CN104051627B - A kind of preparation method of laminated organic solar cell in parallel - Google Patents
A kind of preparation method of laminated organic solar cell in parallel Download PDFInfo
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- CN104051627B CN104051627B CN201410276254.6A CN201410276254A CN104051627B CN 104051627 B CN104051627 B CN 104051627B CN 201410276254 A CN201410276254 A CN 201410276254A CN 104051627 B CN104051627 B CN 104051627B
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- H—ELECTRICITY
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- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
- H10K71/50—Forming devices by joining two substrates together, e.g. lamination techniques
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- H10K30/00—Organic devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation
- H10K30/20—Organic devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation comprising organic-organic junctions, e.g. donor-acceptor junctions
- H10K30/211—Organic devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation comprising organic-organic junctions, e.g. donor-acceptor junctions comprising multiple junctions, e.g. double heterojunctions
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Abstract
The invention discloses a kind of preparation method of improved laminated organic solar cell in parallel, the present invention dexterously eliminates the intermediate connecting layer in conventional stacked architectures by lamination, two kinds of donor materials are made to form the sub- batteries of bulk heterojunction structure with a kind of acceptor material respectively, make two to there is active layer to be joined directly together to connect, the efficiency of laminated cell is further improved.Due to the disappearance of intermediate connecting layer, it is to avoid light is conducive to effective absorption of the device to light by subsidiary absorption at this layer；The resistance for avoiding its presence and introducing, is conducive to the raising of device electric property；The number of layers for making laminated cell total greatly reduces, and structure is greatly simplified, and this causes manufacturing process simpler, and technological process is more easy to control, and therefore device cost also substantially reduces.
Description
Technical field：
The invention belongs to microelectronics technology, and in particular to be a kind of preparation of laminated organic solar cell in parallel
Method.
Background technology：
With sharply increasing and continuous attention to environmental protection for energy demand, people get over for the demand of clean energy resource
Come bigger.Solar energy is inexhaustible, nexhaustible, cheap pollution-free, is the energy that the mankind can freely be used, and the sun
Energy battery is the effective means using solar energy.But the high cost of prevailing silica-based solar cell is hindered significantly
Its development and popularization.And organic material has that cost is low, the absorption coefficient of light is high, quality is light, pliability is good, manufacturing process is simple
The advantages of, its application in solar cells is caused the extensive concern of people.Organic solar batteries turn into most to be had
One of desired solar battery technology of future generation, is also the focus in world solar energy research field.
But the absorption spectrum of organic material and solar spectrum mismatch the caused efficiency such as absorption loss water and heat loss and damaged
The presence of disabling mechanism greatly limit the raising of organic solar batteries performance, and therefore laminated construction also enjoys the concern of people.
Laminated construction has obvious advantage in terms of device overall performance is improved.Absorption loss water can be by laminated construction significantly first
Reduction.In laminated construction, it is superimposed, is formed between these material absorption spectras before and after the organic material of different energy gaps
Complementation, can increase absorption spectral width of the material to light to greatest extent, reduce the mismatch of material absorption spectra and solar spectrum.
In addition, heat loss can also be substantially reduced by laminated construction.In laminated construction, it is possible to use the narrower material of energy gap
The relatively low photon of energy is absorbed so as to obtain the relatively low exciton of energy, and it is higher to absorb energy using the wider material of energy gap
Photon is so as to obtain the higher exciton of energy, so the energy that material absorbs the hot carrier formed after photon can be reduced, so that
Substantially reduce the heat loss during hot carrier to excitonic relaxation.
But traditional lamination solar cell structure also has obvious shortcoming.In traditional laminated construction, each
It must be connected between sub- batteries by intermediate layer and formed a whole.There is obvious defect in this structure design.First,
Incident light has to pass through intermediate connecting layer, therefore intermediate connecting layer pair before entering another sub- batteries from a sub- batteries
The absorption of light is inevitable, and this can reduce the performance of device.In order to which the effective absorption for increasing light needs intermediate connecting layer to try one's best
Bright, this proposes very harsh requirement to its optical property.In addition, intermediate connecting layer will also ensure two sub- batteries in electricity
It is effectively connected on, it is therefore desirable to which interlayer resistance is as far as possible low, this also proposes requirement to its electric property.And connect in the middle of improving
The optical property and electric property for connecing layer are often what is contradicted in practice.In addition, each height economize on electricity in conventional stacked architectures
The mode of simple superposition can sharply increase number of layers contained by device between pond.The total number of plies of device not only includes each height and economized on electricity
The number of plies of pond inherently also includes the number of plies of intermediate connecting layer, and in actual applications, intermediate connecting layer typically at least includes
Two layers.So many number of layers make device architecture become complicated, and manufacture craft difficulty is also greatly increased.These shortcomings are final all
The technology difficulty and cost of element manufacturing can be increased, and then the cost advantage of organic solar batteries is weakened or even is lost.
