CN206834208U - A kind of board-like photoactive layer organic thin film solar cell of ternary - Google Patents
A kind of board-like photoactive layer organic thin film solar cell of ternary Download PDFInfo
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- CN206834208U CN206834208U CN201621395559.XU CN201621395559U CN206834208U CN 206834208 U CN206834208 U CN 206834208U CN 201621395559 U CN201621395559 U CN 201621395559U CN 206834208 U CN206834208 U CN 206834208U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/549—Organic PV cells
Abstract
A kind of board-like photoactive layer organic thin film solar cell of ternary, including metal anode layer, anode modification layer, the board-like photoactive layer of ternary, cathode buffer layer, transparent conductive cathode layer and the substrate layer of superposition are arranged in order from top to bottom.By optimizing the photoactive layer structure of battery, by electron donor, the first electron acceptor and the second electron acceptor make the ternary plank frame perpendicular to substrate layer.The utility model proposes the board-like photoactive layer of ternary, on the one hand add the contact surface layer of material, more carriers can be produced, on the other hand can reduce carrier burying in oblivion in migrating, finally improve the photoelectric transformation efficiency of solar cell.
Description
Technical field
A kind of area of solar cell is the utility model is related to, more particularly to a kind of board-like photoactive layer organic film of ternary
Solar cell.
Background technology
Because the problem of environmental pollution of getting worse, traditional energy faces progressively exhausted predicament, and photovoltaic generation is used as and replaced
For the energy emphasis of concern, particularly organic solar batteries.This solar cell has environment-friendly, quality
Gently, many advantages, such as flexible, thus the emphasis for the people's research during the decade that becomes history.Organic solar batteries are typical three
Mingzhi's structure:Transparent conductive material as anode, the metal of low work function as negative electrode, it is middle then be common rail polymeric donor and
The mixed layer of acceptor.In recent years, organic ternary solar cell causes people's increasingly keen interest, compared to binary electricity
Pond, enhancing of the ternary battery on light absorpting ability make it that their energy conversion efficiency is higher.
2014, IBM research institutes invented a microcosmic（microscopic）3D printer, can be in the polymerization of softness
The upper nanometer resolution pattern of thing engraving, then extension are carried out in silicon, III-V (GaAs), or the material such as graphene substrate
Engraving.It can be operated as the milling machine of nanometer resolution, and nano level groove is carved out on organic compound.
Common are machine ternary photoactive layer mainly has structure type, be by a kind of electron donor material and two kinds of electronics by
Be made film after the mixing of body material, this heterogeneous photoactive layer of body phase, although contact area is larger, hole and electronics to
Electrode is easily buried in oblivion in migrating, and influences the photoelectric transformation efficiency of battery.
The content of the invention
For overcome the deficiencies in the prior art, the utility model provides a kind of board-like photoactive layer organic film sun of ternary
Energy battery, the difference of the battery and traditional ternary organic thin film cells is, by electron donor, the first electron acceptor and the second electronics
Acceptor makes the hierarchy perpendicular to substrate layer, the ratio that reduction hole and electronics are mutually buried in oblivion in being migrated to electrode, energy
It is enough to improve photoelectric transformation efficiency.
A kind of board-like photoactive layer organic thin film solar cell of ternary, including the metal of superposition is arranged in order from top to bottom
The board-like photoactive layer 3 of anode layer 1, anode modification layer 2, ternary, cathode buffer layer 4, transparent conductive cathode layer 5 and substrate layer 6.
The material of the metal anode layer 1 is：Argent, its film thickness are 1-5 μm.
The material of the anode modification layer 2 is：Tungsten oxide, its film thickness are 80-150nm.
The material of described photoactive layer 3 is：Polyphenyl 1,4-Dithiapentalene：Fullerene derivate：Bis (1-3- [(methoxycarbonyl group)
Propyl group] -1- phenyl)-[6,6]-C70, its film thickness is 200-250nm.
