CN102569654A - Organic solar cell doped with phosphorescent dye - Google Patents
Organic solar cell doped with phosphorescent dye Download PDFInfo
- Publication number
- CN102569654A CN102569654A CN2012100104798A CN201210010479A CN102569654A CN 102569654 A CN102569654 A CN 102569654A CN 2012100104798 A CN2012100104798 A CN 2012100104798A CN 201210010479 A CN201210010479 A CN 201210010479A CN 102569654 A CN102569654 A CN 102569654A
- Authority
- CN
- China
- Prior art keywords
- organic solar
- body layer
- solar batteries
- batteries according
- layer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- 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
Landscapes
- Electroluminescent Light Sources (AREA)
- Photovoltaic Devices (AREA)
Abstract
The invention discloses an organic solar cell doped with phosphorescent dye, which sequentially comprises an anode, a hole transport layer, a donor layer, a receptor layer and a cathode and is characterized in that the receptor layer is made of C70 materials and the donor layer is made of macromolecule polymer materials doped with the phosphorescent dye. The donor layer is prepared via a spin-coating method, the doping ratio of the phosphorescent dye is easy to control precisely, and the maximum short-circuit current density of the prepared organic solar cell can reach 5.86mA/cm<2>.
Description
Technical field
The invention belongs to technical field of solar batteries, be specifically related to the organic solar batteries that a kind of phosphorescent coloring mixes.
Background technology
Organic solar batteries because have clean energy resource, but cost is low, preparation is simple, flexible and large tracts of land production, be easy to realize plurality of advantages such as commercialization and by broad research.In this year, the battery efficiency of report is up to 10%, near or reach the requirement of large-scale commercial applicationsization 10%, estimating in 5-10 can large scale investment production, will replace thick and heavy silica-based solar cell in some fields.
The energy conversion efficiency of organic solar batteries and efficiency of light absorption, exciton diffuser efficiency, exciton dissociation efficient are relevant with charge collection efficiency.Experimentally there are a lot of methods to improve absorption efficiency, separative efficiency and collection efficiency, and the research of exciton diffuser efficiency is reported seldom.The increase of exciton diffusion length can cause more exciton can be diffused into to body/acceptor (D/A) interface, and then separation of charge takes place, and produces more photoelectric current.But, because effect is prohibited in spin, the exciton that general optical excitation produces is the singlet state exciton, and this type exciton life-span is shorter, and diffusion length is lower, has restricted the further raising of organic solar batteries efficient.Because the triplet exciton life-span is long, triplet state exciton diffusion length is bigger than singlet state exciton diffusion length, adopts special construction can produce more separated charge to improve the energy conversion efficiency of photovoltaic device.
Application number is the method for measurement that 200710032263.0 Chinese invention patent discloses a kind of triplet state exciton diffusion length and energy transfer length, comprises making the phosphorescence Organic Light Emitting Diode that the material of main part layer thickness has nothing in common with each other; Under the condition that feeds same current density, constantly change the phosphorescence Organic Light Emitting Diode, detect the emissive porwer of luminescent layer and the relation of spatial separation layer thickness, draw the diffusion length of triplet exciton; Under the condition that feeds same current density, constantly change the phosphorescence Organic Light Emitting Diode, detect the emissive porwer of luminescent layer, draw the energy transfer length of triplet exciton.This invention all has important directive significance to the design of phosphorescence Organic Light Emitting Diode, the apolegamy of material, the optimization of device and the raising of luminous efficiency.
Application number is that 201010572408.8 Chinese invention patent discloses a kind of organic solar batteries that the Doping Phosphorus luminescent material is given the body layer that has.Invent the device of said structure, by anode, hole transmission layer, forms for body layer, receptive layers, electron transfer layer and negative electrode, it is characterized in that: hole transmission layer and give between the body layer also preparation have one deck Doping Phosphorus luminescent material to the body layer.Phosphor material be Ir (btp) (acac) 2, Ir (piq) 3, Ir (ppy) (acac), (F-BT) 2-Ir (acac), Ir (piq) 2 (acac) or Ir (ppy) 3, the doping content of phosphor material is 3wt%～15wt%.The structure of this invention is mixed phosphor material in the donor material far away of distance B/A interface through adopting; In the efficient of the utilization that improves exciton; Both combined donor material optical absorption characteristics and carrier transmission performance preferably, and weakened again and mixed the influence of carrier mobility.
