WO2012057503A2 - Photopile sensibilisée par un colorant et son procédé de fabrication - Google Patents
Photopile sensibilisée par un colorant et son procédé de fabrication Download PDFInfo
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- WO2012057503A2 WO2012057503A2 PCT/KR2011/007991 KR2011007991W WO2012057503A2 WO 2012057503 A2 WO2012057503 A2 WO 2012057503A2 KR 2011007991 W KR2011007991 W KR 2011007991W WO 2012057503 A2 WO2012057503 A2 WO 2012057503A2
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- WIPO (PCT)
- Prior art keywords
- dye
- solar cell
- sensitized solar
- graphene
- carbon black
- Prior art date
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title claims abstract description 22
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 184
- 239000002041 carbon nanotube Substances 0.000 claims abstract description 112
- 229910021393 carbon nanotube Inorganic materials 0.000 claims abstract description 110
- 239000006229 carbon black Substances 0.000 claims abstract description 77
- 229910021389 graphene Inorganic materials 0.000 claims description 72
- 239000000975 dye Substances 0.000 claims description 57
- 239000011358 absorbing material Substances 0.000 claims description 41
- 239000002245 particle Substances 0.000 claims description 13
- 230000031700 light absorption Effects 0.000 claims description 9
- 238000004873 anchoring Methods 0.000 claims description 7
- 239000006096 absorbing agent Substances 0.000 claims description 4
- 239000002109 single walled nanotube Substances 0.000 claims description 3
- 239000002071 nanotube Substances 0.000 claims 1
- 239000000758 substrate Substances 0.000 description 20
- 239000003792 electrolyte Substances 0.000 description 12
- 239000004065 semiconductor Substances 0.000 description 12
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 9
- 229910010413 TiO 2 Inorganic materials 0.000 description 9
- 239000011521 glass Substances 0.000 description 8
- 239000000126 substance Substances 0.000 description 8
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 7
- 229910052707 ruthenium Inorganic materials 0.000 description 7
- 238000001179 sorption measurement Methods 0.000 description 7
- 125000000896 monocarboxylic acid group Chemical group 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 5
- 238000000231 atomic layer deposition Methods 0.000 description 4
- 239000010408 film Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 3
- 238000005229 chemical vapour deposition Methods 0.000 description 3
- 239000002105 nanoparticle Substances 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- OOWFYDWAMOKVSF-UHFFFAOYSA-N 3-methoxypropanenitrile Chemical compound COCCC#N OOWFYDWAMOKVSF-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 230000002745 absorbent Effects 0.000 description 2
- 239000002250 absorbent Substances 0.000 description 2
- 238000000149 argon plasma sintering Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 238000003487 electrochemical reaction Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 2
- 125000000923 (C1-C30) alkyl group Chemical group 0.000 description 1
- IVCMUVGRRDWTDK-UHFFFAOYSA-M 1-methyl-3-propylimidazol-1-ium;iodide Chemical compound [I-].CCCN1C=C[N+](C)=C1 IVCMUVGRRDWTDK-UHFFFAOYSA-M 0.000 description 1
- UUIMDJFBHNDZOW-UHFFFAOYSA-N 2-tert-butylpyridine Chemical compound CC(C)(C)C1=CC=CC=N1 UUIMDJFBHNDZOW-UHFFFAOYSA-N 0.000 description 1
- 101000742346 Crotalus durissus collilineatus Zinc metalloproteinase/disintegrin Proteins 0.000 description 1
- 229920003944 DuPont™ Surlyn® 1702 Polymers 0.000 description 1
- 101000872559 Hediste diversicolor Hemerythrin Proteins 0.000 description 1
- ZMZDMBWJUHKJPS-UHFFFAOYSA-M Thiocyanate anion Chemical compound [S-]C#N ZMZDMBWJUHKJPS-UHFFFAOYSA-M 0.000 description 1
- 229910021417 amorphous silicon Inorganic materials 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 239000008393 encapsulating agent Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- ZMZDMBWJUHKJPS-UHFFFAOYSA-N hydrogen thiocyanate Natural products SC#N ZMZDMBWJUHKJPS-UHFFFAOYSA-N 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical group [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 description 1
- 230000000243 photosynthetic effect Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 229910000314 transition metal oxide Inorganic materials 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/20—Light-sensitive devices