The material of the cathode buffer layer 4 is：Zinc oxide, its film thickness are 80-150nm.
The material of the transparent conductive cathode layer 5 is：Electric conductive oxidation indium tin thin film, its film thickness are 120-250nm.
The material of the substrate layer 6 is：The fat of poly terephthalic acid second two, its film thickness are 0.1-1.0mm.
The symbol of element of silver is Ag, and tungsten oxide symbol is WO3, polyphenyl 1,4-Dithiapentalene symbol is PTB7, fullerene derivate
Symbol is PC70BM, Bis (1-3- [(methoxycarbonyl group) propyl group] -1- phenyl)-[6,6]-C70 symbols are Bis-PC70BM, zinc oxide
Symbol is ZnO, and electric conductive oxidation indium tin thin film symbol is ITO, and the fat symbol of poly terephthalic acid second two is PET.
The metal anode layer 1 is the Ag that thickness is 3 μm, and the anode modification layer 2 is 100nm WO3, the light work
Property layer 3 be to include electron donor 8, the first electron acceptor 7 and the second electron acceptor 9 composition the board-like photoactive layer structure of ternary,
Thickness is 200nm；The cathode buffer layer 4 is 140nm ZnO, and transparent conductive cathode layer 5 and substrate layer 6 gross thickness is
0.125mm PET-ITO.
Described ternary plank frame photoactive layer, interface and the substrate layer 6 of the electron acceptor 7 of electron donor 8 and first
Vertically, the interface of the electron acceptor 9 of electron donor 8 and second is vertical with substrate layer 6.
Described ternary plank frame photoactive layer, the material of electron donor 8 are PTB7, the material of the first electron acceptor 7
For PC70BM, the material of the second electron acceptor 9 is Bis-PC70BM。
The preparation method for the board-like organic solar batteries of ternary that the utility model is proposed, comprises the following steps:
(1) in 100mmX100mm, thickness is on 0.125mm PET-ITO substrates（Triumphant Zhuhai is the limited public affairs of Optoelectronics Technology
Department, the two-sided stiffened processing of PET, light transmittance 85%, 45ohm/sq）The fine strip shape with one fixed width is etched into, cleans up and dries
It is dry stand-by；
(2) ZnO nanoparticle prepared using sol-gel process is dispersed in chlorobenzene, concentration 50mg/mL, then
It is spin-coated on transparent conductive film, spin coating machine speed is 4500rpm (rev/min), spin coating time 30s, forms a layer thickness
For 80-150nm ZnO, and 30min solidifications, cooling are heated under 200 °C；
(3) three kinds of materials PTB7, PC70BM and Bis-PC70Chosen any one kind of them in BM, film is prepared on cathode buffer layer
Layer, it is 80-250nm to control thickness, and 15min solidifications, cooling, the film solidified are heated under 120 °C；
（4）Since any side of battery, since at the 5-15nm of side, according to 15-45nm interval,（3）
In with microcosmic 3D printer engraving width be 5-15nm on obtained film, depth is 80-250nm straight trough；
(5) exist（3）In except the material of film, three kinds of materials PTB7, PC are made70BM and Bis-PC70Remaining two in BM
Kind material arbitrarily selects a kind of material wiring solution-forming, is filled and led up straight trough with sol evenning machine, and 15min solidifications, cooling are heated under 120 °C
The film solidified；
（6）With（4）In consistent battery side start, since at the 10-30nm of side, according to 15-45nm's
Interval,（5）In with microcosmic 3D printer engraving width be 5-15nm on obtained film, depth is 80-250nm straight trough,
Straight trough with（4）Middle straight trough direction is parallel；
(7) remove（3）With（5）The two kinds of materials used, PTB7, PC in three kinds of materials70BM and Bis-PC70BM does not make
With material wiring solution-forming, straight trough is filled and led up with sol evenning machine, 15min solidifications are heated under 120 °C, cooling, the board-like light of ternary is obtained and lives
Property layer；
（8）From with（4）Any side of the vertical battery of middle straight trough starts, since away from side 10nm, according between 20nm
Every being 10nm with microcosmic 3D printer engraving width, depth is 50nm straight trough；
(9) one layer of WO of spin coating on photoactive layer3Layer, it is 1500rpm to control spin coating machine speed, spin coating time 20s, is made
Thickness 80-150nm, 30min solidifications, cooling are heated under 150 °C；
(10) in WO3Layer forms one layer of conductive silver paste above with silk screen print method, and wherein the composition of slurry is with quality
Than being calculated as:Particle diameter is l μm of silver powder 60%, adipic acid diformazan vinegar 30%, epoxy resin 1%, resol resin 9%, is formed thick
The film for 1-5 μm is spent, is placed in glove box heating 40min solidifications under 100 °C；
(11) whole device is finally placed in gloves close annealing, obtains organic solar batteries.
