CN109301070A - A kind of Bi2OS2Adulterate organic solar batteries and preparation method thereof - Google Patents
A kind of Bi2OS2Adulterate organic solar batteries and preparation method thereof Download PDFInfo
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Abstract
The invention belongs to area of solar cell, a kind of Bi2OS2 doping organic solar batteries and preparation method thereof are disclosed.The organic solar cell device of the doping includes cathode substrate, electron transfer layer, active layer, hole transmission layer and anode layer；The active layer is by P3HT/PCBM and Bi2OS2Powder adulterates.Doping organic solar batteries of the invention, by the Bi for adulterating high conductivity, high charge separation and preferable light absorptive in active layer2OS2Powder；Firstly, Bi2OS2Powder conductivity with higher can effectively promote the charge transfer efficiency of organic solar batteries；Secondly Bi2O2S separation of charge ability is excellent, can improve the separation of charge efficiency of active layer and reduce the compound of electron hole pair；Last Bi2OS2There is stronger visible absorption range, the light absorptive of active layer can be enhanced, the final photoelectric conversion efficiency for improving doping organic solar batteries.
Description
Technical field
The present invention relates to area of solar cell more particularly to a kind of doping organic solar batteries and preparation method thereof.
Background technique
Organic solar batteries are since its raw material sources is wide, handling ease, is easy to carry out physics and chemical modification, battery device
Part various structures, cheap, advantages of environment protection and receive significant attention.But organic solar batteries and traditional inorganic silicon
Solar battery is compared, and organic solar batteries are lower in photoelectric conversion efficiency, and which has limited it further to develop.
Organic solar batteries working principle are as follows: (1) light shines on active layer through ITO electrode, and active layer absorbs photon
Generate exciton；Exciton diffusion is at donor/acceptor interface；(2) hole is transferred in donor by the exciton in receptor, in donor
Exciton transfers an electron on receptor, and then realizes separation of charge；(3) electrons and holes are respectively along receptor and donor to cathode
With anode diffusion；(4) electrons and holes are collected by cathode and anode respectively on cathode and anodic interface, and thus generate photoelectricity
Stream and photovoltage.
Research shows that limitation organic solar batteries photoelectric conversion efficiency has two big factors: (1) dissociation of exciton and charge
Transmission, since the characteristic of organic matter itself leads to exciton dissociation low efficiency, and exciton diffusion length is short, and charge transfer efficiency is low etc.；
(2) the visible absorption range of organic solar batteries is not wide enough, causes only to absorb a part of sunlight.To this it has been proposed that
Organic active layer adds the material for taking into account absorption, separation of charge and charge transfer efficiency；Gustaf etc. is by Ir (ppy)3Incorporation
The device prepared in P3HT:PCBM system shows excellent exciton fission efficiency；Gold nano-crystal is added to by Heeger etc.
Find that active layer light abstraction width and charge transfer efficiency are all effectively promoted in P3HT:PCBM system；Huangzhong Yu
Active layer light abstraction width, exciton fission efficiency and charge transfer efficiency are found all Deng CuPc is mixed in P3HT:PCBM system
Effectively promoted.
Summary of the invention
The present invention provides a kind of Bi2OS2Organic solar batteries and preparation method thereof are adulterated, photoelectricity light can be improved in one kind
The doping organic solar batteries of photoelectric transformation efficiency.
Technical solution of the present invention is as follows.
A kind of Bi2OS2Organic solar batteries are adulterated, device includes cathode substrate, electron transfer layer, active layer, hole
Transport layer and anode layer；The active layer is by P3HT/PCBM and Bi2OS2Powder adulterates.
Further, the cathode substrate is selected from indium tin oxide glass (ITO)；The electron transfer layer is ZnO；It is described
Hole transmission layer is MoOx；The anode layer is silver.
Further, Bi in the active layer (03)2OS2It is 0.5~5% that powder, which adulterates mass percent,.
Further, the Bi2OS2The particle size of powder is 10~100nm.
