CN205406568U - Organic solar cell - Google Patents
Organic solar cell Download PDFInfo
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- CN205406568U CN205406568U CN201620189141.7U CN201620189141U CN205406568U CN 205406568 U CN205406568 U CN 205406568U CN 201620189141 U CN201620189141 U CN 201620189141U CN 205406568 U CN205406568 U CN 205406568U
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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
The utility model discloses an organic solar cell, including at least one trans individual layer component, trans individual layer component includes first electrode, second electrode and lies in electron transfer layer, photoactive layer and the electric hole transfer layer between the two, wherein at least one has optical clear nature in first electrode and the second electrode, the first electrode is silver -colored metal electrode, the second electrode is the ITO electrode. The photoactive layer is formed by the PV2000 material preparation. Trans individual layer component heat stability can reach more than 110 DEG C, under 80 DEG C / 65%RH atmosphere testing ring border, does not have obvious degradation phenomenon and takes place, the test of simulation light source component stability is greater than 20000 hours, is equivalent to 7 years life. This battery more traditional battery on photoelectric conversion efficiency, processing procedure processing nature, manufacturing reliability and operational stability has obtained the promotion that is showing promptly.
Description
Technical field
This utility model relates to photovoltaic cell technical field, particularly relates to a kind of organic photo cell.
Background technology
Organic solar batteries is the novel solar battery grown up the nineties in 20th century, and it is using organic semiconductor as the active material realizing opto-electronic conversion.Compared with inorganic solar cell, it has, and cost is low, thickness is thin, light weight, manufacturing process simple, can make the advantages such as large area flexible device, there is wide development and application prospect, it has also become one of study frontier of current new material and the richest vigour and vitality of new energy field.
Organic solar batteries is that composition is all or part of organic solaode, and they employ conducting polymer or little molecule for the absorption of light and electric charge transfer.The character such as organic a large amount of preparation, relative price are cheap, soft make it very promising in photovoltaic application.Can be changed the energy gap of organic molecule by the change equimolecular length of polymer and functional group, organic molar extinction coefficient is significantly high so that a small amount of Organic substance just can absorb substantial amounts of light.But relative to inorganic solar cell, organic solar batteries major downside is that relatively low energy conversion efficiency, poor stability.
Therefore, utility model people of the present utility model needs a kind of new technique of design badly to improve its problem.
Utility model content
This utility model aims to provide a kind of organic photo cell, and it can have higher energy conversion efficiency and stability.
For solving above-mentioned technical problem, the technical solution of the utility model is:
A kind of organic photo cell, including at least one trans single-layer element, described trans single-layer element includes the first electrode, the second electrode and electron transfer layer positioned there between, photoactive layer and electricity hole transfer layer, and in wherein said first electrode and the second electrode, at least one has optical transparence；Described first electrode is silver metal electrodes, and described second electrode is ITO electrode, and described photoactive layer is prepared from by P type semiconducting polymer material.
Preferably, described photoactive layer is prepared from by PV2000 material.
Preferably, described photoactive layer is prepared from by PV2000:PC60BM material.
Preferably, described photoactive layer is prepared from by PV2000:PC70BM material.
Preferably, also including substrate, described trans single-layer element is arranged on the substrate.
Preferably, also including the oxygen protective layer that blocks water, it is arranged on the first electrode.
Preferably, described substrate is PET soft plastic substrate.
Preferably, described first electrode and described second electrode are respectively provided with optical transparence.
Preferably, the thickness of described trans single-layer element is between 250-300nm.
Adopting technique scheme, this utility model at least includes following beneficial effect:
Organic photo cell described in the utility model, trans single-layer element heat stability, up to more than 110 DEG C, under 80 DEG C/65%RH air test environment, occurs without obvious degradation phenomena；Analog light source element stability was tested more than 20,000 hours, was equivalent to 7 year service life.Namely this battery more traditional battery in photoelectric transformation efficiency, processing procedure processability, manufacturing reliability and operational stability obtains and is obviously improved, and also meets the new fan window to the environmental protection energy by promoting organic film photovoltaic cell to become.
Accompanying drawing explanation
Fig. 1 is the structural representation of organic photo cell described in the utility model；
Fig. 2 is the heat stability testing result figure of trans single-layer element；
Fig. 3 is that trans single-layer element is in 80 DEG C/65%RH stability test result figure；
The light that Fig. 4 is trans single-layer element soaks ageing test result figure.
