Summary of the invention
The invention provides a kind of polymer with laminated structure solar cell.Utilize this structure to realize the polymer with laminated structure solar cell, improve the performance of photovoltaic cell.This structure is mainly used in the lamination solar cell of the polymeric material of spin coating method preparation.
A kind of polymer with laminated structure solar cell provided by the invention, its inventive point is exactly the material of intermediate electrode structure and use, its structure as shown in Figure 1:
The 1st, substrate, material are glass or plastic layer;
The 2nd, indium tin oxide (ITO) anode layer, thickness is 180 nanometers;
The 3rd, the anode modification layer adopts (PEDOT) polystyrene doped sulfonic acid (PSS) of polythiofuran derivative poly-(3,4-vinyl dioxy thiophene), and wherein PEDOT is 1 to 6 with the weight ratio of PSS, and this anode modification layer thickness is the 20-100 nanometer;
4 is first active layers, is the blend of conjugate polymer material and fullerene derivate, and wherein preferred conjugate polymer material gathers 3-hexyl thiophene (P3HT) as electron donor, fullerene derivate [6,6]-2-phenyl C
61-2-butyric acid formicester (PCBM) is as electron acceptor, and wherein, the quality of PCBM accounts for the 40-80% of P3HT and PCBM gross mass, utilizes chlorobenzene dissolving and spin-coating film, and solution concentration is 10-20mg/ml, and thickness is the 50-150 nanometer;
The 5th, electron transfer layer, its material are n type metal oxide TiO
x, ZnO and SnO
2At least a, thickness is the 10-50 nanometer;
The 6th, metal level, its material are that metallic aluminium, silver and gold are at least a, and thickness is the 2-10 nanometer;
The 7th, hole transmission layer, its material are p type metal oxide MoO
3And WO
3At least a, thickness is the 5-20 nanometer;
Described electron transfer layer 5, metal level 6 and the hole transmission layer 7 common targets that constitute the polymer stack solar cell.
8 is second active layers, is the blend of conjugate polymer material and fullerene derivate, and wherein conjugate polymer material gathers 3-hexyl thiophene (P3HT) as electron donor, fullerene derivate [6,6]-2-phenyl C
61-2-butyric acid formicester (PCBM) is as electron acceptor, and the quality of PCBM accounts for the 40-80% of P3HT and PCBM gross mass, utilizes chlorobenzene dissolving and spin-coating film, and solution concentration is the 10-20 mg/ml, and thickness is the 50-150 nanometer;
The 9th, cathodic modification layer, its material are that LiF, CsF and CaO are at least a, and thickness is the 1-3 nanometer;
The 10th, cathode layer, its material are that metallic aluminium, silver and calcium are at least a, and thickness is the 60-200 nanometer.
The preparation process and the condition of stacking polymer solar cell of the present invention are as follows:
(1) ito anode layer 2 is formed the ITO electro-conductive glass with glass substrate 1; The fine strip shape ITO electro-conductive glass that etching is good cleans up and dries, be placed on the carriage of spin coater, filtering head by 0.45 micron, by proportioning PEDOT and PSS solution evenly are coated with completely whole slice, thin piece, by regulating 1200-5000 rpm of spin coater rotary speed, make PEDOT and PSS form the film of one deck 20-100 nanometer thickness on the surface of ito anode layer 2, as anode modification layer 3, the baking oven of putting into 120 ℃ heated 30 minutes;
(2) step (1) baking is the good ITO electro-conductive glass that scribbles anode modification layer 3 is transferred in the glove box, be placed on after the cooling on the spin coater carriage, by proportioning P3HT that stirs and the mixed solution of PCBM are evenly coated on this ITO electro-conductive glass by filtering head, by regulating 500-1000 rpm of spin coater rotating speed, on anode modification layer 3, obtain the ground floor active layer 4 of 50-150 nanometer;
In described P3HT that stirs and the PCBM mixed solution, the quality of PCBM accounts for the 40-80% of P3HT and PCBM gross mass; The preparation method of this mixed solution is as follows: be solvent with the chlorobenzene, concentration is the 10-20 mg/ml, and the quality of PCBM accounts for the 40-80% of P3HT and PCBM gross mass, adds thermal agitation 3 hours at 60 ℃, stops heating, continues to stir 12 hours;
(3) this ITO electro-conductive glass that scribbles one deck active layer 4 is taken out in glove box with shifting bottle, be placed on the spin coater carriage, being coated on the active layer 4 of the film that P3HT and PCBM constitute uniformly by filtering head with the n type oxide of the electric transmission of absolute ethyl alcohol dilution, by regulating 1500-3000 rpm of spin coater rotating speed, obtain the electron transfer layer 5 of 10-50 nanometer thickness; This ITO electro-conductive glass that has been coated with electron transfer layer 5 is transferred in the glove box once more, in glove box, heated the solvent in the removal electron transfer layer 5 10 minutes in 150 ℃ on the hot platform; After the cooling, put into vacuum coating equipment and vacuumize, when vacuum degree reaches 4 * 10
-4The metal level 6 of evaporation 2-10 nanometer thickness during Pascal, and then the p type metal oxide of evaporation 5-20 nanometer thickness form hole transmission layer 7;
(4) put on the spin coater carriage of glove box after the product that the make taking-up with step (3), is the concentration that stirs the above-mentioned mixed solution that the quality of 10-20 mg/ml, PCBM accounts for the 40-80% of P3HT and PCBM gross mass, be evenly coated on the cave transport layer 7 by filtering head, by regulating 500-1000 rpm of spin coater rotating speed, on cave transport layer 7, obtain the second layer active layer 8 of 50-150 nanometer;
(5) last, the product that make that step (4) is obtained are put into vacuum coating equipment and are vacuumized, when vacuum degree reaches 4 * 10
-4The cathodic modification layer 9 of evaporation 1-3 nanometer thickness during Pascal, evaporate the metal of 60-200 nanometer thickness again, constitute cathode layer 10, transfer in the glove box having steamed the cathode layer product that make afterwards, 110 ℃ of following heat treatments 5 minutes, encapsulate after being cooled to room temperature, finish the making of stacking polymer solar cell.