- H01G9/2027—Light-sensitive devices comprising an oxide semiconductor electrode
- H01G9/2031—Light-sensitive devices comprising an oxide semiconductor electrode comprising titanium oxide, e.g. TiO2
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y10/00—Nanotechnology for information processing, storage or transmission, e.g. quantum computing or single electron logic
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/20—Light-sensitive devices
- H01G9/2059—Light-sensitive devices comprising an organic dye as the active light absorbing material, e.g. adsorbed on an electrode or dissolved in solution
- H01G9/2063—Light-sensitive devices comprising an organic dye as the active light absorbing material, e.g. adsorbed on an electrode or dissolved in solution comprising a mixture of two or more dyes
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
- H10K85/20—Carbon compounds, e.g. carbon nanotubes or fullerenes
- H10K85/221—Carbon nanotubes
-
- 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
- Y02E10/542—Dye sensitized solar cells
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Definitions
- the present invention relates to a dye-sensitized solar cell and a method for manufacturing the same, and more specifically, a dye using carbon nanotubes (CNT), graphene (graphene) or carbon black (carbon black) as a light absorbing material. It relates to a sensitized solar cell and a method of manufacturing the same.
- CNT carbon nanotubes
- graphene graphene
- carbon black carbon black
- Dye-sensitized solar cells have the potential to replace conventional amorphous silicon solar cells because their manufacturing cost is significantly lower than conventional silicon-based solar cells.
- dye-sensitized solar cells are photoelectrochemical solar cells whose main components are dye molecules capable of absorbing light to generate electron-hole pairs, and transition metal oxides for transferring generated electrons, unlike silicon solar cells.
- 1 is a view for explaining the structure and development principle of a general dye-sensitized solar cell.
- the dye-sensitized solar cell 10 includes transparent glass substrates 11 and 12 to which the transparent films 13 and 14 are attached, a catalyst counter electrode 15, nanoparticles TiO 2 , and the like.
- a working electrode (16) or photoelectrode, a dye (17), an electrolyte (Electrolyte) 18, and an encapsulant 19 having a titanium dioxide structure may be included.
- the dye-sensitized solar cell 10 has a nanoparticle-structured working electrode 16 and an electrolyte in which a specific dye 17 is adsorbed between two glass substrates 11 and 12 to which the transparent electrode films 13 and 14 are respectively attached. It is formed into a structure filled with (18).
- the transparent electrode films 13 and 14 may be ATO, ITO or FTO, and are typically provided in a state formed on the glass substrates 11 and 12.
- the dye-sensitized solar cell 10 is a cell having a concept similar to the principle of photosynthetic action of plants, and includes a photosensitive dye 17 which absorbs light and a working electrode which is a titania electrode having a nano structure supporting the dye 17. (16), an electrolyte 18 and a catalyst counter electrode 15 are solar cells.
- Dye-sensitized solar cell 10 does not use p-type and n-type semiconductor junctions like conventional silicon solar cells or thin-film solar cells, but produces electricity by electrochemical principles, and is high in theoretical efficiency and environmentally friendly. It is expected to be the most suitable solar cell for green energy.
- the dye 17 In the dye-sensitized solar cell 10, when the external light reaches the dye 17, the dye 17 generates electrons, and the electrons are received by the working electrode 16, which is a porous oxide semiconductor (mostly TiO 2 is used). Deliver to the outside. Thereafter, the electrons reach the counter electrode 15 while flowing in an external circuit. At this time, since electrons escaped from the dye 17 of the working electrode 16 to the outside, one electron is again supplied to the dye 16 from the ions inside the electrolyte 18, and the electrons returned from the outside to the counter electrode are returned again. The energy transfer process is continuously performed by being transferred to the ions in the electrolyte 18.