For these problems for overcoming traditional laminated cell to be faced, we have proposed a kind of simple organic lamination sun
Can battery structure (patent applied for).We make use of the photoelectric conversion processes of organic solar batteries dependent on donor material and
This feature of acceptor material interface, makes two kinds of donor materials share same acceptor material, so that it is folded dexterously to eliminate tradition
Intermediate connecting layer in Rotating fields, makes CuPc (CuPc) materials form bilayer with PCBM (a kind of derivative of fullerene) material
Hetero-junction solar cell, the exciton produced by CuPc extinctions can be collected effectively in CuPc/PCBM interfacial separations and then by electrode；Together
When PCBM and a kind of P3HT (polymer of 3- hexyl thiophenes) material formation bulk heterojunction battery, the exciton that P3HT extinctions are produced exists
PCBM: P3HT interfacial separation of mixed layer is scattered in, and then is collected by electrode.This structure is called simple lamination in parallel by we
Organic solar energy cell structure.
But this structure and imperfections, also there is the defect of its own.Simple parallel connection laminated organic solar cell is past
It is past to include the sub- batteries of bulk heterojunction and the sub- batteries of double layer heterojunction.Wherein, bulk heterojunction section device is one
Individual effective solar cell device.In bulk heterojunction battery, donor material and acceptor material form the intersection run through mutually
Network, while ensure that effective exciton dissociation and the transmission of effective electric charge, efficient organic solar device is mostly now
Based on bulk heterojunction structure.But, another double layer heterojunction section device in this laminated cell, which is not one, to be had
The solar cell device of effect, its presence strongly limit the overall performance of laminated device.
The content of the invention：
It is an object of the invention to overcome the shortcomings of above-mentioned conventional stacked architectures, and to simple laminated organic solar in parallel
Battery structure is improved, and the sub- batteries of the double layer heterojunction included are replaced with bulk heterojunction structure to provide a kind of in parallel folded
The preparation method of layer organic solar batteries.
In order to solve the problems existing in background technology, the present invention uses following technical scheme：
A kind of preparation method of laminated organic solar cell in parallel, step includes as follows：
(1) glass of the surface with indium tin oxide ITO is stained with zinc powder and hydrochloric acid etch away sections ITO with cotton swab, made
Part exposes nonconducting glass surface, and then ito glass is cleaned；
(2) the polymer P EDOT that ito glass surface after etching passes through whirl coating spin coating 3,4-ethylene dioxythiophene monomer
PEDOT: the PSS hole transmission layer that thickness is 50-70nm is obtained with the mode of poly styrene sulfonate PSS mixed solution；
(3) sample is toasted on agitating and heating platform after whirl coating terminates, temperature is 120 DEG C, and the time is 1h；
(4) the polymer P 3HT and the derivative PCBM of fullerene 3- hexyl thiophenes expected, which is not dissolved in 1,2- chlorobenzenes, forms dense
The solution for 18mg/ml is spent, P3HT: PCBM mixed liquor is configured at 1: 0.8 by volume by P3HT: PCBM；Diketone pyrrolo-
Azole polymer pBBTDPP2 and PCBM are dissolved in the solution for forming that concentration is 18mg/ml in 1,2- chlorobenzenes respectively, pBBTDPP2
Connect volume ratio 1: 2 again with PCBM and be configured to mixed liquor；
(5) being moved to covered with PEDOT: PSS ito glass on the whirl coating platform in casing the middle preparation of step (3), leads to
The mode for crossing above-mentioned P3HT: the PCBM mixed liquor of whirl coating spin coating obtains thickness for 80-100nm on PEDOT: PSS hole transmission layer
P3HT: PCBM have active layer；
(6) glass is moved in the metallic room of integrated multi-source multicell coating system, the mode of deposited by electron beam evaporation is in glass
Evaporation thickness is 100nm Al cathode layers on glass substrate；
(7) thickness is obtained on the Al cathode layers by way of above-mentioned pBBTDPP2: the PCBM mixed liquor of whirl coating spin coating
PBBTDPP2: PCBM for 80-100nm has active layer；
(8) sample that step (7) is prepared is inverted on the sample for being laminated to and being prepared in step (5), is subsequently placed into hand
In casing, annealing operation is carried out.