Foregoing invention all is that the preparation method of employing is a vacuum vapour deposition to micromolecule organic solar device or micromolecule luminescent device, and concentration is difficult to accurate control in the preparation process; Long-time heat evaporation coating is unusual consumes energy also; In addition, relative high molecular polymer donor material, the selection of micromolecule donor material kind is more single.
Summary of the invention
The present invention is directed to the deficiency of prior art; The organic solar batteries that provides a kind of phosphorescent coloring to mix; It adopts that the solution spin-coating method prepares that phosphorescent coloring mixes gives the body layer, compares heating in vacuum and steams control phosphor material doping ratio altogether, and the phosphor material doping ratio of solution spin-coating method is more accurate.Acceptor material of the present invention adopts the better C of absorption characteristic
70
The organic solar batteries that a kind of phosphorescent coloring mixes, its structure comprise anode, hole transmission layer successively, give body layer, receptive layers and negative electrode, and it is characterized in that: receptive layers is C
70Material, giving the body layer is the macromolecule polymer material that phosphorescent coloring mixes.
Further, give in the body layer, macromolecule polymer material is MEH-PPV.
Further, give in the body layer, phosphorescent coloring is PtOEP.
Further, give in the body layer, the mass ratio of macromolecule polymer material and phosphorescent coloring is 100: (3 ~ 20), preferred 100: (5 ~ 10).
Further, giving the thickness of body layer is 20 ~ 60nm, preferred 25 ~ 40nm.
Further, the thickness of hole transmission layer is 40nm, and the thickness of receptive layers is 30nm.
Further, give the concrete preparation process of body layer following:
C1) configuration mixed solvent: with mixing chlorobenzene in the chloroform, the volume ratio of chloroform and chlorobenzene is 100:5;
C2) MEH-PPV and PtOEP are dissolved in above-mentioned mixed solvent, are made into mixed solution by desired concn, mixed solution concentration is 1mg/ml;
C3) mixed solution is spun on the hole transmission layer.
Further, the concrete preparation method of described organic solar batteries is following:
A) anode is ITO, and the ITO of scrub was used acetone, alkali lye, deionized water, ethanol each ultrasonic 10 minutes successively, dries up with nitrogen gun then;
B) preparation of hole transmission layer: PEDOT:PSS is spun on the ITO surface, in vacuum drying chamber, dries then;
C) the body layer is given in spin coating;
D) vacuum coating C
70Receptive layers and Al negative electrode, vacuum degree is 7.0 * 10
-4Below the Pa; C
70Evaporation rate be 0.05～0.12 nm/s, the average evaporation rate of Al negative electrode is 0.4～0.6 nm/s.
The present invention is owing to adopt spin-coating method to prepare to the body layer, and the ratio that phosphorescent coloring mixes is accurately control easily, and the organic solar batteries of preparation, short-circuit current density are up to 5.86 mA/cm
2, much larger than short-circuit current density 3.54 mA/cm of Chinese patent 201010572408.8 said batteries
2
Description of drawings
Fig. 1 is the structural representation of organic solar batteries of the present invention, and among the figure, 1 is glass substrate, and 2 is anode, and 3 is hole transmission layer, and 4 is that 5 is receptive layers to the body layer, and 6 is negative electrode.
Fig. 2 is short-circuit current density-voltage curve of embodiment 1 and comparative example 1.
Fig. 3 is to bulk layer thickness-short-circuit current density statistic curve figure.
Embodiment
The structural representation of the organic solar batteries that phosphorescent coloring mixes is as shown in Figure 1, on glass substrate 1, is followed successively by anode 2, hole transmission layer 3, gives body layer 4, receptive layers 5, negative electrode 6.Detailed preparation process is following:
A) anode 2 is ITO.At first clean repeatedly, again the ITO of scrub is put into clean beaker and used acetone, alkali lye, deionized water, ethanol successively ultrasonic 10 minutes, dry up with nitrogen gun then with the chloroform cotton balls.
