CN201629351U - Organic Optoelectronic Devices - Google Patents
Organic Optoelectronic Devices Download PDFInfo
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- CN201629351U CN201629351U CN200920245017.8U CN200920245017U CN201629351U CN 201629351 U CN201629351 U CN 201629351U CN 200920245017 U CN200920245017 U CN 200920245017U CN 201629351 U CN201629351 U CN 201629351U
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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
本实用新型提供了一种有机光电器件，至少包括阴极、围绕阴极外周的有机功能层，以及围绕在有机功能层外围的阳极，其中所述的阴极为柔性导电纤维状金属材料，阳极为带有透明导电金属氧化物的柔性基底，因此，阴极和阳极具有良好的柔韧性和可加工性，因此，其制得的产品可以做成任意不规则形状，以此满足特殊场合的需求。
The utility model provides an organic photoelectric device, which at least includes a cathode, an organic functional layer surrounding the periphery of the cathode, and an anode surrounding the periphery of the organic functional layer, wherein the cathode is a flexible conductive fibrous metal material, and the anode is a metal material with The flexible substrate of the transparent conductive metal oxide, therefore, the cathode and the anode have good flexibility and workability, therefore, the products made by it can be made into any irregular shape, so as to meet the needs of special occasions.
Description
[technical field]
The utility model relates to organic photoelectric field, particularly organic electroluminescent and photovoltaic device.
[background technology]
Photoelectron technology is the industry of the high-tech content that develops rapidly after microelectric technique.Fast development along with photoelectron technology, photoelectron products such as solar cell, optical image sensor, electricity slurry flat-panel screens, electroluminescent display, thin-film transistor and panel of LCD, all full-fledged gradually, they have improved human life greatly.Simultaneously, opto-electronic information technology has also been created growing great market in the extensive use of social life every field, and the competition of the field of opto-electronic information also worldwide launches.
The extensive use of organic material in opto-electronic device is that the effect of adding fuel to the flames has been played in the development of photoelectron technology.From 1987, Kodak was after having invented the ultra-thin organic electroluminescence device of sandwich structure on the basis of summing up forefathers, and organic optoelectronic device enters the period of high speed development.Organic optoelectronic device is widely used in fields such as photodetection, solar cell, display device.By the application of organic material, the production cost of opto-electronic device reduces significantly, and performance has had large increase.Simultaneously, utilize the device of above-mentioned organic photoelectrical material preparation to include organic electroluminescence devices (Organic Light Emitting Diode OLED) and organic photovoltaic devices (polymer solar battery PSCs) etc.
The principle of Organic Light Emitting Diode is that electronics and hole are injected into cathodic modification layer and hole injection layer from negative electrode and anode respectively, and meet in luminescent layer under certain electric field driven, and the exciton of formation finally causes the emission of visible light.And the polymer solar battery principle is when solar irradiation is mapped in the polymer semiconductor, utilize the sunlight medium wavelength to be not more than the photon of material energy gap, polymeric material absorb produce behind the photon be strapped in together electronics--the hole is to (exciton), and exciton dissociates into electronics and hole (charge carrier) when being diffused into metallic cathode and polymer interface.Under the effect of semiconductor internal electric field, charge carrier moves and is collected on electrode to the opposite electrode direction, thereby produces photoelectric current at external circuit.
At present, organic optoelectronic device mostly is that preparation is in rigid substrate (as on glass).So, it has good device performance, still, anti-vibration, shock proof ability but a little less than, and weight is heavier relatively, carries not aspect, and simultaneously, above-mentioned organic electro-optic device also is subjected to the restriction in irregular space, thereby,, be subjected to great restriction in the application of some occasion.
In view of above defective, be necessary to provide a kind of organic electro-optic device that can overcome above-mentioned defective in fact.
[utility model content]
Technical problem to be solved in the utility model provides a kind of organic electro-optic device, and it is not subjected to the restriction in irregular space.
For solving above technical problem, the utility model provides a kind of organic electro-optic device, at least comprise negative electrode, around the organic function layer of negative electrode periphery, and the anode that is centered around the organic function layer periphery, wherein said negative electrode is a compliant conductive fibrous metal material.
Described anode comprises transparent conductive metal oxide ITO layer and flexible anode substrate.
Described organic electro-optic device is encapsulated by organic transparent colloid.
Described organic function layer comprises luminescent layer and hole transmission layer.
Described hole transmission layer closely contacts with the ITO conductive layer, and the ITO conductive layer links to each other with the positive and negative electrode of direct voltage respectively with negative electrode.
For solving above technical problem, the utility model further provides a kind of organic electro-optic device, comprises negative electrode, photoactive layer, anode modification layer, ITO conductive layer successively, and anode substrate, wherein, be fibrous conductive metallic material at the bottom of described negative electrode and the positive group.
Described anode layer coats 1/4th areas of organic function layer.