Further, the Bi2OS2Material preparation method are as follows: take 1.5g Bi2O3With 0.245g NH3NH2CS is put into 50
It is stirred in the NaOH solution of~60ml 10~20 minutes, polytetrafluoroethylene (PTFE) autoclave then is set into said mixture transfer
In, and reacted 40~45 hours at 180~200 DEG C, last centrifugal filtration it is dry black powder Bi2OS2；The NaOH
Solution concentration is 0.3~0.5mol/L.
A kind of Bi2OS2The preparation method for adulterating organic solar batteries, includes the following steps:
Step 1: cleaning cathode substrate, and the cathode layer surface of the cathode substrate is surface-treated；
Step 2: passing through the surface-treated cathode layer surface of step 1 successively spin coating electron transfer layer and activity
Layer；The active layer is by P3HT/PCBM and Bi2OS2Powder adulterates；
Step 3: hole transmission layer and anode layer is successively deposited in the active layer surface described in step 2, doping is made
Organic solar batteries.
In the above method, in step 1, the cathode substrate processing includes: first successively with dish washing liquid, deionized water, third
Ketone, dehydrated alcohol, isopropanol are respectively cleaned by ultrasonic 15~20 minutes；This time dried in 70~80 DEG C of vacuum ovens；It is finally right
The cathode substrate surface of the cleaning, drying carries out 10~15 minutes Surface Treatment with Plasma.
In the above method, in step 2, the electron transfer layer the preparation method comprises the following steps: by ZnO solution be spin-coated on by place
On the cathode substrate surface managed, revolution is 4000~5000rpm, and the time is 30~40s；By the cathode base of the complete zinc oxide of spin coating
Bottom is made annealing treatment, and temperature is 180~200 DEG C, and the time is 50~60 minutes, and electron transport layer thickness is 4~5nm.
In the above method, in step 2, the active layer preparation process are as follows: first by Bi2OS2Powder mull is simultaneously dispersed in
In dichloro benzene solvent, above-mentioned mixed liquor ultrasonic disperse is filtered with 0.22 μm of organic filter, and calculate the filter liquor concentration；
Secondly Bi is added dropwise in P3HT and PCBM after mixing2OS2Filtrate be configured to mass concentration be 20mg/ml solution, stirring 10~
12 hours, adulterate Bi2OS2Mass percent is 0.5~5%；Finally spin coating active layer is molten in spin coating electron-transport layer surface
Liquid, revolution are 800~1000rpm, and the time is 30~40s, and active layer thickness is 180~200nm；The active layer spin coating is completed
2~3 hours naturally dries are placed afterwards, are then made annealing treatment 5~10 minutes with 100~150 DEG C.
In the above method, in step 2, the hole transmission layer is MoOx, with a thickness of 1~2nm；The anode layer is
Silver, with a thickness of 80~100nm.
Doping organic solar batteries of the invention, by adulterated in active layer high conductivity, high charge separation and
The Bi of preferable light absorptive2OS2Powder；Firstly, Bi2OS2Powder conductivity with higher, can effectively be promoted it is organic too
The charge transfer efficiency of positive energy battery；Secondly Bi2OS2Separation of charge ability is excellent, can improve the separation of charge efficiency of active layer simultaneously
Reduce the compound of electron hole pair；Last Bi2OS2There is stronger visible absorption range, the light absorptive of active layer can be enhanced, most
The photoelectric conversion efficiency of doping organic solar batteries is improved eventually.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of doping organic solar batteries of the invention.
Fig. 2 is the preparation method flow chart for adulterating organic solar cell device.
Fig. 3 is the current density and voltage relationship figure of the solar device of embodiment 1.
Specific embodiment
The present invention provides a kind of doping organic solar batteries, it includes cathode substrate 01, electron transfer layer as shown in Figure 1
02, active layer 03, hole transmission layer 04 and anode layer 05.The cathode substrate 01 is indium tin oxide glass (ITO).It is described
Electron transfer layer 02 is zinc oxide (ZnO), with a thickness of 5nm.The active layer is by P3HT/PCBM and Bi2OS2Powder doping
It forms, wherein P3HT is poly- 3- hexyl thiophene, and PCBM is [6,6]-phenyl-C61- methyl butyrate；Bi in the active layer2OS2Powder
Last doping mass percent is 0.5~5%, Bi2OS2Powder diameter size is 10~200nm；The Bi2OS2Material preparation side
Method are as follows: take 1.5g Bi2O3With 0.245g NH3NH2The NaOH (concentration is 0.3~0.5mol/L) that CS is put into 50~60ml is molten
It stirs, 10~20 minutes, then sets said mixture transfer in polytetrafluoroethylene (PTFE) autoclave, and 180~200 in liquid
It is reacted 40~45 hours at DEG C.Last centrifugal filtration it is dry black powder Bi2OS2.The active layer thickness is 200nm left
It is right.The hole transmission layer is that the hole transmission layer is MoOx, with a thickness of 2nm.The anode layer is silver, with a thickness of 80
~100nm.