B) preparation of hole transmission layer 3 is spun on the ITO surface with PEDOT:PSS by the speed of 2000rpm, then in vacuum drying chamber through 120 ℃ of oven dry 30 minutes, thickness is 40nm.
C1) configuration mixed solvent: with mixing chlorobenzene in the chloroform, the volume ratio of chloroform and chlorobenzene is 100:5, and purpose is for the uniformity that increases film thickness and plays the effect that changes film surface appearance;
C2) macromolecule polymer material MEH-PPV and phosphorescent coloring PtOEP are dissolved in the above-mentioned mixed solvent form mixed solution, solution concentration is 1mg/ml; The mass ratio of MEH-PPV and PtOEP is 100:5;
C3) mixed solution is spun on the hole transmission layer 3; Giving body layer 4 thickness is 25nm;
D) with MOCVD system vacuum vapor deposition C
70Receptive layers and Al negative electrode, vacuum degree is 7.0 * 10
-4Below the Pa; C
70Evaporation rate be 0.05 nm/s, the average evaporation rate of Al negative electrode is 0.4 nm/s.
Device
J-VThrough AM 1.5 solar simulators (ABET Technologies, Sun 2000 Solar simulator) 100mW/cm
2Standard sources under measure to obtain.Film thickness is measured through Alpha-step 500 surface profilers and ultra-violet absorption spectrum and is obtained.MEH-PPV, MEH-PPV:PtOEP 5wt%, C
70The optical constant of film is measured by ultraviolet photometer and is obtained through F-B model match mode.The theoretical current density of device obtains through the optical delivery matrix computations.
ITO is available from company of SHENZHEN NANBO, and its face resistance is less than 10 Ω/; PEDOT:PSS (P4083) is available from German Bell Co.; Polymer MEH-PPV synthetic method is seen document Synthetic Metals 99,1999,243 – 248, and its molecular structure is following:
PtOEP is available from U.S. Aldrich Chem. Co company, and its molecular structure is following:
。
C
70Available from company of domestic Yongxin, its molecular structure is following:
The structure of the organic solar batteries (device 1) of present embodiment preparation is:
Glass/ITO(180?nm)/PEDOT:PSS(40?nm)/?MEH-PPV:5wt%PtOEP(25?nm)/?C
70?(30?nm)/Al?(150?nm)。
The comparative example 1
Compare with embodiment 1, give in the body layer 4 among the comparative example 1 and do not mix phosphorescent coloring, the preparation process is similar, and the structure of the organic solar batteries of preparation (device 2) is:
Glass/ITO(180?nm)/PEDOT:PSS(40?nm)/MEH-PPV(25?nm)/C
70?(30?nm)/Al?(150?nm)。
The device 1 that phosphorescent coloring mixes and the short-circuit current density-voltage curve of unadulterated device 2 are as shown in Figure 2.As can be seen from the figure, doping device 1 is respectively 5.86 mA/cm with the maximum short circuit current density of the device 2 that do not mix
2With 4.51 mA/cm
2, after the doping, short-circuit current density has improved 30%, and energy conversion efficiency has improved 42%, and fill factor, curve factor FF remains unchanged basically.
Compare with embodiment 1, give in the body layer 4 among the embodiment 2 and mix phosphorescent coloring Ir (piq)
2Acac, its molecular structure is following:
。
Preparation process and instance 1 are similar, and the structure of the organic solar batteries of preparation (device 3) is:
Glass/ITO(180?nm)/PEDOT:PSS(40?nm)/?MEH-PPV:5wt%Ir(piq)
2acac?(25?nm)/?C
70?(30?nm)/Al?(150?nm)。
The maximum short circuit current density of device 3 is 4.54 mA/cm
2, open circuit voltage is 0.46V, fill factor, curve factor FF remains unchanged basically.