The polymer stack Solar cell performance that test the inventive method prepares under rayed at 100 milliwatt/square centimeters comprises open circuit voltage, short circuit current, energy conversion efficiency and fill factor, curve factor.Table 1 is the performance parameter of Comparative Examples I, II, III, IV, V, VI and embodiment 1,2,3,4,5,6,7,8,9 battery under 100 milliwatts/square centimeter white light.The open circuit voltage of polymer stack battery (embodiment 1) is approximately equal to two sub-batteries (Comparative Examples 1 and 2) open circuit voltage sum up and down as can be seen from Table 1.The open circuit voltage of two sub-batteries (Comparative Examples 1 and 2) is respectively 0.58 volt and 0.59 volt, and the open circuit voltage of laminated cell (embodiment 1) is 1.11 volts.The short circuit current of laminated cell is subject to the less sub-battery of short circuit current, the short circuit current of two sub-batteries (Comparative Examples 1 and 2) is respectively 9.10 and 6.78 milliamperes/square centimeter, because the active layer of two batteries up and down of laminated cell (embodiment 1) has identical extinction spectrum, further limited the short circuit current of laminated cell (embodiment 1), only be 4.05 milliamperes/square centimeter, the energy conversion efficiency and the fill factor, curve factor of laminated cell (embodiment 1) also have been subjected to influence thus, are respectively 2.01% and 0.45.Adopt the polymer stack solar cell ( embodiment 2,3,4,5,6,7,8,9) of other structures all to show laminate properties similar to Example 1, Fig. 2 is Comparative Examples I, Comparative Example II and the current-voltage characteristic curve of embodiment 1 under the white light of 100 milliwatt/square centimeters.Can find out more directly that by Fig. 2 the open circuit voltage of laminated cell is approximately equal to the stack of the open circuit voltage of two sub-batteries, illustrate that this target can realize being connected in series of polymer solar battery.
Beneficial effect of the present invention: the n type and p type oxide-metal combinations such as the Ti0 that adopt high permeability
x/ MoO
3As target, at two metal oxides such as Ti0
xAnd MoO
3Between introduce the skim metal such as aluminium is realized the effectively compound of electronics and hole.Utilizing the open circuit voltage of the stacking polymer solar cell of this target making is two sub-battery open circuit voltage sums, has realized being connected in series of polymer solar battery thus.This structure can be applicable to the making of the lamination solar cell of solution spin coating.Adopt P3HT and PCBM mixed solution to reach 1.10V as the open circuit voltage mean value of the polymer stack solar cell of active layer, peak efficiency reaches 2.01%.This novel intermediate electrode structure can be applied in the laminated device of the different active layer material of extinction scope, thereby improve the coupling of polymer solar battery absorption spectrum and sunlight spectrum, improve the energy conversion efficiency of polymer solar battery thus.
Table 1 is the performance parameter contrast of Comparative Examples I, II, III, IV, V, VI and embodiment 1,2,3,4,5,6,7,8,9 under 100 milliamperes/square centimeter white light.
Embodiment:
Comparative Examples I:
Being solvent with the chlorobenzene, concentration is that 44% P3HT:PCBM mixed solution 60 degree that the quality of 18 mg/ml, PCBM accounts for gross mass added thermal agitation after 3 hours, stops heating and continues to stir 12 hours.
Ito anode layer and glass substrate are formed the ITO electro-conductive glass, and the fine strip shape ITO electro-conductive glass with certain width that etching is good cleans up and dries.Clean ito glass is placed on the carriage of spin coater, by 0.45 micron filtering head PEDOT:PSS solution evenly is coated with completely whole slice, thin piece, rotated one minute with the speed that per minute 3000 changes, make PEDOT:PSS form the film of one deck 40 nanometer thickness on the ITO surface, the baking oven of putting into 120 ℃ heated 30 minutes.
The ito substrate that scribbles PEDOT:PSS that baking is good is transferred in the glove box, treat to be placed on the spin coater carriage after the substrate cooling, the P3HT:PCBM mixed solution that stirs is evenly coated on the ito substrate by filtering head, rotated one minute with the speed that per minute 800 changes, obtain the middle active layer of 100 nanometers.
The substrate that scribbles active layer is taken out in glove box with shifting bottle, be placed on the spin coater carriage, TiO with the absolute ethyl alcohol dilution
xBe coated in uniformly on the P3HT:PCBM by filtering head, rotated one minute, obtain the TiO of 10 nanometer thickness with the speed that per minute 3000 changes
xLayer.To scribble TiO
xThe layer substrate transfer to once more in the glove box, in glove box on the hot platform 150 ℃ the heating 10 minutes.
After treating the substrate cooling, put into vacuum coating equipment and vacuumize, when vacuum degree reaches 4 * 10
-4Evaporate the aluminium of 100 nanometer thickness during Pascal.The effective area of battery is 12 square millimeters, and making structure is ITO/PEDOT:PSS (40nm)/P3HT:PCBM (100nm)/TiO
x(10nm)/polymer solar battery of Al (100nm).Finish that battery device is made and 110 ℃ of following thermal annealings 5 minutes in glove box.
Comparative Example II:
Ito anode layer and glass substrate are formed the ITO electro-conductive glass, and being solvent with the chlorobenzene, concentration is that 44% P3HT:PCBM mixed solution 60 degree that the quality of 18 mg/ml, PCBM accounts for gross mass added thermal agitation after 3 hours, closes heating and continues stirring 12 hours.