Wherein: 1. the first electrode, 2. the second electrode, 3. electron transfer layer, 4. photoactive layer, 5. electricity hole transfer layer.
Detailed description of the invention
Below in conjunction with drawings and Examples, this utility model is further illustrated.
As shown in Figure 1, for meeting a kind of organic photo cell of the present utility model, including at least one trans single-layer element, described trans single-layer element includes first electrode the 1, second electrode 2 and electron transfer layer 3 positioned there between, photoactive layer 4 and electricity hole transfer layer 5, and in wherein said first electrode 1 and the second electrode 2, at least one has optical transparence；Described first electrode 1 is silver metal electrodes, and described second electrode 2 is ITO electrode, and described photoactive layer 4 is prepared from by P type semiconducting polymer material.It rationale here is that: absorbing and produce exciton (electricity hole and electronics to) after luminous energy, then electricity hole and electronics are to separation, are sent to corresponding electrode.
Preferably, described photoactive layer 4 is prepared from by PV2000 material.PV2000 has good air process stability, various wet printing process technique can be adopted, being coated on soft PET plastic rubber substrate, the film thickness owing to reaching optimum performance performance can reach 250-300nm, has good uniformity controlling and repeatability on solution coating process.Single-layer element heat stability made by PV2000, up to more than 110 DEG C, under 80 DEG C/65%RH air test environment, occurs without obvious degradation phenomena；Analog light source (1,000W/m2) element stability test more than 20,000 hours, be equivalent to 7 year service life.Element module (effective area 23.7cm with the completed PV2000:PC70BM of slot coated mode2), through U.S.'s Newport certification up to 7.56%.It is obviously improved owing to obtaining in photoelectric transformation efficiency, processing procedure processability, manufacturing reliability and operational stability, no matter PV2000 all can obtain omnibearing competitive advantage in properties of product, price and general applicability, also meets the new fan window to the environmental protection energy by promoting organic film photovoltaic cell to become.PV2000 is a kind of material of the prior art, and this material is put on market, as this material is being sold by US business Polyera company.
Preferably, also including substrate, described trans single-layer element is arranged on the substrate.
Preferably, also including the oxygen protective layer that blocks water, it is arranged on described first electrode 1.
Preferably, described substrate is PET soft plastic substrate.The pliability that the use of soft plastic substrate also makes battery overall is higher, is suitable for the needs of various bending occasions.
Preferably, described first electrode 1 and described second electrode 2 are respectively provided with optical transparence.Two sides printing opacity is under ensureing the premise that luminous energy fully absorbs, and the occasion higher for some lighting requirements is especially suitable.
Preferably, the thickness of described trans single-layer element is between 250-300nm.
In order to improve photoelectric transformation efficiency, the present embodiment adopts P type and N-type organic semiconductor blending mode, it is easier to diffuse to interface forms separation of charge so as to improving produced exciton after absorbing light energy (electron-hole to), overcome the organic semiconductor electron-hole problem to the low vital stage.In order to improve element stability, mainly based on trans single-layer element structure, with ITO for negative electrode, after adding electron transfer layer 3, it is then coated with photoactive layer 4 and electricity hole transfer layer 5, finally plates more stable silver metal again as anode；Compared to eurymeric element using calcium metal or aluminum metal as electrode, trans element has component life more preferably and stabilised efficiency.
In order to realize real environmental protection, and improve element and make repeatability, daylight material scientific & technical corporation is based on low band gap P type semiconducting polymer material technology, develop series of novel P type semiconducting polymer material, wherein PV2000 collocation PC60BM or PC70BM, namely PV2000:PC60BM or PV2000:PC70BM material (is known materials of the prior art, this material is put on market, such as US business Polyera company, Belectric company of Germany is selling and is using this material), adopt the trans single-layer element not made by chlorinated solvents, the present embodiment is preferably used.Its through U.S. Newport certification photoelectric transformation efficiency up to 10.36% (Voc0.81V, Jsc17.1mA/cm2, FF0.75), element making can be carried out under air, ink and base material all do not need heating, it is applicable to rotary coating (spincoating), blade coating (bladecoating), the processing procedures such as slot coated (slotdiecoating), because adopting relatively thick thin film 250-300nm, have more reliability and competitiveness in thin film manufacture process control；Particularly the spendable range of molecular weight distributions of PV2000 is broad especially, and can adopt continuous way production procedure in materials synthesis manufacture, and the material produced and element possess splendid repeatability and stability, generally speaking more cost competitive.
