar surface of IZO substrate through the mode of spin coating; Heat 30min down at 200 ℃ after the spin coating, making thickness is the hole resilient coating of 80nm;
3, with MDMO-PPV: PCBM chlorobenzene/toluene solution system is spin-coated on the hole buffer-layer surface, after spin coating is intact, at 100 ℃ of 30min that anneal down, makes the active layer that thickness is 300nm; Wherein, be MEH-PPV: in PCBM chlorobenzene/toluene solution system, solvent is chlorobenzene/toluene mixed solvent, and the total concentration of MDMO-PPV and PCBM is 30mg/ml, and the mass ratio of MDMO-PPV: PCBM is 1: 4;
4, the vapor deposition electron transfer layer on the active layer surface, material is TAZ, thickness is 10nm;
5, go out surperficial vapor deposition electron buffer layer in electric transmission, material is Li
2O, thickness are 0.5nm;
6, last, the vapor deposition cathode layer on the electron buffer layer surface, material is Ag, thickness is 200nm;
7, after above-mentioned preparation technology accomplishes, obtain required polymer solar battery.
Embodiment 3
The structure of polymer solar battery is in the present embodiment:
FTO substrate/PEDOT: PSS/MEH-PPV: PCBM/TPBi/CsHCO
3/ Au.
The preparation technology of this polymer solar battery is following:
1, liquid detergent, deionized water, acetone are used in the FTO substrate successively; Ethanol, isopropyl alcohol clean, and each ultrasonic 10min when cleaning; Remove the organic pollution of glass surface, the FTO layer to the FTO substrate after cleaning up is oxygen plasma surface treatment 10min under the 30W condition in power;
2, with PEDOT: (wherein, PEDOT: the PSS weight ratio is 3: 1 to the PSS aqueous solution; The gross mass percentage of PEDOT and PSS is 1wt%) be prepared in the FTO laminar surface of FTO substrate through the mode of spin coating; Heat 60min down at 100 ℃ after the spin coating, making thickness is the hole resilient coating of 20nm;
3, with MEH-PPV: PCBM chloroformic solution system is spin-coated on the hole buffer-layer surface, after spin coating is intact, at 200 ℃ of 5min that anneal down, makes the active layer that thickness is 80nm; Wherein, MEH-PPV: in the PCBM chloroformic solution system, solvent is a chloroform, and the total concentration of MEH-PPV and PCBM is 8mg/ml, and the mass ratio of MEH-PPV: PCBM is 1: 1;
4, the vapor deposition electron transfer layer on the active layer surface, material is TPBi, thickness is 40nm;
5, go out surperficial vapor deposition electron buffer layer in electric transmission, material is CsHCO
3, thickness is 10nm;
6, last, the vapor deposition cathode layer on the electron buffer layer surface, material is Au, thickness is 80nm;
7, after above-mentioned preparation technology accomplishes, obtain required polymer solar battery.
Embodiment 4
The structure of polymer solar battery is in the present embodiment:
IZO substrate/PEDOT: PSS/P3HT: PCBM/Alq
3/ LiNO
3/ Pt.
The preparation technology of this polymer solar battery is following:
1, liquid detergent is used in the IZO substrate successively, deionized water, acetone, ethanol, isopropyl alcohol clean, and each ultrasonic 15min when cleaning, and remove the organic pollution of glass surface, clean up the IZO layer UV-ozone surface treatment 5min of back to the IZO substrate;
2, with PEDOT: (wherein, PEDOT: the PSS weight ratio is 4: 1 to the PSS aqueous solution; The gross mass percentage of PEDOT and PSS is 2wt%) be prepared in the IZO laminar surface of IZO substrate through the mode of spin coating; Heat 40min down at 150 ℃ after the spin coating, making thickness is the hole resilient coating of 30nm;
3, with P3HT: PCBM toluene solution system is spin-coated on the hole buffer-layer surface, after spin coating is intact, at 50 ℃ of 100min that anneal down, makes the active layer that thickness is 140nm; Wherein, P3HT: in the PCBM toluene solution system, solvent is a toluene, and the total concentration of P3HT and PCBM is 12mg/ml, and the mass ratio of P3HT: PCBM is 1: 0.8;
4, the vapor deposition electron transfer layer on the active layer surface, material is Alq
3, thickness is 15nm;
5, go out surperficial vapor deposition electron buffer layer in electric transmission, material is LiNO
3, thickness is 2nm;
6, last, the vapor deposition cathode layer on the electron buffer layer surface, material is Pt, thickness is 150nm;
7, after above-mentioned preparation technology accomplishes, obtain required polymer solar battery.
Embodiment 5
The structure of polymer solar battery is in the present embodiment:
AZO substrate/PEDOT: PSS/P3HT: PCBM/Bphen/Li
3PO
4/ Ag.