Ito anode layer and glass substrate are formed the ITO electro-conductive glass, and the fine strip shape ITO electro-conductive glass with certain width that etching is good cleans up and dries.Substrate is put into vacuum coating equipment vacuumize, when vacuum degree reaches 4 * 10
-4The MoO of evaporation 10 nanometer thickness during Pascal
3Substrate taken out put on the spin coater carriage of glove box, the speed spin coating P3HT:PCBM mixture that changes with per minute 800 one minute obtains the middle active layer of 100 nanometer thickness.
Vacuum coating equipment is put in the substrate taking-up that scribbles polymer vacuumized, when vacuum degree reaches 4 * 10
-4Evaporate the LiF of 1 nanometer thickness and the aluminium electrode of 100 nanometer thickness during Pascal.The effective area of battery is 12 square millimeters, and making structure is ITO/MoO
3(10nm)/polymer solar battery of P3HT:PCBM (100nm)/LiF (1nm)/Al (100nm).The battery that making finishes 110 ℃ of thermal annealings 5 minutes in glove box.
Comparative Example II I:
Being solvent with the chlorobenzene, concentration is that 40% P3HT:PCBM mixed solution 60 degree that the quality of 10 mg/ml, PCBM accounts for gross mass added thermal agitation after 3 hours, stops heating and continues to stir 12 hours.
Ito anode layer and glass substrate are formed the ITO electro-conductive glass, and the fine strip shape ITO electro-conductive glass with certain width that etching is good cleans up and dries.Clean ito glass is placed on the carriage of spin coater, by 0.45 micron filtering head PEDOT:PSS solution evenly is coated with completely whole slice, thin piece, rotated one minute with the speed that per minute 5000 changes, make PEDOT:PSS form the film of one deck 20 nanometer thickness on the ITO surface, the baking oven of putting into 120 ℃ heated 30 minutes.
The ito substrate that scribbles PEDOT:PSS that baking is good is transferred in the glove box, treat to be placed on the spin coater carriage after the substrate cooling, the P3HT:PCBM mixed solution that stirs is evenly coated on the ito substrate by filtering head, rotated one minute with the speed that per minute 1000 changes, obtain the middle active layer of 50 nanometers.
The substrate that scribbles active layer is taken out in glove box with shifting bottle, be placed on the spin coater carriage, ZnO with the absolute ethyl alcohol dilution is coated on the P3HT:PCBM uniformly by filtering head, rotated one minute, obtain the ZnO layer of 50 nanometer thickness with the speed that per minute 1500 changes.The substrate that scribbles the ZnO layer is transferred in the glove box once more, in glove box on the hot platform 150 ℃ the heating 10 minutes.
After treating the substrate cooling, put into vacuum coating equipment and vacuumize, when vacuum degree reaches 4 * 10
-4Evaporate the silver of 60 nanometer thickness during Pascal.The effective area of battery is 12 square millimeters, and making structure is the polymer solar battery of ITO/PEDOT:PSS (20nm)/P3HT:PCBM (50nm)/ZnO (50nm)/Ag (60nm).Finish that battery device is made and 110 ℃ of following thermal annealings 5 minutes in glove box.
Comparative Examples I V:
Being solvent with the chlorobenzene, concentration is that 80% P3HT:PCBM mixed solution 60 degree that the quality of 20 mg/ml, PCBM accounts for gross mass added thermal agitation after 3 hours, closes heating and continues to stir 12 hours.
Ito anode layer and glass substrate are formed the ITO electro-conductive glass, and the fine strip shape ITO electro-conductive glass with certain width that etching is good cleans up and dries.Substrate is put into vacuum coating equipment vacuumize, when vacuum degree reaches 4 * 10
-4The W0 of evaporation 20 nanometer thickness during Pascal
3Substrate taken out put on the spin coater carriage of glove box, the speed spin coating P3HT:PCBM mixture that changes with per minute 500 one minute obtains the middle active layer of 150 nanometer thickness.
Vacuum coating equipment is put in the substrate taking-up that scribbles polymer vacuumized, when vacuum degree reaches 4 * 10
-4Evaporate the CsF of 2 nanometer thickness and the silver electrode of 60 nanometer thickness during Pascal.The effective area of battery is 12 square millimeters, and making structure is ITO/WO
3(20nm)/polymer solar battery of P3HT:PCBM (150nm)/CsF (2nm)/Ag (60nm).The battery that making finishes 110 ℃ of thermal annealings 5 minutes in glove box.
Comparative Examples V:
Being solvent with the chlorobenzene, concentration is that 80% P3HT:PCBM mixed solution 60 degree that the quality of 20 mg/ml, PCBM accounts for gross mass added thermal agitation after 3 hours, stops heating and continues to stir 12 hours.
Ito anode layer and glass substrate are formed the ITO electro-conductive glass, and the fine strip shape ITO electro-conductive glass with certain width that etching is good cleans up and dries.Clean ito glass is placed on the carriage of spin coater, by 0.45 micron filtering head PEDOT:PSS solution evenly is coated with completely whole slice, thin piece, rotated one minute with the speed that per minute 1200 changes, make PEDOT:PSS form the film of one deck 100 nanometer thickness on the ITO surface, the baking oven of putting into 120 ℃ heated 30 minutes.
The ito substrate that scribbles PEDOT:PSS that baking is good is transferred in the glove box, treat to be placed on the spin coater carriage after the substrate cooling, the P3HT:PCBM mixed solution that stirs is evenly coated on the ito substrate by filtering head, rotated one minute with the speed that per minute 500 changes, obtain the middle active layer of 150 nanometers.
The substrate that scribbles active layer is taken out in glove box with shifting bottle, be placed on the spin coater carriage, SnO with the absolute ethyl alcohol dilution
2Be coated in uniformly on the P3HT:PCBM by filtering head, rotated one minute, obtain the SnO of 15 nanometer thickness with the speed that per minute 2500 changes
2Layer.To scribble SnO
2The layer substrate transfer to once more in the glove box, in glove box on the hot platform 150 ℃ the heating 10 minutes.
