GR1005522B - Nanostructured titania for energy and environmental applications - Google Patents
Nanostructured titania for energy and environmental applicationsInfo
- Publication number
- GR1005522B GR1005522B GR20050100619A GR20050100619A GR1005522B GR 1005522 B GR1005522 B GR 1005522B GR 20050100619 A GR20050100619 A GR 20050100619A GR 20050100619 A GR20050100619 A GR 20050100619A GR 1005522 B GR1005522 B GR 1005522B
- Authority
- GR
- Greece
- Prior art keywords
- titania
- films
- present
- sol
- nanostructured
- Prior art date
Links
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 title abstract 20
- 230000007613 environmental effect Effects 0.000 title abstract 2
- 238000006243 chemical reaction Methods 0.000 abstract 3
- 230000005611 electricity Effects 0.000 abstract 2
- 239000011159 matrix material Substances 0.000 abstract 2
- 238000000034 method Methods 0.000 abstract 2
- 239000000843 powder Substances 0.000 abstract 2
- 239000000725 suspension Substances 0.000 abstract 2
- 239000004408 titanium dioxide Substances 0.000 abstract 2
- FIPWRIJSWJWJAI-UHFFFAOYSA-N Butyl carbitol 6-propylpiperonyl ether Chemical compound C1=C(CCC)C(COCCOCCOCCCC)=CC2=C1OCO2 FIPWRIJSWJWJAI-UHFFFAOYSA-N 0.000 abstract 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 abstract 1
- 239000000987 azo dye Substances 0.000 abstract 1
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 229920002678 cellulose Polymers 0.000 abstract 1
- 239000001913 cellulose Substances 0.000 abstract 1
- 238000009833 condensation Methods 0.000 abstract 1
- 230000000593 degrading effect Effects 0.000 abstract 1
- 239000003344 environmental pollutant Substances 0.000 abstract 1
- 239000011521 glass Substances 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 239000002086 nanomaterial Substances 0.000 abstract 1
- 239000002105 nanoparticle Substances 0.000 abstract 1
- 239000002957 persistent organic pollutant Substances 0.000 abstract 1
- 239000000575 pesticide Substances 0.000 abstract 1
- 150000002989 phenols Chemical class 0.000 abstract 1
- 239000011941 photocatalyst Substances 0.000 abstract 1
- 238000013033 photocatalytic degradation reaction Methods 0.000 abstract 1
- 229960005235 piperonyl butoxide Drugs 0.000 abstract 1
- 231100000719 pollutant Toxicity 0.000 abstract 1
- 229920000642 polymer Polymers 0.000 abstract 1
- 238000002360 preparation method Methods 0.000 abstract 1
- OGHBATFHNDZKSO-UHFFFAOYSA-N propan-2-olate Chemical compound CC(C)[O-] OGHBATFHNDZKSO-UHFFFAOYSA-N 0.000 abstract 1
- 238000003980 solgel method Methods 0.000 abstract 1
- 239000000758 substrate Substances 0.000 abstract 1
- -1 titania alkoxides Chemical class 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
- C09C1/36—Compounds of titanium
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Power Engineering (AREA)
- Water Supply & Treatment (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Catalysts (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Abstract
The present invention concerns the preparation of multifunctional forms of nanocrystalline titania (suspension, powders), by applying a new synthetic sol-gel method in a polymeric matrix. The innovation of the proposed synthetic procedure is based on the use of a polymer, cellulose and its derivatives, that may act as an effiicient matrix for the controlled hydrolysis-condensation of the titania alkoxides (butoxide or isopropoxide) and the subsequent formation of nanostructured materials, suspensions and powders of titania (titanium dioxide TiO2), Figure 1. Furthermore, the present invention presents the development of fractal nanocrystalline titanium dioxide films, Figure 2, that are prepared by combining the effective control of the hydrodynamic radius, the effective adjustment of the sol-gel viscosity and the application of a laboratory modified doctor-blade industrial method. The titania films are deposited on suitable substrates (i.e slides, conductive glass etc). These films present the crystalline structure of anatase and consist of nanoparticles with diameter ranging from 15 to 30 nm. They appear transparent, crack-free, without surface imperfections, with complex morphology and an extended real to geometric surface ratio. Finally the present invention describes the multi-functionality of the prepared films and their application for environmental and energy conversion processes, such as direct conversion of the solar energy to electricity, the photocatalytic degradation of the organic pollutants and the development of superhydrophilic surfaces. Actually, the practical implementation of the nanostructured titania films in dyesensitized solar cell modules indicate that the power conversion efficiency of solar light into electricity is higher than with any other sol-gel film known today, all over the world. From the other hand, the nanostructured titania exhibits photoinduced superhydrophile properties and at the same time, it operates as an immobilized photocatalyst, degrading multiple water (azo-dyes, phenols, pesticides) and air (aromatic hydrocarbons) pollutants.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GR20050100619A GR1005522B (en) | 2005-12-19 | 2005-12-19 | Nanostructured titania for energy and environmental applications |
| JP2008546692A JP2009519889A (en) | 2005-12-19 | 2006-12-19 | Modified nanostructured titania material and manufacturing method |