Compared with prior art, the utility model organic electro-optic device has the following advantages at least: because negative electrode and anode substrate employing is flexible material, therefore, it has good pliability and machinability, so, its product that makes can be made irregularly shaped arbitrarily, satisfy the demand of special occasions with this, in addition, because the negative electrode of device and around the organic function layer of negative electrode periphery is two separated portions with anode, so the ITO conductive layer of anode can be that side by side mode closely coats to organic function layer, also can be that the mode that spiral twines coats, coating area can control, and is easy to connection in series-parallel.
[description of drawings]
Fig. 1 is the cross section structure schematic diagram of the utility model organic electroluminescence device;
Fig. 2 is the cross section structure schematic diagram of the utility model organic photovoltaic devices.
Wherein, the label of each element and correspondence thereof is as follows:
1-negative electrode 2-luminescent layer 3-hole transmission layer
4-ITO conductive layer 5-PET film 6-photoactive layer
7-anode modification layer
[embodiment]
See also shown in Figure 1ly, in the utility model first execution mode, its organic electro-optic device is an organic electroluminescence device, comprises negative electrode 1, around the organic function layer (indicating) of negative electrode, and the anode (sign) that closely contacts with organic function layer.
In the present embodiment, negative electrode 1 is a flexible conducting material, specifically is exactly conducting fibre shape metal material, more particularly, be exactly negative electrode be aluminium wire.
Organic function layer, be centered around on the negative electrode 1, comprise luminescent layer 2 and hole transmission layer 3, wherein, three (oxine) aluminium (Alq3) is as luminescent layer, simultaneously also as electron transfer layer, N, N '-diphenyl-N, N '-(3-aminomethyl phenyl)-1,1 '-biphenyl-4,4 '-diamines (TPD) is as hole transmission layer.
Anode comprises transparent conductive metal oxide ITO layer 4 and flexible anode substrate, anode substrate and cathode type seemingly are made of conducting fibre shape metal material, have good pliability and machinability, in addition, above-mentioned ITO conductive layer links to each other with the positive and negative electrode of direct voltage respectively with negative electrode.
When making above-mentioned organic electroluminescence device, the aluminium wire of at first getting length and be 10 centimetres, diameter and be 200 microns is as negative electrode; Then, above-mentioned aluminium wire was immersed in the concentrated phosphoric acid ultrasonic cleaning 15 minutes, used the absolute ethyl alcohol ultrasonic cleaning again 20 minutes, the back dries up and is transferred in the vacuum coating equipment cavity with nitrogen gun; Above-mentioned vacuum evaporation coating machine cavity is placed with Alq3 and TPD material in advance, and Alq3 is positioned over respectively in the different crucibles with TPD, and the vacuum degree in above-mentioned vacuum coating equipment cavity is higher than 1 * 10
-4During Pa, control the above-mentioned Alq3 of heating power supply start vaporizer of positive empty coating machine, through behind the sputtering sedimentation, Alq3 is coated on the aluminium wire skin, thereby, be the film of 60nm at the outer formation of aluminium wire thickness, this layer film is a luminescent layer; Then, repeat above-mentioned steps, make the TPD evaporation, and at Alq
3The outer film that forms 60nm promptly forms hole transmission layer; The aluminium wire for preparing luminescent layer and hole transmission layer is passed to the glove box that is full of nitrogen from the vacuum coating equipment chamber; The PET film that will have the ITO conductive layer then cleans up successively with KESH-1281 cleaning agent and isopropyl alcohol, and 70 ℃ dry 15 minutes down, after will have the ITO conductive layer one side towards the TPD layer, and closely coat the TPD layer, wherein, the PET film coats the area of TPD film 1/4th; At last, be coated on outermost layer, thereby be formed with organic electroluminescence devices with organic transparent colloid.
Below, please refer to shown in Figure 2ly, introduce second execution mode of the present utility model, in the present embodiment, the structure identical with first execution mode represented with identical label, different structures is represented with newly-increased label.
In the present embodiment, organic electro-optic device is an organic photovoltaic devices, comprises negative electrode, around the organic function layer of negative electrode, and the anode that closely contacts with organic function layer.Wherein, negative electrode is identical with first execution mode with anode, so, do not repeat them here.
Organic function layer, be centered around the cathode layer periphery, comprise photoactive layer 6 and anode modification layer 7, wherein, photoactive layer closely contacts with cathode layer, and photoactive layer is the blended layer of electron donor material and acceptor material, wherein, donor material is for gathering (2-methoxyl group-5-(2-ethyl-own oxygen base)-1,4-is to styrene) (MEH-PPV), and acceptor material is 1-(trimethoxy hydroxyl)-propyl group-1-phenyl-(6,6)-C61 (PCBM), and the mass ratio of donor material and acceptor material is 1: 4, and the material of anode modification layer is poly-(3,4-dioxoethyl thiophene): poly-(p styrene sulfonic acid) (PEDOT: PSS).