Compare with embodiment 1, difference is that in the body layer 4, the mass ratio of macromolecule polymer material and phosphorescent coloring is 100:3, and the performance of the organic solar batteries of preparation is:
Device maximum short circuit current density is 4.56 mA/cm
2, open circuit voltage is 0.53V, fill factor, curve factor FF remains unchanged.
Compare with embodiment 1, difference is that in the body layer 4, the mass ratio of macromolecule polymer material and phosphorescent coloring is 100:10, and the performance of the organic solar batteries of preparation is:
Device maximum short circuit current density is 4.50 mA/cm
2, open circuit voltage is 0.52V, fill factor, curve factor FF is lower.
Compare with embodiment 1, difference is that in the body layer 4, the mass ratio of macromolecule polymer material and phosphorescent coloring is 100:20, and the performance of the organic solar batteries of preparation is:
Device maximum short circuit current density is 4.05 mA/cm
2, open circuit voltage is 0.52V, fill factor, curve factor FF is lower.
Among Fig. 3, the category-A device is for giving the organic solar batteries of body layer 4 thickness, its C with the difference of embodiment 1 method preparation
70Evaporation rate be 0.05～0.12 nm/s, the average evaporation rate of Al negative electrode is 0.4～0.6 nm/s; The category-B device is the organic solar batteries that the difference of not Doping Phosphorus photoinitiator dye preparation is given body layer 4 thickness, its C
70Evaporation rate be 0.05～0.12 nm/s, the average evaporation rate of Al negative electrode is 0.4～0.6 nm/s.As can beappreciated from fig. 3, the category-B device average short-circuit current density when being 45nm for body layer 4 thickness that do not mix sharply drops to 1.91mA/cm
2, and even category-A doping device is when being 55nm for body layer 4 thickness, average short-circuit current density still is 3.88mA/cm
2About.At this moment, both theoretical maximum short circuit current density curves all increase.To the category-A device; Generate triplet through intersystem crossing for the singlet excited of body layer 4 high molecular polymer; Perhaps phosphorescent coloring directly is activated into triplet as trap; The triplet exciton life-span of these two types of different transform modes is long, and diffusion length is long, causes size of current not obvious with varied in thickness.To the category-B device; When giving body layer 4 thickness thicker; Mean the singlet state exciton apart from separation of charge face (D/A) farthest, promptly hole transmission layer 3/ is given body layer 4 singlet state exciton at the interface, because diffusion length is shorter; Diffusion produces radiation recombination or radiationless compound less than parting surface (D/A), lose most of electric current.In addition, category-A doping device when being 25nm for body layer 4 thickness, maximum current density 5.86 mA/cm
2Very near Theoretical Calculation maximum current density 7.06mA/cm
2, the triplet exciton that promptly produces this moment almost all is separated into electric charge carrier.Giving body layer 4 thickness 35 ~ 40nm scope; The do not mix current density of device of category-A doping device and category-B begins to occur bigger difference, also can be similar to be considered to the maximum diffusion length that the category-B device is given the singlet state exciton of body layer 4 macromolecule polymer material here.Fig. 3 is with theoretical short-circuit current density value standard as a reference; Through test component short-circuit current density and the relation of giving body layer 4 thickness; Confirmed that the Doping Phosphorus photoinitiator dye can effectively improve the generation ratio of triplet exciton in the device; Cause diffusion length to increase, exciton can effectively be diffused into to body/acceptor (D/A) interface and carry out separation of charge.Fig. 3 has checked in the Doping Phosphorus photoinitiator dye device triplet exciton ratio to increase and the maximum diffusion length of the singlet state exciton of Doping Phosphorus photoinitiator dye macromolecule polymer material not, also not have the report of being correlated with at present.
Category-A device and category-B device are given body layer 4 thickness and short-circuit current density sizes values in the table 1 data corresponding diagram 3, can find out from table 1, and the category-A device is best to be 25 ~ 40nm to body layer 4 thickness, and device repeatability is better also given the body layer material than practicing thrift simultaneously in this scope; In addition, this scope is also near the theoretical average diffusion length (30nm) of triplet exciton.The category-B device is not owing to mix phosphorescent coloring, and the integral device performance is lower, and when giving body layer 4 thickness thicker, short-circuit current density sharply descends.