| US12/158,027 US20090005238A1 (en) | 2005-12-19 | 2006-12-19 | Modified Nanostructured Titania Materials and Methods of Manufacture |
| EP06849505A EP1976801A2 (en) | 2005-12-19 | 2006-12-19 | Modified nanostructured titania materials and methods of manufacture |
| PCT/IB2006/004163 WO2007085911A2 (en) | 2005-12-19 | 2006-12-19 | Modified nanostructured titania materials and methods of manufacture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GR20050100619A GR1005522B (en) | 2005-12-19 | 2005-12-19 | Nanostructured titania for energy and environmental applications |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GR1005522B true GR1005522B (en) | 2007-05-25 |
Family
ID=38440104
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GR20050100619A GR1005522B (en) | 2005-12-19 | 2005-12-19 | Nanostructured titania for energy and environmental applications |
Country Status (1)
| Country | Link |
|---|---|
| GR (1) | GR1005522B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8349141B2 (en) | 2009-10-19 | 2013-01-08 | Industrial Technology Research Institute | Method for one step synthesizing and immobilizing crystalline TiO2 nano-particles simultaneously on polymer support and use of the same |
| CN116941612A (en) * | 2023-09-21 | 2023-10-27 | 江西联普人农业科技有限公司 | Pesticide residue degradation agent and preparation method thereof |
-
2005
- 2005-12-19 GR GR20050100619A patent/GR1005522B/en not_active IP Right Cessation
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8349141B2 (en) | 2009-10-19 | 2013-01-08 | Industrial Technology Research Institute | Method for one step synthesizing and immobilizing crystalline TiO2 nano-particles simultaneously on polymer support and use of the same |
| CN116941612A (en) * | 2023-09-21 | 2023-10-27 | 江西联普人农业科技有限公司 | Pesticide residue degradation agent and preparation method thereof |
| CN116941612B (en) * | 2023-09-21 | 2023-12-29 | 江西联普人农业科技有限公司 | Pesticide residue degradation agent and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Patrocinio et al. | Layer-by-layer TiO2/WO3 thin films as efficient photocatalytic self-cleaning surfaces | |
| Yu et al. | Biomimetic transparent and superhydrophobic coatings: from nature and beyond nature | |
| Li et al. | Synthesis of raspberry-like SiO2–TiO2 nanoparticles toward antireflective and self-cleaning coatings | |
| Yao et al. | Recent progress in antireflection and self-cleaning technology–From surface engineering to functional surfaces | |
| Nakata et al. | Antireflection and self-cleaning properties of a moth-eye-like surface coated with TiO2 particles | |
| Cannavale et al. | Multifunctional bioinspired sol-gel coatings for architectural glasses | |
| Zhang et al. | Photoelectrocatalytic activity of highly ordered TiO2 nanotube arrays electrode for azo dye degradation | |
| CN100333830C (en) | Process for preparing anatase type TiO2 sol | |
| CN102382490A (en) | Preparation method and use of hydrophilic automatically-cleaning coating with photocatalytic activity | |
| Moriguchi et al. | Preparation of a TiO2 nanoparticulate film using a two-dimensional sol− gel process | |
| CN103922802B (en) | Super hydrophilic Zinc oxide/titanium dioxide composite nanostructure automatic cleaning coating of transmission increasing and preparation method thereof | |
| Miljević et al. | Molybdenum doped TiO2 nanocomposite coatings: visible light driven photocatalytic self-cleaning of mineral substrates | |
| Ding et al. | Hydrophobic photocatalytic composite coatings based on nano-TiO2 hydrosol and aminopropyl terminated polydimethylsiloxane prepared by a facile approach | |
| Xi et al. | Ultrafine nano-TiO2 loaded on dendritic porous silica nanoparticles for robust transparent antifogging self-cleaning nanocoatings | |
| Somasundaram et al. | Application of nanoparticles for self-cleaning surfaces | |
| GR1005522B (en) | Nanostructured titania for energy and environmental applications | |
| JP4637470B2 (en) | Manufacturing method of laminate | |
| Sadeghi et al. | Application of the multi-step EPD technique to fabricate thick TiO2 layers: effect of organic medium viscosity on the layer microstructure | |
| Yang et al. | A durable superhydrophilic self-cleaning coating based on TiO2–SiO2-PAA nanocomposite for photovoltaic applications: Long-term outdoor study | |
| Wei et al. | Double-layer anti-reflection coating of SiO2–TiO2/SiO2–TiO2-PEG300 with high transmittance and super-hydrophilicity | |
| Ismail et al. | Self-cleaning coatings for minimizing the impact of dust precipitation on the power production of solar cells utilizing mesoporous TiO2/SiO2 and ZnO/SiO2 films | |
| Li et al. | Achieving reversible superhydrophobic-superhydrophilic switching of lignocellulosic paper surface with modified Nano-TiO2 coating | |
| Hassaballa et al. | Synthesis, structural, photocatalytic, wettability and optical properties of TiO2 films on polymethyl methacrylate substrates | |
| Carneiro et al. | Development of photocatalytic ceramic materials through the deposition of TiO2 nanoparticles layers | |
| GR1005523B (en) | Multifunctional aqueous pastes and thin films of nanostructured titania |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PG | Patent granted | ||
| ML | Lapse due to non-payment of fees |
Effective date: 20160707 |