The preparation technology of this polymer solar battery is following:
1, liquid detergent is used in the AZO substrate successively, deionized water, acetone, ethanol, isopropyl alcohol clean, and each ultrasonic 15min when cleaning, and remove the organic pollution of glass surface, clean up the IAZO layer UV-ozone surface treatment 50min of back to the AZO substrate;
2, with PEDOT: (wherein, PEDOT: the PSS weight ratio is 5: 1 to the PSS aqueous solution; The gross mass percentage of PEDOT and PSS is 4wt%) be prepared in the AZO laminar surface of AZO substrate through the mode of spin coating; Heat 15min down at 200 ℃ after the spin coating, making thickness is the hole resilient coating of 50nm;
3, with P3HT: PCBM xylene solution system is spin-coated on the hole buffer-layer surface, after spin coating is intact, at 90 ℃ of 80min that anneal down, makes the active layer that thickness is 250nm; Wherein, P3HT: in the PCBM xylene solution system, solvent is an xylenes, and the total concentration of P3HT and PCBM is 30mg/ml, and the mass ratio of P3HT: PCBM is 1: 3;
4, the vapor deposition electron transfer layer on the active layer surface, material is Bphen, thickness is 35nm;
5, go out surperficial vapor deposition electron buffer layer in electric transmission, material is Li
3PO
4, thickness is 5nm;
6, last, the vapor deposition cathode layer on the electron buffer layer surface, material is Ag, thickness is 80nm;
7, after above-mentioned preparation technology accomplishes, obtain required polymer solar battery.
Should be understood that above-mentioned statement to preferred embodiment of the present invention is comparatively detailed, can not therefore think the restriction to scope of patent protection of the present invention, scope of patent protection of the present invention should be as the criterion with accompanying claims.
Claims (10)
1. polymer solar battery, this battery is a layer structure, it is characterized in that, this layer structure is followed successively by: anode substrate, hole resilient coating, active layer, electron transfer layer, electron buffer layer, cathode layer.
2. polymer solar battery according to claim 1 is characterized in that, said anode substrate is indium tin oxide glass, mix in indium zinc oxide glass, fluorine doped tin oxide glass or the Al-Doped ZnO glass any.
3. polymer solar battery according to claim 1 is characterized in that, the material of said hole resilient coating is for gathering 3, the mixture of 4-dioxy ethene thiophene and polyphenyl sodium sulfonate.
4. polymer solar battery according to claim 1; It is characterized in that; The material of said active layer is for gathering the 3-hexyl thiophene, gather [2-methoxyl group-5-(3,7. dimethyl octyloxy) phenylenevinylene] or gathering [2-methoxyl group-5-(2 '-vinyl-own oxygen base) gathers the styrene support] and mixes in the back formation mixture any respectively with fullerene methyl butyrate derivative.
5. polymer solar battery according to claim 4 is characterized in that, the said 3-of gathering hexyl thiophene and fullerene methyl butyrate derivative form in the mixture, and the mass ratio that gathers 3-hexyl thiophene and fullerene methyl butyrate derivative is 1: 0.8-1: 1;
[2-methoxyl group-5-(3 of said gathering; 7. phenylenevinylene dimethyl octyloxy)] form in the mixture with fullerene methyl butyrate derivative; The mass ratio that gathers [2-methoxyl group-5-(3,7. dimethyl octyloxy) phenylenevinylene] and fullerene methyl butyrate derivative is 1: 1-1: 4;
Said gathering [2-methoxyl group-5-(2 '-vinyl-own oxygen base) gathers the styrene support] forms in the mixture with fullerene methyl butyrate derivative, and gathering [2-methoxyl group-5-(2 '-vinyl-own oxygen base) gathers styrene is supportted] and the mass ratio of fullerene methyl butyrate derivative is 1: 1-1: 4.
6. polymer solar battery according to claim 1 is characterized in that, the material of said electron transfer layer is an oxine aluminium, 4,7-diphenyl-1,10-phenanthroline, 1,2, any in 4-triazole derivative or the N-aryl benzimidazole.
7. polymer solar battery according to claim 1 is characterized in that, the material of said electron buffer layer is any in lithia, cesium oxide, caesium bicarbonate, lithium phosphate or the lithium nitrate.
8. polymer solar battery according to claim 1 is characterized in that, the material of said cathode layer is any metal in aluminium, silver, gold or the platinum.
9. the preparation method like the arbitrary described polymer solar battery of claim 1 to 8 is characterized in that, this preparation method comprises the steps:
S1, antianode substrate surface carry out clean, dry back is subsequent use;
S2, in spin coating hole, the anode layer of anode substrate surface resilient coating, again at this hole buffer-layer surface spin coating active layer, subsequent drying is handled after the drying;
S3, on the active layer of drying surface the vapor deposition electron transfer layer, intact back is then in electric transmission laminar surface vapor deposition electron buffer layer;
S4, the vapor deposition cathode layer on electron buffer layer surface at last make said polymer solar battery.
10. preparation method according to claim 9 is characterized in that, the clean among the said step S1 comprises:
S11, with anode substrate successively at liquid detergent, deionized water, acetone, ethanol, ultrasonic cleaning in the isopropyl alcohol;
S12, carry out oxygen plasma treatment or UV-ozone treatment at the anode surface of anode substrate.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103928613A (en) * | 2013-01-16 | 2014-07-16 | 海洋王照明科技股份有限公司 | Polymer solar cell and preparation method thereof |
| CN104253175A (en) * | 2013-06-27 | 2014-12-31 | 海洋王照明科技股份有限公司 | Solar cell device and production method thereof |
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