Following mask body is introduced the manufacture craft of above-mentioned organic photovoltaic devices: at first prepare photoactive layer solution in being full of the glove box of nitrogen, promptly take by weighing poly-(2-methoxyl group-5-(2-ethyl-own oxygen base)-1,4-is to styrene) and 1-(trimethoxy hydroxyl)-propyl group-1-phenyl-(6,6)-C61, be dissolved in the toluene at 1: 4 by mass ratio, 50 ℃ of following reflux stirred 1 hour, at room temperature stirred again 3 hours, being made into concentration is poly-(2-methoxyl group-5-(2-ethyl-own oxygen base)-1,4-is to styrene) polymer solution of 2.5mg/mL; Meanwhile, getting length is that 10cm, diameter are the aluminium wire of 200 μ m, as cathode conductive layer, aluminium wire is immersed in ultrasonic cleaning 15min in the concentrated phosphoric acid, uses the absolute ethyl alcohol ultrasonic cleaning again 20 minutes, dries up with nitrogen gun; Then, with the mode of dip-coating, promptly apply the above-mentioned polymer solution for preparing around aluminium wire, dry 45min under 80 ℃ of conditions so, forms the thick film of one deck 200nm on the aluminium wire surface, and this is a photoactive layer; Follow again, the PET film that will have an ITO conductive layer clean successively with KESH-1281 cleaning agent and isopropyl alcohol and drying after, in ITO conductive layer surface spin coating one strata (3,4-dioxoethyl thiophene): the aqueous solution of poly-(p styrene sulfonic acid), dry 20min under 100 ℃ of conditions, form the thick film of one deck 50nm, this is the anode modification layer; Then, in being full of the glove box of nitrogen, closely coat photoactive layer with the PET conducting film for preparing the anode modification layer; At last, with organic transparent colloid bag coated with PET film and the aluminium wire for preparing organic function layer, thereby, obtain organic photovoltaic devices.
In the present embodiment, be flexible material because the negative electrode of organic electro-optic device and anode substrate adopt, therefore, it has good pliability and machinability, so, when producing, it can be processed to any irregularly shaped, thereby satisfies the demand of special occasions; In addition, negative electrode and anode material are cheap, and preparation technology is simple, therefore, can just reduce cost and simplify technology.
The above only is a kind of execution mode of utility model, it or not whole or unique execution mode, the conversion of any equivalence that those of ordinary skills take technical solutions of the utility model by reading the utility model specification is claim of the present utility model and contains.
Claims (7)
1. organic electro-optic device comprises negative electrode, at least around the organic function layer of negative electrode periphery, and the anode that is centered around the organic function layer periphery, and it is characterized in that: described negative electrode is a conductive fiber shape metal material.
2. organic electro-optic device as claimed in claim 1 is characterized in that: described anode comprises transparent conductive metal oxide ITO layer and flexible anode substrate.
3. organic electro-optic device as claimed in claim 1 or 2 is characterized in that: described organic electro-optic device is encapsulated by organic transparent colloid.
4. organic electro-optic device as claimed in claim 1 or 2 is characterized in that: described organic function layer comprises luminescent layer and hole transmission layer.
5. organic electro-optic device as claimed in claim 4 is characterized in that: described hole transmission layer closely contacts with the ITO conductive layer, and the ITO conductive layer links to each other with the positive and negative electrode of direct voltage respectively with negative electrode.
6. an organic electro-optic device comprises negative electrode, photoactive layer, anode modification layer, ITO conductive layer successively, and anode substrate, and it is characterized in that: described negative electrode and anode substrate are fibrous conductive metallic material.
7. organic electro-optic device as claimed in claim 6 is characterized in that: described anode layer coats 1/4th areas of organic function layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920245017.8U CN201629351U (en) | 2009-10-30 | 2009-10-30 | Organic Optoelectronic Devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920245017.8U CN201629351U (en) | 2009-10-30 | 2009-10-30 | Organic Optoelectronic Devices |
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| CN201629351U true CN201629351U (en) | 2010-11-10 |
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| CN200920245017.8U Expired - Fee Related CN201629351U (en) | 2009-10-30 | 2009-10-30 | Organic Optoelectronic Devices |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105161585A (en) * | 2015-09-23 | 2015-12-16 | Tcl集团股份有限公司 | Fibrous quantum dot light emitting diode and manufacturing method thereof |
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2009
- 2009-10-30 CN CN200920245017.8U patent/CN201629351U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105161585A (en) * | 2015-09-23 | 2015-12-16 | Tcl集团股份有限公司 | Fibrous quantum dot light emitting diode and manufacturing method thereof |
| CN105161585B (en) * | 2015-09-23 | 2019-02-26 | Tcl集团股份有限公司 | A kind of fibrous quantum dot light-emitting diode and preparation method thereof |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101110 Termination date: 20151030 |
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| EXPY | Termination of patent right or utility model |