Wherein, in step (2), PEDOT and PSS mix proportionses are weight than 1: 6, and the rotating speed of whirl coating platform is per minute
Rotating speed 2000-3000rpms, rotation time is 60-90s；It is described on PEDOT: PSS hole transmission layer in step (5)
It is that 80-100nm P3HT: PCBM has active layer to prepare thickness by whirl coating mode, and its process conditions is as follows：The rotating speed of whirl coating platform is
1000-1500rpms, the time is 40-60s；In step (6), the described mode of deposited by electron beam evaporation on a glass substrate is deposited
Thickness is 100nm Al cathode layers, and its process conditions is as follows：The vacuum of metallic room is 4 × 10-4Pa；In step (7), institute
State to prepare thickness by whirl coating mode on Al cathode layers be that 80-100nm pBBTDPP2: PCBM has active layer, its technique bar
Part is as follows：The rotating speed of whirl coating platform is 1000-1500rpms, and the time is 40-60s；In step (8), what glove box led to is high-purity
Nitrogen, corresponding water oxygen content is both less than 1ppm (hundred a ten thousandths), and annealing temperature is 140-150 DEG C, and the time is 10-15min.
Present invention contrast prior art, there is following beneficial effect：The present invention is dexterously eliminated in conventional stacked architectures
Intermediate connecting layer, two kinds of donor materials (pBBTDPP2 and P3HT) is formd body with a kind of acceptor material (PCBM) respectively different
The sub- batteries of matter junction structure, make two to have active layer to be joined directly together and connect, the efficiency of laminated cell is further improved.
Due to the disappearance of intermediate connecting layer, it is to avoid light is conducive to effective absorption of the device to light by subsidiary absorption at this layer；Keep away
The resistance exempted from its presence and introduced, is conducive to the raising of device electric property；Make the total number of layers of laminated cell significantly
Reduce, structure greatly simplifies, this causes manufacturing process simpler, and technological process is more easy to control, device cost drops also therefore significantly
It is low.
Brief description of the drawings：
Fig. 1 is the simple laminated organic solar cell growth flow chart in parallel of the present invention.
Fig. 2 is the simple laminated organic solar cell structural representation in parallel of the present invention.
Embodiment：
The invention will be further described with reference to the accompanying drawings and detailed description：
Reference picture 1, the present invention provides following examples：
Embodiment 1：
The present invention's realizes that step is as follows：
Step 1, substrate is performed etching, cleaned.
Glass of the surface with ITO is stained with zinc powder and hydrochloric acid etch away sections ITO with cotton swab, exposes part non-conductive
Glass surface, then the ito glass etched be sequentially placed into detergent, deionized water, acetone and ethanol carry out ultrasound
Cleaning, each ultrasound 15min.The cleaning process of glass is as ito glass.
Step 2, PEDOT: the PSS hole transmission layer that thickness is 60nm is prepared.
Ito glass after above-mentioned etching, cleaning is dried up with nitrogen gun, then obtained on its surface by way of whirl coating spin coating
To PEDOT: the PSS hole transmission layer that thickness is 60nm, the rotating speed of whirl coating platform is 3000rpms, and the time is 60s.
Step 3, drying and processing is carried out to sample.
Whirl coating is toasted after terminating on agitating and heating platform to sample, and temperature is 120 DEG C, and the time is 1h.
Step 4, P3HT: PCBM and pBBTDPP2: PCBM mixed liquor is configured.
P3HT and PCBM are dissolved in respectively the solution that concentration is 18mg/ml is formed in 1,2- chlorobenzenes, then by volume 1: 0.8
It is configured to mixed liquor；PBBTDPP2 and PCBM are dissolved in 1,2- chlorobenzenes respectively and form solution of the concentration for 18mg/ml, then presses body
Product is configured to mixed liquor than 1: 2.
Step 5, it is that 80nm P3HT: PCBM has active layer to prepare thickness.
Sample is moved on the whirl coating platform in glove box, by way of above-mentioned P3HT: the PCBM mixed liquor of whirl coating spin coating
It is that 80nm P3HT: PCBM has active layer that thickness is obtained on PEDOT: the PSS hole transmission layer, and the rotating speed of whirl coating platform is
1200rpms, the time is 60s.
Step 6, the Al cathode layers that thickness is 100nm are prepared on a glass substrate.