In stability, trans single-layer element made by Fig. 2 system PV2000:PC60BM material, hot plate is used to heat (humidity is about 60-70%RH) in atmosphere, after stablizing 5 minutes under target temperature, data collected under STC1sun illumination condition, being shown by test result, made trans element heat-resisting can reach more than 100 DEG C.Trans element made by Fig. 3 system PV2000:PC60BM under 80 DEG C/65%RH air test environment, data collected under STC1sun illumination condition, test result show, still occur without obvious degradation phenomena after 10 is little.Fig. 4 be trans element made by PV2000:PC70BM after upper and lower glass-encapsulated, at metal halide lamp 100mW/cm2Under Continuous irradiation, the light completed soaks aging (lightsoaking) test, test result show, only decayed about 10% through 20,000 hours, calculate with one day 7-8 hour irradiation time, be equivalent to 7 year service life.
In one embodiment, the translucent soft organic film light cell of PV2000:PC60BM completed on PET flexible base plate, effective area 29.25cm2, photoelectric transformation efficiency is up to 5%.
Organic film light cell is unique on shape, color and transparency show, the photovoltaic cell technology that can freely convert, especially when indoor light source can effectively use, not only may replace the disposable aneroid battery of high pollution and button cell, become the environmental protection energy of consumer electronics, can network and wireless charging device by conjugate simultaneously, apply as Smart Home and office devices, be a kind of forever continuous clean energy technologies that more can press close to consumer.High efficiency photolytic activity active layers material described in the present embodiment, because synthesis step is less, repeatability is good and productivity is high, therefore there is competitiveness especially, there is highly dissoluble and workability simultaneously, with volume to volume wet printing processing procedure under air and room temperature, the soft organic film photovoltaic cell of large area made in PET base material, not only in the leading whole world of performance, more can meet the requirement to environmental protection and low cost in industrial process.
Above an embodiment of the present utility model is described in detail, but described content has been only the preferred embodiment that this utility model is created, it is impossible to be considered for limiting practical range of the present utility model.All any equivalent variations made according to this utility model application range, all should still within patent covering scope of the present utility model.
Claims (9)
1. an organic photo cell, it is characterized in that: include at least one trans single-layer element, described trans single-layer element includes the first electrode, the second electrode and electron transfer layer positioned there between, photoactive layer and electricity hole transfer layer, and in wherein said first electrode and the second electrode, at least one has optical transparence；Described first electrode is silver metal electrodes, and described second electrode is ITO electrode, and described photoactive layer is prepared from by P type semiconducting polymer material.
2. organic photo cell as claimed in claim 1, it is characterised in that: described photoactive layer is prepared from by PV2000 material.
3. organic photo cell as claimed in claim 1, it is characterised in that: described photoactive layer is prepared from by PV2000:PC60BM material.
4. organic photo cell as claimed in claim 1, it is characterised in that: described photoactive layer is prepared from by PV2000:PC70BM material.
5. the organic photo cell as described in as arbitrary in claim 1-4, it is characterised in that: also including substrate, described trans single-layer element is arranged on the substrate.
6. organic photo cell as claimed in claim 5, it is characterised in that: also including the oxygen protective layer that blocks water, it is arranged on the first electrode.
7. organic photo cell as claimed in claim 5, it is characterised in that: described substrate is PET soft plastic substrate.
8. organic photo cell as claimed in claim 1, it is characterised in that: described first electrode and described second electrode are respectively provided with optical transparence.
9. organic photo cell as claimed in claim 1, it is characterised in that: the thickness of described trans single-layer element is between 250-300nm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620189141.7U CN205406568U (en) | 2016-03-11 | 2016-03-11 | Organic solar cell |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620189141.7U CN205406568U (en) | 2016-03-11 | 2016-03-11 | Organic solar cell |
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| CN205406568U true CN205406568U (en) | 2016-07-27 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111223992A (en) * | 2018-11-27 | 2020-06-02 | 中国科学院化学研究所 | Micro-power-consumption electronic product integrated with organic photovoltaic cell |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111223992A (en) * | 2018-11-27 | 2020-06-02 | 中国科学院化学研究所 | Micro-power-consumption electronic product integrated with organic photovoltaic cell |
| CN111223992B (en) * | 2018-11-27 | 2022-03-01 | 中国科学院化学研究所 | Micro-power-consumption electronic product integrated with organic photovoltaic cell |
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