Table 1 category-A, category-B device are given bulk layer thickness and average short-circuit current density, maximum short circuit current density meter
Claims (10)
1. the organic solar batteries that mixes of a phosphorescent coloring, its structure comprises anode, hole transmission layer successively, gives body layer, receptive layers and negative electrode, and it is characterized in that: receptive layers is C
70Material, giving the body layer is the macromolecule polymer material that phosphorescent coloring mixes.
2. organic solar batteries according to claim 1 is characterized in that: give in the body layer, macromolecule polymer material is MEH-PPV.
3. organic solar batteries according to claim 2 is characterized in that: give in the body layer, phosphorescent coloring is PtOEP.
4. organic solar batteries according to claim 3 is characterized in that: give in the body layer, the mass ratio of macromolecule polymer material and phosphorescent coloring is 100: (3 ~ 20).
5. organic solar batteries according to claim 4 is characterized in that: give in the body layer, the mass ratio of macromolecule polymer material and phosphorescent coloring is 100: (5 ~ 10).
6. organic solar batteries according to claim 5 is characterized in that: giving the thickness of body layer is 20 ~ 60nm.
7. organic solar batteries according to claim 6 is characterized in that: giving the thickness of body layer is 25 ~ 40nm.
8. organic solar batteries according to claim 7 is characterized in that: the thickness of hole transmission layer is 40nm, and the thickness of receptive layers is 30nm.
9. organic solar batteries according to claim 8 is characterized in that: give the concrete preparation process of body layer following:
C1) configuration mixed solvent: with mixing chlorobenzene in the chloroform, the volume ratio of chloroform and chlorobenzene is 100:5;
C2) MEH-PPV and PtOEP are dissolved in above-mentioned mixed solvent, are made into mixed solution by desired concn, mixed solution concentration is 1mg/ml;
C3) mixed solution is spun on the hole transmission layer.
10. organic solar batteries according to claim 9 is characterized in that its concrete preparation method is following:
A) anode is ITO, and the ITO of scrub was used acetone, alkali lye, deionized water, ethanol each ultrasonic 10 minutes successively, dries up with nitrogen gun then;
B) preparation of hole transmission layer: PEDOT:PSS is spun on the ITO surface, in vacuum drying chamber, dries then;
C) the body layer is given in spin coating;
D) vacuum coating C
70Receptive layers and Al negative electrode, vacuum degree is 7.0 * 10
-4Below the Pa; C
70Evaporation rate be 0.05～0.12 nm/s, the average evaporation rate of Al negative electrode is 0.4～0.6 nm/s.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210010479.8A CN102569654B (en) | 2012-01-13 | 2012-01-13 | Organic solar cell doped with phosphorescent dye |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210010479.8A CN102569654B (en) | 2012-01-13 | 2012-01-13 | Organic solar cell doped with phosphorescent dye |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102569654A true CN102569654A (en) | 2012-07-11 |
| CN102569654B CN102569654B (en) | 2015-05-13 |
Family
ID=46414558
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210010479.8A Expired - Fee Related CN102569654B (en) | 2012-01-13 | 2012-01-13 | Organic solar cell doped with phosphorescent dye |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102569654B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101483221A (en) * | 2009-01-20 | 2009-07-15 | 华南理工大学 | Polymer body heterojunction solar cell and preparation thereof |
| CN101599532A (en) * | 2009-07-03 | 2009-12-09 | 电子科技大学 | A kind of organic electro-optic device and preparation method thereof |
| US20090308456A1 (en) * | 2008-06-13 | 2009-12-17 | Interuniversitair Microelektronica Centrum (Imec) | Photovoltaic Structures and Method to Produce the Same |
| CN102024906A (en) * | 2010-09-30 | 2011-04-20 | 中国科学院半导体研究所 | Organic solar cell structure based on oxide doped organic material |
| CN102097593A (en) * | 2010-12-02 | 2011-06-15 | 吉林大学 | Organic solar battery having phosphorescent material-doped donor layer |
-
2012