- the working electrode 16 which is a porous oxide semiconductor (mostly TiO 2 is used). Deliver to the outside. Thereafter, the electrons reach the counter electrode 15 while flowing in an external circuit. At this time, since electrons escaped from the dye 17 of the working electrode 16 to the outside, one electron is again supplied to the dye 16 from the ions inside the electrolyte 18, and the electrons
- the dye-sensitized solar cell module is provided in the form of a module in which a plurality of dye-sensitized solar cells 10 shown in Figure 1 are arranged in series or in parallel.
- the light absorbing dye (17) mainly absorbs only the visible light region, so the efficiency is low, and the light absorbing dye is expensive, and the main cause of the increase in the manufacturing cost of the dye-sensitized solar cell is high. Accordingly, there is an urgent need for the development of various methods that can reduce the manufacturing cost while increasing the efficiency of the dye-sensitized solar cell.
- the technical problem to be solved by the present invention for solving the above-mentioned problems is to increase the efficiency of the solar cell by extending the light absorption wavelength band, it is possible to significantly lower the manufacturing cost of the solar cell by using a low-cost light absorbing material It is to provide a dye-sensitized solar cell and a method of manufacturing the same.
- the light absorbing material is carbon nanotubes (CNT), graphene (graphene) or carbon black (carbon It provides a dye-sensitized solar cell comprising a black).
- the light absorbing material is characterized in that it comprises a) a light absorbing dye and b) carbon nanotubes (CNT), graphene (graphene) or carbon black (carbon black).
- CNT carbon nanotubes
- graphene graphene
- carbon black carbon black
- the present invention also provides a method for manufacturing a dye-sensitized solar cell comprising adsorbing a light absorbing material on a working electrode, wherein the light absorbing material is carbon nanotubes (CNT), graphene or carbon black. It provides a method for producing a dye-sensitized solar cell comprising a black).
- CNT carbon nanotubes
- the light absorbing material is characterized in that it comprises a) a light absorbing dye and b) carbon nanotubes (CNT), graphene (graphene) or carbon black (carbon black).
- CNT carbon nanotubes
- graphene graphene
- carbon black carbon black
- CNT carbon nanotubes
- graphene graphene
- carbon black carbon black
- 1 is a view for explaining the structure and development principle of a general dye-sensitized solar cell.
- FIG. 2 is a view for explaining the principle of power generation of the dye-sensitized solar cell according to an embodiment of the present invention.
- J sc short-circuit photocurrent density
- the present invention is a dye-sensitized solar cell comprising a light absorbing material, characterized in that the light absorbing material comprises carbon nanotubes (CNT), graphene (graphene) or carbon black (carbon black).
- the light absorbing material comprises carbon nanotubes (CNTs), and more preferably single wall carbon nanotubes (CNTs).
- the dye-sensitized solar cell except for the light absorbing material, such as carbon nanotubes (CNT), graphene, or carbon black, are known dye-sensitizing agents using only dye as a conventional light absorbing material.
- CNT carbon nanotubes
- graphene graphene
- carbon black known dye-sensitizing agents using only dye as a conventional light absorbing material.
- a dye-sensitized solar cell module as shown in Figure 1 is a provided with a light absorbing material adsorbed porous oxide semiconductor layer (typically, a porous TiO 2) a working electrode (photoelectrode) A working electrode substrate formed on the first transparent glass substrate; A counter electrode substrate laminated with the working electrode substrate and having a catalytic counter electrode formed on a second transparent glass substrate; And an electrolyte injected into the laminated counter electrode substrate and the working electrode substrate. It may also further comprise a light scattering layer on the working electrode.
- a well known dye-sensitized solar cell dye such as ruthenium-based dyes or organic dyes may be used.