The beneficial effects of the utility model：
The board-like photoactive layer organic thin film solar cell of a kind of ternary provided by the utility model, by optimizing battery
Photoactive layer structure, by electron donor, the ternary that the first electron acceptor and the second electron acceptor are constructed perpendicular to substrate layer is board-like
Structure, this structure can be effectively increased the contact area of electron donor material and electron acceptor material, reduce hole and electronics
Mutually bury in oblivion ratio in migration course, improve the photoelectric transformation efficiency of solar cell.
Brief description of the drawings
Fig. 1 is the utility model structure diagram.
Fig. 2 is the board-like photoactive layer structural representation of ternary.
Embodiment
The utility model is described in detail with reference to the accompanying drawings and in conjunction with the embodiments.
As shown in Figure 1：A kind of organic thin film solar cell of the board-like photoactive layer of ternary, including arrange successively from top to bottom
Arrange metal anode layer 1, anode modification layer 2, the board-like photoactive layer 3 of ternary, cathode buffer layer 4, the transparent conductive cathode layer 5 of superposition
With substrate layer 6.
The preparation method of the board-like photoactive layer organic solar batteries of ternary provided by the utility model, including following step
Suddenly:
(1) fine strip shape with one fixed width is etched on PET-ITO substrates, cleans up and dries stand-by；
(2) ZnO prepared using sol-gel process solution is spin-coated on transparent conductive film, forms negative electrode and delay
Rush layer；
(3) three kinds of materials PTB7, PC70BM and Bis-PC70Chosen any one kind of them in BM, film is prepared on cathode buffer layer
Layer, 15min solidifications, cooling are heated under 120 °C；
(4) since any side of battery, width straight trough is carved with microcosmic 3D printer；
(5) exist（3）In except the material of film, three kinds of materials PTB7, PC are made70BM and Bis-PC70Remaining two in BM
Kind material arbitrarily selects a kind of material wiring solution-forming, is filled and led up straight trough with sol evenning machine, and 15min solidifications, cooling are heated under 120 °C；
(6) with（4）Middle battery side is consistent, is straight trough with microcosmic 3D printer engraving width, straight trough with（4）Middle straight trough side
To parallel；
(7) remove（3）With（5）The two kinds of materials used, three kinds of materials PTB7, PC70BM and Bis-PC70Do not make in BM
With material wiring solution-forming, straight trough is filled and led up with sol evenning machine, 15min solidifications, cooling are heated under 120 °C；
（8）From with（4）Any side of the vertical battery of middle straight trough starts, and width straight trough is carved with microcosmic 3D printer；
(9) one layer of PEDOT of spin coating on photoactive layer:PSS layer, prepare film 30min is heated under 150 °C and consolidate
Change, cooling；
(10) in PEDOT:PSS layer forms one layer of conductive silver paste above with silk screen print method, prepares metal anode, and
It is placed in glove box and 40min solidifications is heated under 100 °C；
(11) whole device is finally placed in gloves close annealing, obtains organic solar batteries.
Embodiment 1:
(1) in 100mmX100mm, thickness is on 0.125mm PET-ITO substrates（Triumphant Zhuhai is the limited public affairs of Optoelectronics Technology
Department, the two-sided stiffened processing of PET, light transmittance 85%, 45ohm/sq）The fine strip shape with one fixed width is etched into, cleans up and dries
It is dry stand-by；
(2) ZnO nanoparticle prepared using sol-gel process is dispersed in chlorobenzene, concentration 50mg/mL, then
It is spin-coated on transparent conductive film, spin coating machine speed is 4500rpm (rev/min), spin coating time 30s, forms a layer thickness
For 80nm ZnO, and 30min solidifications, cooling are heated under 200 °C；
(3) it is added dropwise in ZnO layer and contains PTB7, total concentration is 15mg/mL chlorobenzene solution, and the rotating speed for controlling sol evenning machine is
4000rpm, spin coating time 30s, it is 80nm to control thickness, and 15min solidifications, cooling are heated under 120 °C；
（4）Since any side of battery, with a distance from from side for 5nm position, according to 15nm interval with micro-
It is 5nm to see 3D printer engraving width, and depth is 80nm straight trough；
(5) it is added dropwise on PTB7 layers and contains PC70BM, total concentration are 15mg/mL chlorobenzene solution, and the rotating speed for controlling sol evenning machine is
4000rpm, stop after straight trough is filled and led up, 15min solidifications, cooling are heated under 120 °C；
（6）With（4）In beginning battery side it is consistent, with a distance from from side for 10nm position, according to 15nm's
Interval is 5nm with microcosmic 3D printer engraving width, and depth is 80nm straight trough, straight trough with（4）Middle straight trough direction is parallel；
(7) it is added dropwise on PTB7 layers and contains Bis-PC70BM, total concentration are 15mg/mL chlorobenzene solution, control turning for sol evenning machine
Speed is 4000rpm, is stopped after straight trough is filled and led up, and 15min solidifications are heated under 120 °C, cooling, obtain the board-like photolytic activity of ternary
Layer；
（8）From with（4）Any side of the vertical battery of middle straight trough starts, since the position for being 10nm with a distance from from side,
It is 10nm that width is carved in interval according to 20nm with microcosmic 3D printer, and depth is 50nm straight trough；
(9) one layer of WO of spin coating on photoactive layer3Layer, it is 1500rpm, spin coating time 20s to control spin coating machine speed,
Make thickness 80nm, 30min solidifications, cooling are heated under 150 °C；
(10) in WO3Layer forms one layer of conductive silver paste above with silk screen print method, and wherein the composition of slurry is with quality
Than being calculated as:Particle diameter is l μm of silver powder 60%, adipic acid diformazan vinegar 30%, epoxy resin 1%, resol resin 9%, is formed thick
The film for 1 μm is spent, is placed in glove box heating 40min solidifications under 100 °C；
(11) whole device is finally placed in gloves close annealing, obtains organic solar batteries.