- 2012-01-13 CN CN201210010479.8A patent/CN102569654B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090308456A1 (en) * | 2008-06-13 | 2009-12-17 | Interuniversitair Microelektronica Centrum (Imec) | Photovoltaic Structures and Method to Produce the Same |
| CN101483221A (en) * | 2009-01-20 | 2009-07-15 | 华南理工大学 | Polymer body heterojunction solar cell and preparation thereof |
| CN101599532A (en) * | 2009-07-03 | 2009-12-09 | 电子科技大学 | A kind of organic electro-optic device and preparation method thereof |
| CN102024906A (en) * | 2010-09-30 | 2011-04-20 | 中国科学院半导体研究所 | Organic solar cell structure based on oxide doped organic material |
| CN102097593A (en) * | 2010-12-02 | 2011-06-15 | 吉林大学 | Organic solar battery having phosphorescent material-doped donor layer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102569654B (en) | 2015-05-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Cai et al. | Organic dye-sensitized solar cells with a cobalt redox couple: influences of π-linker rigidification and dye–bath solvent selection | |
| CN104725613B (en) | n-type water and alcohol soluble conjugated polymer material containing naphtho-diamide ring, and preparation method and application of material | |
| CN108598265B (en) | preparation method of active layer of organic solar cell | |
| Liu et al. | Insight into the efficiency and stability of all-polymer solar cells based on two 2D-conjugated polymer donors: achieving high fill factor of 78% | |
| CN107946463B (en) | Based on using two [1,2,5] thiadiazoles of naphthalene [1,2-c:5,6-c] as the optical detector of the polymer of core | |
| CN106410037A (en) | Small organic molecule donor material based double-junction solar cell device and preparation method thereof | |
| WO2013127227A1 (en) | Amine-oxide-group-containing conjugated polymer photoelectric material and application thereof | |
| Shang et al. | Ethanol‐Processable Polyfuran Derivative for Eco‐Friendly Fabrication of Organic Solar Cells Featuring Self‐Healing Function | |
| CN112646129B (en) | N-type water/alcohol-soluble conjugated polyelectrolyte containing benzobisthiadiazole and preparation and application thereof | |
| CN103794374A (en) | Organic-inorganic hybridization solar cell based on graphene doped with P3HT and manufacturing method thereof | |
| CN102134308A (en) | Aza-fluorenone conjugated polymer photoelectric material and preparation and application methods thereof | |
| CN100582129C (en) | Rear modified polyvinyl carbazole material and preparation method and uses thereof | |
| CN101826599B (en) | Polymer solar battery with high open-circuit voltage | |
| CN102569654B (en) | Organic solar cell doped with phosphorescent dye | |
| CN105367480A (en) | Mono-alkyl-substituted H bond bioxindol-containing monomer, preparation of its copolymer and application thereof | |
| CN105418895B (en) | Thiophene is the preparation for the bioxindol conjugated polymer that space isolates group, purposes | |
| Wang et al. | Improving the all-polymer solar cell performance by adding a narrow bandgap polymer as the second donor | |
| CN105367756B (en) | A kind of preparation and use of indole derivatives and the double tin copolymers of benzene thiophene | |
| Yu et al. | Integration of Conjugated Copolymers‐Based Luminescent Solar Concentrators with Excellent Color Rendering and Organic Photovoltaics for Efficiently Converting Light to Electricity | |
| CN110452363B (en) | Organic solar cell and preparation method thereof | |
| CN109860392B (en) | Organic solar cell with functionalized graphene quantum dots as electron transport layer and preparation method thereof | |
| CN102120814A (en) | Soluble azafluorene conjugated polymer material as well as preparation and application thereof | |
| CN103378293B (en) | A kind of solaode and preparation method thereof | |
| CN105336867A (en) | Conductive composite obtained by dispersing poly(3,4-ethylenedioxythiophene) with naphthalenesulfonic acid-formaldehyde condensation compound and preparation method and application thereof | |
| Lin et al. | Pyrene-imidazole based aggregation modifier leads to enhancement in efficiency and environmental stability for ternary organic solar cells |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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: 20150513 Termination date: 20210113 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |