CN204333040U - A kind of thin film organic solar battery - Google Patents
A kind of thin film organic solar battery Download PDFInfo
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- CN204333040U CN204333040U CN201520054305.0U CN201520054305U CN204333040U CN 204333040 U CN204333040 U CN 204333040U CN 201520054305 U CN201520054305 U CN 201520054305U CN 204333040 U CN204333040 U CN 204333040U
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/549—Organic PV cells
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Abstract
A kind of thin film organic solar battery that the utility model provides, it comprises optically focused protective layer from top to bottom successively, metal anode layer, organic photoelectric conversion layer one, organic photoelectric conversion layer two, cathode buffer layer, transparent conductive cathode and substrate, the surface array of optically focused protective layer is evenly provided with optically focused pit, the cross sectional shape of optically focused pit is oval, nanometer metal structure layer is also provided with between organic photoelectric conversion layer one and organic photoelectric conversion layer two, nano-metal particle is provided with in nanometer metal structure layer, the spherical surface of the spherical structure of nano-metal particle is intensive is provided with multiple identical projection.Optically focused pit of the present utility model, effectively can utilize the advantage that oval surface area is large, by intensive for the spherical surface of the spherical structure of nano-metal particle, multiple identical projection is set, local surface plasma resonance intensity can be improved greatly, improve the absorption optical efficiency of thin film organic solar battery.
Description
Technical field
The utility model relates to a kind of solar cell, is specially a kind of organic semiconductor thin-film solar cell, belongs to organic polymer photovoltaic device technical field.
Background technology
Prevailing solar cell is that main material is made with inorganic semiconductor now, and since the application of solar cell business, monocrystalline silicon, polysilicon and amorphous silicon series are most widely used.Through development for many years, the technology that silica-based solar cell is relevant there has been significant progress, but still do not depart from the method being carried out purified silicon by redox reaction, this process will inevitably make crystal silicon solar energy battery manufacture energy consumption large, pollute high, complex process and production equipment is expensive.And organic semiconducting materials is owing to having features such as low, the easy making of cost of manufacture, quality are light, high resilience, cause increasing concern, how existing expensive inorganic semiconductor material organic semiconducting materials is replaced in research by current scholar in electronic device, wherein just comprises the research of organic solar batteries.The realization of organic solar batteries depends on the photoelectric converting function in organic semiconducting materials, but, the utilance that current thin film organic solar battery absorbs solar energy is low, structure is reasonable not, can not meet the conversion ratio of solar energy and current requirement be utilized to solar energy, therefore, cause solar energy utilization ratio cost compare high, govern the development of solar energy industry.
For solving each above technical problem, the utility model provides a kind of thin film organic solar battery, by arranging optically focused protective layer, and oval optically focused pit is evenly set at the surface array of optically focused protective layer, effectively can utilize the advantage that oval surface area is large, but also can oval optically focused pit be passed through, realize light and converge characteristic, the absorption efficiency of effective raising sunlight, and this layer also has the performance of protection inside solar energy battery structure, simultaneously, the utility model is by arranging nanometer metal structure layer, the shape of nano-metal particle is set to spherical structure, and multiple identical projection is set the spherical surface of spherical structure is intensive, by projection, local surface plasma resonance intensity can be improved greatly, it is made to reach maximum, the structure of this projection, prove according to light scattering and principle of absorption and experiment, it can compared with not having the sphere structure of projection, improve about about the 5-8% of absorption optical efficiency of thin film organic solar battery.
Summary of the invention
For above-mentioned situation, for solving the defect of prior art, the object of the utility model just there is provided a kind of thin film organic solar battery, it comprises optically focused protective layer from top to bottom successively, metal anode layer, organic photoelectric conversion layer one, organic photoelectric conversion layer two, cathode buffer layer, transparent conductive cathode and substrate, it is characterized in that, the cyanine dye layer of described optically focused protective layer to be thickness be 80-100nm, the surface array of described optically focused protective layer is evenly provided with optically focused pit, the cross sectional shape of described optically focused pit is oval, described metal anode layer is thickness is the silver-plated of 120-180nm or aluminium coated, described organic photoelectric conversion layer one and described organic photoelectric conversion layer two include electron donor material P3HT layer and electron acceptor material PC
60bM layer, nanometer metal structure layer is also provided with between described organic photoelectric conversion layer one and described organic photoelectric conversion layer two, nano-metal particle is provided with in nanometer metal structure layer described in optically focused pit, the shape of described nano-metal particle is spherical structure, and the spherical surface of spherical structure is intensive is provided with multiple identical projection.