The preparation process of above-mentioned doping organic solar batteries is as shown in Fig. 2, include the following steps:
Step 1 is successively respectively cleaned by ultrasonic 20 minutes with dish washing liquid, deionized water, acetone, dehydrated alcohol, isopropanol；This time
It is dried in 80 DEG C of vacuum ovens.
Step 2, the Surface Treatment with Plasma that 10 minutes are carried out to the cathode substrate surface (ITO) of the cleaning, drying, should
Processing method cleans ITO remained on surface organic matter etc. using the strong oxidizing property of ozone is generated under microwave, while can make ITO table
Face Lacking oxygen improves, and improves the work function on the surface ITO.
Step 3 is passing through the processed surface the ITO spin coating ZnO solution of step 2, and it is small that 1 is made annealing treatment under the conditions of 200 DEG C
When form electron transfer layer, with a thickness of 5nm.
Step 4, in above-mentioned electron-transport layer surface spin coating active layer solution；The active layer be by P3HT/PCBM with
Bi2OS2Powder adulterates, wherein Bi2OS2It is 0.5~5%, Bi that powder, which adulterates mass percent,2OS2Powder diameter size is
10~200nm, the active layer thickness are 200nm or so.The active layer preparation process are as follows: first by Bi2OS2Powder mull
And be dispersed in dichloro benzene solvent, above-mentioned mixed liquor ultrasonic disperse is filtered with 0.22 μm of organic filter, and calculate the filter
Liquid concentration；Secondly P3HT and PCBM is added dropwise to the above-mentioned Bi of certain mass ratio after mixing2OS2Filtrate is configured to mass concentration
It for the solution of 20mg/ml, stirs 12 hours, adulterates Bi2OS2Mass percent is 0.5~5%；Finally in electron-transport layer surface
Upper spin coating active layer solution, revolution 1000rpm, time 40s, active layer thickness are 200nm or so；The active layer spin coating
2~3 hours naturally dries are placed after the completion, are then made annealing treatment 5~10 minutes with 100~150 DEG C.
Hole transmission layer MoO is deposited in above-mentioned active layer surface in step 5x, with a thickness of 2nm.
Anode layer silver (Ag) is deposited in above-mentioned hole transport layer surface in step 6, with a thickness of 80~100nm.
Doping organic solar batteries are obtained after above-mentioned steps.
The present invention will be further specifically described in detail with reference to specific embodiments, but embodiments of the present invention are not
It is limited to this, for not specifically specified technological parameter, can refer to routine techniques progress.
Embodiment 1
The organic solar cell device structure of doping in the present embodiment 1 are as follows: ITO/ZnO/P3HT:PCBM:Bi2OS2/
MoOx/Ag。
The preparation process flow of above-mentioned doping organic solar batteries is as follows:
Step 1 is successively respectively cleaned by ultrasonic 20 minutes with dish washing liquid, deionized water, acetone, dehydrated alcohol, isopropanol；This time
It is dried in 80 DEG C of vacuum ovens.
Step 2, the Surface Treatment with Plasma that 10 minutes are carried out to the cathode substrate surface (ITO) of the cleaning, drying, should
Processing method cleans ITO remained on surface organic matter etc. using the strong oxidizing property of ozone is generated under microwave, while can make ITO table
Face Lacking oxygen improves, and improves the work function on the surface ITO.
Step 3 is passing through the processed surface the ITO spin coating ZnO solution of step 2, and it is small that 1 is made annealing treatment under the conditions of 200 DEG C
When form electron transfer layer, with a thickness of 5nm.