- the carbon nanotube (CNT), graphene (graphene) or carbon black (carbon black) absorbs light and transfers electrons to a working electrode, thereby providing a mechanism similar to that of a light-absorbing dye of a conventional dye-sensitized solar cell. Indicates.
- the carbon nanotubes (CNT), graphene (graphene) or carbon black (carbon black) in the present invention is preferably a particle size of 0.01-100 nm.
- carbon nanotubes (CNT), graphene, or carbon black may generate electrons by absorbing light from the ultraviolet region to the infrared region of the dye-sensitized solar cell. The smaller it can absorb light of a short wavelength band (ultraviolet region), and the larger the particle diameter can absorb light of a long wavelength band (infrared region). Therefore, carbon nanotubes (CNT), graphene (graphene) or carbon black (carbon black) is preferably adsorbed by varying the size distribution of the particle size when adsorbed on the porous oxide semiconductor.
- the carbon nanotubes (CNT), graphene (graphene) or carbon black (carbon black) adsorbed on the working electrode may be a chemical bond or a physical bond, the chemical bond may be applied to the wet coating
- the physical bonding may be a known method such as chemical vapor deposition (CVD) or atomic layer deposition (ALD).
- carbon nanotubes (CNT), graphene (graphene) or carbon black (carbon black) for the chemical bonding can be adsorbed by attaching an anchoring group at the end group, specific examples of the anchoring group has the following structural formula Can be used.
- one carbon nanotube (CNT), graphene (graphene) or carbon black (carbon black) may have 1-100 anchoring groups.
- the carbon nanotubes (CNT), graphene (graphene) or carbon black (carbon black) of the present invention may further include an electron group or light absorber at the end, in this case
- the efficiency of the dye-sensitized solar cell can be further improved.
- the electron group or the light absorption pendent may be a known electron group or a light absorption pendent, and in particular, C6-C50 may be substituted or unsubstituted.
- An aryl group or a substituted or unsubstituted C1-C30 alkyl group may be used.
- one carbon nanotube (CNT), graphene or carbon black may have various numbers (for example, 1-100) of electron groups or light absorption pendents. Can have
- the light absorbing material adsorbed on the porous oxide semiconductor in the dye-sensitized solar cell of the present invention may be a) light absorbing dye and b) carbon nanotubes (CNT), graphene (carbonene) or carbon black (carbon black).
- 2 is a view showing the principle of the dye-sensitized solar cell of the present invention.
- the light absorbing dye in the visible region, a) the light absorbing dye may absorb light, and in the ultraviolet and infrared regions, b) carbon nanotubes (CNT), graphene, or carbon black may absorb the light. .
- the amount of a) light-absorbing dye and b) carbon nanotubes (CNT), graphene (carbonene) or carbon black (carbon black) adsorbed on the porous oxide semiconductor is optionally adjustable, for example, the light absorbing material is a A) 30-70% by weight of a light absorbing dye and b) 30-70% by weight of carbon nanotubes (CNT), graphene or carbon black.
- a) light-absorbing dye can be applied to a variety of dyes that can be used as a light-absorbing material in the dye-sensitized solar cell, of course, all known ruthenium-based, organic dyes and the like can be applied.
- the present invention is a carbon nanotube (CNT), graphene (carbonene) or carbon black of all or part of the expensive light-absorbing dye of the dye-sensitized solar cell using only the light-absorbing dye as a conventional light-absorbing material )
- CNT carbon nanotube
- carbonene carbonene
- carbon black carbon black
- the present invention also provides a method for manufacturing a dye-sensitized solar cell comprising adsorbing a light absorbing material on a working electrode, wherein the light absorbing material is carbon nanotubes (CNT), graphene or carbon black. It provides a method for producing a dye-sensitized solar cell comprising a black).
- the light absorbing material is carbon nanotubes (CNTs), and more preferably single wall carbon nanotubes (CNTs).
- steps of the dye-sensitized solar cell manufacturing method except the adsorption of the light absorbing material to the working electrode in the present invention can be used a known method of manufacturing a dye-sensitized solar cell using a conventional dye, as a specific example a Manufacturing a working electrode substrate on which a working electrode including a porous oxide semiconductor layer on which a light absorbing material is adsorbed is formed on a first transparent glass substrate; b) fabricating a counter electrode substrate having a catalytic counter electrode formed on a second transparent glass substrate; c) laminating the counter electrode substrate and the working electrode substrate; And d) injecting an electrolyte into the laminated counter electrode substrate and the working electrode substrate.
- the manufacturing of the working electrode substrate of step a) may include a-1) forming a first transparent electrode on the first transparent glass substrate; a-2) forming a porous oxide semiconductor layer on the first transparent electrode; a-3) adsorbing a light absorbing material to the porous oxide semiconductor layer. It may also further comprise a light scattering layer on the working electrode.
- CNT carbon nanotubes
- the carbon nanotube (CNT), graphene (graphene) or carbon black (carbon black) to adsorb on the working electrode may be a chemical bond or a physical bond, the physical bond is CVD (chemical vapor) Known methods such as deposition) or ALD (atomic layer deposition) can be applied.
- Carbon nanotube (CNT), graphene (graphene) or carbon black (carbon black) for the chemical bonding may be adsorbed by attaching an anchoring group to the end group.
- the carbon nanotubes (CNT), graphene (graphene) or carbon black (carbon black) of the present invention may further include an electron group or light absorber at the end, in this case The efficiency of the dye-sensitized solar cell can be further improved.
- the light absorbing material adsorbed on the porous oxide semiconductor is a) light absorbing dyes such as ruthenium-based dyes or organic dyes and b) carbon nanotubes (CNT) and graphene Or carbon black.
- the amount of a) light-absorbing dye and b) carbon nanotubes (CNT), graphene, or carbon black, which are adsorbed on the porous oxide semiconductor can be arbitrarily controlled.
- the light-absorbing material is a A) 30-70% by weight of a light absorbing dye and b) 30-70% by weight of carbon nanotubes (CNT), graphene or carbon black.
- light-absorbing dye can be applied to a variety of dyes that can be used as a light-absorbing material in the dye-sensitized solar cell, as well as ruthenium-based, organic dyes are all applied.
- the adsorption method and order of a) light-absorbing dye and b) carbon nanotubes (CNT), graphene, or carbon black (carbon black) adsorbed on the porous oxide semiconductor may be arbitrarily controlled.
- the light absorbing dye may be first adsorbed, and then carbon nanotubes may be adsorbed; Carbon nanotubes or the like may be adsorbed first and then the light absorbing dye may be adsorbed;
- carbon nanotubes having a large particle diameter may be adsorbed first, followed by adsorption of the light absorbing dye, and carbon nanotubes having a small particle diameter may be adsorbed.
- the chemical bonds or physical bonds can be selected appropriately, and preferably, the carbon nanotubes after adsorption of the light absorbing dye.
- the adsorption through chemical bonding is good for the efficiency and stability of the adsorption.
- Dye-sensitized solar cell according to the present invention is a dye-sensitized solar cell by replacing all or part of the expensive light-absorbing dye with low-cost carbon nanotubes (CNT), graphene (carbonene) or carbon black (carbon black) There is an advantage that can significantly lower the manufacturing cost of.
- CNT carbon nanotubes
- carbonene carbonene
- carbon black carbon black
- the photoelectrode was a solar cell using a 12 ⁇ m TiO 2 transparent layer.
- a TiO 2 paste (Solaronix, 13 nm paste) was screen printed to prepare an 8 ⁇ m thick TiO 2 transparent layer, and the dye was adsorbed onto the TiO 2 transparent layer by impregnating the dye solution in which 0.5% of ruthenium-based dye was dissolved in ethanol.