Further, as preferably, the evaporation anode buffer layer M that thickness is 6-8nm thickness between described metal anode layer and described organic photoelectric conversion layer one, is provided with
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3, further preferably, this layer thickness is 7nm
Further, as preferably, the thickness of described organic photoelectric conversion layer one is 160-230nm, and preferred thickness is 200nm further, and the thickness of described organic photoelectric conversion layer two is 120-150nm, and preferred thickness is 130nm further.
Further, as preferably, the thickness of the electron donor material P3HT layer of described organic photoelectric conversion layer one is 70-120nm, and highly preferred thickness is 110nm, described electron acceptor material PC
60the thickness of BM layer is 80-140nm, and highly preferred thickness is 90nm, and the thickness of the electron donor material P3HT layer of described organic photoelectric conversion layer two is 45-70nm, and highly preferred thickness is 70nm, described electron acceptor material PC
60the thickness of BM layer is 70-90nm, and highly preferred thickness is 60nm.
Further, as preferably, the spacing between adjacent two described optically focused pits is 300-500nm, be preferably 350nm the most, and the long 250-280nm of the major axis of the ellipse of optically focused pit, minor axis is long is 120-150nm, most preferably the long 260nm of major axis, minor axis is long is 130nm.
The beneficial effects of the utility model: a kind of thin film organic solar battery that the utility model provides, by arranging optically focused protective layer, and oval optically focused pit is evenly set at the surface array of optically focused protective layer, effectively can utilize the advantage that oval surface area is large, but also can oval optically focused pit be passed through, realize light and converge characteristic, the absorption efficiency of effective raising sunlight, and this layer also has the performance of protection inside solar energy battery structure, simultaneously, the utility model is by arranging nanometer metal structure layer, the shape of nano-metal particle is set to spherical structure, and multiple identical projection is set the spherical surface of spherical structure is intensive, by projection, local surface plasma resonance intensity can be improved greatly, it is made to reach maximum, the structure of this projection, prove according to light scattering and principle of absorption and experiment, it can compared with not having the sphere structure of projection, improve about about the 5-8% of absorption optical efficiency of thin film organic solar battery
Accompanying drawing explanation
The structural representation of a kind of thin film organic solar battery that Fig. 1 provides for the utility model.
Wherein, 1, optically focused protective layer, 2, metal anode layer, 3, organic photoelectric conversion layer one, 4, organic photoelectric conversion layer two, 5, cathode buffer layer, 6, transparent conductive cathode, 7, substrate, 8, nanometer metal structure layer, 9, nano-metal particle, 10, optically focused pit.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described further.
As shown in Figure 1, the utility model provides a kind of thin film organic solar battery, it comprises optically focused protective layer 1 from top to bottom successively, metal anode layer 2, organic photoelectric conversion layer 1, organic photoelectric conversion layer 24, cathode buffer layer 5, transparent conductive cathode 6 and substrate 7, optically focused protective layer 1 for thickness be the cyanine dye layer of 80-100nm, the surface array of optically focused protective layer 1 is evenly provided with optically focused pit 10, the cross sectional shape of optically focused pit 10 is oval, metal anode layer 2 for thickness be the silver-plated of 120-180nm or aluminium coated, organic photoelectric conversion layer 1 and organic photoelectric conversion layer 24 include electron donor material P3HT layer and electron acceptor material PC
60bM layer, nanometer metal structure layer 8 is also provided with between organic photoelectric conversion layer 1 and organic photoelectric conversion layer 24, nano-metal particle 9 is provided with in nanometer metal structure layer 8, the shape of nano-metal particle 9 is spherical structure, and the spherical surface of spherical structure is intensive is provided with multiple identical projection.
In the present embodiment, cathode buffer layer is made by mixing a certain proportion of aqueous solution copolymerization thing in ZnO solution, the material of substrate is unorganic glass or transparent polymer, one or more of such as conventional polyethylene, polymethyl methacrylate, Merlon or polyimides, cathode buffer layer and substrate prepare material proportion and preparation method belongs to prior art, do not repeat them here.
Wherein, the evaporation anode buffer layer M that thickness is 6-8nm thickness is provided with between metal anode layer 2 and organic photoelectric conversion layer 1
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3(not shown), in the present embodiment, thickness is 7nm, the thickness of organic photoelectric conversion layer one is 160-230nm, thickness is in the present embodiment 200nm, and the thickness of organic photoelectric conversion layer two is 120-150nm, is 130nm at the thickness of the present embodiment.