Step 4, in above-mentioned electron-transport layer surface spin coating active layer solution；The active layer be by P3HT/PCBM with
Bi2OS2Powder adulterates, wherein Bi2OS2It is 3%, Bi that powder, which adulterates mass percent,2OS2Powder diameter size be 10~
200nm, the active layer thickness are 200nm or so.The active layer preparation process are as follows: first by Bi2OS2Powder mull simultaneously divides
It is dispersed in dichloro benzene solvent, above-mentioned mixed liquor ultrasonic disperse is filtered with 0.22 μm of organic filter, and it is dense to calculate the filtrate
Degree；Secondly above-mentioned Bi is added dropwise in P3HT and PCBM (mass ratio 20mg:20mg) after mixing2OS2It is dense that filtrate is configured to quality
Degree is the solution of 20mg/ml, is stirred 12 hours, and Bi is adulterated2OS2Mass percent is 3%；Finally in electron-transport layer surface
Spin coating active layer solution, revolution 1000rpm, time 40s, active layer thickness are 200nm or so；The active layer spin coating is complete
At 2~3 hours naturally dries of rear placement, then made annealing treatment 5~10 minutes with 100~150 DEG C.
Hole transmission layer MoO is deposited in above-mentioned active layer surface in step 5x, with a thickness of 2nm.
Anode layer silver is deposited in above-mentioned hole transport layer surface in step 6, with a thickness of 80~100nm.
Doping organic solar batteries are obtained after above-mentioned steps.
Fig. 3 is the electric current in the doping organic solar batteries and comparative example of embodiment 1 undoped with organic solar batteries
Density and voltage curve figure；Wherein curve 1 is in comparative example undoped with organic solar batteries (structure are as follows: ITO/ZnO/
P3HT:PCBM/MoOx/ Ag) current density and voltage curve, curve 2 be embodiment 1 doping organic solar batteries (knot
Structure are as follows: ITO/ZnO/P3HT:PCBM:Bi2OS2/MoOx/ Ag) current density and voltage curve；From attached drawing 3 it can be seen that comparing
Undoped with its open-circuit voltage of organic solar batteries (V in exampleoc) it is 0.61V, short-circuit current density (Jsc) it is 8.34mA/cm2；It is real
Apply its open-circuit voltage of the doping organic solar batteries of example 1 (Voc) it is 0.63V, short-circuit current density (Jsc) it is 9.18mA/cm2。
This illustrates to adulterate Bi2OS2Separation of charge and charge transfer efficiency can be effectively improved later, to improve short-circuit current density.
Table 1
As can be found from Table 1, the short-circuit current density (J of embodiment 1sc) from 8.34mA/cm2Promote 9.18mA/cm2,
Fill factor (FF) is promoted from 60.59% to 66.57%, this illustrates doping Bi2OS2Its suction of later organic solar batteries
Ability, exciton dissociation efficiency and the carrier mobility for receiving light all effectively improve, so that solar cell photoelectric be made to convert
Efficiency is increased to 3.85% from 3.08%, and transfer efficiency improves 20%.
Embodiment 2
The organic solar cell device structure of doping in the present embodiment 2 are as follows: ITO/ZnO/P3HT:PCBM:Bi2OS2/
MoOx/Ag。
The preparation process flow of above-mentioned doping organic solar batteries is as follows:
Step 1 is successively respectively cleaned by ultrasonic 20 minutes with dish washing liquid, deionized water, acetone, dehydrated alcohol, isopropanol；This time
It is dried in 80 DEG C of vacuum ovens.
Step 2, the Surface Treatment with Plasma that 10 minutes are carried out to the cathode substrate surface (ITO) of the cleaning, drying, should
Processing method cleans ITO remained on surface organic matter etc. using the strong oxidizing property of ozone is generated under microwave, while can make ITO table
Face Lacking oxygen improves, and improves the work function on the surface ITO.
Step 3 is passing through the processed surface the ITO spin coating ZnO solution of step 2, and it is small that 1 is made annealing treatment under the conditions of 200 DEG C
When form electron transfer layer, with a thickness of 5nm.