After treating the substrate cooling, put into vacuum coating equipment and vacuumize, when vacuum degree reaches 4 * 10
-4Evaporate the gold of 200 nanometers during Pascal.The effective area of battery is 12 square millimeters, and making structure is ITO/PEDOT:PSS (100nm)/P3HT:PCBM (150nm)/SnO
2(15nm)/polymer solar battery of Au (200nm).Finish that battery device is made and 110 ℃ of following thermal annealings 5 minutes in glove box.
Comparative Examples VI:
Being solvent with the chlorobenzene, concentration is that 40% P3HT:PCBM mixed solution 60 degree that the quality of 10 mg/ml, PCBM accounts for gross mass added thermal agitation after 3 hours, closes heating and continues to stir 12 hours.
Ito anode layer and glass substrate are formed the ITO electro-conductive glass, and the fine strip shape ITO electro-conductive glass with certain width that etching is good cleans up and dries.Substrate is put into vacuum coating equipment vacuumize, when vacuum degree reaches 4 * 10
-4The WO of evaporation 5 nanometer thickness during Pascal
3Substrate taken out put on the spin coater carriage of glove box, the speed spin coating P3HT:PCBM mixture that changes with per minute 1,000 one minute obtains the middle active layer of 50 nanometer thickness.
Vacuum coating equipment is put in the substrate taking-up that scribbles polymer vacuumized, when vacuum degree reaches 4 * 10
-4Evaporate the CaO of 3 nanometer thickness and the calcium aluminium electrode of 200 nanometer thickness during Pascal.The effective area of battery is 12 square millimeters, and making structure is ITO/WO
3(5nm)/polymer solar battery of P3HT:PCBM (50nm)/CaO (3nm)/Ca (50nm)/Al (150nm).The battery that making finishes 110 ℃ of thermal annealings 5 minutes in glove box.
Embodiment 1:
Being solvent with the chlorobenzene, concentration is that 44% P3HT:PCBM mixed solution 60 degree that the quality of 18 mg/ml, PCBM accounts for gross mass added thermal agitation after 3 hours, stops heating and continues to stir 12 hours.
Ito anode layer 2 is formed the ITO electro-conductive glass with glass substrate 1, and the fine strip shape ITO electro-conductive glass with certain width that etching is good cleans up and dries.Clean ito glass is placed on the carriage of spin coater, by 0.45 micron filtering head PEDOT:PSS solution evenly is coated with completely whole slice, thin piece, rotated one minute with the speed that per minute 3000 changes, make PEDOT:PSS form the film of one deck 40 nanometer thickness on the ITO surface, as anode modification layer 3, the baking oven of putting into 120 ℃ heated 30 minutes.
The ito substrate that scribbles PEDOT:PSS that baking is good is transferred in the glove box, treat to be placed on the spin coater carriage after the substrate cooling, the P3HT:PCBM mixed solution that stirs is evenly coated on the ito substrate by filtering head, rotated one minute with the speed that per minute 800 changes, obtain the ground floor active layer 4 of 100 nanometer thickness.
The substrate that scribbles active layer is taken out in glove box with shifting bottle, be placed on the spin coater carriage, TiO with the absolute ethyl alcohol dilution
xBe coated in uniformly on the P3HT:PCBM by filtering head, rotated one minute, obtain the TiO of 10 nanometer thickness with the speed that per minute 3000 changes
xLayer is as electron transfer layer 5.To be coated with TiO
xThe layer substrate transfer to once more in the glove box, in glove box on the hot platform 150 ℃ the heating 10 minutes.
After treating the substrate cooling, put into vacuum coating equipment and vacuumize, when vacuum degree reaches 4 * 10
-4The aluminium that evaporates 2 nanometer thickness during Pascal evaporates the MoO of 10 nanometer thickness then as metal level 6
3As hole transmission layer 7.Put on the spin coater carriage of glove box after will device taking out, the speed spin coating P3HT:PCBM mixture that changes with per minute 800 one minute obtains the second layer active layer 8 of 100 nanometer thickness.
At last device is put into vacuum coating equipment and vacuumize, when vacuum degree reaches 4 * 10
-4The aluminium electrode that evaporates the LiF of 1 nanometer thickness and 100 nanometer thickness during Pascal is respectively as cathodic modification layer 9 and cathode layer 10.The effective area of battery is 12 square millimeters, and making structure is ITO/PEDOT:PSS (40nm)/P3HT:PCBM (100nm)/TiO
x(10nm)/Al (2nm)/MoO
3(10nm)/the polymer stack solar cell of P3HT:PCBM (100nm)/LiF (1nm)/Al (100nm).Device behind the electrode 110 ℃ of high-temperature thermal annealings 5 minutes in glove box have been steamed.
Embodiment 2:
Being solvent with the chlorobenzene, 40% and 80% P3HT:PCBM mixed solution 60 degree that the quality that concentration is respectively 10 mg/ml and 20 mg/ml, PCBM accounts for gross mass respectively added thermal agitation after 3 hours, stopped heating and continued to stir 12 hours.
Ito anode layer 2 is formed the ITO electro-conductive glass with glass substrate 1, and the fine strip shape ITO electro-conductive glass with certain width that etching is good cleans up and dries.Clean ito glass is placed on the carriage of spin coater, by 0.45 micron filtering head PEDOT:PSS solution evenly is coated with completely whole slice, thin piece, rotated one minute with the speed that per minute 5000 changes, make PEDOT:PSS form the film of one deck 20 nanometer thickness on the ITO surface, as anode modification layer 3, the baking oven of putting into 120 ℃ heated 30 minutes.