In addition, the thickness of the electron donor material P3HT layer of organic photoelectric conversion layer one is 70-120nm, is 110nm at the thickness of the present embodiment, electron acceptor material PC
60the thickness of BM layer is 80-140nm, is 90nm at the thickness of the present embodiment, and the thickness of the electron donor material P3HT layer of organic photoelectric conversion layer two is 45-70nm, and the thickness of the present embodiment is chosen as 70nm, electron acceptor material PC
60the thickness of BM layer is 70-90nm, and the thickness of the present embodiment is 60nm.For the layout of optically focused pit, spacing between adjacent two optically focused pits is 300-500nm, the present embodiment is chosen as 350nm, and the long 250-280nm of the major axis of the ellipse of optically focused pit, minor axis is long is 120-150nm, in the present embodiment, the shape size of the ellipse of optically focused pit is the long 260nm of major axis, and minor axis is long is 130nm.
The utility model is by arranging optically focused protective layer, and oval optically focused pit is evenly set at the surface array of optically focused protective layer, effectively can utilize the advantage that oval surface area is large, but also can oval optically focused pit be passed through, realize light and converge characteristic, the absorption efficiency of effective raising sunlight, and this layer also has the performance of protection inside solar energy battery structure, simultaneously, the utility model is by arranging nanometer metal structure layer, the shape of nano-metal particle is set to spherical structure, and multiple identical projection is set the spherical surface of spherical structure is intensive, by projection, local surface plasma resonance intensity can be improved greatly, it is made to reach maximum, the structure of this projection, prove according to light scattering and principle of absorption and experiment, it can compared with not having the sphere structure of projection, improve about about the 5-8% of absorption optical efficiency of thin film organic solar battery
Claims (5)
1. a thin film organic solar battery, it comprises optically focused protective layer from top to bottom successively, metal anode layer, organic photoelectric conversion layer one, organic photoelectric conversion layer two, cathode buffer layer, transparent conductive cathode and substrate, it is characterized in that, the cyanine dye layer of described optically focused protective layer to be thickness be 80-100nm, the surface array of described optically focused protective layer is evenly provided with optically focused pit, the cross sectional shape of described optically focused pit is oval, described metal anode layer is thickness is the silver-plated of 120-180nm or aluminium coated, described organic photoelectric conversion layer one and described organic photoelectric conversion layer two include electron donor material P3HT layer and electron acceptor material PC
60bM layer, nanometer metal structure layer is also provided with between described organic photoelectric conversion layer one and described organic photoelectric conversion layer two, nano-metal particle is provided with in nanometer metal structure layer described in optically focused pit, the shape of described nano-metal particle is spherical structure, and the spherical surface of spherical structure is intensive is provided with multiple identical projection.
2. a kind of thin film organic solar battery according to claim 1, is characterized in that, is provided with the evaporation anode buffer layer M that thickness is 6-8nm thickness between described metal anode layer and described organic photoelectric conversion layer one
oo
3.
3. a kind of thin film organic solar battery according to claim 1, is characterized in that, the thickness of described organic photoelectric conversion layer one is 160-230nm, and the thickness of described organic photoelectric conversion layer two is 120-150nm.
4. a kind of thin film organic solar battery according to claim 3, is characterized in that, the thickness of the electron donor material P3HT layer of described organic photoelectric conversion layer one is 70-120nm, described electron acceptor material PC
60the thickness of BM layer is 80-140nm, and the thickness of the electron donor material P3HT layer of described organic photoelectric conversion layer two is 45-70nm, described electron acceptor material PC
60the thickness of BM layer is 70-90nm.
5. a kind of thin film organic solar battery according to claim 1-4 any one, it is characterized in that, spacing between adjacent two described optically focused pits is 300-500nm, and the long 250-280nm of the major axis of the ellipse of optically focused pit, minor axis is long is 120-150nm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201520054305.0U CN204333040U (en) | 2015-01-23 | 2015-01-23 | A kind of thin film organic solar battery |
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| CN201520054305.0U CN204333040U (en) | 2015-01-23 | 2015-01-23 | A kind of thin film organic solar battery |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109037454A (en) * | 2018-07-26 | 2018-12-18 | 太原理工大学 | A kind of organic photoelectric multiplication detector based on surface plasmons |
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2015
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109037454A (en) * | 2018-07-26 | 2018-12-18 | 太原理工大学 | A kind of organic photoelectric multiplication detector based on surface plasmons |
| CN109037454B (en) * | 2018-07-26 | 2023-02-17 | 太原理工大学 | Organic photomultiplier detector based on surface plasmon polariton |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150513 Termination date: 20190123 |
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| CF01 | Termination of patent right due to non-payment of annual fee |