Embodiment 2：
(1) in 100mmX100mm, thickness is on 0.125mm PET-ITO substrates（Triumphant Zhuhai is the limited public affairs of Optoelectronics Technology
Department, the two-sided stiffened processing of PET, light transmittance 85%, 45ohm/sq）The fine strip shape with one fixed width is etched into, cleans up and dries
It is dry stand-by；
(2) ZnO nanoparticle prepared using sol-gel process is dispersed in chlorobenzene, concentration 50mg/mL, then
It is spin-coated on transparent conductive film, spin coating machine speed is 4500rpm (rev/min), spin coating time 30s, forms a layer thickness
For 250nm ZnO, and 35min solidifications, cooling are heated under 180 °C；
(3) it is added dropwise in ZnO layer and contains PC70BM, total concentration are 15mg/mL chlorobenzene solution, and the rotating speed for controlling sol evenning machine is
3500rpm, spin coating time 35s, it is 250nm to control thickness, and 15min solidifications, cooling are heated under 120 °C；
(4) since any side of battery, with a distance from from side for 15nm position, according to 45nm interval with micro-
It is 15nm to see 3D printer engraving width, and depth is 250nm straight trough；
(5) in PC70It is added dropwise on BM layers and contains PTB7, total concentration is 15mg/mL chlorobenzene solution, and the rotating speed for controlling sol evenning machine is
4000rpm, stop after straight trough is filled and led up, 15min solidifications, cooling are heated under 120 °C；
(6) with（4）In starting position it is consistent, with a distance from from side for 30nm position, according to 45nm interval
Be 15nm with microcosmic 3D printer engraving width, depth is 250nm straight trough, straight trough with（4）Middle straight trough direction is parallel；
(7) in PC70It is added dropwise on BM layers and contains Bis-PC70BM, total concentration are 15mg/mL chlorobenzene solution, control sol evenning machine
Rotating speed is 4000rpm, is stopped after straight trough is filled and led up, and 15min solidifications are heated under 120 °C, cooling, the board-like light of ternary is obtained and lives
Property layer；
（8）From with（4）Any side of the vertical battery of middle straight trough starts, since the position for being 10nm with a distance from from side,
It is 10nm that width is carved in interval according to 20nm with microcosmic 3D printer, and depth is 50nm straight trough；
(9) one layer of WO of spin coating on photoactive layer3Layer, it is 1500rpm to control spin coating machine speed, spin coating time 20s, is made
Thickness 150nm, 30min solidifications, cooling are heated under 150 °C；
(10) in WO3Layer forms one layer of conductive silver paste above with silk screen print method, and wherein the composition of slurry is with quality
Than being calculated as:Particle diameter is 1 μm of silver powder 60%, adipic acid diformazan vinegar 30%, epoxy resin 1%, resol resin 9%, is formed thick
The film for 5 μm is spent, is placed in glove box heating 40min solidifications under 100 °C；
(11) whole device is finally placed in gloves close annealing, obtains organic solar batteries.
Embodiment 3:
(1) in 100mmX100mm, thickness is on 0.125mm PET-ITO substrates（Triumphant Zhuhai is the limited public affairs of Optoelectronics Technology
Department, the two-sided stiffened processing of PET, light transmittance 85%, 45ohm/sq）The fine strip shape with one fixed width is etched into, cleans up and dries
It is dry stand-by；
(2) ZnO nanoparticle prepared using sol-gel process is dispersed in chlorobenzene, concentration 50mg/mL, then
It is spin-coated on transparent conductive film, spin coating machine speed is 4500rpm (rev/min), spin coating time 30s, forms a layer thickness
For 140nm ZnO, and 35min solidifications, cooling are heated under 180 °C；
(3) it is added dropwise in ZnO layer and contains Bis-PC70BM, total concentration are 15mg/mL chlorobenzene solution, control turning for sol evenning machine
Speed is 4500rpm, spin coating time 35s, and it is 200nm to control thickness, and 15min solidifications, cooling are heated under 120 °C；
(4) since any side of battery, with a distance from from side for 10nm position, according to 30nm interval with micro-
It is 10nm to see 3D printer engraving width, and depth is 200nm straight trough；
(5) in Bis-PC70It is added dropwise on BM layers and contains PTB7, total concentration is 15mg/mL chlorobenzene solution, controls turning for sol evenning machine
Speed is 4000rpm, is stopped after straight trough is filled and led up, and 15min solidifications, cooling are heated under 120 °C；
(6) with（4）In starting position it is consistent, with a distance from from side for 20nm position, according to 30nm interval
Be 10nm with microcosmic 3D printer engraving width, depth is 200nm straight trough, straight trough with（4）Middle straight trough direction is parallel；
(7) in Bis-PC70It is added dropwise on BM layers and contains PC70BM, total concentration are 15mg/mL chlorobenzene solution, control sol evenning machine
Rotating speed is 4000rpm, is stopped after straight trough is filled and led up, and 15min solidifications are heated under 120 °C, cooling, the board-like light of ternary is obtained and lives
Property layer；
(8) from（4）Any side of the vertical battery of middle straight trough starts, since the position for being 10nm with a distance from from side,
It is 10nm that width is carved in interval according to 20nm with microcosmic 3D printer, and depth is 50nm straight trough；
(9) one layer of WO of spin coating on photoactive layer3Layer, it is 1500rpm, spin coating time 20s to control spin coating machine speed,
Make thickness 100nm or so, 30min solidifications, cooling are heated under 150 °C；
(10) in WO3Layer forms one layer of conductive silver paste above with silk screen print method, and wherein the composition of slurry is with quality
Than being calculated as:Particle diameter is 1 μm of silver powder 60%, adipic acid diformazan vinegar 30%, epoxy resin 1%, resol resin 9%, is formed thick
The film for 3 μm is spent, is placed in glove box heating 50min solidifications under 100 °C；
(11) whole device is finally placed in gloves close annealing, obtains organic solar batteries.