In the metallic room for glass being moved to integrated multi-source multicell coating system, the mode of deposited by electron beam evaporation is in glass lined
Evaporation thickness is 100nm Al cathode layers on bottom, and the vacuum of metallic room is 4 × 10-4Pa；
Step 7, it is that 80nm pBBTDPP2: PCBM has active layer to prepare thickness.
Obtaining thickness on the Al cathode layers by way of above-mentioned pBBTDPP2: the PCBM mixed liquor of whirl coating spin coating is
PBBTDPP2: PCBM of 80nm has active layer, and the rotating speed of whirl coating platform is 1200rpms, and the time is 60s.
Step 8, laminate samples and made annealing treatment.
The sample that step (7) is prepared is inverted on the sample for being laminated to and being prepared in step (5), is then casing
(nitrogen atmosphere encloses) is inner to carry out annealing operation.What glove box led to is high pure nitrogen, and corresponding water oxygen content is both less than (million points of 1ppm
One of), annealing temperature is 150 DEG C, and the time is 10min.
Reference picture 2, the simple laminated organic solar cell in parallel made according to the above method of the present invention, it is from bottom to top
It is the glass substrate that thickness is 1mm successively, thickness is 180nm ito anode layer, and PEDOT: the PSS hole that thickness is 60nm is passed
Defeated layer, thickness has active layer for P3HT: PCBM of 80nm, and thickness has active layer for pBBTDPP2: PCBM of 80nm, and thickness is 100nm
Al cathode layers.
Embodiment 2：
The present invention's realizes that step is as follows：
Step 1, substrate is performed etching, cleaned.
Glass of the surface with ITO is stained with zinc powder and hydrochloric acid etch away sections ITO with cotton swab, exposes part non-conductive
Glass surface, then the ito glass etched be sequentially placed into detergent, deionized water, acetone and ethanol carry out ultrasound
Cleaning, each ultrasound 15min.The cleaning process of glass is as ito glass.
Step 2, PEDOT: the PSS hole transmission layer that thickness is 50nm is prepared.
Ito glass after above-mentioned etching, cleaning is dried up with nitrogen gun, then obtained on its surface by way of whirl coating spin coating
To PEDOT: the PSS hole transmission layer that thickness is 50nm, the rotating speed of whirl coating platform is 3000rpms, and the time is 70s.
Step 3, drying and processing is carried out to sample.
Whirl coating is toasted after terminating on agitating and heating platform to sample, and temperature is 120 DEG C, and the time is 1h.
Step 4, P3HT: PCBM and pBBTDPP2: PCBM mixed liquor is configured.
P3HT and PCBM are dissolved in respectively the solution that concentration is 18mg/ml is formed in 1,2- chlorobenzenes, then by volume 1: 0.8
It is configured to mixed liquor；PBBTDPP2 and PCBM are dissolved in 1,2- chlorobenzenes respectively and form solution of the concentration for 18mg/ml, then presses body
Product is configured to mixed liquor than 1: 2.
Step 5, it is that 80nm P3HT: PCBM has active layer to prepare thickness.
Sample is moved on the whirl coating platform in glove box, by way of above-mentioned P3HT: the PCBM mixed liquor of whirl coating spin coating
It is that 80nm P3HT: PCBM has active layer that thickness is obtained on PEDOT: the PSS hole transmission layer, and the rotating speed of whirl coating platform is
1200rpms, the time is 60s.
Step 6, the Al cathode layers that thickness is 100nm are prepared on a glass substrate.
In the metallic room for glass being moved to integrated multi-source multicell coating system, the mode of deposited by electron beam evaporation is in glass lined
Evaporation thickness is 100nm Al cathode layers on bottom, and the vacuum of metallic room is 4 × 10-4Pa；
Step 7, it is that 90nm pBBTDPP2: PCBM has active layer to prepare thickness.
Obtaining thickness on the Al cathode layers by way of above-mentioned pBBTDPP2: the PCBM mixed liquor of whirl coating spin coating is
PBBTDPP2: PCBM of 90nm has active layer, and the rotating speed of whirl coating platform is 1000rpms, and the time is 60s.
Step 8, laminate samples and made annealing treatment.
The sample that step (7) is prepared is inverted on the sample for being laminated to and being prepared in step (5), is then casing
(nitrogen atmosphere encloses) is inner to carry out annealing operation.What glove box led to is high pure nitrogen, and corresponding water oxygen content is both less than (million points of 1ppm
One of), annealing temperature is 140 DEG C, and the time is 15min.