The ito substrate that scribbles PEDOT:PSS that baking is good is transferred in the glove box, treat to be placed on the spin coater carriage after the substrate cooling, is the solution concentration that stirs that 40% the P3HT:PCBM mixed solution that the quality of 10 mg/ml, PCBM accounts for gross mass is evenly coated on the ito substrate by filtering head, rotated one minute with the speed that per minute 1000 changes, obtain the ground floor active layer 4 of 50 nanometer thickness.
The substrate that scribbles active layer is taken out in glove box with shifting bottle, be placed on the spin coater carriage, ZnO with the absolute ethyl alcohol dilution is coated on the P3HT:PCBM uniformly by filtering head, rotated one minute with the speed that per minute 1500 changes, the ZnO layer that obtains 50 nanometer thickness is as electron transfer layer 5.The substrate that has been coated with the ZnO layer is transferred in the glove box once more, in glove box on the hot platform 150 ℃ the heating 10 minutes.
After treating the substrate cooling, put into vacuum coating equipment and vacuumize, when vacuum degree reaches 4 * 10
-4The silver that evaporates 5 nanometer thickness during Pascal evaporates the WO of 20 nanometer thickness then as metal level 6
3As hole transmission layer 7.To put on the spin coater carriage of glove box after the device taking-up, the speed spin coating solution concentration of changeing with per minute 500 is 80% the P3HT:PCBM mixture one minute that the quality of 20 mg/ml, PCBM accounts for gross mass, obtains the second layer active layer 8 of 150 nanometer thickness.
At last device is put into vacuum coating equipment and vacuumize, when vacuum degree reaches 4 * 10
-4The silver electrode of evaporating the CsF of 2 nanometer thickness and 60 nanometer thickness during Pascal is respectively as cathodic modification layer 9 and cathode layer 10.The effective area of battery is 12 square millimeters, and making structure is ITO/PEDOT:PSS (20nm)/P3HT:PCBM (50nm)/ZnO (50nm)/Ag (5nm)/WO
3(20nm)/the polymer stack solar cell of P3HT:PCBM (150nm)/CsF (2nm)/Ag (60nm).Device behind the electrode 110 ℃ of high-temperature thermal annealings 5 minutes in glove box have been steamed.
Embodiment 3:
Being solvent with the chlorobenzene, 40% and 80% P3HT:PCBM mixed solution 60 degree that the quality that concentration is respectively 10 mg/ml and 20 mg/ml, PCBM accounts for gross mass respectively added thermal agitation after 3 hours, stopped heating and continued to stir 12 hours.
Ito anode layer 2 is formed the ITO electro-conductive glass with glass substrate 1, and the fine strip shape ITO electro-conductive glass with certain width that etching is good cleans up and dries.Clean ito glass is placed on the carriage of spin coater, by 0.45 micron filtering head PEDOT:PSS solution evenly is coated with completely whole slice, thin piece, rotated one minute with the speed that per minute 1200 changes, make PEDOT:PSS form the film of one deck 100 nanometer thickness on the ITO surface, as anode modification layer 3, the baking oven of putting into 120 ℃ heated 30 minutes.
The ito substrate that scribbles PEDOT:PSS that baking is good is transferred in the glove box, treat to be placed on the spin coater carriage after the substrate cooling, is the solution concentration that stirs that 80% the P3HT:PCBM mixed solution that the quality of 20 mg/ml, PCBM accounts for gross mass is evenly coated on the ito substrate by filtering head, rotated one minute with the speed that per minute 500 changes, obtain the ground floor active layer 4 of 150 nanometer thickness.
The substrate that scribbles active layer is taken out in glove box with shifting bottle, be placed on the spin coater carriage, SnO with the absolute ethyl alcohol dilution
2Be coated in uniformly on the P3HT:PCBM by filtering head, rotated one minute, obtain the SnO of 15 nanometer thickness with the speed that per minute 2500 changes
2Layer is as electron transfer layer 5.To be coated with SnO
2The layer substrate transfer to once more in the glove box, in glove box on the hot platform 150 ℃ the heating 10 minutes.
After treating the substrate cooling, put into vacuum coating equipment and vacuumize, when vacuum degree reaches 4 * 10
-4The gold that evaporates 10 nanometer thickness during Pascal evaporates the WO of 5 nanometer thickness then as metal level 6
3As hole transmission layer 7.To put on the spin coater carriage of glove box after the device taking-up, the speed spin coating solution concentration of changeing with per minute 1000 is the P3HT:PCBM mixture one minute that the quality of 20 mg/ml, PCBM accounts for gross mass 40%, obtains the second layer active layer 8 of 50 nanometer thickness.
At last device is put into vacuum coating equipment and vacuumize, when vacuum degree reaches 4 * 10
-4The aluminium electrode of calcium 150 nanometers that evaporates the CaO of 3 nanometer thickness and 50 nanometer thickness during Pascal is respectively as cathodic modification layer 9 and cathode layer 10.The effective area of battery is 12 square millimeters, and making structure is ITO/PEDOT:PSS (100nm)/P3HT:PCBM (150nm)/SnO
2(15nm)/Au (10nm)/WO
3(5nm)/the polymer stack solar cell of P3HT:PCBM (50nm)/CaO (3nm)/Ca (50nm)/Al (150nm).Device behind the electrode 110 ℃ of high-temperature thermal annealings 5 minutes in glove box have been steamed.
Embodiment 4:
Being solvent with the chlorobenzene, 44% and 80% P3HT:PCBM mixed solution 60 degree that the quality that concentration is respectively 18 mg/ml and 20 mg/ml, PCBM accounts for gross mass respectively added thermal agitation after 3 hours, stopped heating and continued to stir 12 hours.
Ito anode layer 2 is formed the ITO electro-conductive glass with glass substrate 1, and the fine strip shape ITO electro-conductive glass with certain width that etching is good cleans up and dries.Clean ito glass is placed on the carriage of spin coater, by 0.45 micron filtering head PEDOT:PSS solution evenly is coated with completely whole slice, thin piece, rotated one minute with the speed that per minute 3000 changes, make PEDOT:PSS form the film of one deck 40 nanometer thickness on the ITO surface, as anode modification layer 3, the baking oven of putting into 120 ℃ heated 30 minutes.