Representative embodiment of the present utility model is the foregoing is only, it is new not limit this practicality in any way
Type, all made within spirit of the present utility model and principle any modification, equivalent substitution or improvement etc., should be included in this
Within the protection domain of utility model.
Claims (8)
1. a kind of board-like photoactive layer organic thin film solar cell of ternary, it is characterised in that including being arranged in order from top to bottom
The metal anode layer of superposition（1）, anode modification layer（2）, the board-like photoactive layer of ternary（3）, cathode buffer layer（4）, electrically conducting transparent
Cathode layer（5）And substrate layer（6）.
A kind of 2. board-like photoactive layer organic thin film solar cell of ternary according to claim 1, it is characterised in that institute
State metal anode layer（1）For the Ag layers that thickness is 3 μm, the anode modification layer（2）For l00nm W03, the photoactive layer
（3）It is to include electron donor material PTB7, the first electron acceptor material PC70BM and the second electron acceptor material BisPC70BM tri-
The photoactive layer of first plank frame, thickness 200nm, the cathode buffer layer（4）For 200nm ZnO, the electrically conducting transparent
Cathode layer（5）And substrate layer（6）Gross thickness is 0.125mm PET-ITO.
A kind of 3. board-like photoactive layer organic thin film solar cell of ternary according to claim 2, it is characterised in that institute
The photoactive layer of ternary plank frame is stated, by the electron donor layer being parallel to each other（8）, the first electron acceptor layer（7）With the second electricity
Sub- receptive layers（9）Form.
A kind of 4. board-like photoactive layer organic thin film solar cell of ternary according to claim 3, it is characterised in that the
One electron acceptor layer（7）With electron donor layer（8）Interface it is vertical with substrate layer.
A kind of 5. board-like photoactive layer organic thin film solar cell of ternary according to claim 3, it is characterised in that the
Two electron acceptor layers（9）With electron donor layer（8）Interface it is vertical with substrate layer.
A kind of 6. board-like photoactive layer organic thin film solar cell of ternary according to claim 3, it is characterised in that institute
The electron donor layer stated（8）, width 5-15nm, it is highly 80-250nm.
A kind of 7. board-like photoactive layer organic thin film solar cell of ternary according to claim 3, it is characterised in that institute
The first electron acceptor layer stated（7）, width 5-15nm, it is highly 80-250nm.
A kind of 8. board-like photoactive layer organic thin film solar cell of ternary according to claim 3, it is characterised in that institute
The second electron acceptor layer stated（9）, width 5-15nm, it is highly 80-250nm.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106449995A (en) * | 2016-12-19 | 2017-02-22 | 李瑞锋 | Ternary plate-type light active layer organic thin-film solar cell and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106449995A (en) * | 2016-12-19 | 2017-02-22 | 李瑞锋 | Ternary plate-type light active layer organic thin-film solar cell and preparation method thereof |
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