Reference picture 2, the simple laminated organic solar cell in parallel made according to the above method of the present invention, it is from bottom to top
It is the glass substrate that thickness is 1mm successively, thickness is 180nm ito anode layer, and PEDOT: the PSS hole that thickness is 50nm is passed
Defeated layer, thickness has active layer for P3HT: PCBM of 80nm, and thickness has active layer for pBBTDPP2: PCBM of 90nm, and thickness is 100nm
Al cathode layers.
Embodiment 3：
The present invention's realizes that step is as follows：
Step 1, substrate is performed etching, cleaned.
Glass of the surface with ITO is stained with zinc powder and hydrochloric acid etch away sections ITO with cotton swab, exposes part non-conductive
Glass surface, then the ito glass etched be sequentially placed into detergent, deionized water, acetone and ethanol carry out ultrasound
Cleaning, each ultrasound 15min.The cleaning process of glass is as ito glass.
Step 2, PEDOT: the PSS hole transmission layer that thickness is 70nm is prepared.
Ito glass after above-mentioned etching, cleaning is dried up with nitrogen gun, then obtained on its surface by way of whirl coating spin coating
To PEDOT: the PSS hole transmission layer that thickness is 70nm, the rotating speed of whirl coating platform is 2000rpms, and the time is 60s.
Step 3, drying and processing is carried out to sample.
Whirl coating is toasted after terminating on agitating and heating platform to sample, and temperature is 120 DEG C, and the time is 1h.
Step 4, P3HT: PCBM and pBBTDPP2: PCBM mixed liquor is configured.
P3HT and PCBM are dissolved in respectively the solution that concentration is 18mg/ml is formed in 1,2- chlorobenzenes, then by volume 1: 0.8
It is configured to mixed liquor；PBBTDPP2 and PCBM are dissolved in 1,2- chlorobenzenes respectively and form solution of the concentration for 18mg/ml, then presses body
Product is configured to mixed liquor than 1: 2.
Step 5, it is that 100nm P3HT: PCBM has active layer to prepare thickness.
Sample is moved on the whirl coating platform in glove box, by way of above-mentioned P3HT: the PCBM mixed liquor of whirl coating spin coating
It is that 100nm P3HT: PCBM has active layer that thickness is obtained on PEDOT: the PSS hole transmission layer, and the rotating speed of whirl coating platform is
1000rpms, the time is 60s.
Step 6, the Al cathode layers that thickness is 100nm are prepared.
In the metallic room for glass being moved to integrated multi-source multicell coating system, the mode of deposited by electron beam evaporation is in glass lined
Evaporation thickness is 100nm Al cathode layers on bottom, and the vacuum of metallic room is 4 × 10-4Pa；
Step 7, it is that 100nm pBBTDPP2: PCBM has active layer to prepare thickness.
Obtaining thickness on the Al cathode layers by way of above-mentioned pBBTDPP2: the PCBM mixed liquor of whirl coating spin coating is
PBBTDPP2: PCBM of 100nm has active layer, and the rotating speed of whirl coating platform is 1000rpms, and the time is 50s.
Step 8, laminate samples and made annealing treatment.
The sample that step (7) is prepared is inverted on the sample for being laminated to and being prepared in step (5), is then casing
(nitrogen atmosphere encloses) is inner to carry out annealing operation.What glove box led to is high pure nitrogen, and corresponding water oxygen content is both less than (million points of 1ppm
One of), annealing temperature is 140 DEG C, and the time is 10min.
Reference picture 2, the laminated organic solar cell in parallel made according to the above method of the present invention, it is from bottom to top successively
It is the glass substrate that thickness is 1mm, thickness is 180nm ito anode layer, and thickness is 70nm PEDOT: PSS hole transmission layer,
Thickness has active layer for P3HT: PCBM of 100nm, and thickness has active layer for pBBTDPP2: PCBM of 100nm, and thickness is 100nm Al
Cathode layer.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
Any modifications, equivalent substitutions and improvements made within refreshing and principle etc., should be included in the scope of the protection.