- SWCNT single wall CNT substituted with COOH at the end was prepared at a concentration of 0.01 mM using dimethylformamide as a solvent, and SWCNT was adsorbed onto a TiO 2 transparent layer adsorbed with ruthenium-based dyes.
- the sealed sandwich cell was assembled by heating a hot melt film (Surlyn 1702, 25 ⁇ m thick) as a spacer between the dye-swept TiO 2 electrode and SWCNT-adsorbed platinum-electrode.
- a hot melt film As electrolyte solution, 1-methyl-3-propylimidazolium iodide (MPII, 0.8 M), I 2 (0.04 M), guanidium thiocyanate dissolved in 3-methoxypropionitrile (MPN)
- a mixed solution of (GSCN, 0.05 M) and tert -butylpyridine (TBP, 0.5 M) was used.
- Example 2 instead of SWCNT (single wall CNT) in which the terminal was substituted with COOH, graphene having the terminal replaced with COOH was prepared at a concentration of 0.01 mM using dimethylformamide as a solvent, and TiO adsorbed with ruthenium-based dyes. 2 A dye-sensitized solar cell was manufactured in the same manner as in Example 1, except that graphene was adsorbed on the transparent layer.
- Example 1 carbon black having a terminal substituted with COOH instead of SWCNT (single wall CNT) substituted with COOH was prepared at a concentration of 0.01 mM using dimethylformamide as a solvent. 2 A dye-sensitized solar cell was prepared in the same manner as in Example 1 except that carbon black was adsorbed on the transparent layer.
- a dye-sensitized solar cell was manufactured in the same manner as in Example 1, except that SWCNT (single wall CNT) in which the terminal was replaced with COOH was not used.
- Example 1 using the carbon nanotubes as the light absorbing material showed a particularly high J sc value compared to the comparative example without using the carbon nanotubes as the light absorbing material, It was confirmed that the improvement.
- the efficiency of the dye-sensitized solar cells prepared in Examples 2 and 3 also showed 6.14% and 6.03%, respectively, resulting in an efficiency improvement of at least 5% over the dye-sensitized solar cells not using graphene or carbon black. I could confirm it.
- CNT carbon nanotubes
- graphene graphene
- carbon black carbon black
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Abstract
La présente invention concerne une photopile sensibilisée par un colorant et son procédé de fabrication, dans le cadre duquel l'intégralité ou une partie du coûteux colorant capable d'absorber la lumière est remplacée par des nanotubes de carbone, du graphène ou du noir de carbone, ce qui améliore à la fois l'efficacité et la productivité de la photopile sensibilisée par un colorant.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2011800515017A CN103189995A (zh) | 2010-10-26 | 2011-10-25 | 染料敏化太阳能电池及其制造方法 |
JP2013536507A JP2014500581A (ja) | 2010-10-26 | 2011-10-25 | 染料感応太陽電池およびその製造方法 |
US13/871,733 US20130233370A1 (en) | 2010-10-26 | 2013-04-26 | Dye-sensitized solar cell and method of preparing the same |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
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KR20100104881 | 2010-10-26 | ||
KR10-2010-0104881 | 2010-10-26 | ||
KR10-2011-0109091 | 2011-10-25 | ||
KR1020110109091A KR20120043648A (ko) | 2010-10-26 | 2011-10-25 | 염료감응 태양전지 및 그 제조방법 |
Related Child Applications (1)
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US13/871,733 Continuation US20130233370A1 (en) | 2010-10-26 | 2013-04-26 | Dye-sensitized solar cell and method of preparing the same |
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WO2012057503A2 true WO2012057503A2 (fr) | 2012-05-03 |
WO2012057503A3 WO2012057503A3 (fr) | 2012-07-26 |
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PCT/KR2011/007991 WO2012057503A2 (fr) | 2010-10-26 | 2011-10-25 | Photopile sensibilisée par un colorant et son procédé de fabrication |
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