The ito substrate that scribbles PEDOT:PSS that baking is good is transferred in the glove box, treat to be placed on the spin coater carriage after the substrate cooling, is the solution concentration that stirs that 44% the P3HT:PCBM mixed solution that the quality of 18 mg/ml, PCBM accounts for gross mass is evenly coated on the ito substrate by filtering head, rotated one minute with the speed that per minute 800 changes, obtain the ground floor active layer 4 of 100 nanometer thickness.
The substrate that scribbles active layer is taken out in glove box with shifting bottle, be placed on the spin coater carriage, TiO with the absolute ethyl alcohol dilution
xBe coated in uniformly on the P3HT:PCBM by filtering head, rotated one minute, obtain the TiO of 10 nanometer thickness with the speed that per minute 3000 changes
xLayer is as electron transfer layer 5.To be coated with TiO
xThe layer substrate transfer to once more in the glove box, in glove box on the hot platform 150 ℃ the heating 10 minutes.
After treating the substrate cooling, put into vacuum coating equipment and vacuumize, when vacuum degree reaches 4 * 10
-4The aluminium that evaporates 2 nanometer thickness during Pascal evaporates the WO of 20 nanometer thickness then as metal level 6
3As hole transmission layer 7.To put on the spin coater carriage of glove box after the device taking-up, the speed spin coating solution concentration of changeing with per minute 500 is 80% the P3HT:PCBM mixture one minute that the quality of 20 mg/ml, PCBM accounts for gross mass, obtains the second layer active layer 8 of 150 nanometer thickness.
At last device is put into vacuum coating equipment and vacuumize, when vacuum degree reaches 4 * 10
-4The silver electrode of evaporating the CsF of 2 nanometer thickness and 60 nanometer thickness during Pascal is respectively as cathodic modification layer 9 and cathode layer 10.The effective area of battery is 12 square millimeters, and making structure is ITO/PEDOT:PSS (40nm)/P3HT:PCBM (100nm)/TiO
x(10nm)/Al (2nm)/WO
3(20nm)/the polymer stack solar cell of P3HT:PCBM (150nm)/CsF (2nm)/Ag (60nm).Device behind the electrode 110 ℃ of high-temperature thermal annealings 5 minutes in glove box have been steamed.
Embodiment 5:
Being solvent with the chlorobenzene, 44% and 40% P3HT:PCBM mixed solution 60 degree that the quality that concentration is respectively 18 mg/ml and 10 mg/ml, PCBM accounts for gross mass respectively added thermal agitation after 3 hours, stopped heating and continued to stir 12 hours.
Ito anode layer 2 is formed the ITO electro-conductive glass with glass substrate 1, and the fine strip shape ITO electro-conductive glass with certain width that etching is good cleans up and dries.Clean ito glass is placed on the carriage of spin coater, by 0.45 micron filtering head PEDOT:PSS solution evenly is coated with completely whole slice, thin piece, rotated one minute with the speed that per minute 3000 changes, make PEDOT:PSS form the film of one deck 40 nanometer thickness on the ITO surface, as anode modification layer 3, the baking oven of putting into 120 ℃ heated 30 minutes.
The ito substrate that scribbles PEDOT:PSS that baking is good is transferred in the glove box, treat to be placed on the spin coater carriage after the substrate cooling, is the solution concentration that stirs that 44% the P3HT:PCBM mixed solution that the quality of 18 mg/ml, PCBM accounts for gross mass is evenly coated on the ito substrate by filtering head, rotated one minute with the speed that per minute 800 changes, obtain the ground floor active layer 4 of 100 nanometer thickness.
The substrate that scribbles active layer is taken out in glove box with shifting bottle, be placed on the spin coater carriage, TiO with the absolute ethyl alcohol dilution
xBe coated in uniformly on the P3HT:PCBM by filtering head, rotated one minute, obtain the TiO of 10 nanometer thickness with the speed that per minute 3000 changes
xLayer is as electron transfer layer 5.To be coated with TiO
xThe layer substrate transfer to once more in the glove box, in glove box on the hot platform 150 ℃ the heating 10 minutes.
After treating the substrate cooling, put into vacuum coating equipment and vacuumize, when vacuum degree reaches 4 * 10
-4The aluminium that evaporates 2 nanometer thickness during Pascal evaporates the WO of 5 nanometer thickness then as metal level 6
3As hole transmission layer 7.To put on the spin coater carriage of glove box after the device taking-up, the speed spin coating solution concentration of changeing with per minute 1500 is 40% the P3HT:PCBM mixture one minute that the quality of 10 mg/ml, PCBM accounts for gross mass, obtains the second layer active layer 8 of 50 nanometer thickness.
At last device is put into vacuum coating equipment and vacuumize, when vacuum degree reaches 4 * 10
-4The aluminium electrode of calcium 150 nanometers that evaporates the CaO of 3 nanometer thickness and 50 nanometer thickness during Pascal is respectively as cathodic modification layer 9 and cathode layer 10.The effective area of battery is 12 square millimeters, and making structure is ITO/PEDOT:PSS (40nm)/P3HT:PCBM (100nm)/TiO
x(10nm)/Al (2nm)/WO
3(5nm)/the polymer stack solar cell of P3HT:PCBM (50nm)/CaO (3nm)/Ca (50nm)/Al (150nm).Device behind the electrode 110 ℃ of high-temperature thermal annealings 5 minutes in glove box have been steamed.
Embodiment 6:
Being solvent with the chlorobenzene, 40% and 44% P3HT:PCBM mixed solution 60 degree that the quality that concentration is respectively 10 mg/ml and 18 mg/ml, PCBM accounts for gross mass respectively added thermal agitation after 3 hours, stopped heating and continued to stir 12 hours.