Step 4, in above-mentioned electron-transport layer surface spin coating active layer solution；The active layer be by P3HT/PCBM with
Bi2OS2Powder adulterates, wherein Bi2OS2It is 0.5%, Bi that powder, which adulterates mass percent,2OS2Powder diameter size be 10~
200nm, the active layer thickness are 200nm or so.The active layer preparation process are as follows: first by Bi2OS2Powder mull simultaneously divides
It is dispersed in dichloro benzene solvent, above-mentioned mixed liquor ultrasonic disperse is filtered with 0.22 μm of organic filter, and it is dense to calculate the filtrate
Degree；Secondly above-mentioned Bi is added dropwise in P3HT and PCBM (mass ratio 20mg:20mg) after mixing2OS2It is dense that filtrate is configured to quality
Degree is the solution of 20mg/ml, is stirred 12 hours, and Bi is adulterated2OS2Mass percent is 0.5%；Finally in electron-transport layer surface
Upper spin coating active layer solution, revolution 1000rpm, time 40s, active layer thickness are 200nm or so；The active layer spin coating
2~3 hours naturally dries are placed after the completion, are then made annealing treatment 5~10 minutes with 100~150 DEG C.
Hole transmission layer MoO is deposited in above-mentioned active layer surface in step 5x, with a thickness of 2nm.
Anode layer silver is deposited in above-mentioned hole transport layer surface in step 6, with a thickness of 80~100nm.
Doping organic solar batteries are obtained after above-mentioned steps.
Embodiment 3
The organic solar cell device structure of doping in the present embodiment 3 are as follows: ITO/ZnO/P3HT:PCBM:Bi2OS2/
MoOx/Ag。
The preparation process flow of above-mentioned doping organic solar batteries is as follows:
Step 1 is successively respectively cleaned by ultrasonic 20 minutes with dish washing liquid, deionized water, acetone, dehydrated alcohol, isopropanol；This time
It is dried in 80 DEG C of vacuum ovens.
Step 2, the Surface Treatment with Plasma that 10 minutes are carried out to the cathode substrate surface (ITO) of the cleaning, drying, should
Processing method cleans ITO remained on surface organic matter etc. using the strong oxidizing property of ozone is generated under microwave, while can make ITO table
Face Lacking oxygen improves, and improves the work function on the surface ITO.
Step 3 is passing through the processed surface the ITO spin coating ZnO solution of step 2, and it is small that 1 is made annealing treatment under the conditions of 200 DEG C
When form electron transfer layer, with a thickness of 5nm.
Step 4, in above-mentioned electron-transport layer surface spin coating active layer solution；The active layer be by P3HT/PCBM with
Bi2OS2Powder adulterates, wherein Bi2OS2It is 1%, Bi that powder, which adulterates mass percent,2OS2Powder diameter size be 10~
200nm, the active layer thickness are 200nm or so.The active layer preparation process are as follows: first by Bi2OS2Powder mull simultaneously divides
It is dispersed in dichloro benzene solvent, above-mentioned mixed liquor ultrasonic disperse is filtered with 0.22 μm of organic filter, and it is dense to calculate the filtrate
Degree；Secondly above-mentioned Bi is added dropwise in P3HT and PCBM (mass ratio 20mg:20mg) after mixing2OS2It is dense that filtrate is configured to quality
Degree is the solution of 20mg/ml, is stirred 12 hours, and Bi is adulterated2OS2Mass percent is 1%；Finally in electron-transport layer surface
Spin coating active layer solution, revolution 1000rpm, time 40s, active layer thickness are 200nm or so；The active layer spin coating is complete
At 2~3 hours naturally dries of rear placement, then made annealing treatment 5~10 minutes with 100~150 DEG C.
Hole transmission layer MoO is deposited in above-mentioned active layer surface in step 5x, with a thickness of 2nm.
Anode layer silver is deposited in above-mentioned hole transport layer surface in step 6, with a thickness of 80~100nm.
Doping organic solar batteries are obtained after above-mentioned steps.