Claims (6)
1. a kind of preparation method based on laminated organic solar cell in parallel, comprises the following steps：
(1) glass of the surface with ITO (indium tin oxide) is stained with zinc powder and hydrochloric acid etch away sections ITO with cotton swab, makes office
Nonconducting glass surface is exposed in portion, and then ito glass is cleaned；
(2) ito glass surface after etching passes through the polymer P EDOT of whirl coating spin coating 3,4- ethylenedioxy thiophene monomers and poly-
The mode of styrene sulfonate PSS mixed solution obtains the PEDOT that thickness is 50-70nm:PSS hole transmission layers；
(3) sample is toasted on agitating and heating platform after whirl coating terminates, temperature is 120 DEG C, and the time is 1h；
(4) the polymer P 3HT of 3- hexyl thiophenes and the derivative PCBM of fullerene are dissolved in 1,2- chlorobenzenes and form concentration respectively
For 18mg/ml solution, by P3HT:PCBM by volume 1:0.8 is configured to P3HT:PCBM mixed liquors；Diketone pyrrolo- pyrrole
Cough up polymer pBBTDPP2 and PCBM be dissolved in respectively in 1,2- chlorobenzenes formed concentration be 18mg/ml solution, pBBTDPP2 with
PCBM again by volume 1:2 are configured to mixed liquor；
(5) the middle preparation of step (3) covered with PEDOT:PSS ito glass is moved on the whirl coating platform in casing, by getting rid of
The above-mentioned P3HT of glue spin coating:The mode of PCBM mixed liquors is in PEDOT:It is 80-100nm's that thickness is obtained on PSS hole transmission layers
P3HT:PCBM has active layer；
(6) glass is moved in the metallic room of integrated multi-source multicell coating system, the mode of deposited by electron beam evaporation is in glass lined
Evaporation thickness is 100nm Al cathode layers on bottom；
(7) the above-mentioned pBBTDPP2 of whirl coating spin coating is passed through:The mode of PCBM mixed liquors obtains thickness for 80- on the Al cathode layers
100nm pBBTDPP2:PCBM has active layer；
(8) sample that step (7) is prepared is inverted on the sample for being laminated to and being prepared in step (5), is subsequently placed into glove box
In, carry out annealing operation.
2. the preparation method of a kind of laminated organic solar cell in parallel according to claim 1, it is characterised in that in step
Suddenly in (2),
PEDOT and PSS mix proportionses are that weight compares 1:6, the rotating speed of whirl coating platform is rotating speed 2000-3000rpms per minute, is turned
The dynamic time is 60-90s.
3. the preparation method of a kind of laminated organic solar cell in parallel according to claim 1, it is characterised in that in step
Suddenly in (5),
It is described in PEDOT:The P3HT that thickness is 80-100nm is prepared by whirl coating mode on PSS hole transmission layers:PCBM has
Active layer, its process conditions are as follows:
The rotating speed of whirl coating platform is 1200rpms；Time is 60s.
4. the preparation method of a kind of laminated organic solar cell in parallel according to claim 1, it is characterised in that in step
Suddenly in (6),
The described mode of deposited by electron beam evaporation on a glass substrate evaporation thickness is 100nm Al cathode layers, and its process conditions is such as
Under:
The vacuum of metallic room is 4 × 10-4Pa。
5. the preparation method of a kind of laminated organic solar cell in parallel according to claim 1, it is characterised in that in step
Suddenly in (7),
It is described that the pBBTDPP2 that thickness is 80-100nm is prepared by whirl coating mode on Al cathode layers:PCBM has active layer, its
Process conditions are as follows:
The rotating speed of whirl coating platform is 1000-1500rpms, and the time is 40-60s.
6. the preparation method of a kind of laminated organic solar cell in parallel according to claim 1, it is characterised in that in step
Suddenly in (8),
What glove box led to is high pure nitrogen, and corresponding water oxygen content is both less than 1ppm, and annealing temperature is 140-150 DEG C, and the time is 10-
15min。
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|---|---|---|---|---|
| CN102177599A (en) * | 2008-09-26 | 2011-09-07 | 密歇根大学董事会 | Organic tandem solar cells |
| CN102473842A (en) * | 2009-09-29 | 2012-05-23 | 光州科学技术院 | Parallel-type tandem organic solar cell |
-
2014
- 2014-06-19 CN CN201410276254.6A patent/CN104051627B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102177599A (en) * | 2008-09-26 | 2011-09-07 | 密歇根大学董事会 | Organic tandem solar cells |
| CN102473842A (en) * | 2009-09-29 | 2012-05-23 | 光州科学技术院 | Parallel-type tandem organic solar cell |
Non-Patent Citations (1)
| Title |
|---|
| Investigation of controlled current matching in polymer tandem solar cells considering different layer sequences and optical spacer;Zhizhe Wang,et al;《Japanese Journal of Applied Physics》;20121114;第51卷;122301 * |
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