Ito anode layer 2 is formed the ITO electro-conductive glass with glass substrate 1, and the fine strip shape ITO electro-conductive glass with certain width that etching is good cleans up and dries.Clean ito glass is placed on the carriage of spin coater, by 0.45 micron filtering head PEDOT:PSS solution evenly is coated with completely whole slice, thin piece, rotated one minute with the speed that per minute 5000 changes, make PEDOT:PSS form the film of one deck 20 nanometer thickness on the ITO surface, as anode modification layer 3, the baking oven of putting into 120 ℃ heated 30 minutes.
The ito substrate that scribbles PEDOT:PSS that baking is good is transferred in the glove box, treat to be placed on the spin coater carriage after the substrate cooling, is the solution concentration that stirs that 40% the P3HT:PCBM mixed solution that the quality of 10 mg/ml, PCBM accounts for gross mass is evenly coated on the ito substrate by filtering head, rotated one minute with the speed that per minute 1000 changes, obtain the ground floor active layer 4 of 50 nanometer thickness.
The substrate that scribbles active layer is taken out in glove box with shifting bottle, be placed on the spin coater carriage, ZnO with the absolute ethyl alcohol dilution is coated on the P3HT:PCBM uniformly by filtering head, rotated one minute with the speed that per minute 1500 changes, the ZnO layer that obtains 50 nanometer thickness is as electron transfer layer 5.The substrate that has been coated with the ZnO layer is transferred in the glove box once more, in glove box on the hot platform 150 ℃ the heating 10 minutes.
After treating the substrate cooling, put into vacuum coating equipment and vacuumize, when vacuum degree reaches 4 * 10
-4The silver that evaporates 5 nanometer thickness during Pascal evaporates the MoO of 10 nanometer thickness then as metal level 6
3As hole transmission layer 7.To put on the spin coater carriage of glove box after the device taking-up, the speed spin coating solution concentration of changeing with per minute 800 is 44% the P3HT:PCBM mixture one minute that the quality of 18 mg/ml, PCBM accounts for gross mass, obtains the second layer active layer 8 of 100 nanometer thickness.
At last device is put into vacuum coating equipment and vacuumize, when vacuum degree reaches 4 * 10
-4The aluminium electrode that evaporates the LiF of 1 nanometer thickness and 100 nanometer thickness during Pascal is respectively as cathodic modification layer 9 and cathode layer 10.The effective area of battery is 12 square millimeters, and making structure is ITO/PEDOT:PSS (20nm)/P3HT:PCBM (50nm)/ZnO (50nm)/Ag (5nm)/MoO
3(10nm)/the polymer stack solar cell of P3HT:PCBM (100nm)/LiF (1nm)/Al (100nm).Device behind the electrode 110 ℃ of high-temperature thermal annealings 5 minutes in glove box have been steamed.
Embodiment 7:
Being solvent with the chlorobenzene, concentration is that 40% P3HT:PCBM mixed solution 60 degree that the quality of 10 mg/ml, PCBM accounts for gross mass added thermal agitation after 3 hours, stops heating and continues to stir 12 hours.
Ito anode layer 2 is formed the ITO electro-conductive glass with glass substrate 1, and the fine strip shape ITO electro-conductive glass with certain width that etching is good cleans up and dries.Clean ito glass is placed on the carriage of spin coater, by 0.45 micron filtering head PEDOT:PSS solution evenly is coated with completely whole slice, thin piece, rotated one minute with the speed that per minute 5000 changes, make PEDOT:PSS form the film of one deck 20 nanometer thickness on the ITO surface, as anode modification layer 3, the baking oven of putting into 120 ℃ heated 30 minutes.
The ito substrate that scribbles PEDOT:PSS that baking is good is transferred in the glove box, treat to be placed on the spin coater carriage after the substrate cooling, the P3HT:PCBM mixed solution that stirs is evenly coated on the ito substrate by filtering head, rotated one minute with the speed that per minute 1000 changes, obtain the ground floor active layer 4 of 50 nanometer thickness.
The substrate that scribbles active layer is taken out in glove box with shifting bottle, be placed on the spin coater carriage, ZnO with the absolute ethyl alcohol dilution is coated on the P3HT:PCBM uniformly by filtering head, rotated one minute with the speed that per minute 1500 changes, the ZnO layer that obtains 50 nanometer thickness is as electron transfer layer 5.The substrate that has been coated with the ZnO layer is transferred in the glove box once more, in glove box on the hot platform 150 ℃ the heating 10 minutes.
After treating the substrate cooling, put into vacuum coating equipment and vacuumize, when vacuum degree reaches 4 * 10
-4The silver that evaporates 5 nanometer thickness during Pascal evaporates the WO of 5 nanometer thickness then as metal level 6
3As hole transmission layer 7.Put on the spin coater carriage of glove box after will device taking out, the speed spin coating P3HT:PCBM mixture that changes with per minute 1,000 one minute obtains the second layer active layer 8 of 50 nanometer thickness.
At last device is put into vacuum coating equipment and vacuumize, when vacuum degree reaches 4 * 10
-4The aluminium electrode of calcium 150 nanometers that evaporates the CaO of 3 nanometer thickness and 50 nanometer thickness during Pascal is respectively as cathodic modification layer 9 and cathode layer 10.The effective area of battery is 12 square millimeters, and making structure is ITO/PEDOT:PSS (20nm)/P3HT:PCBM (50nm)/ZnO (50nm)/Ag (5nm)/WO
3(5nm)/the polymer stack solar cell of P3HT:PCBM (50nm)/CaO (3nm)/Ca (50nm)/Al (150nm).Device behind the electrode 110 ℃ of high-temperature thermal annealings 5 minutes in glove box have been steamed.