Embodiment 4
The organic solar cell device structure of doping in the present embodiment 4 are as follows: ITO/ZnO/P3HT:PCBM:Bi2OS2/
MoOx/Ag。
The preparation process flow of above-mentioned doping organic solar batteries is as follows:
Step 1 is successively respectively cleaned by ultrasonic 20 minutes with dish washing liquid, deionized water, acetone, dehydrated alcohol, isopropanol；This time
It is dried in 80 DEG C of vacuum ovens.
Step 2, the Surface Treatment with Plasma that 10 minutes are carried out to the cathode substrate surface (ITO) of the cleaning, drying, should
Processing method cleans ITO remained on surface organic matter etc. using the strong oxidizing property of ozone is generated under microwave, while can make ITO table
Face Lacking oxygen improves, and improves the work function on the surface ITO.
Step 3 is passing through the processed surface the ITO spin coating ZnO solution of step 2, and it is small that 1 is made annealing treatment under the conditions of 200 DEG C
When form electron transfer layer, with a thickness of 5nm.
Step 4, in above-mentioned electron-transport layer surface spin coating active layer solution；The active layer be by P3HT/PCBM with
Bi2OS2Powder adulterates, wherein Bi2OS2It is 5%, Bi that powder, which adulterates mass percent,2OS2Powder diameter size be 10~
200nm, the active layer thickness are 200nm or so.The active layer preparation process are as follows: first by Bi2OS2Powder mull simultaneously divides
It is dispersed in dichloro benzene solvent, above-mentioned mixed liquor ultrasonic disperse is filtered with 0.22 μm of organic filter, and it is dense to calculate the filtrate
Degree；Secondly above-mentioned Bi is added dropwise in P3HT and PCBM (mass ratio 20mg:20mg) after mixing2OS2It is dense that filtrate is configured to quality
Degree is the solution of 20mg/ml, is stirred 12 hours, and Bi is adulterated2OS2Mass percent is 5%；Finally in electron-transport layer surface
Spin coating active layer solution, revolution 1000rpm, time 40s, active layer thickness are 200nm or so；The active layer spin coating is complete
At 2~3 hours naturally dries of rear placement, then made annealing treatment 5~10 minutes with 100~150 DEG C.
Hole transmission layer MoO is deposited in above-mentioned active layer surface in step 5x, with a thickness of 2nm.
Anode layer silver is deposited in above-mentioned hole transport layer surface in step 6, with a thickness of 80~100nm.
Doping organic solar batteries are obtained after above-mentioned steps.
Embodiment described above only represents several embodiments of the invention, and description is more specific detailed, but not
It can be therefore understands that being limitations on the scope of the patent of the present invention.It is noted that for being engaged in for those skilled in the art,
Under the premise of not being detached from present inventive concept, several changes and improvements can also be made, these belong to protection model of the invention
It encloses.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of Bi2OS2Adulterate organic solar batteries, which is characterized in that its device includes cathode substrate (01), electron-transport
Layer (02), active layer (03), hole transmission layer (04) and anode layer (05)；The active layer (03) by P3HT/PCBM with
Bi2OS2Powder adulterates.
2. Bi according to claim 12OS2Adulterate organic solar batteries, which is characterized in that cathode substrate (01) choosing
From indium tin oxide glass (ITO)；The electron transfer layer (02) is ZnO；The hole transmission layer (04) is MoOx；The sun
Pole layer (05) is silver.
3. Bi according to claim 12OS2Adulterate organic solar batteries, which is characterized in that in the active layer (03)
Bi2OS2It is 0.5 ~ 5% that powder, which adulterates mass percent,.
4. Bi according to claim 12OS2Adulterate organic solar batteries, which is characterized in that the Bi2OS2The partial size of powder
Size is 10 ~ 100nm.
5. Bi according to claim 12OS2Adulterate organic solar batteries, which is characterized in that the Bi2OS2Material preparation side
Method are as follows: take 1.5 g Bi2O3With 0.245 g NH3NH2CS, which is put into the NaOH solution of 50 ~ 60 ml, stirs 10 ~ 20 minutes, so
Said mixture transfer is set in polytetrafluoroethylene (PTFE) autoclave afterwards, and reacts 40 ~ 45 hours at 180 ~ 200 DEG C, finally
Centrifugal filtration it is dry black powder Bi2OS2；The NaOH solution concentration is 0.3 ~ 0.5 mol/L.