Embodiment 8:
Being solvent with the chlorobenzene, 80% and 44% P3HT:PCBM mixed solution 60 degree that the quality that concentration is respectively 20 mg/ml and 18 mg/ml, PCBM accounts for gross mass respectively added thermal agitation after 3 hours, stopped heating and continued to stir 12 hours.
Ito anode layer 2 is formed the ITO electro-conductive glass with glass substrate 1, and the fine strip shape ITO electro-conductive glass with certain width that etching is good cleans up and dries.Clean ito glass is placed on the carriage of spin coater, by 0.45 micron filtering head PEDOT:PSS solution evenly is coated with completely whole slice, thin piece, rotated one minute with the speed that per minute 1200 changes, make PEDOT:PSS form the film of one deck 100 nanometer thickness on the ITO surface, as anode modification layer 3, the baking oven of putting into 120 ℃ heated 30 minutes.
The ito substrate that scribbles PEDOT:PSS that baking is good is transferred in the glove box, treat to be placed on the spin coater carriage after the substrate cooling, is the solution concentration that stirs that 80% the P3HT:PCBM mixed solution that the quality of 20 mg/ml, PCBM accounts for gross mass is evenly coated on the ito substrate by filtering head, rotated one minute with the speed that per minute 500 changes, obtain the ground floor active layer 4 of 150 nanometer thickness.
The substrate that scribbles active layer is taken out in glove box with shifting bottle, be placed on the spin coater carriage, SnO with the absolute ethyl alcohol dilution
2Be coated in uniformly on the P3HT:PCBM by filtering head, rotated one minute, obtain the SnO of 15 nanometer thickness with the speed that per minute 2500 changes
2Layer is as electron transfer layer 5.To be coated with SnO
2The layer substrate transfer to once more in the glove box, in glove box on the hot platform 150 ℃ the heating 10 minutes.
After treating the substrate cooling, put into vacuum coating equipment and vacuumize, when vacuum degree reaches 4 * 10
-4The gold that evaporates 10 nanometer thickness during Pascal evaporates the MoO of 10 nanometer thickness then as metal level 6
3As hole transmission layer 7.To put on the spin coater carriage of glove box after the device taking-up, the speed spin coating solution concentration of changeing with per minute 800 is 44% the P3HT:PCBM mixture one minute that the quality of 18 mg/ml, PCBM accounts for gross mass, obtains the second layer active layer 8 of 100 nanometer thickness.
At last device is put into vacuum coating equipment and vacuumize, when vacuum degree reaches 4 * 10
-4The aluminium electrode that evaporates the LiF of 1 nanometer thickness and 100 nanometer thickness during Pascal is respectively as cathodic modification layer 9 and cathode layer 10.The effective area of battery is 12 square millimeters, and making structure is ITO/PEDOT:PSS (100nm)/P3HT:PCBM (150nm)/SnO
2(15nm)/Au (10nm)/MoO
3(10nm)/the polymer stack solar cell of P3HT:PCBM (100nm)/LiF (1nm)/Al (100nm).Device behind the electrode 110 ℃ of high-temperature thermal annealings 5 minutes in glove box have been steamed.
Embodiment 9:
Being solvent with the chlorobenzene, 80% P3HT:PCBM mixed solution 60 degree that the quality of concentration 20 mg/ml, PCBM accounts for gross mass added thermal agitation after 3 hours, stopped heating and continued to stir 12 hours.
Ito anode layer 2 is formed the ITO electro-conductive glass with glass substrate 1, and the fine strip shape ITO electro-conductive glass with certain width that etching is good cleans up and dries.Clean ito glass is placed on the carriage of spin coater, by 0.45 micron filtering head PEDOT:PSS solution evenly is coated with completely whole slice, thin piece, rotated one minute with the speed that per minute 1200 changes, make PEDOT:PSS form the film of one deck 100 nanometer thickness on the ITO surface, as anode modification layer 3, the baking oven of putting into 120 ℃ heated 30 minutes.
The ito substrate that scribbles PEDOT:PSS that baking is good is transferred in the glove box, treat to be placed on the spin coater carriage after the substrate cooling, the P3HT:PCBM mixed solution that stirs is evenly coated on the ito substrate by filtering head, rotated one minute with the speed that per minute 500 changes, obtain the ground floor active layer 4 of 150 nanometer thickness.
The substrate that scribbles active layer is taken out in glove box with shifting bottle, be placed on the spin coater carriage, SnO with the absolute ethyl alcohol dilution
2Be coated in uniformly on the P3HT:PCBM by filtering head,
Rotated one minute with the speed that per minute 2500 changes, obtain the SnO of 15 nanometer thickness
2Layer is as electron transfer layer 5.To be coated with SnO
2The layer substrate transfer to once more in the glove box, in glove box on the hot platform 150 ℃ the heating 10 minutes.
After treating the substrate cooling, put into vacuum coating equipment and vacuumize, when vacuum degree reaches 4 * 10
-4The gold that evaporates 10 nanometer thickness during Pascal evaporates the WO of 20 nanometer thickness then as metal level 6
3As hole transmission layer 7.Put on the spin coater carriage of glove box after will device taking out, the speed spin coating P3HT:PCBM mixture that changes with per minute 500 one minute obtains the second layer active layer 8 of 150 nanometer thickness.
At last device is put into vacuum coating equipment and vacuumize, when vacuum degree reaches 4 * 10
-4The silver electrode of evaporating the CsF of 2 nanometer thickness and 60 nanometer thickness during Pascal is respectively as cathodic modification layer 9 and cathode layer 10.The effective area of battery is 12 square millimeters, and making structure is ITO/PEDOT:PSS (100nm)/P3HT:PCBM (150nm)/Sn0
2(15nm)/Au (10nm)/W0
3(20nm)/the polymer stack solar cell of P3HT:PCBM (150nm)/CsF (2nm)/Ag (60nm).Device behind the electrode 110 ℃ of high-temperature thermal annealings 5 minutes in glove box have been steamed.
Table 1