6. Bi described in claim 12OS2Adulterate the preparation method of organic solar batteries, which comprises the steps of:
Step 1: cleaning cathode substrate, and the cathode layer surface of the cathode substrate is surface-treated；
Step 2: passing through the surface-treated cathode layer surface of step 1 successively spin coating electron transfer layer and active layer；
The active layer is by P3HT/PCBM and Bi2OS2Powder adulterates；
Step 3: hole transmission layer and anode layer is successively deposited in the active layer surface described in step 2, it is organic that doping is made
Solar battery.
7. Bi according to claim 62OS2Adulterate the preparation method of organic solar batteries, which is characterized in that in step 1,
The cathode substrate processing includes: successively respectively to be cleaned by ultrasonic with dish washing liquid, deionized water, acetone, dehydrated alcohol, isopropanol first
15 ~ 20 minutes；This time dried in 70 ~ 80 DEG C of vacuum ovens；Finally the cathode substrate surface of the cleaning, drying is carried out
10 ~ 15 minutes Surface Treatment with Plasma.
8. Bi according to claim 62OS2Adulterate the preparation method of organic solar batteries, which is characterized in that in step 2,
The electron transfer layer the preparation method comprises the following steps: being spin-coated on ZnO solution by processed cathode substrate surface, revolution is
4000 ~ 5000rpm, time are 30 ~ 40s；The cathode substrate of the complete zinc oxide of spin coating is made annealing treatment, temperature is 180 ~ 200
DEG C, the time is 50 ~ 60 minutes, and electron transport layer thickness is 4 ~ 5nm.
9. Bi according to claim 62OS2Adulterate the preparation method of organic solar batteries, which is characterized in that in step 2,
The active layer preparation process are as follows: first by Bi2OS2Powder mull is simultaneously dispersed in dichloro benzene solvent, by above-mentioned mixed liquor ultrasound
Dispersion is filtered with 0.22 μm of organic filter, and calculates the filter liquor concentration；Secondly P3HT and PCBM is added dropwise after mixing
Bi2OS2Filtrate is configured to the solution that mass concentration is 20mg/ml, stirs 10 ~ 12 hours, adulterates Bi2OS2Mass percent is
0.5~5%；The finally spin coating active layer solution in spin coating electron-transport layer surface, revolution be 800 ~ 1000rpm, the time be 30 ~
40s, active layer thickness are 180 ~ 200nm；2 ~ 3 hours naturally dries are placed after the completion of the active layer spin coating, then with 100 ~
150 DEG C make annealing treatment 5 ~ 10 minutes.
10. Bi according to claim 62OS2Adulterate the preparation method of organic solar batteries, which is characterized in that step 2
In, the hole transmission layer is MoOx, with a thickness of 1 ~ 2nm；The anode layer is silver, with a thickness of 80 ~ 100nm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810824964.6A CN109301070B (en) | 2018-07-25 | 2018-07-25 | Bi2OS2Doped organic solar cell and preparation method thereof |
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| CN201810824964.6A CN109301070B (en) | 2018-07-25 | 2018-07-25 | Bi2OS2Doped organic solar cell and preparation method thereof |
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| CN109301070A true CN109301070A (en) | 2019-02-01 |
| CN109301070B CN109301070B (en) | 2020-08-18 |
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| CN111682111A (en) * | 2020-05-20 | 2020-09-18 | 华南理工大学 | PBDB-T ITIC α -In2Se3Organic solar cell as active layer and method for manufacturing the same |
| CN112909176A (en) * | 2021-01-25 | 2021-06-04 | 华南理工大学 | Organic solar cell with active layer doped with GeSe two-dimensional nanomaterial and preparation method thereof |
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| CN112909176A (en) * | 2021-01-25 | 2021-06-04 | 华南理工大学 | Organic solar cell with active layer doped with GeSe two-dimensional nanomaterial and preparation method thereof |
| CN112909176B (en) * | 2021-01-25 | 2022-07-29 | 华南理工大学 | Organic solar cell with active layer doped with GeSe two-dimensional nanomaterial and preparation method thereof |
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